/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Red Hat, Inc. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import { CompletionItem as CompletionItemBase, CompletionItemKind, CompletionList, InsertTextFormat, InsertTextMode, MarkupKind, Position, Range, TextEdit, } from 'vscode-languageserver-types';
import { isPair, isScalar, isMap, isSeq, isNode } from 'yaml';
import { parseCustomTag } from '../utils/customTags';
import { matchOffsetToDocument } from '../utils/arrUtils';
import { guessIndentation } from '../utils/indentationGuesser';
import { TextBuffer } from '../utils/textBuffer';
import { stringifyObject } from '../utils/json';
import { isDefined, isString } from '../utils/objects';
import { setKubernetesParserOption } from '../parser/isKubernetes';
import { asSchema } from '../parser/schemaValidation/baseValidator';
import { indexOf, isInComment, isMapContainsEmptyPair } from '../utils/yamlAstUtils';
import { isModeline } from './modelineUtil';
import { getSchemaTypeName, isAnyOfAllOfOneOfType, isPrimitiveType } from '../utils/schemaUtils';
import { toYamlStringScalar } from '../utils/yamlScalar';
import * as l10n from '@vscode/l10n';
const parentCompletionKind = CompletionItemKind.Class;
const existingProposeItem = '__';
export class YamlCompletion {
    constructor(schemaService, clientCapabilities = {}, yamlDocument, telemetry) {
        this.schemaService = schemaService;
        this.clientCapabilities = clientCapabilities;
        this.yamlDocument = yamlDocument;
        this.telemetry = telemetry;
        this.completionEnabled = true;
        this.arrayPrefixIndentation = '';
    }
    configure(languageSettings, yamlSettings) {
        if (languageSettings) {
            this.completionEnabled = languageSettings.completion;
        }
        this.customTags = languageSettings.customTags;
        this.yamlVersion = languageSettings.yamlVersion;
        this.isSingleQuote = yamlSettings?.yamlFormatterSettings?.singleQuote || false;
        this.configuredIndentation = languageSettings.indentation;
        this.disableDefaultProperties = languageSettings.disableDefaultProperties;
        this.parentSkeletonSelectedFirst = languageSettings.parentSkeletonSelectedFirst;
    }
    async doComplete(document, position, isKubernetes = false, doComplete = true) {
        const result = CompletionList.create([], false);
        if (!this.completionEnabled) {
            return result;
        }
        const doc = this.yamlDocument.getYamlDocument(document, { customTags: this.customTags, yamlVersion: this.yamlVersion }, true);
        const textBuffer = new TextBuffer(document);
        if (!this.configuredIndentation) {
            const indent = guessIndentation(textBuffer, 2, true);
            this.indentation = indent.insertSpaces ? ' '.repeat(indent.tabSize) : '\t';
        }
        else {
            this.indentation = this.configuredIndentation;
        }
        setKubernetesParserOption(doc.documents, isKubernetes);
        // set parser options
        for (const jsonDoc of doc.documents) {
            jsonDoc.uri = document.uri;
        }
        const offset = document.offsetAt(position);
        const text = document.getText();
        if (text.charAt(offset - 1) === ':') {
            return Promise.resolve(result);
        }
        let currentDoc = matchOffsetToDocument(offset, doc);
        if (currentDoc === null) {
            return Promise.resolve(result);
        }
        // as we modify AST for completion, we need to use copy of original document
        currentDoc = currentDoc.clone();
        let [node, foundByClosest] = currentDoc.getNodeFromPosition(offset, textBuffer, this.indentation.length);
        const currentWord = this.getCurrentWord(document, offset);
        let lineContent = textBuffer.getLineContent(position.line);
        const lineAfterPosition = lineContent.substring(position.character);
        const areOnlySpacesAfterPosition = /^[ ]+\n?$/.test(lineAfterPosition);
        this.arrayPrefixIndentation = '';
        let overwriteRange = null;
        if (areOnlySpacesAfterPosition) {
            overwriteRange = Range.create(position, Position.create(position.line, lineContent.length));
            const isOnlyWhitespace = lineContent.trim().length === 0;
            const isOnlyDash = lineContent.match(/^\s*(-)\s*$/);
            if (node && isScalar(node) && !isOnlyWhitespace && !isOnlyDash) {
                const lineToPosition = lineContent.substring(0, position.character);
                const matches = 
                // get indentation of unfinished property (between indent and cursor)
                lineToPosition.match(/^[\s-]*([^:]+)?$/) ||
                    // OR get unfinished value (between colon and cursor)
                    lineToPosition.match(/:[ \t]((?!:[ \t]).*)$/);
                if (matches?.[1]) {
                    overwriteRange = Range.create(Position.create(position.line, position.character - matches[1].length), Position.create(position.line, lineContent.length));
                }
            }
        }
        else if (node && isScalar(node) && node.value === 'null') {
            const nodeStartPos = document.positionAt(node.range[0]);
            nodeStartPos.character += 1;
            const nodeEndPos = document.positionAt(node.range[2]);
            nodeEndPos.character += 1;
            overwriteRange = Range.create(nodeStartPos, nodeEndPos);
        }
        else if (node && isScalar(node) && node.value) {
            const start = document.positionAt(node.range[0]);
            overwriteRange = Range.create(start, document.positionAt(node.range[1]));
        }
        else if (node && isScalar(node) && node.value === null && currentWord === '-') {
            overwriteRange = Range.create(position, position);
            this.arrayPrefixIndentation = ' ';
        }
        else {
            let overwriteStart = offset - currentWord.length;
            if (overwriteStart > 0 && text[overwriteStart - 1] === '"') {
                overwriteStart--;
            }
            overwriteRange = Range.create(document.positionAt(overwriteStart), position);
        }
        const proposed = {};
        const collector = {
            add: (completionItem, oneOfSchema) => {
                const addSuggestionForParent = function (completionItem) {
                    const existsInYaml = proposed[completionItem.label]?.label === existingProposeItem;
                    //don't put to parent suggestion if already in yaml
                    if (existsInYaml) {
                        return;
                    }
                    const schema = completionItem.parent.schema;
                    const schemaType = getSchemaTypeName(schema);
                    const schemaDescription = schema.markdownDescription || schema.description;
                    let parentCompletion = result.items.find((item) => item.parent?.schema === schema && item.kind === parentCompletionKind);
                    if (parentCompletion && parentCompletion.parent.insertTexts.includes(completionItem.insertText)) {
                        // already exists in the parent
                        return;
                    }
                    else if (!parentCompletion) {
                        // create a new parent
                        parentCompletion = {
                            ...completionItem,
                            label: schemaType,
                            documentation: schemaDescription,
                            sortText: '_' + schemaType, // this parent completion goes first,
                            kind: parentCompletionKind,
                        };
                        parentCompletion.label = parentCompletion.label || completionItem.label;
                        parentCompletion.parent.insertTexts = [completionItem.insertText];
                        result.items.push(parentCompletion);
                    }
                    else {
                        // add to the existing parent
                        parentCompletion.parent.insertTexts.push(completionItem.insertText);
                    }
                };
                const isForParentCompletion = !!completionItem.parent;
                let label = completionItem.label;
                if (!label) {
                    // we receive not valid CompletionItem as `label` is mandatory field, so just ignore it
                    console.warn(`Ignoring CompletionItem without label: ${JSON.stringify(completionItem)}`);
                    return;
                }
                if (!isString(label)) {
                    label = String(label);
                }
                label = label.replace(/\n|\\n/g, '↵');
                if (label.length > 60) {
                    const shortendedLabel = label.substr(0, 57).trim() + '...';
                    if (!proposed[shortendedLabel]) {
                        label = shortendedLabel;
                    }
                }
                if (completionItem.label.toLowerCase() === 'regular expression') {
                    const docObject = completionItem.documentation;
                    const splitValues = docObject.value.split(':');
                    label =
                        splitValues.length > 0 ? `${this.getQuote()}\\${JSON.parse(splitValues[1])}${this.getQuote()}` : completionItem.label;
                    completionItem.insertText = label;
                    completionItem.textEdit = TextEdit.replace(overwriteRange, label);
                }
                else {
                    const mdText = completionItem.insertText.replace(/\${[0-9]+[:|](.*)}/g, (s, arg) => arg).replace(/\$([0-9]+)/g, '');
                    // handle single special characters that need escaping: ', ", \
                    const singleCharMatch = mdText.match(/^([^:"]+):\s*(['\\"\\])$/);
                    if (singleCharMatch) {
                        const key = singleCharMatch[1];
                        const char = singleCharMatch[2];
                        completionItem.insertText = `${key}: ${this.getQuote()}\\${char}${this.getQuote()}`;
                    }
                    // trim $1 from end of completion
                    if (completionItem.insertText.endsWith('$1') && !isForParentCompletion) {
                        completionItem.insertText = completionItem.insertText.substr(0, completionItem.insertText.length - 2);
                    }
                    if (overwriteRange && overwriteRange.start.line === overwriteRange.end.line) {
                        completionItem.textEdit = TextEdit.replace(overwriteRange, completionItem.insertText);
                    }
                }
                completionItem.label = label;
                if (isForParentCompletion) {
                    addSuggestionForParent(completionItem);
                    return;
                }
                if (this.arrayPrefixIndentation) {
                    this.updateCompletionText(completionItem, this.arrayPrefixIndentation + completionItem.insertText);
                }
                const existing = proposed[label];
                const isInsertTextDifferent = existing?.label !== existingProposeItem && existing?.insertText !== completionItem.insertText;
                if (!existing) {
                    proposed[label] = completionItem;
                    result.items.push(completionItem);
                }
                else if (isInsertTextDifferent) {
                    // try to merge simple insert values
                    const mergedText = this.mergeSimpleInsertTexts(label, existing.insertText, completionItem.insertText, oneOfSchema);
                    if (mergedText) {
                        this.updateCompletionText(existing, mergedText);
                    }
                    else {
                        // add to result when it wasn't able to merge (even if the item is already there but with a different value)
                        proposed[label] = completionItem;
                        result.items.push(completionItem);
                    }
                }
                if (existing && !existing.documentation && completionItem.documentation) {
                    existing.documentation = completionItem.documentation;
                }
                if (existing && !existing.detail && completionItem.detail) {
                    existing.detail = completionItem.detail;
                }
            },
            error: (message) => {
                this.telemetry?.sendError('yaml.completion.error', message);
            },
            log: (message) => {
                console.log(message);
            },
            getNumberOfProposals: () => {
                return result.items.length;
            },
            result,
            proposed,
        };
        if (this.customTags && this.customTags.length > 0) {
            this.getCustomTagValueCompletions(collector);
        }
        if (lineContent.endsWith('\n')) {
            lineContent = lineContent.substr(0, lineContent.length - 1);
        }
        try {
            const schema = await this.schemaService.getSchemaForResource(document.uri, currentDoc);
            if (!schema || schema.errors.length) {
                if (position.line === 0 && position.character === 0 && !isModeline(lineContent)) {
                    const inlineSchemaCompletion = {
                        kind: CompletionItemKind.Text,
                        label: l10n.t('Inline schema'),
                        insertText: '# yaml-language-server: $schema=',
                        insertTextFormat: InsertTextFormat.PlainText,
                    };
                    result.items.push(inlineSchemaCompletion);
                }
            }
            if (isModeline(lineContent) || isInComment(doc.tokens, offset)) {
                const schemaMatch = lineContent.match(/\$schema[=:]/);
                if (schemaMatch) {
                    const schemaIndex = schemaMatch.index;
                    if (schemaIndex + schemaMatch[0].length <= position.character) {
                        this.schemaService.getAllSchemas().forEach((schema) => {
                            const schemaIdCompletion = {
                                kind: CompletionItemKind.Constant,
                                label: schema.name ?? schema.uri,
                                detail: schema.description,
                                insertText: schema.uri,
                                insertTextFormat: InsertTextFormat.PlainText,
                                insertTextMode: InsertTextMode.asIs,
                            };
                            result.items.push(schemaIdCompletion);
                        });
                    }
                    return result;
                }
            }
            if (!schema || schema.errors.length) {
                return result;
            }
            let currentProperty = null;
            if (!node) {
                if (!currentDoc.internalDocument.contents || isScalar(currentDoc.internalDocument.contents)) {
                    const map = currentDoc.internalDocument.createNode({});
                    map.range = [offset, offset + 1, offset + 1];
                    currentDoc.internalDocument.contents = map;
                    currentDoc.updateFromInternalDocument();
                    node = map;
                }
                else {
                    node = currentDoc.findClosestNode(offset, textBuffer);
                    foundByClosest = true;
                }
            }
            const originalNode = node;
            if (node) {
                if (lineContent.length === 0) {
                    node = currentDoc.internalDocument.contents;
                }
                else {
                    const parent = currentDoc.getParent(node);
                    if (parent) {
                        if (isScalar(node)) {
                            if (node.value) {
                                if (isPair(parent)) {
                                    if (parent.value === node) {
                                        if (lineContent.trim().length > 0 && lineContent.indexOf(':') < 0) {
                                            const map = this.createTempObjNode(currentWord, node, currentDoc);
                                            const parentParent = currentDoc.getParent(parent);
                                            if (isSeq(currentDoc.internalDocument.contents)) {
                                                const index = indexOf(currentDoc.internalDocument.contents, parent);
                                                if (typeof index === 'number') {
                                                    currentDoc.internalDocument.set(index, map);
                                                    currentDoc.updateFromInternalDocument();
                                                }
                                            }
                                            else if (parentParent && (isMap(parentParent) || isSeq(parentParent))) {
                                                parentParent.set(parent.key, map);
                                                currentDoc.updateFromInternalDocument();
                                            }
                                            else {
                                                currentDoc.internalDocument.set(parent.key, map);
                                                currentDoc.updateFromInternalDocument();
                                            }
                                            currentProperty = map.items[0];
                                            node = map;
                                        }
                                        else if (lineContent.trim().length === 0) {
                                            const parentParent = currentDoc.getParent(parent);
                                            if (parentParent) {
                                                node = parentParent;
                                            }
                                        }
                                    }
                                    else if (parent.key === node) {
                                        const parentParent = currentDoc.getParent(parent);
                                        currentProperty = parent;
                                        if (parentParent) {
                                            node = parentParent;
                                        }
                                    }
                                }
                                else if (isSeq(parent)) {
                                    if (lineContent.trim().length > 0) {
                                        const map = this.createTempObjNode(currentWord, node, currentDoc);
                                        parent.delete(node);
                                        parent.add(map);
                                        currentDoc.updateFromInternalDocument();
                                        node = map;
                                    }
                                    else {
                                        node = parent;
                                    }
                                }
                            }
                            else if (node.value === null) {
                                if (isPair(parent)) {
                                    if (parent.key === node) {
                                        node = parent;
                                    }
                                    else {
                                        if (isNode(parent.key) && parent.key.range) {
                                            const parentParent = currentDoc.getParent(parent);
                                            if (foundByClosest && parentParent && isMap(parentParent) && isMapContainsEmptyPair(parentParent)) {
                                                node = parentParent;
                                            }
                                            else {
                                                const parentPosition = document.positionAt(parent.key.range[0]);
                                                //if cursor has bigger indentation that parent key, then we need to complete new empty object
                                                if (position.character > parentPosition.character && position.line !== parentPosition.line) {
                                                    const map = this.createTempObjNode(currentWord, node, currentDoc);
                                                    if (parentParent && (isMap(parentParent) || isSeq(parentParent))) {
                                                        parentParent.set(parent.key, map);
                                                        currentDoc.updateFromInternalDocument();
                                                    }
                                                    else {
                                                        currentDoc.internalDocument.set(parent.key, map);
                                                        currentDoc.updateFromInternalDocument();
                                                    }
                                                    currentProperty = map.items[0];
                                                    node = map;
                                                }
                                                else if (parentPosition.character === position.character) {
                                                    if (parentParent) {
                                                        node = parentParent;
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                                else if (isSeq(parent)) {
                                    if (lineContent.charAt(position.character - 1) !== '-') {
                                        const map = this.createTempObjNode(currentWord, node, currentDoc);
                                        parent.delete(node);
                                        parent.add(map);
                                        currentDoc.updateFromInternalDocument();
                                        node = map;
                                    }
                                    else if (lineContent.charAt(position.character - 1) === '-') {
                                        const map = this.createTempObjNode('', node, currentDoc);
                                        parent.delete(node);
                                        parent.add(map);
                                        currentDoc.updateFromInternalDocument();
                                        node = map;
                                    }
                                    else {
                                        node = parent;
                                    }
                                }
                            }
                        }
                        else if (isMap(node)) {
                            if (!foundByClosest && lineContent.trim().length === 0 && isSeq(parent)) {
                                const nextLine = textBuffer.getLineContent(position.line + 1);
                                if (textBuffer.getLineCount() === position.line + 1 || nextLine.trim().length === 0) {
                                    node = parent;
                                }
                            }
                        }
                    }
                    else if (isScalar(node)) {
                        const map = this.createTempObjNode(currentWord, node, currentDoc);
                        currentDoc.internalDocument.contents = map;
                        currentDoc.updateFromInternalDocument();
                        currentProperty = map.items[0];
                        node = map;
                    }
                    else if (isMap(node)) {
                        for (const pair of node.items) {
                            if (isNode(pair.value) && pair.value.range && pair.value.range[0] === offset + 1) {
                                node = pair.value;
                            }
                        }
                    }
                    else if (isSeq(node)) {
                        if (lineContent.charAt(position.character - 1) !== '-') {
                            const map = this.createTempObjNode(currentWord, node, currentDoc);
                            map.items = [];
                            currentDoc.updateFromInternalDocument();
                            for (const pair of node.items) {
                                if (isMap(pair)) {
                                    pair.items.forEach((value) => {
                                        map.items.push(value);
                                    });
                                }
                            }
                            node = map;
                        }
                    }
                }
            }
            const ignoreScalars = textBuffer.getLineContent(overwriteRange.start.line).trim().length === 0 &&
                originalNode &&
                ((isScalar(originalNode) && originalNode.value === null) || isSeq(originalNode));
            // completion for object keys
            if (node && isMap(node)) {
                // don't suggest properties that are already present
                const properties = node.items;
                for (const p of properties) {
                    if (!currentProperty || currentProperty !== p) {
                        if (isScalar(p.key)) {
                            proposed[p.key.value + ''] = CompletionItemBase.create(existingProposeItem);
                        }
                    }
                }
                this.addPropertyCompletions(schema, currentDoc, node, originalNode, '', collector, textBuffer, overwriteRange, doComplete, ignoreScalars);
                if (!schema && currentWord.length > 0 && text.charAt(offset - currentWord.length - 1) !== '"') {
                    collector.add({
                        kind: CompletionItemKind.Property,
                        label: currentWord,
                        insertText: this.getInsertTextForProperty(currentWord, null, ''),
                        insertTextFormat: InsertTextFormat.Snippet,
                    });
                }
            }
            // proposals for values
            const types = {};
            this.getValueCompletions(schema, currentDoc, node, offset, document, collector, types, doComplete, ignoreScalars);
        }
        catch (err) {
            this.telemetry?.sendError('yaml.completion.error', err);
        }
        this.finalizeParentCompletion(result);
        const uniqueItems = result.items.filter((arr, index, self) => index ===
            self.findIndex((item) => item.label === arr.label && item.insertText === arr.insertText && item.kind === arr.kind));
        if (uniqueItems?.length > 0) {
            result.items = uniqueItems;
        }
        return result;
    }
    updateCompletionText(completionItem, text) {
        completionItem.insertText = text;
        if (completionItem.textEdit) {
            completionItem.textEdit.newText = text;
        }
    }
    mergeSimpleInsertTexts(label, existingText, addingText, oneOfSchema) {
        const containsNewLineAfterColon = (value) => {
            return value.includes('\n');
        };
        const startWithNewLine = (value) => {
            return value.startsWith('\n');
        };
        const isNullObject = (value) => {
            const index = value.indexOf('\n');
            return index > 0 && value.substring(index, value.length).trim().length === 0;
        };
        if (containsNewLineAfterColon(existingText) || containsNewLineAfterColon(addingText)) {
            //if the exisiting object null one then replace with the non-null object
            if (oneOfSchema && isNullObject(existingText) && !isNullObject(addingText) && !startWithNewLine(addingText)) {
                return addingText;
            }
            return undefined;
        }
        const existingValues = this.getValuesFromInsertText(existingText);
        const addingValues = this.getValuesFromInsertText(addingText);
        const newValues = Array.prototype.concat(existingValues, addingValues);
        if (!newValues.length) {
            return undefined;
        }
        else if (newValues.length === 1) {
            return `${label}: \${1:${newValues[0]}}`;
        }
        else {
            return `${label}: \${1|${newValues.join(',')}|}`;
        }
    }
    getValuesFromInsertText(insertText) {
        const value = insertText.substring(insertText.indexOf(':') + 1).trim();
        if (!value) {
            return [];
        }
        const valueMath = value.match(/^\${1[|:]([^|]*)+\|?}$/); // ${1|one,two,three|}  or  ${1:one}
        if (valueMath) {
            return valueMath[1].split(',');
        }
        return [value];
    }
    finalizeParentCompletion(result) {
        const reindexText = (insertTexts) => {
            //modify added props to have unique $x
            let max$index = 0;
            return insertTexts.map((text) => {
                const match = text.match(/\$([0-9]+)|\${[0-9]+:/g);
                if (!match) {
                    return text;
                }
                const max$indexLocal = match
                    .map((m) => +m.replace(/\${([0-9]+)[:|]/g, '$1').replace('$', '')) // get numbers form $1 or ${1:...}
                    .reduce((p, n) => (n > p ? n : p), 0); // find the max one
                const reindexedStr = text
                    .replace(/\$([0-9]+)/g, (s, args) => '$' + (+args + max$index)) // increment each by max$index
                    .replace(/\${([0-9]+)[:|]/g, (s, args) => '${' + (+args + max$index) + ':'); // increment each by max$index
                max$index += max$indexLocal;
                return reindexedStr;
            });
        };
        result.items.forEach((completionItem) => {
            if (this.isParentCompletionItem(completionItem)) {
                const indent = completionItem.parent.indent || '';
                const reindexedTexts = reindexText(completionItem.parent.insertTexts);
                // add indent to each object property and join completion item texts
                let insertText = reindexedTexts.join(`\n${indent}`);
                // trim $1 from end of completion
                if (insertText.endsWith('$1')) {
                    insertText = insertText.substring(0, insertText.length - 2);
                }
                completionItem.insertText = this.arrayPrefixIndentation + insertText;
                if (completionItem.textEdit) {
                    completionItem.textEdit.newText = completionItem.insertText;
                }
                // remove $x or use {$x:value} in documentation
                const mdText = insertText.replace(/\${[0-9]+[:|](.*)}/g, (s, arg) => arg).replace(/\$([0-9]+)/g, '');
                const originalDocumentation = completionItem.documentation ? [completionItem.documentation, '', '----', ''] : [];
                completionItem.documentation = {
                    kind: MarkupKind.Markdown,
                    value: [...originalDocumentation, '```yaml', indent + mdText, '```'].join('\n'),
                };
                delete completionItem.parent;
            }
        });
    }
    createTempObjNode(currentWord, node, currentDoc) {
        const obj = {};
        obj[currentWord] = null;
        const map = currentDoc.internalDocument.createNode(obj);
        map.range = node.range;
        map.items[0].key.range = node.range;
        map.items[0].value.range = node.range;
        return map;
    }
    addPropertyCompletions(schema, doc, node, originalNode, separatorAfter, collector, textBuffer, overwriteRange, doComplete, ignoreScalars) {
        const matchingSchemas = doc.getMatchingSchemas(schema.schema, -1, null, doComplete);
        const existingKey = textBuffer.getText(overwriteRange);
        const lineContent = textBuffer.getLineContent(overwriteRange.start.line);
        const hasOnlyWhitespace = lineContent.trim().length === 0;
        const hasColon = lineContent.indexOf(':') !== -1;
        const isInArray = lineContent.trimStart().indexOf('-') === 0;
        const nodeParent = doc.getParent(node);
        const matchOriginal = matchingSchemas.find((it) => it.node.internalNode === originalNode && it.schema.properties);
        const oneOfSchema = matchingSchemas.filter((schema) => schema.schema.oneOf).map((oneOfSchema) => oneOfSchema.schema.oneOf)[0];
        let didOneOfSchemaMatches = false;
        if (oneOfSchema?.length < matchingSchemas.length) {
            oneOfSchema?.forEach((property, index) => {
                if (!matchingSchemas[index]?.schema.oneOf && matchingSchemas[index]?.schema.properties === property.properties) {
                    didOneOfSchemaMatches = true;
                }
            });
        }
        for (const schema of matchingSchemas) {
            if (((schema.node.internalNode === node && !matchOriginal) ||
                (schema.node.internalNode === originalNode && !hasColon) ||
                (schema.node.parent?.internalNode === originalNode && !hasColon)) &&
                !schema.inverted) {
                this.collectDefaultSnippets(schema.schema, separatorAfter, collector, {
                    newLineFirst: false,
                    indentFirstObject: false,
                    shouldIndentWithTab: isInArray,
                });
                const schemaProperties = schema.schema.properties;
                if (schemaProperties) {
                    const maxProperties = schema.schema.maxProperties;
                    if (maxProperties === undefined ||
                        node.items === undefined ||
                        node.items.length < maxProperties ||
                        (node.items.length === maxProperties && !hasOnlyWhitespace)) {
                        for (const key in schemaProperties) {
                            if (Object.prototype.hasOwnProperty.call(schemaProperties, key)) {
                                const propertySchema = schemaProperties[key];
                                if (typeof propertySchema === 'object' && !propertySchema.deprecationMessage && !propertySchema['doNotSuggest']) {
                                    let identCompensation = '';
                                    if (nodeParent && isSeq(nodeParent) && node.items.length <= 1 && !hasOnlyWhitespace) {
                                        // because there is a slash '-' to prevent the properties generated to have the correct
                                        // indent
                                        const sourceText = textBuffer.getText();
                                        const indexOfSlash = sourceText.lastIndexOf('-', node.range[0] - 1);
                                        if (indexOfSlash >= 0) {
                                            // add one space to compensate the '-'
                                            const overwriteChars = overwriteRange.end.character - overwriteRange.start.character;
                                            identCompensation = ' ' + sourceText.slice(indexOfSlash + 1, node.range[1] - overwriteChars);
                                        }
                                    }
                                    identCompensation += this.arrayPrefixIndentation;
                                    // if check that current node has last pair with "null" value and key witch match key from schema,
                                    // and if schema has array definition it add completion item for array item creation
                                    let pair;
                                    if (propertySchema.type === 'array' &&
                                        (pair = node.items.find((it) => isScalar(it.key) &&
                                            it.key.range &&
                                            it.key.value === key &&
                                            isScalar(it.value) &&
                                            !it.value.value &&
                                            textBuffer.getPosition(it.key.range[2]).line === overwriteRange.end.line - 1)) &&
                                        pair) {
                                        if (Array.isArray(propertySchema.items)) {
                                            this.addSchemaValueCompletions(propertySchema.items[0], separatorAfter, collector, {}, ignoreScalars, true);
                                        }
                                        else if (typeof propertySchema.items === 'object' && propertySchema.items.type === 'object') {
                                            this.addArrayItemValueCompletion(propertySchema.items, separatorAfter, collector);
                                        }
                                    }
                                    let insertText = key;
                                    const isRequiredProp = Array.isArray(schema.schema.required) ? schema.schema.required.includes(key) : false;
                                    if (!key.startsWith(existingKey) || !hasColon) {
                                        insertText = this.getInsertTextForProperty(key, propertySchema, separatorAfter, identCompensation + this.indentation, isRequiredProp);
                                    }
                                    const isNodeNull = (isScalar(originalNode) && originalNode.value === null) ||
                                        (isMap(originalNode) && originalNode.items.length === 0);
                                    const existsParentCompletion = schema.schema.required?.length > 0;
                                    if (!this.parentSkeletonSelectedFirst || !isNodeNull || !existsParentCompletion) {
                                        collector.add({
                                            kind: CompletionItemKind.Property,
                                            label: key,
                                            insertText,
                                            insertTextFormat: InsertTextFormat.Snippet,
                                            documentation: this.fromMarkup(propertySchema.markdownDescription) || propertySchema.description || '',
                                        }, didOneOfSchemaMatches);
                                    }
                                    // if the prop is required add it also to parent suggestion
                                    if (schema.schema.required?.includes(key)) {
                                        collector.add({
                                            label: key,
                                            insertText: this.getInsertTextForProperty(key, propertySchema, separatorAfter, identCompensation + this.indentation, true),
                                            insertTextFormat: InsertTextFormat.Snippet,
                                            documentation: this.fromMarkup(propertySchema.markdownDescription) || propertySchema.description || '',
                                            parent: {
                                                schema: schema.schema,
                                                indent: identCompensation,
                                            },
                                        });
                                    }
                                }
                            }
                        }
                    }
                }
                // Error fix
                // If this is a array of string/boolean/number
                //  test:
                //    - item1
                // it will treated as a property key since `:` has been appended
                if (nodeParent && isSeq(nodeParent) && isPrimitiveType(schema.schema)) {
                    this.addSchemaValueCompletions(schema.schema, separatorAfter, collector, {}, ignoreScalars);
                }
                if (schema.schema.type === 'object' && schema.schema.propertyNames && schema.schema.additionalProperties !== false) {
                    const propertyNameSchema = asSchema(schema.schema.propertyNames);
                    if (!propertyNameSchema.deprecationMessage && !propertyNameSchema.doNotSuggest) {
                        const doc = this.fromMarkup((propertyNameSchema.markdownDescription || propertyNameSchema.description || '') +
                            (propertyNameSchema.pattern ? `\n\n**Pattern:** \`${propertyNameSchema.pattern}\`` : ''));
                        const { candidates, impossible } = this.getPropertyNamesCandidates(propertyNameSchema);
                        if (impossible) {
                            // suggest nothing
                        }
                        else if (candidates.length) {
                            for (const key of candidates) {
                                collector.add({
                                    kind: CompletionItemKind.Property,
                                    label: key,
                                    insertText: `${key}: `,
                                    insertTextFormat: InsertTextFormat.PlainText,
                                    documentation: doc,
                                });
                            }
                        }
                        else {
                            const label = propertyNameSchema.title || 'property';
                            collector.add({
                                kind: CompletionItemKind.Property,
                                label,
                                insertText: '$' + `{1:${label}}: `,
                                insertTextFormat: InsertTextFormat.Snippet,
                                documentation: doc,
                            });
                        }
                    }
                }
            }
            if (nodeParent && schema.node.internalNode === nodeParent && schema.schema.defaultSnippets) {
                // For some reason the first item in the array needs to be treated differently, otherwise
                // the indentation will not be correct
                if (node.items.length === 1) {
                    this.collectDefaultSnippets(schema.schema, separatorAfter, collector, {
                        newLineFirst: false,
                        indentFirstObject: false,
                        shouldIndentWithTab: true,
                    }, 1);
                }
                else {
                    this.collectDefaultSnippets(schema.schema, separatorAfter, collector, {
                        newLineFirst: false,
                        indentFirstObject: true,
                        shouldIndentWithTab: false,
                    }, 1);
                }
            }
        }
    }
    getValueCompletions(schema, doc, node, offset, document, collector, types, doComplete, ignoreScalars) {
        let parentKey = null;
        if (node && isScalar(node)) {
            node = doc.getParent(node);
        }
        if (!node) {
            this.addSchemaValueCompletions(schema.schema, '', collector, types, false);
            return;
        }
        if (isPair(node)) {
            const valueNode = node.value;
            if (valueNode && valueNode.range && offset > valueNode.range[0] + valueNode.range[2]) {
                return; // we are past the value node
            }
            parentKey = isScalar(node.key) ? node.key.value + '' : null;
            node = doc.getParent(node);
        }
        if (node && (parentKey !== null || isSeq(node))) {
            const separatorAfter = '';
            const matchingSchemas = doc.getMatchingSchemas(schema.schema, -1, null, doComplete);
            for (const s of matchingSchemas) {
                if (s.node.internalNode === node && !s.inverted && s.schema) {
                    if (s.schema.items) {
                        this.collectDefaultSnippets(s.schema, separatorAfter, collector, {
                            newLineFirst: false,
                            indentFirstObject: false,
                            shouldIndentWithTab: false,
                        });
                        if (isSeq(node) && node.items) {
                            if (Array.isArray(s.schema.items)) {
                                const index = this.findItemAtOffset(node, document, offset);
                                if (index < s.schema.items.length) {
                                    this.addSchemaValueCompletions(s.schema.items[index], separatorAfter, collector, types, false);
                                }
                            }
                            else {
                                this.addSchemaValueCompletions(s.schema.items, separatorAfter, collector, types, ignoreScalars, typeof s.schema.items === 'object' &&
                                    (s.schema.items.type === 'object' || isAnyOfAllOfOneOfType(s.schema.items)));
                            }
                        }
                    }
                    if (s.schema.properties) {
                        const propertySchema = s.schema.properties[parentKey];
                        if (propertySchema) {
                            this.addSchemaValueCompletions(propertySchema, separatorAfter, collector, types, ignoreScalars);
                        }
                    }
                    if (s.schema.additionalProperties) {
                        this.addSchemaValueCompletions(s.schema.additionalProperties, separatorAfter, collector, types, ignoreScalars);
                    }
                }
            }
            if (types['boolean']) {
                this.addBooleanValueCompletion(true, separatorAfter, collector);
                this.addBooleanValueCompletion(false, separatorAfter, collector);
            }
            if (types['null']) {
                this.addNullValueCompletion(separatorAfter, collector);
            }
        }
    }
    addArrayItemValueCompletion(schema, separatorAfter, collector, index) {
        const schemaType = getSchemaTypeName(schema);
        const insertText = `- ${this.getInsertTextForObject(schema, separatorAfter).insertText.trimStart()}`;
        //append insertText to documentation
        const schemaTypeTitle = schemaType ? ' type `' + schemaType + '`' : '';
        const schemaDescription = schema.description ? ' (' + schema.description + ')' : '';
        const documentation = this.getDocumentationWithMarkdownText(l10n.t('Create an item of an array{0}{1}', schemaTypeTitle, schemaDescription), insertText);
        collector.add({
            kind: this.getSuggestionKind(schema.type),
            label: l10n.t('- (array item) ') + (schemaType || index),
            documentation: documentation,
            insertText: insertText,
            insertTextFormat: InsertTextFormat.Snippet,
        });
    }
    getInsertTextForProperty(key, propertySchema, separatorAfter, indent = this.indentation, isRequired = false) {
        const propertyText = this.getInsertTextForValue(key, '', 'string');
        const resultText = propertyText + ':';
        const hasRequiredDefault = propertySchema && isRequired && isDefined(propertySchema.default);
        let value;
        let nValueProposals = 0;
        if (propertySchema) {
            let type = Array.isArray(propertySchema.type) ? propertySchema.type[0] : propertySchema.type;
            if (!type) {
                if (propertySchema.properties) {
                    type = 'object';
                }
                else if (propertySchema.items) {
                    type = 'array';
                }
                else if (propertySchema.anyOf) {
                    type = 'anyOf';
                }
            }
            if (Array.isArray(propertySchema.defaultSnippets)) {
                if (propertySchema.defaultSnippets.length === 1) {
                    const body = propertySchema.defaultSnippets[0].body;
                    if (isDefined(body)) {
                        value = this.getInsertTextForSnippetValue(body, '', {
                            newLineFirst: true,
                            indentFirstObject: false,
                            shouldIndentWithTab: false,
                        }, [], 1);
                        // add space before default snippet value
                        if (!value.startsWith(' ') && !value.startsWith('\n')) {
                            value = ' ' + value;
                        }
                    }
                }
                nValueProposals += propertySchema.defaultSnippets.length;
            }
            if (propertySchema.enum) {
                if (!value && propertySchema.enum.length === 1) {
                    value = ' ' + this.getInsertTextForGuessedValue(propertySchema.enum[0], '', type);
                }
                nValueProposals += propertySchema.enum.length;
            }
            if (isDefined(propertySchema.const)) {
                if (!value) {
                    value = this.getInsertTextForGuessedValue(propertySchema.const, '', type);
                    value = this.evaluateTab1Symbol(value); // prevent const being selected after snippet insert
                    value = ' ' + value;
                }
                nValueProposals++;
            }
            if (isDefined(propertySchema.default)) {
                if (!value || hasRequiredDefault) {
                    let defText = this.getInsertTextForGuessedValue(propertySchema.default, '', type);
                    if (hasRequiredDefault) {
                        defText = this.evaluateTab1Symbol(defText);
                    }
                    value = ' ' + defText;
                }
                nValueProposals++;
            }
            if (Array.isArray(propertySchema.examples) && propertySchema.examples.length) {
                if (!value) {
                    value = ' ' + this.getInsertTextForGuessedValue(propertySchema.examples[0], '', type);
                }
                nValueProposals += propertySchema.examples.length;
            }
            if (propertySchema.properties) {
                return `${resultText}\n${this.getInsertTextForObject(propertySchema, separatorAfter, indent).insertText}`;
            }
            else if (propertySchema.items) {
                if (type === 'array' && Array.isArray(propertySchema.default)) {
                    if (propertySchema.default.length === 0) {
                        return `${resultText} []${separatorAfter}`;
                    }
                    return (resultText + this.getInsertTemplateForValue(propertySchema.default, indent, { index: 1 }, separatorAfter).trimEnd());
                }
                return `${resultText}\n${indent}- ${this.getInsertTextForArray(propertySchema.items, separatorAfter, 1, indent).insertText}`;
            }
            if (nValueProposals === 0) {
                switch (type) {
                    case 'boolean':
                    case 'string':
                    case 'anyOf':
                        value = ' $1';
                        break;
                    case 'object':
                        value = `\n${indent}`;
                        break;
                    case 'array':
                        value = `\n${indent}- `;
                        break;
                    case 'number':
                    case 'integer':
                        value = ' ${1:0}';
                        break;
                    case 'null':
                        value = ' ${1:null}';
                        break;
                    default:
                        return propertyText;
                }
            }
        }
        if (!value || (nValueProposals > 1 && !hasRequiredDefault)) {
            value = ' $1';
        }
        return resultText + value + separatorAfter;
    }
    getInsertTextForObject(schema, separatorAfter, indent = this.indentation, insertIndex = 1) {
        let insertText = '';
        if (!schema.properties) {
            insertText = `${indent}$${insertIndex++}\n`;
            return { insertText, insertIndex };
        }
        Object.keys(schema.properties).forEach((key) => {
            const propertySchema = schema.properties[key];
            let type = Array.isArray(propertySchema.type) ? propertySchema.type[0] : propertySchema.type;
            if (!type) {
                if (propertySchema.anyOf) {
                    type = 'anyOf';
                }
                if (propertySchema.properties) {
                    type = 'object';
                }
                if (propertySchema.items) {
                    type = 'array';
                }
            }
            if (schema.required && schema.required.indexOf(key) > -1) {
                switch (type) {
                    case 'boolean':
                    case 'string':
                    case 'number':
                    case 'integer':
                    case 'anyOf': {
                        let value = propertySchema.default !== undefined ? propertySchema.default : propertySchema.const;
                        if (value !== undefined) {
                            if (type === 'string') {
                                value = toYamlStringScalar(value);
                            }
                            insertText += `${indent}${key}: \${${insertIndex++}:${value}}\n`;
                        }
                        else {
                            insertText += `${indent}${key}: $${insertIndex++}\n`;
                        }
                        break;
                    }
                    case 'array':
                        {
                            const arrayInsertResult = this.getInsertTextForArray(propertySchema.items, separatorAfter, insertIndex++, indent);
                            const arrayInsertLines = arrayInsertResult.insertText.split('\n');
                            let arrayTemplate = arrayInsertResult.insertText;
                            if (arrayInsertLines.length > 1) {
                                for (let index = 1; index < arrayInsertLines.length; index++) {
                                    const element = arrayInsertLines[index];
                                    arrayInsertLines[index] = `  ${element}`;
                                }
                                arrayTemplate = arrayInsertLines.join('\n');
                            }
                            insertIndex = arrayInsertResult.insertIndex;
                            insertText += `${indent}${key}:\n${indent}${this.indentation}- ${arrayTemplate}\n`;
                        }
                        break;
                    case 'object':
                        {
                            const objectInsertResult = this.getInsertTextForObject(propertySchema, separatorAfter, `${indent}${this.indentation}`, insertIndex++);
                            insertIndex = objectInsertResult.insertIndex;
                            insertText += `${indent}${key}:\n${objectInsertResult.insertText}\n`;
                        }
                        break;
                }
            }
            else if (!this.disableDefaultProperties && propertySchema.default !== undefined) {
                switch (type) {
                    case 'boolean':
                    case 'number':
                    case 'integer':
                        insertText += `${indent}${
                        //added quote if key is null
                        key === 'null' ? this.getInsertTextForValue(key, '', 'string') : key}: \${${insertIndex++}:${propertySchema.default}}\n`;
                        break;
                    case 'string':
                        insertText += `${indent}${key}: \${${insertIndex++}:${toYamlStringScalar(propertySchema.default)}}\n`;
                        break;
                    case 'array':
                    case 'object':
                        // TODO: support default value for array object
                        break;
                }
            }
        });
        if (insertText.trim().length === 0) {
            insertText = `${indent}$${insertIndex++}\n`;
        }
        insertText = insertText.trimEnd() + separatorAfter;
        return { insertText, insertIndex };
    }
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    getInsertTextForArray(schema, separatorAfter, insertIndex = 1, indent = this.indentation) {
        let insertText = '';
        if (!schema) {
            insertText = `$${insertIndex++}`;
            return { insertText, insertIndex };
        }
        let type = Array.isArray(schema.type) ? schema.type[0] : schema.type;
        if (!type) {
            if (schema.properties) {
                type = 'object';
            }
            if (schema.items) {
                type = 'array';
            }
        }
        if (isDefined(schema.default)) {
            insertText = this.getInsertTextForGuessedValue(schema.default, separatorAfter, type);
        }
        else {
            switch (schema.type) {
                case 'boolean':
                    insertText = `\${${insertIndex++}:false}`;
                    break;
                case 'number':
                case 'integer':
                    insertText = `\${${insertIndex++}:0}`;
                    break;
                case 'string':
                    insertText = `\${${insertIndex++}}`;
                    break;
                case 'object':
                    {
                        const objectInsertResult = this.getInsertTextForObject(schema, separatorAfter, `${indent}  `, insertIndex++);
                        insertText = objectInsertResult.insertText.trimStart();
                        insertIndex = objectInsertResult.insertIndex;
                    }
                    break;
            }
        }
        return { insertText, insertIndex };
    }
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    getInsertTextForGuessedValue(value, separatorAfter, type) {
        switch (typeof value) {
            case 'object':
                if (value === null) {
                    return '${1:null}' + separatorAfter;
                }
                return this.getInsertTextForValue(value, separatorAfter, type);
            case 'string': {
                if (type === 'number' || type === 'integer') {
                    return '${1:' + value + '}' + separatorAfter;
                }
                const snippetValue = this.getInsertTextForPlainText(toYamlStringScalar(value));
                return '${1:' + snippetValue + '}' + separatorAfter;
            }
            case 'number':
            case 'boolean':
                return '${1:' + value + '}' + separatorAfter;
        }
        return this.getInsertTextForValue(value, separatorAfter, type);
    }
    getInsertTextForPlainText(text) {
        return text.replace(/\\(?=[$}\\])/g, '\\\\').replace(/[$}]/g, '\\$&');
    }
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    getInsertTextForValue(value, separatorAfter, type) {
        if (value === null) {
            return 'null'; // replace type null with string 'null'
        }
        switch (typeof value) {
            case 'object': {
                const indent = this.indentation;
                return this.getInsertTemplateForValue(value, indent, { index: 1 }, separatorAfter);
            }
            case 'number':
            case 'boolean':
                return this.getInsertTextForPlainText(value + separatorAfter);
        }
        type = Array.isArray(type) ? type[0] : type;
        if (type === 'string') {
            value = toYamlStringScalar(String(value), this.isSingleQuote);
        }
        return this.getInsertTextForPlainText(value + separatorAfter);
    }
    getInsertTemplateForValue(value, indent, navOrder, separatorAfter) {
        if (Array.isArray(value)) {
            let insertText = '\n';
            for (const arrValue of value) {
                insertText += `${indent}- \${${navOrder.index++}:${arrValue}}\n`;
            }
            return insertText;
        }
        else if (typeof value === 'object') {
            let insertText = '\n';
            for (const key in value) {
                if (Object.prototype.hasOwnProperty.call(value, key)) {
                    const element = value[key];
                    insertText += `${indent}\${${navOrder.index++}:${key}}:`;
                    let valueTemplate;
                    if (typeof element === 'object') {
                        valueTemplate = `${this.getInsertTemplateForValue(element, indent + this.indentation, navOrder, separatorAfter)}`;
                    }
                    else {
                        valueTemplate = ` \${${navOrder.index++}:${this.getInsertTextForPlainText(element + separatorAfter)}}\n`;
                    }
                    insertText += `${valueTemplate}`;
                }
            }
            return insertText;
        }
        return this.getInsertTextForPlainText(value + separatorAfter);
    }
    addSchemaValueCompletions(schema, separatorAfter, collector, types, ignoreScalars = false, addArrayItem = false) {
        if (typeof schema === 'object') {
            this.addEnumValueCompletions(schema, separatorAfter, collector, ignoreScalars);
            this.addDefaultValueCompletions(schema, separatorAfter, collector);
            this.collectTypes(schema, types);
            if (addArrayItem && !isAnyOfAllOfOneOfType(schema)) {
                this.addArrayItemValueCompletion(schema, separatorAfter, collector);
            }
            if (Array.isArray(schema.allOf)) {
                schema.allOf.forEach((s) => {
                    return this.addSchemaValueCompletions(s, separatorAfter, collector, types, ignoreScalars, addArrayItem);
                });
            }
            if (Array.isArray(schema.anyOf)) {
                schema.anyOf.forEach((s) => {
                    return this.addSchemaValueCompletions(s, separatorAfter, collector, types, ignoreScalars, addArrayItem);
                });
            }
            if (Array.isArray(schema.oneOf)) {
                schema.oneOf.forEach((s) => {
                    return this.addSchemaValueCompletions(s, separatorAfter, collector, types, ignoreScalars, addArrayItem);
                });
            }
        }
    }
    collectTypes(schema, types) {
        if (Array.isArray(schema.enum) || isDefined(schema.const)) {
            return;
        }
        const type = schema.type;
        if (Array.isArray(type)) {
            type.forEach(function (t) {
                return (types[t] = true);
            });
        }
        else if (type) {
            types[type] = true;
        }
    }
    addDefaultValueCompletions(schema, separatorAfter, collector, arrayDepth = 0) {
        let hasProposals = false;
        if (isDefined(schema.default)) {
            let type = schema.type;
            let value = schema.default;
            for (let i = arrayDepth; i > 0; i--) {
                value = [value];
                type = 'array';
            }
            let label;
            if (typeof value === 'object') {
                label = l10n.t('Default value');
            }
            else {
                label = this.getLabelForValue(value);
            }
            collector.add({
                kind: this.getSuggestionKind(type),
                label,
                insertText: this.getInsertTextForValue(value, separatorAfter, type),
                insertTextFormat: InsertTextFormat.Snippet,
                detail: l10n.t('Default value'),
            });
            hasProposals = true;
        }
        if (Array.isArray(schema.examples)) {
            schema.examples.forEach((example) => {
                let type = schema.type;
                let value = example;
                for (let i = arrayDepth; i > 0; i--) {
                    value = [value];
                    type = 'array';
                }
                collector.add({
                    kind: this.getSuggestionKind(type),
                    label: this.getLabelForValue(value),
                    insertText: this.getInsertTextForValue(value, separatorAfter, type),
                    insertTextFormat: InsertTextFormat.Snippet,
                });
                hasProposals = true;
            });
        }
        this.collectDefaultSnippets(schema, separatorAfter, collector, {
            newLineFirst: true,
            indentFirstObject: true,
            shouldIndentWithTab: true,
        });
        if (!hasProposals && typeof schema.items === 'object' && !Array.isArray(schema.items)) {
            this.addDefaultValueCompletions(schema.items, separatorAfter, collector, arrayDepth + 1);
        }
    }
    addEnumValueCompletions(schema, separatorAfter, collector, ignoreScalars) {
        if (isDefined(schema.const)) {
            if (!ignoreScalars || typeof schema.const === 'object') {
                collector.add({
                    kind: this.getSuggestionKind(schema.type),
                    label: this.getLabelForValue(schema.const),
                    insertText: this.getInsertTextForValue(schema.const, separatorAfter, schema.type),
                    insertTextFormat: InsertTextFormat.Snippet,
                    documentation: this.fromMarkup(schema.markdownDescription) || schema.description,
                });
            }
        }
        if (Array.isArray(schema.enum)) {
            for (let i = 0, length = schema.enum.length; i < length; i++) {
                const enm = schema.enum[i];
                if (ignoreScalars && typeof enm !== 'object')
                    continue;
                let documentation = this.fromMarkup(schema.markdownDescription) || schema.description;
                if (schema.markdownEnumDescriptions && i < schema.markdownEnumDescriptions.length && this.doesSupportMarkdown()) {
                    documentation = this.fromMarkup(schema.markdownEnumDescriptions[i]);
                }
                else if (schema.enumDescriptions && i < schema.enumDescriptions.length) {
                    documentation = schema.enumDescriptions[i];
                }
                collector.add({
                    kind: this.getSuggestionKind(schema.type),
                    label: this.getLabelForValue(enm),
                    insertText: this.getInsertTextForValue(enm, separatorAfter, schema.type),
                    insertTextFormat: InsertTextFormat.Snippet,
                    documentation: documentation,
                });
            }
        }
    }
    getLabelForValue(value) {
        if (value === null) {
            return 'null'; // return string with 'null' value if schema contains null as possible value
        }
        if (Array.isArray(value)) {
            return JSON.stringify(value);
        }
        if (typeof value === 'string') {
            return toYamlStringScalar(value, this.isSingleQuote);
        }
        return String(value);
    }
    collectDefaultSnippets(schema, separatorAfter, collector, settings, arrayDepth = 0) {
        if (Array.isArray(schema.defaultSnippets)) {
            for (const s of schema.defaultSnippets) {
                let type = schema.type;
                let value = s.body;
                let label = s.label;
                let insertText;
                let filterText;
                if (isDefined(value)) {
                    const type = s.type || schema.type;
                    if (arrayDepth === 0 && type === 'array') {
                        // We know that a - isn't present yet so we need to add one
                        const fixedObj = {};
                        Object.keys(value).forEach((val, index) => {
                            if (index === 0 && !val.startsWith('-')) {
                                fixedObj[`- ${val}`] = value[val];
                            }
                            else {
                                fixedObj[`  ${val}`] = value[val];
                            }
                        });
                        value = fixedObj;
                    }
                    const existingProps = Object.keys(collector.proposed).filter((proposedProp) => collector.proposed[proposedProp].label === existingProposeItem);
                    insertText = this.getInsertTextForSnippetValue(value, separatorAfter, settings, existingProps);
                    // if snippet result is empty and value has a real value, don't add it as a completion
                    if (insertText === '' && value) {
                        continue;
                    }
                    label = label || this.getLabelForSnippetValue(value);
                }
                else if (typeof s.bodyText === 'string') {
                    let prefix = '', suffix = '', indent = '';
                    for (let i = arrayDepth; i > 0; i--) {
                        prefix = prefix + indent + '[\n';
                        suffix = suffix + '\n' + indent + ']';
                        indent += this.indentation;
                        type = 'array';
                    }
                    insertText = prefix + indent + s.bodyText.split('\n').join('\n' + indent) + suffix + separatorAfter;
                    label = label || insertText;
                    filterText = insertText.replace(/[\n]/g, ''); // remove new lines
                }
                collector.add({
                    kind: s.suggestionKind || this.getSuggestionKind(type),
                    label,
                    sortText: s.sortText || s.label,
                    documentation: this.fromMarkup(s.markdownDescription) || s.description,
                    insertText,
                    insertTextFormat: InsertTextFormat.Snippet,
                    filterText,
                });
            }
        }
    }
    getInsertTextForSnippetValue(value, separatorAfter, settings, existingProps, depth) {
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        const replacer = (value) => {
            if (typeof value === 'string') {
                if (value[0] === '^') {
                    return value.substr(1);
                }
                if (value === 'true' || value === 'false') {
                    return `"${value}"`;
                }
            }
            return value;
        };
        return (stringifyObject(value, '', replacer, { ...settings, indentation: this.indentation, existingProps }, depth) + separatorAfter);
    }
    addBooleanValueCompletion(value, separatorAfter, collector) {
        collector.add({
            kind: this.getSuggestionKind('boolean'),
            label: value ? 'true' : 'false',
            insertText: this.getInsertTextForValue(value, separatorAfter, 'boolean'),
            insertTextFormat: InsertTextFormat.Snippet,
            documentation: '',
        });
    }
    addNullValueCompletion(separatorAfter, collector) {
        collector.add({
            kind: this.getSuggestionKind('null'),
            label: 'null',
            insertText: 'null' + separatorAfter,
            insertTextFormat: InsertTextFormat.Snippet,
            documentation: '',
        });
    }
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    getLabelForSnippetValue(value) {
        const label = JSON.stringify(value);
        return label.replace(/\$\{\d+:([^}]+)\}|\$\d+/g, '$1');
    }
    getCustomTagValueCompletions(collector) {
        for (const customTag of this.customTags ?? []) {
            const parsedTag = parseCustomTag(customTag);
            if (parsedTag) {
                this.addCustomTagValueCompletion(collector, ' ', parsedTag.tag);
            }
        }
    }
    addCustomTagValueCompletion(collector, separatorAfter, label) {
        collector.add({
            kind: this.getSuggestionKind('string'),
            label: label,
            insertText: label + separatorAfter,
            insertTextFormat: InsertTextFormat.Snippet,
            documentation: '',
        });
    }
    getDocumentationWithMarkdownText(documentation, insertText) {
        let res = documentation;
        if (this.doesSupportMarkdown()) {
            insertText = insertText
                .replace(/\${[0-9]+[:|](.*)}/g, (s, arg) => {
                return arg;
            })
                .replace(/\$([0-9]+)/g, '');
            res = this.fromMarkup(`${documentation}\n \`\`\`\n${insertText}\n\`\`\``);
        }
        return res;
    }
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    getSuggestionKind(type) {
        if (Array.isArray(type)) {
            // eslint-disable-next-line @typescript-eslint/no-explicit-any
            const array = type;
            type = array.length > 0 ? array[0] : null;
        }
        if (!type) {
            return CompletionItemKind.Value;
        }
        switch (type) {
            case 'string':
                return CompletionItemKind.Value;
            case 'object':
                return CompletionItemKind.Module;
            case 'property':
                return CompletionItemKind.Property;
            default:
                return CompletionItemKind.Value;
        }
    }
    getCurrentWord(doc, offset) {
        let i = offset - 1;
        const text = doc.getText();
        while (i >= 0 && ' \t\n\r\v":{[,]}'.indexOf(text.charAt(i)) === -1) {
            i--;
        }
        return text.substring(i + 1, offset);
    }
    fromMarkup(markupString) {
        if (markupString && this.doesSupportMarkdown()) {
            return {
                kind: MarkupKind.Markdown,
                value: markupString,
            };
        }
        return undefined;
    }
    doesSupportMarkdown() {
        if (this.supportsMarkdown === undefined) {
            const completion = this.clientCapabilities.textDocument && this.clientCapabilities.textDocument.completion;
            this.supportsMarkdown =
                completion &&
                    completion.completionItem &&
                    Array.isArray(completion.completionItem.documentationFormat) &&
                    completion.completionItem.documentationFormat.indexOf(MarkupKind.Markdown) !== -1;
        }
        return this.supportsMarkdown;
    }
    findItemAtOffset(seqNode, doc, offset) {
        for (let i = seqNode.items.length - 1; i >= 0; i--) {
            const node = seqNode.items[i];
            if (isNode(node)) {
                if (node.range) {
                    if (offset > node.range[1]) {
                        return i;
                    }
                    else if (offset >= node.range[0]) {
                        return i;
                    }
                }
            }
        }
        return 0;
    }
    getPropertyNamesCandidates(schema) {
        let impossible = false;
        const collect = (node) => {
            if (!node || typeof node !== 'object')
                return null;
            if (Array.isArray(node.allOf) && node.allOf.length) {
                let intersection = null;
                for (const part of node.allOf) {
                    const partSet = collect(part);
                    if (!partSet)
                        continue;
                    intersection = intersection ? new Set([...intersection].filter((v) => partSet.has(v))) : new Set(partSet);
                    if (intersection.size === 0) {
                        impossible = true;
                        return new Set();
                    }
                }
                if (intersection)
                    return intersection;
            }
            const result = new Set();
            if (typeof node.const === 'string')
                result.add(node.const);
            node.enum?.forEach((val) => typeof val === 'string' && result.add(val));
            node.anyOf?.forEach((branch) => collect(branch)?.forEach((val) => result.add(val)));
            node.oneOf?.forEach((branch) => collect(branch)?.forEach((val) => result.add(val)));
            return result.size ? result : null;
        };
        const set = collect(schema);
        return { candidates: set ? [...set] : [], impossible };
    }
    getQuote() {
        return this.isSingleQuote ? `'` : `"`;
    }
    /**
     * simplify `{$1:value}` to `value`
     */
    evaluateTab1Symbol(value) {
        return value.replace(/\$\{1:(.*)\}/, '$1');
    }
    isParentCompletionItem(item) {
        return 'parent' in item;
    }
}
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