# Copyright 2026 Marimo. All rights reserved.
from __future__ import annotations

from typing import Any

from marimo._dependencies.dependencies import DependencyManager
from marimo._plugins.ui._impl.tables.default_table import DefaultTableManager
from marimo._plugins.ui._impl.tables.ibis_table import IbisTableManagerFactory
from marimo._plugins.ui._impl.tables.narwhals_table import NarwhalsTableManager
from marimo._plugins.ui._impl.tables.pandas_table import (
    PandasTableManagerFactory,
)
from marimo._plugins.ui._impl.tables.polars_table import (
    PolarsTableManagerFactory,
)
from marimo._plugins.ui._impl.tables.table_manager import (
    TableManager,
    TableManagerFactory,
)
from marimo._utils.narwhals_utils import can_narwhalify

MANAGERS: list[TableManagerFactory] = [
    PandasTableManagerFactory(),
    PolarsTableManagerFactory(),
    IbisTableManagerFactory(),
]


def get_table_manager(data: Any) -> TableManager[Any]:
    return get_table_manager_or_none(data) or DefaultTableManager(data)


def get_table_manager_or_none(data: Any) -> TableManager[Any] | None:
    if data is None:
        return None

    # Try to find a manager specifically for the data type
    for manager_factory in MANAGERS:
        # We use `imported` instead of `has()` because `has()` can be very
        # slow. If a variable created by a package is in memory, then the
        # module will have been imported.
        if DependencyManager.imported(manager_factory.package_name()):
            manager = manager_factory.create()
            if manager.is_type(data):
                return manager(data)

    # Fallback to generic NarwhalsTableManager
    if can_narwhalify(data, eager_only=False):
        return NarwhalsTableManager.from_dataframe(data)

    return None
