import * as React from 'react';
import { ReactElement, isValidElement, useCallback } from 'react';
import get from 'lodash/get.js';

import { useTranslate } from '../../i18n';
import { RaRecord } from '../../types';
import { RecordContextProvider } from '../../controller';

export type OptionTextElement = ReactElement<{
    record: RaRecord;
}>;
export type OptionTextFunc = (choice: any) => React.ReactNode;
export type OptionText = OptionTextElement | OptionTextFunc | string;

export interface ChoicesProps {
    choices?: any[];
    isFetching?: boolean;
    isLoading?: boolean;
    isPending?: boolean;
    optionValue?: string;
    optionText?: OptionText;
    translateChoice?: boolean;
    disableValue?: string;
}

export interface UseChoicesOptions {
    optionValue?: string;
    optionText?: OptionText;
    disableValue?: string;
    translateChoice?: boolean;
    createValue?: string;
    createHintValue?: string;
}

/*
 * Returns helper functions for choices handling.
 *
 * @param optionText Either a string defining the property to use to get the choice text, a function or a React element
 * @param optionValue The property to use to get the choice value
 * @param translateChoice A boolean indicating whether to option text should be translated
 *
 * @returns An object with helper functions:
 * - getChoiceText: Returns the choice text or a React element
 * - getChoiceValue: Returns the choice value
 */
export const useChoices = ({
    optionText = 'name',
    optionValue = 'id',
    disableValue = 'disabled',
    translateChoice = true,
    createValue = '@@ra-create',
    createHintValue = '@@ra-create-hint',
}: UseChoicesOptions) => {
    const translate = useTranslate();

    const getChoiceText = useCallback(
        choice => {
            if (choice?.id === createValue || choice?.id === createHintValue) {
                return get(
                    choice,
                    typeof optionText === 'string' ? optionText : 'name'
                );
            }

            if (isValidElement<{ record: any }>(optionText)) {
                return (
                    <RecordContextProvider value={choice}>
                        {optionText}
                    </RecordContextProvider>
                );
            }
            const choiceName =
                typeof optionText === 'function'
                    ? optionText(choice)
                    : get(choice, optionText);

            return isValidElement(choiceName)
                ? choiceName
                : translateChoice
                  ? translate(String(choiceName), { _: choiceName })
                  : String(choiceName);
        },
        [createHintValue, createValue, optionText, translate, translateChoice]
    );

    const getChoiceValue = useCallback(
        choice => get(choice, optionValue, get(choice, 'id')),
        [optionValue]
    );

    const getDisableValue = useCallback(
        choice => get(choice, disableValue),
        [disableValue]
    );

    return {
        getChoiceText,
        getChoiceValue,
        getDisableValue,
    };
};