import {FIND_VALUE_INDEX, findValue} from './find';
import type {PlainObject} from '../../models';

// #region Functions

/**
 * Get the index of the first matching item by callback
 *
 * @param array Array to search in
 * @param callback Callback to get an item's value
 * @param value Value to match against
 * @returns Index of the first matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * indexOf(
 *   [{id: 1}, {id: 2}, {id: 3}],
 *   item => item.id,
 *   2,
 * ); // => 1
 * ```
 */
export function indexOf<
	Item,
	Callback extends (item: Item, index: number, array: Item[]) => unknown,
>(array: Item[], callback: Callback, value: ReturnType<Callback>): number;

/**
 * Get the index of the first matching item by key
 *
 * @param array Array to search in
 * @param key Key to match items by
 * @param value Value to match against
 * @returns Index of the first matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * indexOf(
 *   [{id: 1}, {id: 2}, {id: 3}],
 *   'id',
 *   2,
 * ); // => 1
 * ```
 */
export function indexOf<Item extends PlainObject, ItemKey extends keyof Item>(
	array: Item[],
	key: ItemKey,
	value: Item[ItemKey],
): number;

/**
 * Get the index of the first item matching the filter
 *
 * @param array Array to search in
 * @param filter Filter callback to match items
 * @returns Index of the first matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * indexOf(
 *   [{id: 1}, {id: 2}, {id: 3}],
 *   item => item.id === 2,
 * ); // => 1
 * ```
 */
export function indexOf<Item>(
	array: Item[],
	filter: (item: Item, index: number, array: Item[]) => boolean,
): number;

/**
 * Get the index of the first item matching the given item
 *
 * @param array Array to search in
 * @param item Item to match against
 * @returns Index of the first matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * indexOf([1, 2, 3, 4, 5], 3); // => 2
 * ```
 */
export function indexOf<Item>(array: Item[], item: Item): number;

export function indexOf(array: unknown[], ...parameters: unknown[]): number {
	return findValue(FIND_VALUE_INDEX, array, parameters, false);
}

indexOf.last = lastIndexOf;

/**
 * Get the index of the last matching item by callback
 *
 * _Available as `lastIndexOf` and `indexOf.last`_
 *
 * @param array Array to search in
 * @param callback Callback to get an item's value
 * @param value Value to match against
 * @returns Index of the last matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * lastIndexOf(
 *   [{id: 1}, {id: 2}, {id: 3}, {id: 2}],
 *   item => item.id,
 *   2,
 * ); // => 3
 * ```
 */
export function lastIndexOf<
	Item,
	Callback extends (item: Item, index: number, array: Item[]) => unknown,
>(array: Item[], callback: Callback, value: ReturnType<Callback>): number;

/**
 * Get the index of the last matching item by key
 *
 * _Available as `lastIndexOf` and `indexOf.last`_
 *
 * @param array Array to search in
 * @param key Key to match items by
 * @param value Value to match against
 * @returns Index of the last matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * lastIndexOf(
 *   [{id: 1}, {id: 2}, {id: 3}, {id: 2}],
 *   'id',
 *   2,
 * ); // => 3
 * ```
 */
export function lastIndexOf<Item extends PlainObject, ItemKey extends keyof Item>(
	array: Item[],
	key: ItemKey,
	value: Item[ItemKey],
): number;

/**
 * Get the index of the last item matching the filter
 *
 * _Available as `lastIndexOf` and `indexOf.last`_
 *
 * @param array Array to search in
 * @param filter Filter callback to match items
 * @returns Index of the last matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * lastIndexOf(
 *   [{id: 1}, {id: 2}, {id: 3}, {id: 2}],
 *   item => item.id === 2,
 * ); // => 3
 * ```
 */
export function lastIndexOf<Item>(
	array: Item[],
	filter: (item: Item, index: number, array: Item[]) => boolean,
): number;

/**
 * Get the index of the last item matching the given item
 *
 * _Available as `lastIndexOf` and `indexOf.last`_
 *
 * @param array Array to search in
 * @param item Item to match against
 * @returns Index of the last matching item, or `-1` if no match is found
 *
 * @example
 * ```typescript
 * lastIndexOf([1, 2, 3, 2, 1], 2); // => 3
 * ```
 */
export function lastIndexOf<Item>(array: Item[], item: Item): number;

export function lastIndexOf(array: unknown[], ...parameters: unknown[]): number {
	return findValue(FIND_VALUE_INDEX, array, parameters, true);
}

// #endregion