import { toInteger } from "../util/toInteger.mjs";
import { identity } from "../../function/identity.mjs";
import { iteratee } from "../util/iteratee.mjs";
//#region src/compat/array/findLast.ts
/**
* Finds the last item in an object that has a specific property, where the property name is provided as a PropertyKey.
*
* @template T
* @param {ArrayLike<T> | Record<any, any> | null | undefined} source - The source array or object to search through.
* @param {((item: T, index: number, arr: any) => unknown) | Partial<T> | [keyof T, unknown] | PropertyKey} doesMatch - The criteria to match. It can be a function, a partial object, a key-value pair, or a property name.
* @param {number} [fromIndex] - The index to start the search from, defaults to source.length-1 for arrays or Object.keys(source).length-1 for objects.
* @returns {T | undefined} - The last property value that has the specified property, or `undefined` if no match is found.
*
* @example
* // Using a property name
* const obj = { a: { id: 1, name: 'Alice' }, b: { id: 2 }, c: { id: 3, name: 'Bob' } };
* const result = findLast(obj, 'name');
* console.log(result); // { id: 3, name: 'Bob' }
*/
function findLast(source, _doesMatch = identity, fromIndex) {
	if (!source) return;
	const length = Array.isArray(source) ? source.length : Object.keys(source).length;
	fromIndex = toInteger(fromIndex ?? length - 1);
	if (fromIndex < 0) fromIndex = Math.max(length + fromIndex, 0);
	else fromIndex = Math.min(fromIndex, length - 1);
	const doesMatch = iteratee(_doesMatch);
	if (!Array.isArray(source)) {
		const keys = Object.keys(source);
		for (let i = fromIndex; i >= 0; i--) {
			const key = keys[i];
			const value = source[key];
			if (doesMatch(value, key, source)) return value;
		}
		return;
	}
	return source.slice(0, fromIndex + 1).findLast(doesMatch);
}
//#endregion
export { findLast };