import { createValidator, findFirstError, Validator, getCurrentPath } from '../core';
import { pipe } from '../pipe';
import { array } from '../array';

/**
 * value should be an array
 * @param validator
 */
export function every<ValidValue = any>(validator: Validator, message?: string) {
	return pipe<ValidValue>(
		[
			array(),
			createValidator<ValidValue>({
				// here value should be an array
				validate: (value, ctx) => {
					// find the first error among values
					const { error } = findFirstError(
						() => validator,
						i => value[i],
						i => ({
							...ctx,
							path: [...ctx.path, i.toString()],
						}),
						value.length
					);

					if (error) {
						return {
							path: getCurrentPath(ctx),
							message: 'All children should be valid',
							children: [error],
						};
					}

					return null;
				},
			}),
		],
		message
	);
}