<?php
namespace ABeCe\Booking\Service;

final class BookingValidator {
	public const STATUSES = [ 'pending', 'confirmed', 'cancelled', 'completed', 'no_show', 'voided' ];
	public const PAYMENT_STATUSES = [ 'unpaid', 'paid', 'partially_paid', 'refunded', 'partially_refunded', 'not_required' ];
	public static function fields( array $input, array $allowed ): void {
		foreach ( array_keys( $input ) as $field ) {
			if ( ! in_array( $field, $allowed, true ) ) { CatalogValidator::invalid( (string) $field, __( 'This field cannot be set by the client.', 'abece-booking' ) ); }
		}
	}
	public static function note( mixed $value, string $field ): ?string {
		if ( null === $value ) { return null; }
		if ( ! is_string( $value ) ) { CatalogValidator::invalid( $field, __( 'A text value is required.', 'abece-booking' ) ); }
		$value = sanitize_textarea_field( $value );
		if ( strlen( $value ) > 65535 ) { CatalogValidator::invalid( $field, __( 'The note is too long.', 'abece-booking' ) ); }
		return '' === $value ? null : $value;
	}
	public static function login( int $user_id ): void {
		if ( $user_id < 1 || ! get_userdata( $user_id ) ) { throw new \ABeCe\Booking\Domain\CatalogException( 'abece_booking_login_required', __( 'Log in to manage your bookings.', 'abece-booking' ), 401 ); }
	}
}