<?php
/**
 * Date field.
 *
 * @package Fillaro
 */

namespace Fillaro\Fields;

defined( 'ABSPATH' ) || exit;

/**
 * Date field, stored as Y-m-d.
 */
class Date extends Text {

	/** {@inheritdoc} */
	public function type() {
		return 'date';
	}

	/** {@inheritdoc} */
	public function label() {
		return __( 'Date', 'fillaro' );
	}

	/** {@inheritdoc} */
	protected function input_type() {
		return 'date';
	}

	/** {@inheritdoc} */
	public function sanitize_config( array $raw ) {
		$date = static function ( $v ) {
			return ( is_string( $v ) && preg_match( '/^\d{4}-\d{2}-\d{2}$/', $v ) ) ? $v : '';
		};
		return array(
			'min' => $date( isset( $raw['min'] ) ? $raw['min'] : '' ),
			'max' => $date( isset( $raw['max'] ) ? $raw['max'] : '' ),
		);
	}

	/** {@inheritdoc} */
	public function validate( $value, array $field ) {
		$d = \DateTime::createFromFormat( '!Y-m-d', (string) $value );
		if ( ! $d || $d->format( 'Y-m-d' ) !== $value ) {
			return __( 'Enter a valid date.', 'fillaro' );
		}
		if ( '' !== $field['min'] && $value < $field['min'] ) {
			/* translators: %s: earliest date. */
			return sprintf( __( 'Pick %s or later.', 'fillaro' ), $field['min'] );
		}
		if ( '' !== $field['max'] && $value > $field['max'] ) {
			/* translators: %s: latest date. */
			return sprintf( __( 'Pick %s or earlier.', 'fillaro' ), $field['max'] );
		}
		return '';
	}

	/** {@inheritdoc} */
	protected function extra_attrs( array $field ) {
		return array(
			'min'         => $field['min'],
			'max'         => $field['max'],
			'placeholder' => false,
		);
	}
}