<?php
/**
 * Template for displaying the ajax-terms field
 * Note: the stored value is an array if WooCommerce >= 3.0; string otherwise
 *
 * @var array $field The field.
 * @package YITH\PluginFramework\Templates\Fields
 */

defined( 'ABSPATH' ) || exit; // Exit if accessed directly.

yith_plugin_fw_enqueue_enhanced_select();

$default_field = array(
	'id'       => '',
	'name'     => '',
	'class'    => 'yith-term-search',
	'no_value' => false,
	'multiple' => false,
	'data'     => array(),
	'style'    => 'width:400px',
	'value'    => '',
);

foreach ( $default_field as $field_key => $field_value ) {
	if ( empty( $field[ $field_key ] ) ) {
		$field[ $field_key ] = $field_value;
	}
}
unset( $field_key );
unset( $field_value );

list ( $field_id, $class, $no_value, $multiple, $data, $name, $style, $value ) = yith_plugin_fw_extract( $field, 'id', 'class', 'no_value', 'multiple', 'data', 'name', 'style', 'value' );

if ( $no_value ) {
	$value = array();
}

$default_data = array(
	'action'      => 'yith_plugin_fw_json_search_terms',
	'placeholder' => __( 'Search for a category...', 'yith-plugin-fw' ),
	'allow_clear' => false,
	'taxonomy'    => 'category',
	'term_field'  => 'id',
);
$data         = wp_parse_args( $data, $default_data );
$show_id      = isset( $data['show_id'] ) && $data['show_id'];

// Separate select2 needed data and other data.
$select2_custom_attributes = array();
$select2_data              = array();
$select2_data_keys         = array( 'placeholder', 'allow_clear', 'action' );
foreach ( $data as $d_key => $d_value ) {
	if ( in_array( $d_key, $select2_data_keys, true ) ) {
		$select2_data[ $d_key ] = $d_value;
	} else {
		$select2_custom_attributes[ 'data-' . $d_key ] = $d_value;
	}
}

$term_field = $data['term_field'];

// Populate data-selected by value.
$data_selected = array();
if ( ! empty( $value ) ) {
	if ( $multiple ) {
		if ( 'id' === $term_field ) {
			$value = is_array( $value ) ? array_map( 'absint', $value ) : explode( ',', $value );
		} else {
			$value = is_array( $value ) ? $value : explode( ',', $value );
		}
		foreach ( $value as $term_value ) {
			$the_term = get_term_by( $term_field, $term_value, $data['taxonomy'] );
			if ( is_object( $the_term ) ) {
				$term_title                   = wp_kses_post( html_entity_decode( $the_term->name, ENT_QUOTES, get_bloginfo( 'charset' ) ) );
				$term_title_suffix            = $show_id ? " (#{$the_term->term_id})" : '';
				$data_selected[ $term_value ] = $term_title . $term_title_suffix;
			} else {
				$data_selected[ $term_value ] = '#' . $term_value;
			}
		}
	} else {
		$term_value = 'id' === $term_field ? absint( $value ) : $value;
		$the_term   = get_term_by( $term_field, $term_value, $data['taxonomy'] );
		if ( is_object( $the_term ) ) {
			$term_title                   = wp_kses_post( html_entity_decode( $the_term->name, ENT_QUOTES, get_bloginfo( 'charset' ) ) );
			$term_title_suffix            = $show_id ? " (#{$the_term->term_id})" : '';
			$data_selected[ $term_value ] = $term_title . $term_title_suffix;
		} else {
			$data_selected[ $term_value ] = '#' . $term_value;
		}
	}
}

// Parse $value to string to prevent issue with wc2.6.
$value = is_array( $value ) ? implode( ',', $value ) : $value;
?>
<div class="yith-plugin-fw-select2-wrapper">
	<?php
	if ( function_exists( 'yit_add_select2_fields' ) ) {
		yit_add_select2_fields(
			array(
				'id'                => $field_id,
				'name'              => $name,
				'class'             => $class,
				'data-multiple'     => $multiple,
				'data-placeholder'  => $select2_data['placeholder'],
				'data-allow_clear'  => $select2_data['allow_clear'],
				'data-action'       => $select2_data['action'],
				'custom-attributes' => $select2_custom_attributes,
				'style'             => $style,
				'value'             => $value,
				'data-selected'     => $data_selected,
				'data-term-field'   => $term_field,
			)
		);
	}
	?>
</div>
