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<?php
/**
 * Product Data integration.
 *
 * @package WCBoost\VariationSwatches
 */

namespace WCBoost\VariationSwatches\Admin;

defined( 'ABSPATH' ) || exit;

use WCBoost\VariationSwatches\Helper;
use WCBoost\VariationSwatches\Plugin;
use WCBoost\VariationSwatches\Admin\Term_Meta;

/**
 * Handles swatches product data integration.
 */
class Product_Data {
	const META_NAME = 'wcboost_variation_swatches';

/**
	 * Instance.
	 *
	 * Holds the plugin instance.
	 *
	 * @since 1.0.0
	 * @access protected
	 * @static
	 *
	 * @var static
	 */
	protected static $_instance = null; // phpcs:ignore PSR2.Classes.PropertyDeclaration.Underscore

/**
	 * Instance.
	 *
	 * Ensures only one instance of the plugin class is loaded or can be loaded.
	 *
	 * @since 1.0.0
	 * @access public
	 * @static
	 *
	 * @return static
	 */
	public static function instance() {
		if ( null === self::$_instance ) {
			self::$_instance = new self();
		}

return self::$_instance;
	}

/**
	 * Class constructor.
	 */
	public function __construct() {
		add_action( 'woocommerce_product_option_terms', [ $this, 'product_option_terms' ], 10, 3 );

add_filter( 'woocommerce_product_data_tabs', [ $this, 'swatches_tab' ] );
		add_action( 'woocommerce_product_data_panels', [ $this, 'swatches_panel' ] );
		add_action( 'wp_ajax_product_meta_fields', [ $this, 'swatches_data_panel' ] );

add_action( 'woocommerce_process_product_meta', [ $this, 'process_product_swatches_meta' ] );

add_action( 'wp_ajax_wcboost_variation_swatches_add_term', [ $this, 'ajax_add_new_attribute_term' ] );
		add_action( 'admin_footer', [ $this, 'dialog_new_term' ] );
	}

/**
	 * Add selector for extra attribute types.
	 *
	 * @param object                $taxonomy  The taxonomy object.
	 * @param int                   $index     The attribute index.
	 * @param \WC_Product_Attribute $attribute The product attribute.
	 */
	public function product_option_terms( $taxonomy, $index, $attribute ) {
		if ( ! Helper::attribute_is_swatches( $taxonomy ) ) {
			return;
		}
		$term_limit        = absint( apply_filters( 'woocommerce_admin_terms_metabox_datalimit', 50 ) );
		$attribute_orderby = ! empty( $taxonomy->attribute_orderby ) ? $taxonomy->attribute_orderby : 'name';
		?>
		<select
			multiple="multiple"
			data-minimum_input_length="0"
			data-limit="<?php echo esc_attr( $term_limit ); ?>" data-return_id="id"
			data-placeholder="<?php esc_attr_e( 'Select values', 'wcboost-variation-swatches' ); ?>"
			data-orderby="<?php echo esc_attr( $attribute_orderby ); ?>"
			class="multiselect attribute_values wc-taxonomy-term-search"
			name="attribute_values[<?php echo esc_attr( $index ); ?>][]"
			data-taxonomy="<?php echo esc_attr( $attribute->get_taxonomy() ); ?>"
		>
			<?php
			$selected_terms = $attribute->get_terms();

if ( $selected_terms ) {
				foreach ( $selected_terms as $selected_term ) {
					$options   = $attribute->get_options();
					$options   = ! empty( $options ) ? $options : [];
					$term_name = apply_filters( 'woocommerce_product_attribute_term_name', $selected_term->name, $selected_term );

echo '<option value="' . esc_attr( $selected_term->term_id ) . '" selected="selected">' . esc_html( $term_name ) . '</option>';
				}
			}
			?>
		</select>
		<button class="button plus select_all_attributes"><?php esc_html_e( 'Select all', 'wcboost-variation-swatches' ); ?></button>
		<button class="button minus select_no_attributes"><?php esc_html_e( 'Select none', 'wcboost-variation-swatches' ); ?></button>
		<button class="button fr plus add_new_attribute_with_swatches" data-type="<?php echo esc_attr( $taxonomy->attribute_type ); ?>"><?php esc_html_e( 'Add new', 'wcboost-variation-swatches' ); ?></button>
		<?php
	}

/**
	 * Add new product data tab for swatches.
	 *
	 * @param array $tabs The product data tabs.
	 *
	 * @return array
	 */
	public function swatches_tab( $tabs ) {
		$tabs['wcboost_variation_swatches'] = [
			'label'    => esc_html__( 'Swatches', 'wcboost-variation-swatches' ),
			'target'   => 'wcboost_variation_swatches_data',
			'class'    => [ 'swatches_tab', 'show_if_variable' ],
			'priority' => 61,
		];

return $tabs;
	}

/**
	 * Outputs the swatches data panel.
	 */
	public function swatches_panel() {
		global $product_object;
		?>

<div id="wcboost_variation_swatches_data" class="panel woocommerce_options_panel wc-metaboxes-wrapper hidden">
			<div id="wcboost_variation_swatches_data_inner" class="wcboost-variation-swatches-product-data  wc-metaboxes">
				<?php
				$attributes       = $product_object->get_attributes( 'edit' );
				$swatches         = $this->get_meta();
				$types            = wc_get_attribute_types();
				$shapes           = Settings::instance()->get_shape_options();
				$default_settings = [
					'shape' => Settings::instance()->get_option( 'shape' ),
					'size'  => Settings::instance()->get_option( 'size' ),
				];

foreach ( $attributes as $attribute ) {
					if ( ! $attribute->get_variation() ) {
						continue;
					}

$attribute_name     = sanitize_title( $attribute->get_name() );
					$attribute_type     = $attribute->is_taxonomy() ? $attribute->get_taxonomy_object()->attribute_type : 'select';
					$attribute_swatches = isset( $swatches[ $attribute_name ] ) ? $swatches[ $attribute_name ] : [];
					$attribute_swatches = wp_parse_args( $attribute_swatches, [
						'type'        => '',
						'size'        => '',
						'custom_size' => [ 'width' => '', 'height' => '' ],
						'shape'       => '',
						'swatches'    => [],
					] );
					$box_title          = $attribute_swatches['type'] ? $types[ $attribute_swatches['type'] ] : $types[ $attribute_type ];
					?>
					<div data-taxonomy="<?php echo esc_attr( $attribute->get_taxonomy() ); ?>" class="wc-metabox closed" rel="<?php echo esc_attr( $attribute->get_position() ); ?>">
						<h3>
							<div class="handlediv" title="<?php esc_attr_e( 'Click to toggle', 'wcboost-variation-swatches' ); ?>"></div>
							<div class="swatches-type fr" data-default="<?php echo esc_attr( $types[ $attribute_type ] ); ?>"><?php echo esc_html( $box_title ); ?></div>
							<strong class="attribute_name"><?php echo esc_html( wc_attribute_label( $attribute->get_name() ) ); ?></strong>
						</h3>
						<div class="wc-metabox-content hidden">
							<div class="options_group">
								<?php
								woocommerce_wp_select( [
									'id'            => 'wcboost_variation_swatches[' . $attribute_name . '][type]',
									'class'         => 'select',
									'wrapper_class' => 'wcboost-variaton-swatches__type-field',
									'label'         => esc_html__( 'Type', 'wcboost-variation-swatches' ),
									/* translators: %s is attribute default type */
									'description'   => sprintf( esc_html__( 'The default type is: %s', 'wcboost-variation-swatches' ), $types[ $attribute_type ] ),
									'value'         => $attribute_swatches['type'],
									'options'       => array_merge( [ '' => esc_html__( 'Default', 'wcboost-variation-swatches' ) ], $types ),
								] );
								?>
							</div>

<div class="options_group">
								<?php
								woocommerce_wp_select( [
									'id'            => 'wcboost_variation_swatches[' . $attribute_name . '][shape]',
									'class'         => 'select',
									'wrapper_class' => 'wcboost-variaton-swatches__shape-field',
									'label'         => esc_html__( 'Shape', 'wcboost-variation-swatches' ),
									/* translators: %s is the default swatch shape */
									'description'   => sprintf( esc_html__( 'The default shape is: %s', 'wcboost-variation-swatches' ), $shapes[ $default_settings['shape'] ] ),
									'value'         => $attribute_swatches['shape'],
									'options'       => array_merge( [ '' => esc_html__( 'Default', 'wcboost-variation-swatches' ) ], $shapes ),
								] );
								?>
							</div>

<div class="options_group">
								<?php
								woocommerce_wp_select( [
									'id'            => 'wcboost_variation_swatches[' . $attribute_name . '][size]',
									'class'         => 'select',
									'wrapper_class' => 'wcboost-variaton-swatches__size-field',
									'label'         => esc_html__( 'Size', 'wcboost-variation-swatches' ),
									'value'         => $attribute_swatches['size'],
									'options'       => [
										''       => esc_html__( 'Default', 'wcboost-variation-swatches' ),
										'custom' => esc_html__( 'Custom', 'wcboost-variation-swatches' ),
									],
								] );
								?>
								<p class="form-field form-field--custom-size dimensions_field <?php echo 'custom' !== $attribute_swatches['size'] ? 'hidden' : ''; ?>">
									<span class="wrap">
										<input type="text" name="wcboost_variation_swatches[<?php echo esc_attr( $attribute_name ); ?>][custom_size][width]" value="<?php echo esc_attr( $attribute_swatches['custom_size']['width'] ); ?>" size="5" placeholder="<?php esc_attr_e( 'Width', 'wcboost-variation-swatches' ); ?>">
										<input type="text" name="wcboost_variation_swatches[<?php echo esc_attr( $attribute_name ); ?>][custom_size][height]" value="<?php echo esc_attr( $attribute_swatches['custom_size']['height'] ); ?>" size="5" placeholder="<?php esc_attr_e( 'Height', 'wcboost-variation-swatches' ); ?>">
									</span>
								</p>
							</div>

<div class="options_group options_group--swatches">
								<fieldset class="form-field form-field__swatches-color clearfix <?php echo 'color' !== $attribute_swatches['type'] ? 'hidden' : ''; ?>">
									<?php
									$this->swatches_metabox( [
										'attribute' => $attribute,
										'type'      => 'color',
										'values'    => $attribute_swatches['swatches'],
									]);
									?>
								</fieldset>

<fieldset class="form-field form-field__swatches-image clearfix <?php echo 'image' !== $attribute_swatches['type'] ? 'hidden' : ''; ?>">
									<?php
									$this->swatches_metabox( [
										'attribute' => $attribute,
										'type'      => 'image',
										'values'    => $attribute_swatches['swatches'],
									]);
									?>
								</fieldset>

<fieldset class="form-field form-field__swatches-label clearfix <?php echo 'label' !== $attribute_swatches['type'] ? 'hidden' : ''; ?>">
									<?php
									$this->swatches_metabox( [
										'attribute' => $attribute,
										'type'      => 'label',
										'values'    => $attribute_swatches['swatches'],
									]);
									?>
								</fieldset>
							</div>
						</div>
					</div>
					<?php
				}
				?>
			</div>
		</div>

<?php
	}

/**
	 * Output custom swatches data fields.
	 *
	 * @param array $args The swatches metabox arguments.
	 */
	protected function swatches_metabox( $args ) {
		$args = wp_parse_args( $args, [
			'attribute' => '',
			'type'      => 'color',
			'values'    => '',
		] );
		$args = apply_filters( 'wcboost_variation_swatches_product_meta_attribute_swatches_args', $args );

if ( empty( $args['attribute'] ) ) {
			return;
		}

$options = $args['attribute']->get_options();

if ( empty( $options ) ) {
			return;
		}

$attribute_name = sanitize_title( $args['attribute']->get_name() );

foreach ( $options as $option ) {
			$name   = $args['attribute']->is_taxonomy() ? $option : sanitize_title( $option );
			$term   = $args['attribute']->is_taxonomy() ? get_term( $option ) : false;
			$label  = $term ? $term->name : $option;
			$values = isset( $args['values'][ $name ] ) ? $args['values'][ $name ] : [
				'color' => $term ? get_term_meta( $term->term_id, 'color', true ) : '',
				'image' => $term ? get_term_meta( $term->term_id, 'image', true ) : '',
				'label' => $term ? get_term_meta( $term->term_id, 'label', true ) : '',
			];
			$values = wp_parse_args( $values, [
				'color' => '',
				'label' => '',
				'image' => '',
			] );

switch ( $args['type'] ) {
				case 'color':
					Term_Meta::swatches_field( [
						'type'  => 'color',
						'desc'  => $label,
						'name'  => "wcboost_variation_swatches[$attribute_name][swatches][$name][color]",
						'value' => $values['color'],
					] );
					break;

case 'image':
					Term_Meta::swatches_field( [
						'type'  => 'image',
						'desc'  => $label,
						'name'  => "wcboost_variation_swatches[$attribute_name][swatches][$name][image]",
						'value' => $values['image'],
					] );
					break;

case 'label':
					Term_Meta::swatches_field( [
						'type'  => 'label',
						'desc'  => $label,
						'name'  => "wcboost_variation_swatches[$attribute_name][swatches][$name][label]",
						'value' => $values['label'],
					] );
					break;
			}
		}
	}

/**
	 * Save custom swatches data.
	 *
	 * @param int $post_id The post ID.
	 *
	 * @return bool
	 */
	public function process_product_swatches_meta( $post_id ) {
		// phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
		$variation_swatches = isset( $_POST['wcboost_variation_swatches'] ) ? $_POST['wcboost_variation_swatches'] : [];

if ( empty( $variation_swatches ) || ! is_array( $variation_swatches ) ) {
			return;
		}

// Sanitize the input data.
		$data = [];

foreach ( $variation_swatches as $attribute_slug => $settings ) {
			$data[ $attribute_slug ] = [
				'type'        => Settings::instance()->sanitize_type( $settings['type'] ),
				'shape'       => Settings::instance()->sanitize_shape( $settings['shape'] ),
				'size'        => sanitize_text_field( $settings['size'] ),
				'custom_size' => Settings::instance()->sanitize_size( $settings['custom_size'] ),
				'swatches'    => [],
			];

foreach ( $settings['swatches'] as $term_id => $swatches ) {
				$data[ $attribute_slug ]['swatches'][ $term_id ] = array_map( 'sanitize_text_field', $swatches );
			}
		}

$data = apply_filters( 'wcboost_variation_swatches_process_product_swatches_meta', $data, $post_id );

if ( is_array( $data ) ) {
			update_post_meta( $post_id, self::META_NAME, $data );
		}
	}

/**
	 * Get swatches post meta.
	 * Support mapping values from other plugins.
	 *
	 * @param int $post_id The product id.
	 *
	 * @return array|bool
	 */
	public function get_meta( $post_id = null ) {
		$post_id = $post_id ? $post_id : $GLOBALS['thepostid'];

$meta = get_post_meta( $post_id, self::META_NAME, true );

if ( ! $meta ) {
			$meta = Plugin::instance()->get_mapping()->get_product_meta( $post_id );

// Save this meta data for faster loading in the next time.
			if ( false !== $meta ) {
				update_post_meta( $post_id, self::META_NAME, $meta );
			}
		}

return apply_filters( 'wcboost_variation_swatches_product_meta', $meta, $post_id );
	}

/**
	 * Ajax function handles adding new attribute term
	 */
	public function ajax_add_new_attribute_term() {
		// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
		if ( ! isset( $_POST['_wpnonce'] ) || ! wp_verify_nonce( wp_unslash( $_POST['_wpnonce'] ), 'wcboost_variation_swatches_add_term' ) ) {
			wp_send_json_error( esc_html__( 'Wrong request', 'wcboost-variation-swatches' ) );
		}

if ( empty( $_POST['attribute_name'] ) || empty( $_POST['attribute_taxonomy'] ) ) {
			wp_send_json_error( esc_html__( 'Not enough data', 'wcboost-variation-swatches' ) );
		}

$name     = sanitize_text_field( wp_unslash( $_POST['attribute_name'] ) );
		$taxonomy = sanitize_text_field( wp_unslash( $_POST['attribute_taxonomy'] ) );
		$type     = ! empty( $_POST['attribute_type'] ) ? sanitize_text_field( wp_unslash( $_POST['attribute_type'] ) ) : 'select';

if ( ! taxonomy_exists( $taxonomy ) ) {
			wp_send_json_error( esc_html__( 'Taxonomy is not exists', 'wcboost-variation-swatches' ) );
		}

if ( term_exists( $name, $taxonomy ) ) {
			wp_send_json_error( esc_html__( 'This term is already exists', 'wcboost-variation-swatches' ) );
		}

$swatches = empty( $_POST[ 'swatches_' . $type ] ) ? null : [ 'type' => $type, 'value' => sanitize_text_field( wp_unslash( $_POST[ 'swatches_' . $type ] ) ) ];
		$term     = Term_Meta::instance()->insert_term( $name, $taxonomy, $swatches );

if ( ! is_wp_error( $term ) ) {
			wp_send_json_success( [
				'message' => esc_html__( 'Added successfully', 'wcboost-variation-swatches' ),
				'term_id' => $term['term_id'],
			] );
		} else {
			wp_send_json_error( [
				'message' => $term->get_error_message(),
			] );
		}
	}

/**
	 * Print HTML of modal at admin footer and add js templates.
	 * There is no <form> tag to avoid unexpected behaviours if js is disabled.
	 */
	public function dialog_new_term() {
		global $pagenow, $thepostid;

if ( ! in_array( $pagenow, [ 'post.php', 'post-new.php' ], true ) || get_post_type( $thepostid ) !== 'product' ) {
			return;
		}
		?>

<fieldset class="form-field form-field__swatches">
						<?php
						Term_Meta::swatches_field( [
							'type'  => 'color',
							'label' => esc_html__( 'Color', 'wcboost-variation-swatches' ),
							'name'  => 'swatches_color',
							'value' => '',
						] );

Term_Meta::swatches_field( [
							'type'  => 'image',
							'label' => esc_html__( 'Image', 'wcboost-variation-swatches' ),
							'name'  => 'swatches_image',
							'value' => '',
						] );

Term_Meta::swatches_field( [
							'type'  => 'label',
							'label' => esc_html__( 'Label', 'wcboost-variation-swatches' ),
							'name'  => 'swatches_label',
							'value' => '',
						] );
						?>
					</fieldset>

<?php
	}
}

Product_Data::instance();