<?php
/**
 * Brands Thumbnail Widget
 *
 * @author Your Inspiration Themes
 * @package YITH WooCommerce Brands Add-on
 * @version 1.0.0
 */

/*
 * This file belongs to the YIT Framework.
 *
 * This source file is subject to the GNU GENERAL PUBLIC LICENSE (GPL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.gnu.org/licenses/gpl-3.0.txt
 */

if ( ! defined( 'YITH_WCBR' ) ) {
	exit;
} // Exit if accessed directly

if ( ! class_exists( 'YITH_WCBR_Brand_Thumbnail_Widget' ) ) {
	/**
	 * WooCommerce Brands Thumbnail Widget
	 *
	 * @since 1.0.0
	 */
	class YITH_WCBR_Brand_Thumbnail_Widget extends WP_Widget {

		/**
		 * Register widget with WordPress.
		 *
		 * @return \YITH_WCBR_Brand_Thumbnail_Widget
		 * @since 1.0.0
		 */
		public function __construct(){
			parent::__construct(
				'yith_wcbr_brands_thumbnail',
				__( 'YITH Brand Thumbnail', 'yith-woocommerce-brands-add-on' ),
				array(
					'description' => __( 'Add a grid of brand thumbnails', 'yith-woocommerce-brands-add-on' )
				)
			);
		}

		/**
		 * Front-end display of widget.
		 *
		 * @see WP_Widget::widget()
		 *
		 * @param array $args     Widget arguments.
		 * @param array $instance Saved values from database.
		 *
		 * @return void
		 * @since 1.0.0
		 */
		public function widget( $args, $instance ) {
			$title = '';
			
			// translate widget title
			if( isset( $instance['title'] ) ){
				$title = $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ) . $args['after_title'];
				unset( $instance['title'] );
			}

			if( isset( $instance['brand'] ) && empty( $instance['brand'] ) ){
			    unset( $instance['brand'] );
            }

			// parse args
			$shortcode_atts_string = '';
			$shortcode_atts = shortcode_atts( array(
				'autosense_category' => 'no',   // yes - no (if yes, on product category page, ignores "category" options, and shows only brands for current category)
				'category' => 'all',            // all - a list of comma separated valid category slug
				'brand' => 'all',               // all - a list of comma separated valid brand slug
				'per_page' => 0,
				'hide_empty' => 'no',           // yes - no
				'hide_no_image' => 'no',        // yes - no
				'cols' => 2,                    // int
				'style' => 'default',           // default - big-header - small-header - shadow - box - highlight
				'orderby' => 'none',            // terms ordering name - slug - term_group - term_id - id - description
				'order' => 'ASC'                // order ascending or descending
			), $instance );

			foreach( $shortcode_atts as $key => $value ){
				$shortcode_atts_string .= $key . '="' . $value . '" ';
			}

			echo $args['before_widget'];
			echo $title;
			echo do_shortcode( "[yith_wcbr_brand_thumbnail  $shortcode_atts_string]" );
			echo $args['after_widget'];
		}

		/**
		 * Back-end widget form.
		 *
		 * @see WP_Widget::form()
		 *
		 * @param array $instance Previously saved values from database.
		 *
		 * @return void
		 * @since 1.0.0
		 */
		public function form( $instance ) {
			$title = ! empty( $instance['title'] ) ? $instance['title'] : '';
			$hide_empty = isset( $instance['hide_empty'] ) && $instance['hide_empty'] == 'yes';
			$hide_no_image = isset( $instance['hide_no_image'] ) && $instance['hide_no_image'] == 'yes';
			$autosense_category = isset( $instance['autosense_category'] ) && $instance['autosense_category'] == 'yes';
			$category = ! empty( $instance['category'] ) ? $instance['category'] : '';
			$brand = ! empty(  $instance['brand'] ) ?  $instance['brand'] : '';
			$style = ! empty( $instance['style'] ) ? $instance['style'] : 'default';
			$orderby = ! empty( $instance['orderby'] ) && in_array( $instance['orderby'], array( 'name', 'slug', 'term_group', 'term_id', 'id', 'description' ) ) ? $instance['orderby'] : 'none';
			$order = ! empty( $instance['order'] ) && in_array( $instance['order'], array( 'ASC', 'DESC' ) ) ? $instance['order'] : 'ASC';
			$per_page = isset( $instance['per_page'] ) ? $instance['per_page'] : '0';

			?>
			<p>
				<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'yith-woocommerce-brands-add-on' ); ?></label>
				<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>">
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'hide_empty' ); ?>">
					<input class="widefat" id="<?php echo $this->get_field_id( 'hide_empty' ); ?>" name="<?php echo $this->get_field_name( 'hide_empty' ); ?>" type="checkbox" value="yes" <?php checked( $hide_empty ) ?>>
					<?php _e( 'Hide empty', 'yith-woocommerce-brands-add-on' ); ?>
				</label><br />
				<small><?php _e( 'Hide brands without products associated', 'yith-woocommerce-brands-add-on' ) ?></small>
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'hide_no_image' ); ?>">
					<input class="widefat" id="<?php echo $this->get_field_id( 'hide_no_image' ); ?>" name="<?php echo $this->get_field_name( 'hide_no_image' ); ?>" type="checkbox" value="yes" <?php checked( $hide_no_image ) ?>>
					<?php _e( 'Hide term without images', 'yith-woocommerce-brands-add-on' ); ?>
				</label><br />
				<small><?php _e( 'Hide brands with no associated images', 'yith-woocommerce-brands-add-on' ) ?></small>
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'autosense_category' ); ?>">
					<input class="widefat" id="<?php echo $this->get_field_id( 'autosense_category' ); ?>" name="<?php echo $this->get_field_name( 'autosense_category' ); ?>" type="checkbox" value="yes" <?php checked( $autosense_category ) ?>>
					<?php _e( 'Autosense category', 'yith-woocommerce-brands-add-on' ); ?>
				</label><br />
				<small><?php _e( 'On product category page, ignore category option and filter brands for current category', 'yith-woocommerce-brands-add-on' ) ?></small>
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'category' ); ?>"><?php _e( 'Category:' ); ?></label>
				<input class="widefat" type="text" id="<?php echo $this->get_field_id( 'category' ); ?>" name="<?php echo $this->get_field_name( 'category' ); ?>" value="<?php echo esc_attr( $category ) ?>" />
				<small><?php _e( 'Comma separated list of valid product category slugs, to filter brands; leave it empty if you don\'t want to filter brands by category', 'yith-woocommerce-brands-add-on' ) ?></small>
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'brand' ); ?>"><?php _e( 'Brands:' ); ?></label>
				<input class="widefat" type="text" id="<?php echo $this->get_field_id( 'brand' ); ?>" name="<?php echo $this->get_field_name( 'brand' ); ?>" value="<?php echo esc_attr( $brand ) ?>" />
				<small><?php _e( 'Comma separated list of valid product brands slugs, to show in the widget; leave it empty to show all', 'yith-woocommerce-brands-add-on' ) ?></small>
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'style' ); ?>"><?php _e( 'Style:', 'yith-woocommerce-brands-add-on' ); ?></label>
				<select class="widefat" id="<?php echo $this->get_field_id( 'style' ); ?>" name="<?php echo $this->get_field_name( 'style' ); ?>">
					<option value="default" <?php selected( $style, 'default' ) ?> ><?php _e( 'Default', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="boxed" <?php selected( $style, 'boxed' ) ?> ><?php _e( 'Boxed', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="shadow" <?php selected( $style, 'shadow' ) ?> ><?php _e( 'Shadow', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="borderless" <?php selected( $style, 'borderless' ) ?> ><?php _e( 'Borderless', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="top-border" <?php selected( $style, 'top-border' ) ?> ><?php _e( 'Top Border', 'yith-woocommerce-brands-add-on' ) ?></option>
				</select>
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'orderby' ); ?>"><?php _e( 'Order By:', 'yith-woocommerce-brands-add-on' ); ?></label>
				<select class="widefat" id="<?php echo $this->get_field_id( 'orderby' ); ?>" name="<?php echo $this->get_field_name( 'orderby' ); ?>">
					<option value="none" <?php selected( $orderby, 'none' ) ?> ><?php _e( 'None', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="name" <?php selected( $orderby, 'name' ) ?> ><?php _e( 'Name', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="slug" <?php selected( $orderby, 'slug' ) ?> ><?php _e( 'Slug', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="term_group" <?php selected( $orderby, 'term_group' ) ?> ><?php _e( 'Term Group', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="term_id" <?php selected( $orderby, 'term_id' ) ?> ><?php _e( 'Term ID', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="description" <?php selected( $orderby, 'top-description' ) ?> ><?php _e( 'Description', 'yith-woocommerce-brands-add-on' ) ?></option>
				</select>
			</p>
			<p>
				<label for="<?php echo $this->get_field_id( 'order' ); ?>"><?php _e( 'Order:', 'yith-woocommerce-brands-add-on' ); ?></label>
				<select class="widefat" id="<?php echo $this->get_field_id( 'order' ); ?>" name="<?php echo $this->get_field_name( 'order' ); ?>">
					<option value="ASC" <?php selected( $order, 'ASC' ) ?> ><?php _e( 'Ascendant', 'yith-woocommerce-brands-add-on' ) ?></option>
					<option value="DESC" <?php selected( $order, 'DESC' ) ?> ><?php _e( 'Descendant', 'yith-woocommerce-brands-add-on' ) ?></option>
				</select>
			</p>

            <p>
                <label for="<?php echo $this->get_field_id( 'per_page' ); ?>"><?php _e( 'Per page:' ); ?></label>
                <input class="widefat" type="number" id="<?php echo $this->get_field_id( 'per_page' ); ?>" name="<?php echo $this->get_field_name( 'per_page' ); ?>" value="<?php echo esc_attr( $per_page ) ?>" />
            </p>
		<?php
		}

		/**
		 * Sanitize widget form values as they are saved.
		 *
		 * @see WP_Widget::update()
		 *
		 * @param array $new_instance Values just sent to be saved.
		 * @param array $old_instance Previously saved values from database.
		 *
		 * @return array Updated safe values to be saved.
		 * @since 1.0.0
		 */
		public function update( $new_instance, $old_instance ){
			$instance = array();
			$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
			$instance['hide_empty'] = $new_instance['hide_empty'] == 'yes' ? 'yes' : 'no';
			$instance['hide_no_image'] = $new_instance['hide_no_image'] == 'yes' ? 'yes' : 'no';
			$instance['autosense_category'] = $new_instance['autosense_category'] == 'yes' ? 'yes' : 'no';
			$instance['category'] = ! empty( $new_instance['category'] ) ? $new_instance['category'] : '';
			$instance['brand'] = ! empty( $new_instance['brand'] ) ? $new_instance['brand'] : '';
			$instance['style'] = ! empty( $new_instance['style'] ) && in_array( $new_instance['style'], array( 'default', 'shadow', 'boxed', 'borderless', 'top-border' ) ) ? $new_instance['style'] : 'default';
			$instance['orderby'] = ! empty( $new_instance['orderby'] ) && in_array( $new_instance['orderby'], array( 'name', 'slug', 'term_group', 'term_id', 'id', 'description' ) ) ? $new_instance['orderby'] : 'none';
			$instance['order'] = ! empty( $new_instance['order'] ) && in_array( $new_instance['order'], array( 'ASC', 'DESC' ) ) ? $new_instance['order'] : 'ASC';
            $instance['per_page'] = ! empty( $new_instance['per_page'] ) ? $new_instance['per_page'] : '0';


            return $instance;
		}
	}
}