<?php
if ( ! class_exists( 'glaza_widget_sb_post' ) ) {
	class glaza_widget_sb_post extends WP_Widget {

		function __construct() {
			$widget_ops = array(
				'classname'   => 'widget-sb-post',
				'description' => esc_html__( '[Sidebar Widget] Display blog listings with custom query in the sidebar.', 'glaza-core' )
			);

			parent::__construct( 'sb_post', esc_html__( '[Sidebar] Post Listing', 'glaza-core' ), $widget_ops );
		}


		function widget( $args, $instance ) {

			if ( ! function_exists( 'glaza_widget_post' ) ) {
				return false;
			}

			echo $args['before_widget'];

			$instance = wp_parse_args( $instance, array(
				'title'          => '',
				'style'          => '',
				'category'       => '',
				'categories'     => '',
				'tags'           => '',
				'post_format'    => 0,
				'posts_per_page' => 4,
				'offset'         => 0,
				'orderby'        => 'date_post'
			) );

			$instance['title']    = apply_filters( 'widget_title', $instance['title'] );
			$instance['block_id'] = $args['widget_id'];

			if ( ! empty( $instance['title'] ) ) {
				echo $args['before_title'] . esc_html( $instance['title'] ) . $args['after_title'];
			} ?>
			<div class="widget-post-content">
				<?php glaza_widget_post( $instance ); ?>
			</div>
			<?php echo $args['after_widget'];
		}


		function update( $new_instance, $old_instance ) {

			$instance = $old_instance;

			$instance['title']          = strip_tags( $new_instance['title'] );
			$instance['style']          = strip_tags( $new_instance['style'] );
			$instance['category']       = strip_tags( $new_instance['category'] );
			$instance['categories']     = strip_tags( $new_instance['categories'] );
			$instance['tags']           = strip_tags( $new_instance['tags'] );
			$instance['post_format']    = strip_tags( $new_instance['post_format'] );
			$instance['posts_per_page'] = absint( strip_tags( $new_instance['posts_per_page'] ) );
			$instance['offset']         = absint( strip_tags( $new_instance['offset'] ) );
			$instance['orderby']        = strip_tags( $new_instance['orderby'] );

			return $instance;
		}


		function form( $instance ) {
			$defaults = array(
				'title'          => esc_html__( 'Latest Posts', 'glaza-core' ),
				'style'          => '',
				'category'       => '',
				'categories'     => '',
				'tags'           => '',
				'post_format'    => 0,
				'posts_per_page' => 4,
				'offset'         => 0,
				'orderby'        => 'date_post'
			);
			$instance = wp_parse_args( (array) $instance, $defaults ); ?>
			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'title' )); ?>"><?php esc_html_e('Title:','glaza-core') ?></label>
				<input type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'title' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'title' )); ?>" value="<?php if(!empty($instance['title'])) echo esc_attr($instance['title']); ?>" />
			</p>
			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'style' )); ?>"><strong><?php esc_html_e('Blog Style:', 'glaza-core'); ?></strong></label>
				<select class="widefat" id="<?php echo esc_attr($this->get_field_id( 'style' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'style' )); ?>" >
					<option value="1" <?php if( !empty($instance['style']) && $instance['style'] == '1' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Style 1', 'glaza-core'); ?></option>
					<option value="2" <?php if( !empty($instance['style']) && $instance['style'] == '2' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Style 2', 'glaza-core'); ?></option>
				</select>
			</p>

			<p>
				<label for="<?php echo esc_attr($this->get_field_id('category')); ?>"><strong><?php esc_html_e('Category Filter:', 'glaza-core'); ?></strong></label>
				<select class="widefat" id="<?php echo esc_attr($this->get_field_id('category')); ?>" name="<?php echo esc_attr($this->get_field_name('category')); ?>">
					<option value='all' <?php if ($instance['category'] == 'all') echo 'selected="selected"'; ?>><?php esc_html_e('All Categories', 'glaza-core'); ?></option>
					<?php $categories = get_categories('type=post'); foreach ($categories as $category) { ?><option  value='<?php echo esc_attr($category->term_id); ?>' <?php if ($instance['category'] == $category->term_id) echo 'selected="selected"'; ?>><?php echo esc_attr($category->cat_name); ?></option><?php } ?>
				</select>
			</p>

			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'categories' )); ?>"><?php esc_html_e('Multiple Category Filter (optional, Input category ids, separated by comma. example: 1,2):','glaza-core') ?></label>
				<input type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'categories' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'categories' )); ?>" value="<?php if( !empty($instance['categories']) ) echo esc_attr($instance['categories']); ?>" />
			</p>
			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'tags' )); ?>"><?php esc_html_e('Tags (optional, Separate tags with comma. e.g. tag1,tag2):','glaza-core') ?></label>
				<input type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'tags' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'tags' )); ?>" value="<?php if( !empty($instance['tags']) ) echo esc_attr($instance['tags']); ?>" />
			</p>
			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'post_format' )); ?>"><?php esc_html_e('Post Format Filter:', 'glaza-core'); ?></label>
				<select class="widefat" id="<?php echo esc_attr($this->get_field_id( 'post_format' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'post_format' )); ?>" >
					<option value="0" <?php if( !empty($instance['post_format']) && $instance['post_format'] == '0' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('-- All --', 'glaza-core'); ?></option>
					<option value="default" <?php if( !empty($instance['post_format']) && $instance['post_format'] == 'default' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Default', 'glaza-core'); ?></option>
					<option value="gallery" <?php if( !empty($instance['post_format']) && $instance['post_format'] == 'gallery' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Gallery', 'glaza-core'); ?></option>
					<option value="video" <?php if( !empty($instance['post_format']) && $instance['post_format'] == 'video' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Video', 'glaza-core'); ?></option>
					<option value="audio" <?php if( !empty($instance['post_format']) && $instance['post_format'] == 'audio' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Audio', 'glaza-core'); ?></option>
				</select>
			</p>
			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'posts_per_page' )); ?>"><?php esc_html_e('Limit Post Number (optional, default is 4):','glaza-core') ?></label>
				<input type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'posts_per_page' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'posts_per_page' )); ?>" value="<?php if( !empty($instance['posts_per_page']) ) echo esc_attr($instance['posts_per_page']); ?>" />
			</p>
			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'offset' )); ?>"><?php esc_html_e('Post Offset (optional):','glaza-core') ?></label>
				<input type="text" class="widefat" id="<?php echo esc_attr($this->get_field_id( 'offset' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'offset' )); ?>" value="<?php if( !empty($instance['offset']) ) echo esc_attr($instance['offset']); ?>" />
			</p>
			<p>
				<label for="<?php echo esc_attr($this->get_field_id( 'orderby' )); ?>"><?php esc_html_e('Order By:', 'glaza-core'); ?></label>
				<select class="widefat" id="<?php echo esc_attr($this->get_field_id( 'orderby' )); ?>" name="<?php echo esc_attr($this->get_field_name( 'orderby' )); ?>" >
					<option value="date_post" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'date' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Latest Post', 'glaza-core'); ?></option>
					<option value="comment_count" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'comment_count' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Popular Comment', 'glaza-core'); ?></option>
					<option value="popular" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'popular' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Popular View', 'glaza-core'); ?></option>
					<option value="top_review" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'top_review' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Top Review', 'glaza-core'); ?></option>
					<option value="last_review" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'last_review' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Latest Review', 'glaza-core'); ?></option>
					<option value="post_type" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'post_type' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Post Type', 'glaza-core'); ?></option>
					<option value="rand" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'rand' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Random Post', 'glaza-core'); ?></option>
					<option value="author" <?php if( !empty($instance['author']) && $instance['orderby'] == 'author' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('Author', 'glaza-core'); ?></option>
					<option value="alphabetical_order_asc" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'alphabetical_order_asc' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('alphabetical A->Z Posts', 'glaza-core'); ?></option>
					<option value="alphabetical_order_decs" <?php if( !empty($instance['orderby']) && $instance['orderby'] == 'alphabetical_order_decs' ) echo "selected=\"selected\""; else echo ""; ?>><?php esc_html_e('alphabetical Z->A Posts', 'glaza-core'); ?></option>
				</select>
			</p>
		<?php
		}
	}
}