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

		public function __construct() {
			parent::__construct(
				'related_posts_widget', // Base ID
				esc_html__('Subway Related Posts', 'subway'), // Name
				array('description' => esc_html__('Related Posts Widget', 'subway'),) // Args
			);
		}

		public function widget($args, $instance) {
			global $post;
			extract($args);
			$title = apply_filters('widget_title', empty($instance['title']) ? esc_html__('Related Posts', 'subway') : $instance['title'], $instance, $this->id_base);
			if (empty($instance['number']) || !$number = absint($instance['number']))
				$number = 10;

			echo wp_kses_post($before_widget);
			if (!empty($title))
				echo wp_kses_post($before_title) . wp_kses_post($title) . wp_kses_post($after_title); ?>

			<?php

			$tags = wp_get_post_tags(get_the_ID());

			if ($tags) {

				$tag_ids = array();
				foreach ($tags as $individual_tag) $tag_ids[] = $individual_tag->term_id;
				$args = array(
					'tag__in' => $tag_ids,
					'post__not_in' => array(get_the_ID()),
					'posts_per_page' => $number // Number of related posts to display.
				);
				$related_query = new WP_Query($args);
				if ($related_query->have_posts()) {
					?>


					<?php
					while ($related_query->have_posts()) : $related_query->the_post();
						?>
						<div class="post no_image">
							<div class="text">
								<a href="<?php the_permalink() ?>"> <?php the_title(); ?> </a>
							</div>
						</div>
						<?php
					endwhile;
					?>


				<?php }
				wp_reset_postdata();
			}
			?>
			<?php echo wp_kses_post($after_widget);
		}


		public function update($new_instance, $old_instance) {
			$instance = array();
			$instance['title'] = strip_tags($new_instance['title']);
			$instance['number'] = (int)$new_instance['number'];
			return $instance;
		}

		public function form($instance) {
			$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
			$number = isset($instance['number']) ? absint($instance['number']) : 5;
			?>
			<p>
				<label
					for="<?php echo esc_attr($this->get_field_id('title')); ?>"><?php esc_html_e('Title:', 'subway'); ?></label>
				<input class="widefat" id="<?php echo esc_attr($this->get_field_id('title')); ?>"
				       name="<?php echo esc_attr($this->get_field_name('title')); ?>" type="text"
				       value="<?php echo esc_attr($title); ?>"/>
			</p>
			<p>
				<label
					for="<?php echo esc_attr($this->get_field_id('title')); ?>"><?php esc_html_e('Number of posts:', 'subway'); ?></label>
				<input class="widefat" id="<?php echo esc_attr($this->get_field_id('number')); ?>"
				       name="<?php echo esc_attr($this->get_field_name('number')); ?>" type="text"
				       value="<?php echo esc_attr($number); ?>"/>
			</p>
			<?php
		}

	}
}