<?php
/**
 * Featured service widget to show pages.
 */

class accelerate_image_service_widget extends WP_Widget {
	function __construct() {
		$widget_ops = array(
			'classname'                   => 'widget_image_service_block',
			'description'                 => __( 'Display some pages as services. Best for Business Top or Bottom sidebar.', 'accelerate' ),
			'customize_selective_refresh' => true,
		);
		$control_ops = array( 'width' => 200, 'height' =>250 );
		parent::__construct( false, $name = __( 'TG: Image Services', 'accelerate' ), $widget_ops, $control_ops);
	}

	function form( $instance ) {
		for ( $i=0; $i<6; $i++ ) {
			$var = 'page_id'.$i;
			$defaults[$var] = '';
		}
		$defaults['display_read_more'] = 0;
		$instance = wp_parse_args( (array) $instance, $defaults );
		for ( $i=0; $i<6; $i++ ) {
			$var = 'page_id'.$i;
			$var = absint( $instance[ $var ] );
		}
		$display_read_more = $instance['display_read_more'] ? 'checked="checked"' : '';

		for( $i=0; $i<6; $i++) { ?>
			<p>
				<label for="<?php echo $this->get_field_id( key($defaults) ); ?>"><?php _e( 'Page', 'accelerate' ); ?>:</label>
				<?php wp_dropdown_pages( array( 'show_option_none' =>' ','name' => $this->get_field_name( key($defaults) ), 'selected' => $instance[key($defaults)] ) ); ?>
			</p>
			<?php
			next( $defaults );// forwards the key of $defaults array
		} ?>
		<p>
			<input class="checkbox" type="checkbox" <?php echo $display_read_more; ?> id="<?php echo $this->get_field_id( 'display_read_more' ); ?>" name="<?php echo $this->get_field_name( 'display_read_more' ); ?>" /> <label for="<?php echo $this->get_field_id( 'display_read_more' ); ?>"><?php _e( 'Display Read more', 'accelerate' ); ?></label>
		</p>
	<?php }

	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		for( $i=0; $i<6; $i++ ) {
			$var = 'page_id'.$i;
			$instance[ $var] = absint( $new_instance[ $var ] );
		}
		$instance[ 'display_read_more' ] = isset( $new_instance[ 'display_read_more' ] ) ? 1 : 0;

		return $instance;
	}

	function widget( $args, $instance ) {
		extract( $args );
		extract( $instance );

		global $post;
		$page_array = array();
		for( $i=0; $i<6; $i++ ) {
			$var = 'page_id'.$i;
			$page_id = isset( $instance[ $var ] ) ? $instance[ $var ] : '';

			if( !empty( $page_id ) )
				array_push( $page_array, $page_id );// Push the page id in the array
		}
		$display_read_more = !empty( $instance[ 'display_read_more' ] ) ? 1 : 0;
		$get_featured_pages = new WP_Query( array(
			'posts_per_page' 			=> -1,
			'post_type'					=>  array( 'page' ),
			'post__in'		 			=> $page_array,
			'orderby' 		 			=> 'post__in'
		) );
		echo $before_widget; ?>
		<?php
		$j = 1;
		while( $get_featured_pages->have_posts() ):$get_featured_pages->the_post();
			$page_title = get_the_title();
			if( $j % 3 == 0 ) {
				$service_class = "tg-one-third tg-one-third-last";
			}
			else
				if ( $j % 3 == 1 && $j > 1 ) {
					$service_class = "tg-one-third tg-after-three-blocks-clearfix";
				}
				else {
					$service_class = "tg-one-third";
				}
			?>
			<div class="<?php echo $service_class; ?>">
				<?php
				if ( has_post_thumbnail() ) {
					$title_attribute = get_the_title();
					$thumb_id = get_post_thumbnail_id( get_the_ID() );
					$img_altr = get_post_meta( $thumb_id, '_wp_attachment_image_alt', true );
					$img_alt = ! empty( $img_altr ) ? $img_altr : $title_attribute;
					$post_thumbnail_attr = array(
						'alt'   => esc_attr( $img_alt ),
					);
					?>
					<a title="<?php the_title_attribute(); ?>" href="<?php the_permalink(); ?>"><?php echo'<div class="service-image">'.get_the_post_thumbnail( $post->ID, 'featured-service', $post_thumbnail_attr ).'</div>';
						?>
					</a>
					<?php
				}
				?>
				<h2 class="entry-title"><a title="<?php the_title_attribute(); ?>" href="<?php the_permalink(); ?>"><?php echo esc_html( $page_title ); ?></a></h2>
				<?php the_excerpt(); ?>

				<?php if( $display_read_more ) { ?>
					<a class="more-link" title="<?php the_title_attribute(); ?>" href="<?php the_permalink(); ?>"><?php echo '<span>'.__( 'Read more', 'accelerate' ).'</span>' ?></a>
				<?php } ?>

			</div>
			<?php $j++; ?>
		<?php endwhile;
		// Reset Post Data
		wp_reset_postdata();
		?>
		<?php
		echo $after_widget;
	}
}