<?php

add_filter('body_class','wsds_widget_add_class');
function wsds_widget_add_class($wsds_classes){

		if ( is_active_widget(false, false, 'woocommerce_sale_discount_products', true) ) {
			$wsds_classes[] = 'woocommerce woocommerce-page';
		}
		return $wsds_classes;
}  

// register Widget Woocommerce_Sale_Discount_Products
add_action( 'widgets_init', function(){
	register_widget( 'Woocommerce_Sale_Discount_Products' );
});

class Woocommerce_Sale_Discount_Products extends WP_Widget {

	public function __construct() {
		
		$widget_ops = array( 
		'classname' => 'woocommerce_sale_discount_products',
		'description' => 'A Widget to display woocommerce products list are on sale discount and future sale discount.',
		);
		parent::__construct( 'Woocommerce_Sale_Discount_Products', 'Woocommerce Sale Discount Products', $widget_ops );
		
	}
	         

	public function widget( $args, $instance ) {
			extract( $args );
			$wsds_title = apply_filters('widget_title', $instance['wsds_title']);
			$wsds_limit = $instance['wsds_limit'];
			$wsds_on_sale=$instance[ 'wsds_on_sale' ] ? 'true' : 'false';
			$wsds_future_sale=$instance[ 'wsds_future_sale' ] ? 'true' : 'false';
			$flag="";
			$flag_all="";
			?>
			<?php echo $before_widget; ?>
			<?php if ( $wsds_title ){
					echo $before_title . $wsds_title . $after_title;
						 if($wsds_on_sale=='true'){
							 $flag=1; 
						  }
						  if($wsds_future_sale=='true'){
							 $flag=0; 
						  }
							if($wsds_on_sale=='true' && $wsds_future_sale=='true'){
							 $flag_all=1; 
						  }
							if($flag_all==1)
							{
								$args = array(
										'post_type'      => 'product',
										'posts_per_page'=> $wsds_limit,
										'meta_query' => 
												array(
														'relation' => 'AND',
														array(
															'key'     => 'wsds_schedule_sale_status',
															'value'   => 1,
															'compare' => '=',
														),
														
												),
												
											
									);
							}
							else
							{
								$args = array(
										'post_type'      => 'product',
										'posts_per_page'=> $wsds_limit,
										'meta_query' => 
												array(
														'relation' => 'AND',
														array(
															'key'     => 'wsds_schedule_sale_status',
															'value'   => 1,
															'compare' => '=',
														),
														array(
															'key'     => 'wsds_schedule_sale_mode',
															'value'   => $flag,
															'compare' => '=',		
														),
											
											),
												
											
									);
							}
							//print_r($args);
							
							$loop = new WP_Query( $args );
							if ( $loop->have_posts() ) {
								?>
							 <ul class ="products columns-1"><?php
								while ( $loop->have_posts() ) : $loop->the_post();
									
									woocommerce_get_template_part( 'content', 'product' );
									
								endwhile;
								?> </ul><?php
							} else {
								echo __( 'No products found' );
							}
							wp_reset_postdata();
							echo $after_widget; 
			}
	}
	
	public function form( $instance ) {
		$wsds_title = esc_attr($instance['wsds_title']);
        $wsds_limit = esc_attr($instance['wsds_limit']);
        $wsds_on_sale = esc_attr($instance['wsds_on_sale']);
        $wsds_future_sale = esc_attr($instance['wsds_future_sale']);
        ?>
            <p>
				<label for="<?php echo $this->get_field_id('wsds_title'); ?>"><?php _e('Title:'); ?> 
					<input class="wsds_widget_title" id="<?php echo $this->get_field_id('wsds_title'); ?>" name="<?php echo $this->get_field_name('wsds_title'); ?>" type="text" value="<?php echo $wsds_title; ?>" />
				</label>
			</p>
     		<p>
				<label for="<?php echo $this->get_field_id('wsds_limit'); ?>"><?php _e('Limit:'); ?> 
					<input class="wsds_widget_limit" id="<?php echo $this->get_field_id('wsds_limit'); ?>" name="<?php echo $this->get_field_name('wsds_limit'); ?>" type="number" value="<?php echo $wsds_limit; ?>" size="2" />
				</label>
			</p>
			<p>
				<input class="wsds_widget_on_sale" type="checkbox" <?php checked( $instance[ 'wsds_on_sale' ], 'on' ); ?> id="<?php echo $this->get_field_id( 'wsds_on_sale' ); ?>" name="<?php echo $this->get_field_name( 'wsds_on_sale' ); ?>" />
				<label for="<?php echo $this->get_field_id('wsds_on_sale'); ?>"><?php _e('ON Sale'); ?> 
				</label>
			</p>
			<p>
				
				<input class="wsds_widget_future_sale" type="checkbox" <?php checked( $instance[ 'wsds_future_sale' ], 'on' ); ?> id="<?php echo $this->get_field_id( 'wsds_future_sale' ); ?>" name="<?php echo $this->get_field_name( 'wsds_future_sale' ); ?>" />
				<label for="<?php echo $this->get_field_id('wsds_future_sale'); ?>"><?php _e('Future Sale'); ?> 
				</label>
			</p>
        
		<?php
	}
	public function update( $new_instance, $old_instance ) {
		$instance = array();
		$instance['wsds_title'] = ( ! empty( $new_instance['wsds_title'] ) ) ? strip_tags( $new_instance['wsds_title'] ) : '';
		$instance['wsds_limit'] = ( ! empty ( $new_instance['wsds_limit'] ) ) ? strip_tags($new_instance['wsds_limit'] ) : '';
		$instance['wsds_on_sale'] = ( ! empty ( $new_instance['wsds_on_sale'] ) ) ? strip_tags($new_instance['wsds_on_sale'] ) : '';
		$instance['wsds_future_sale'] = ( ! empty ( $new_instance['wsds_future_sale'] ) ) ? strip_tags($new_instance['wsds_future_sale'] ) : '';
		return $instance;
	}
}