<?php

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

/**
 * Image Gallery Element
 *
 */
class Powerfolio_Product_Grid {	
	

	public static function get_product_grid_template($settings) {   

		//Grid Classes
		$grid_classes_array[] = '';
		$grid_classes_array[] = 'pwgd-post-grid-cols';
		$grid_classes_array[] = $settings['columns'];
		$grid_classes_array[] = $settings['grid_style'];

		if ( ! array_key_exists('showfilter', $settings) ) {
			$settings['showfilter'] = '';
		}

		//Grid or float (for masonry)
		$grid_format_class = 'pwgd-post-grid-cols-grid';
		$grid_content_classes_array[] = '';
		if ( $settings['showfilter'] == 'yes' || $settings['grid_style'] == 'grid-style-masonry' ) { 
			$grid_format_class = 'pwgd-post-grid-cols-float';  
			$grid_content_classes_array[] = 'pwgd-grid-content-isotope';
		}
		if ( $settings['showfilter'] == 'yes' && $settings['grid_style'] != 'grid-style-masonry' ) {
			$grid_classes_array[] = 'pwgd-grid-content-equalheights';  
		}
		$grid_classes_array[] = $grid_format_class;

		$grid_classes = implode(' ', $grid_classes_array);
		$grid_content_classes = implode(' ', $grid_content_classes_array);

		//Loop Variables
		$post_type = 'product';
		$postsperpage = $settings['posts_per_page'];
		$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
		$order = $settings['query_order'];
		$order_by = $settings['query_order_by'];
		
		//Loop
		// https://www.billerickson.net/code/wp_query-arguments/
		$args = array(
			'post_type' => $post_type,
			'posts_per_page' => $postsperpage,	
			'order' => $order,
			'order_by' => $order_by,
			'paged' => $paged,	
			'ignore_sticky_posts' => 1
			//'p' => $id
		); 	

		$posts_list = new WP_Query( $args );

		//Start of render structure
		$return ='';	

		$return .='<div class="pwgd-post-grid pwgd-product-grid '.$grid_classes.'">';	

			//Filter
			if ( $settings['showfilter'] == 'yes' ) {
				$return .='<div class="pwgd-posts-filter">';
				
				$all_button_data_filter = apply_filters( 'pwgd_posts_all_button_data_filter', '*' );
				$tax_text = apply_filters( 'pwgd_posts_tax_text', 'All' );

				if ($tax_text !='') {
					$return .='<button class="posts-filter-item item-active" data-filter="'.$all_button_data_filter.'" style="background-color:' .';">'.$tax_text.'</button>';
				} 

				//Get all Terms
				$terms = get_terms( array(
					'taxonomy' => 'product_cat',
					'hide_empty' => false,
					'parent' => 0
				) );

				foreach($terms as $term) {
					$term_name = $term->name;
					$term_slug = $term->slug;
					$return .='<button class="posts-filter-item" data-filter=".category_'.esc_attr($term_slug).'">'.esc_html($term_name).'</button>';
				}            
				

				$return .='</div>';
			}	

			//Grid Content
			$return .= '<div class="pwgd-post-grid-content'.$grid_content_classes.'">';

				//Item - Foreach
				if ( $posts_list->have_posts() ) :
					while ( $posts_list->have_posts() ) : $posts_list->the_post(); 

					//Product Object
					//https://www.businessbloomer.com/woocommerce-easily-get-product-info-title-sku-desc-product-object/
					$product = wc_get_product( get_the_ID() );

					//Add category class to the item
					$post_item_wrapper_classes_array = (array) null;
					$cats = get_the_terms( get_the_ID(), 'product_cat' );
					foreach( $cats as $cat){
						$post_item_wrapper_classes_array[] = 'category_'.$cat->slug;
					}
					
					$post_item_wrapper_classes = implode(' ', $post_item_wrapper_classes_array);

					$return .= '<div class="pwgd-post-grid-item-wrapper '.$post_item_wrapper_classes.'">';
						$return .= '<div class="pwgd-post-grid-item">';
						
							//Featured Image
							if( $settings['show_featured_image'] == true ) {

								$featured_image_url = get_the_post_thumbnail_url();
								$featured_img_link_css = '';
								if ($featured_image_url != '') {
									$featured_img_link_css = 'background-image: url('.$featured_image_url.');';
								} 
								else {
									//$featured_img_link_css = 'background: no-repeat center center #eee; background-image: url('.pwgd_get_plugin_directory_url().'img/product.png); background-size: auto;';
								}                         
								$return .= '<div class="pwgd-post-grid-item-img-wrapper">';
									$return .= '<a href="'.get_the_permalink().'" class="pwgd-post-grid-item-img-link" style="'.$featured_img_link_css.'"/>'; 
										if ( $product->is_on_sale() ) {
											$return .= '<span class="pwgd-on-sale-badge">'.__('Sale!','pwrgrids').'</span>'; 
										}
										$return .= '<img src="'.$featured_image_url.'"/>'; 
									$return .= '</a>'; 
								$return .= '</div>';

							}   
							
							$return .= '<div class="pwgd-post-grid-item-content">';

								//Post Meta
								$return .= '<div class="pwgd-post-grid-item-meta-wrapper">';

									//Taxonomies
									if( $settings['show_categories'] == true ) {                                                                
										$return .= '<div class="pwgd-post-grid-item-meta pwgd-post-grid-item-meta-tax">';
											$cats = get_the_terms( get_the_ID(), 'product_cat' );
											$cats_array = [];
											foreach( $cats as $cat){
												$term_link = get_term_link( $cat );
												$cats_array[] .= '<a href="'.esc_url( $term_link ).'">'.$cat->name.'</a>';
											}
											$return .= implode(', ', $cats_array );
										$return .= '</div>'; 
									}

								$return .= '</div>';

								//Post Title
								$return .= '<div class="pwgd-post-grid-item-title-wrapper">';                            
									$return .= '<h3 class="pwgd-post-grid-item-title">';
										$return .= '<a href="'.get_the_permalink().'" class="pwgd-post-grid-item-title-link"/>'.get_the_title().'</a>'; 
									$return .= '</h3>';
								$return .= '</div>';

								//Product Price
								$return .= '<div class="pwgd-post-grid-item-pricing-wrapper">';
									$return .= '<div class="pwgd-post-grid-item-pricing">';
										if ( $product->get_sale_price() ) {
											$return .= '<span class="product-price product-price-sale">'.wc_price( $product->get_sale_price() ).'</span>';
										}
										if ( $product->get_regular_price() ) {
											$return .= '<span class="product-price product-price-regular">'.wc_price( $product->get_regular_price() ).'</span>';
										}
										else {
											$return .= '<span class="product-price product-price-regular">'.wc_price( $product->get_price() ).'</span>';
										}
									$return .= '</div>';
								$return .= '</div>';

								//Product Rating
								/*$return .= '<div class="pwgd-post-grid-item-rating-wrapper">';
									$return .= '<div class="pwgd-post-grid-item-rating">';
										$return .= $product->get_average_rating();
									$return .= '</div>';
								$return .= '</div>';*/

								//Add to Cart                                 
								if( $product->is_type( 'simple' ) ){
									$btn_text = __('Add to Cart', 'pwrgrids');
									$btn_link = do_shortcode('[add_to_cart_url id="'.get_the_ID().'"]');
								}   
								else {
									$btn_text = __('Select Options', 'pwrgrids');
									$btn_link = get_the_permalink();
								}                 
														
								if( $settings['show_btn'] == true ) {  
									$return .= '<div class="pwgd-post-grid-item-btn-wrapper pwgd-product-grid-add-to-cart-wrapper">';
										//Add to cart button
										//$return .= do_shortcode('[add_to_cart id="'.get_the_ID().'" style=""]');
										$return .= '<a href="'.$btn_link.'" class="pwgd-post-grid-item-btn pwgd-product-grid-add-to-cart-btn">'.$btn_text.'</a>';
									$return .= '</div>';          
								}      

							$return .= '</div>';
						$return .= '</div>';
					$return .= '</div>';

					endwhile;
				$return .= '</div>';
				//End of Grid Content
					

				//Pagination goes here            
				if( $settings['show_pagination'] == true ) {
					$return .= '<div class="pwgd-post-grid-pagination">';

						$btn_text_previous = '<i class="fas fa-arrow-left"></i> '.__('Previous','pwrgrids');
						$btn_text_next = __('Next ','pwrgrids').'<i class="fas fa-arrow-right"></i>';

						if ( \Elementor\Plugin::$instance->editor->is_edit_mode() ) {
							$return .= '<a href="#">'.$btn_text_previous.'</a>';
							$return .= '<a href="#">'.$btn_text_next.'</a>';
						} 
						else {
							$return .= get_previous_posts_link( $btn_text_previous  );
							$return .= get_next_posts_link( $btn_text_next , $posts_list->max_num_pages );
						}
					
									
					$return .= '</div>';
				}

				wp_reset_postdata();
			endif;     
		
		$return .='</div>';	

		return wp_kses_post($return);
	}
}