<?php

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


class EasyMega_Menu_Item
{
	public $item;
	public $mega_menu_settings;
	public $mega_menu_post;
	function __construct($menu_item)
	{
		$this->item = $menu_item;
		$this->setup_widget_classes();
		$this->setup_settings();
		$this->setup_post_query();
	}

	public function render()
	{
		$html = $this->render_mega_content();
		return $html;
	}

	function setup_settings()
	{
		$default = array(
			'enable'            => '',
			'menu_type'         => '',
			'layout'            => '',
			'content_layout'    => '',
			'column_heading'    => 'hide_on_mobile',
			'content_width'     => '',
			'content_position'  => 'left',
			'bg_color'          => '',
		);
		$this->mega_menu_settings = wp_parse_args($this->item->mega_menu_settings, $default);
	}

	function setup_post_query()
	{
		$default = array(
			'post_type'         => '',
			'tax'               => '',
			'cat'               => '',
			'terms'             => '',
			'columns'           => 3,
			'tabs_layout'       => 'left',
			'show_when'         => 'hover',
			'post__in'          => '',
			'posts_per_page'    => '',
			'orderby'           => '',
			'order'             => '',
			'show_all_link'     => '',
			'all_item_text'     => esc_html__('All', 'easymega'),
			'all_item_link'     => '',
		);
		$this->mega_menu_post = wp_parse_args($this->item->mega_menu_post, $default);
		if (! $this->mega_menu_post['columns']) {
			$this->mega_menu_post['columns'] = 3;
		}
	}

	function col_settings($col_settings)
	{
		$default = array(
			'col' => 4,
			'heading' => '',
		);
		return wp_parse_args($col_settings, $default);
	}


	function setup_widget_classes()
	{
		if (! isset($GLOBALS['_registered_widgets'])) {
			$GLOBALS['_registered_widgets'] = array();
			global $wp_widget_factory;
			foreach ($wp_widget_factory->widgets as $widget_class => $settings) {
				if (class_exists($widget_class)) {
					$GLOBALS['_registered_widgets'][$settings->id_base] = $widget_class;
				}
			}
		}
	}

	function get_widget_class_by_id($widget_id)
	{
		if (! $widget_id) {
			return false;
		}
		if (! is_array($GLOBALS['_registered_widgets'])) {
			return false;
		}

		if (isset($GLOBALS['_registered_widgets'][$widget_id])) {
			return $GLOBALS['_registered_widgets'][$widget_id];
		}

		return false;
	}

	function render_widget($item)
	{
		$item = wp_parse_args(
			$item,
			array(
				'widget_id' => '',
				'settings' => array(),
			)
		);

		if (! is_array($item['settings'])) {
			$item['settings'] = array();
		}

		$widget_class = $this->get_widget_class_by_id($item['widget_id']);
		if (! $widget_class) {
			return false;
		}

		ob_start();

		$instance = $item['settings'];
		global $wp_widget_factory;

		$widget_obj = $wp_widget_factory->widgets[$widget_class];
		if (! ($widget_obj instanceof WP_Widget)) {
			return false;
		}

		$args = array(
			'before_widget' => '<div class="widget %s">',
			'after_widget'  => '</div>',
			'before_title'  => '<h2 class="widgettitle">',
			'after_title'   => '</h2>',
		);
		$args['before_widget'] = sprintf($args['before_widget'], $widget_obj->widget_options['classname']);

		$instance = wp_parse_args($instance);

		$widget_obj->widget($args, $instance);

		return ob_get_clean();
	}

	function setup_menu_item($menu_item)
	{

		if ($menu_item['type'] == 'custom' && $menu_item['menu_item_id'] == 'home') {
			if (! $menu_item['title']) {
				$menu_item['title'] = esc_html__('Home', 'easymega');
			}
			$menu_item['url'] = home_url('/');
		} elseif ($menu_item['type'] == 'custom') {

			if (! $menu_item['title']) {
				$menu_item['title'] = esc_html__('Untitled', 'easymega');
			}
			if (! $menu_item['url']) {
				$menu_item['url'] = '#';
			}
		} else {

			if ($menu_item['type'] && $menu_item['object_id']) {

				if ($menu_item['type'] == 'taxonomy') {
					$term = get_term($menu_item['object_id'], $menu_item['object']);
					if ($term && ! is_wp_error($term)) {
						$menu_item['url'] = get_term_link($term);
						if (! $menu_item['title']) {
							$menu_item['title'] = $term->name;
						}
					}
				} elseif ($menu_item['type'] == 'post_type') {
					$p = get_post($menu_item['object_id']);
					if ($p) {
						$menu_item['url'] = get_permalink($p);
					} else {
						$menu_item['title'] = apply_filters('the_title', $p->post_title, $p->ID);
					}
				}
			}
		}

		return $menu_item;
	}

	function render_menu_item($item)
	{
		$item = wp_parse_args(
			$item,
			array(
				'attr_title'        => '',
				'classes'           => '',
				'description'       => '',
				'item_type_label'   => '',
				'menu_item_id'      => '',
				'object'            => '',
				'object_id'         => '',
				'status'            => '',
				'target'            => '',
				'title'             => '',
				'type'              => '',
				'url'               => '',
				'xfn'               => '',
			)
		);

		$item = $this->setup_menu_item($item);

		if (! $item['url']) {
			return false;
		}

		$html = '<a href="' . esc_url($item['url']) . '"';
		if ($item['classes']) {
			$html .= ' class="' . esc_attr($item['classes']) . '" ';
		}

		if ($item['target']) {
			$html .= ' target="' . esc_attr($item['target']) . '" ';
		}

		$html .= '>';
		$html .= balanceTags($item['title'], true);
		$html .= '</a>';

		return $html;
	}

	function render_mega_content()
	{
		if ($this->mega_menu_settings['menu_type'] == 'layout') {
			return $this->render_builder_layout();
		} else {
			return $this->render_post();
		}
	}

	function render_builder_layout()
	{

		$html = false;

		if (! empty($this->item->mega_menu_layout)) {
			$child_li = EasyMega::get_theme_support('child_li');
			$tag = 'div';
			$tag_child = 'div';
			if ($child_li) {
				$tag = 'ul';
				$tag_child = 'li';
			}
			foreach ($this->item->mega_menu_layout as $row_index => $row) {
				if (! empty($row)) {
					$html .= '<div class="mega-container rc-' . esc_attr($this->mega_menu_settings['column_heading']) . '">';
					$html .= '<div class="mega-row">';

					foreach ($row as $col_index => $col) {
						$col['settings'] = $this->col_settings($col['settings']);
						$col_classes = array();
						$col_classes[] = 'mega-col';
						$col_classes[] = 'col-' . $col['settings']['col'];

						$html .= '<div class="' . esc_attr(join(' ', $col_classes)) . '">';

						if ($col['settings']['heading']) {
							$html .= '<div class="column-heading">' . balanceTags($col['settings']['heading']) . '</div>';
						}

						$html .= '<' . $tag . ' class="mega-items">';
						foreach ($col['items'] as $item_index => $item) {
							$item = wp_parse_args(
								$item,
								array(
									'_item_type' => '',
								)
							);
							if ($item['_item_type'] == 'widget') {
								$widget_content = $this->render_widget($item);
								if ($widget_content) {
									$html .= '<div class="mega-element mega-widget">' . $widget_content . '</div>';
								}
							} elseif ($item['_item_type'] == 'menu_item') {
								$item_menu = $this->render_menu_item($item);
								if ($item_menu) {
									$html .= '<' . $tag_child . ' class="mega-element mega-menu-item">' . $item_menu . '</' . $tag_child . '>';
								}
							}
						}
						$html .= '</' . $tag . '>';

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

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

		if ($html) {
			$html = '<div class="mega-builder-container">' . $html . '</div>';
		}

		return $html;
	}

	static function posts_content($query_args)
	{
		$query_args = self::get_post_query_args($query_args);
		if (! $query_args['posts_per_page']) {
			$query_args['posts_per_page'] = get_option('posts_per_page');
		}
		$query_args = array_filter($query_args);

		$query_args['ignore_sticky_posts'] = true;
		$query_args['post_status'] = 'publish';

		$query = new WP_Query($query_args);
		$post_type = $query->get('post_type');
		if (is_array($post_type)) {
			$post_type = current($post_type);
		}

		if (in_array($post_type, array('product', 'product_variation'))) {
			$post_type = 'product';
		}

		$content = null;
		if ($query->have_posts()) {
			ob_start();
			$file = EasyMega::get_template('nav-' . $post_type . '.php');
			if (! $file) {
				$file = EasyMega::get_template('nav-post.php');
			}

			$file = apply_filters('easymega_nav_post_tpl', $file, $post_type);
			if (is_file($file)) {
				include $file;
			}

			$paging_file = EasyMega::get_template('paging.php');
			if ($paging_file) {
				include $paging_file;
			}

			$content = ob_get_clean();
		}

		wp_reset_postdata();
		wp_reset_query(); // phpcs:ignore WordPress.WP.DiscouragedFunctions.wp_reset_query_wp_reset_query	

		return $content;
	}

	static function get_post_query_args($data)
	{

		$post_args = array(
			'posts_per_page'    => 10,
			'post__in'          => '',
			'tax_query'         => '', // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query	
			'post_type'         => 'post',
			'orderby'           => '',
			'order'             => '',
			'paged'             => '',
		);

		$data = wp_parse_args(
			$data,
			array(
				'taxonomy'  => '',
				'terms'     => '',
			)
		);

		$args = wp_array_slice_assoc($data, array_keys($post_args));

	
			if ($args['post_type'] != 'post') {
				$args['post_type'] = 'post';
			}
			// Validate taxonomy
			if (! $data['taxonomy']) {
				if (! in_array($data['taxonomy'], array('category', 'tag', 'post_format'))) {
					$data['taxonomy'] = 'category';
				}
			}
		

		if (! empty($data['terms']) && $data['taxonomy']) {
			if (! is_array($data['terms'])) {
				$data['terms'] = (array) $data['terms'];
			}

			$_t = current($data['terms']);
			reset($data['terms']);
			if ($_t instanceof WP_Term) {
				$data['terms'] = wp_list_pluck($data['terms'], 'term_id');
			} else {
				$data['terms'] = array_map('absint', $data['terms']);
				$data['terms'] = array_filter($data['terms']);
			}

			if (! empty($data['terms'])) {
				$tax = array(
					'taxonomy' => $data['taxonomy'],
					'field' => 'term_id',
					'terms' => $data['terms'],
				);
				unset($data['terms']);
				unset($data['taxonomy']);

				$args['tax_query'] = array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query	
					'relation' => 'AND',
					$tax,
				);
			}
		}

		if (isset($args['post__not_in'])) {
			if (empty($args['post__not_in'])) {
				unset($args['post__not_in']);
			} elseif (is_string($args['post__not_in'])) {
				$args['post__not_in'] = explode(',', $args['post__not_in']); // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in	
				$args['post__not_in'] = array_map('trim', $args['post__not_in']); // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in	
				$args['post__not_in'] = array_map('absint', $args['post__not_in']); // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in	
				$args['post__not_in'] = array_filter($args['post__not_in']); // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in	
				if (empty($args['post__not_in'])) {
					unset($args['post__not_in']);
				}
			} else { // is array
				$args['post__not_in'] = array_map('absint', $args['post__not_in']); // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in	
				$args['post__not_in'] = array_filter($args['post__not_in']); // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in	
				if (empty($args['post__not_in'])) {
					unset($args['post__not_in']);
				}
			}
		}

		if (isset($args['post__in'])) {
			if (empty($args['post__in'])) {
				unset($args['post__in']);
			} elseif (is_string($args['post__in'])) {
				$args['post__in'] = explode(',', $args['post__in']);
				$args['post__in'] = array_map('trim', $args['post__in']);
				$args['post__in'] = array_map('absint', $args['post__in']);
				$args['post__in'] = array_filter($args['post__in']);
				if (empty($args['post__in'])) {
					unset($args['post__in']);
				}
			} else {
				$args['post__in'] = array_map('absint', $args['post__in']);
				$args['post__in'] = array_filter($args['post__in']);
				if (empty($args['post__in'])) {
					unset($args['post__in']);
				}
			}
		}

		return $args;
	}

	function render_post()
	{
		$html = '';
		if (empty($this->mega_menu_post['terms'])) {
			$this->mega_menu_post['terms'] = array();
		}

		if (! is_array($this->mega_menu_post['terms']) && $this->mega_menu_post['terms']) {
			$this->mega_menu_post['terms'] = explode(',', $this->mega_menu_post['terms']);
		}

		$query_args = $this->get_post_query_args($this->mega_menu_post);
		if (! $query_args['posts_per_page']) {
			$query_args['posts_per_page'] = $this->mega_menu_post['columns'];
		}

		$categories = false;
		// Check if is array of object
		if (isset($this->mega_menu_post['terms'][0]) && $this->mega_menu_post['terms'][0] instanceof WP_Term) {
			$categories = $this->mega_menu_post['terms'];
		}
		if (! $categories) {
			$this->mega_menu_post['terms'] = array_map('absint', $this->mega_menu_post['terms']);
			$this->mega_menu_post['terms'] = array_filter($this->mega_menu_post['terms']);
			if (! empty($this->mega_menu_post['terms'])) {
				$categories = get_terms(
					array(
						'taxonomy' => $this->mega_menu_post['tax'],
						'include' => $this->mega_menu_post['terms'],
						'hide_empty' => false,
						'orderby' => 'include',
					)
				);
			}
		}

		if ($categories) {

			$all_link = '';
			$all_terms = null;
			$all_content = null;

			// Show all tabs
			if (count($categories) > 1 && $this->mega_menu_post['show_all_link'] && $this->mega_menu_post['show_all_link'] != 'no') {

				$all_terms = wp_list_pluck($categories, 'term_id');

				$tax = array(
					'taxonomy' => $this->mega_menu_post['tax'],
					'field'    => 'term_id',
					'terms'    => $all_terms,
				);

				$text = $this->mega_menu_post['all_item_text'];
				$link = $this->mega_menu_post['all_item_link'];
				if (! $text) {
					$text = esc_html__('All', 'easymega');
				}
				if (! $link) {
					$link = '#';
				}

				$all_link = '<div class="li" data-id="' . esc_attr(join('-', $all_terms)) . '" data-query="' . esc_attr(json_encode(array_filter(array_merge($query_args, $tax)))) . '"><a href="' . esc_url($link) . '">' . balanceTags($text, true) . '</a><span class="arrow"><span class="arrow-inner"></span></span></div>';

				$query_args['tax_query'] = $this->mega_menu_post['tax']; // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query	
				$query_args['terms'] = $all_terms;

				$content = $this->posts_content($query_args);
				if ($content) {
					$all_content .= '<div data-id="' . esc_attr(join('-', $all_terms)) . '"  data-col="' . esc_attr($this->mega_menu_post['columns']) . '" class="nav-posts-tab">';
					$all_content .= $content;
					$all_content .= '</div>';
				}
			} // end show all

			$html .= '<div data-show-when="' . esc_attr($this->mega_menu_post['show_when']) . '" class="mega-tab-posts tabs-' . esc_attr($this->mega_menu_post['tabs_layout']) . '">';

			if ($this->mega_menu_post['tabs_layout'] != 'no-tabs') {

				if ($this->mega_menu_post['tabs_layout'] != 'right') {
					$this->mega_menu_post['tabs_layout'] = 'left';
				}
				$tab_contents = '';
				$html .= '<div class="mega-tab-post-nav ul">';

				if ($all_link && $this->mega_menu_post['show_all_link'] == 'top') {
					$html .= $all_link;
					$tab_contents .= $all_content;
				}

				foreach ($categories as $cat) {
					$link = get_term_link($cat);

					unset($query_args['tax_query']);
					unset($query_args['terms']);

					$tax = array(
						'taxonomy' => $this->mega_menu_post['tax'],
						'field'    => 'term_id',
						'terms'    => array($cat->term_id),
					);

					$html .= '<div class="li" data-id="' . esc_attr($cat->term_id) . '" data-query="' . esc_attr(json_encode(array_filter(array_merge($query_args, $tax)))) . '"><a href="' . esc_url($link) . '">' . $cat->name . '</a><span class="arrow"><span class="arrow-inner"></span></span></div>';

					$query_args['tax_query'] = array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query	
						'relation' => 'AND',
						$tax,
					);

					$content = $this->posts_content($query_args);
					if ($content) {
						$tab_contents .= '<div data-id="' . esc_attr($cat->term_id) . '" data-col="' . esc_attr($this->mega_menu_post['columns']) . '" class="nav-posts-tab">';
						$tab_contents .= $content;
						$tab_contents .= '</div>';
					}
				}

				if ($all_link && $this->mega_menu_post['show_all_link'] == 'bottom') {
					$html .= $all_link;
					$tab_contents .= $all_content;
				}

				$html .= '</div>'; // end UL

				$html .= '<div class="mega-tab-post-cont">';
				$html .= $tab_contents;
				$html .= '</div>';
			} else {

				$query_args['tax_query'] = $this->mega_menu_post['tax']; // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query	
				$query_args['terms'] = wp_list_pluck($categories, 'term_id');

				$html .= '<div class="mega-tab-post-cont" data-query="' . esc_attr(json_encode($query_args)) . '">';

				$content = $this->posts_content($query_args);
				if ($content) {
					$html .= '<div data-col="' . esc_attr($this->mega_menu_post['columns']) . '" class="nav-posts-tab">';
					$html .= $content;
					$html .= '</div>';
				}

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

			$html .= '</div>';
		} else { // No tax, terms chosen
			$html .= '<div data-show-when="' . esc_attr($this->mega_menu_post['show_when']) . '" class="mega-tab-posts tabs-' . esc_attr($this->mega_menu_post['tabs_layout']) . '">';

			$html .= '<div class="mega-tab-post-cont" data-query="' . esc_attr(json_encode($query_args)) . '">';

			$content = $this->posts_content($query_args);
			if ($content) {
				$html .= '<div data-col="' . esc_attr($this->mega_menu_post['columns']) . '" class="nav-posts-tab">';
				$html .= $content;
				$html .= '</div>';
			}

			$html .= '</div>';

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

		if ($html) {
			$html  = '<div class="mega-posts-wrapper">' . $html . '</div>';
		}

		return $html;
	}
}