#I LOVE YOU EVERDAY#

<?php
/**
 * Nav Menu API: Covercase_Simple_Menu_Walker class
 *
 * @package    Aisconverse
 * @subpackage Covercase
 * @since      Covercase 1.0
 */

if ( ! class_exists( 'Covercase_Simple_Menu_Walker' ) ) {

/**
     * Core class used to implement an HTML list of nav menu items for simple menu.
     *
	 * Class Covercase_Simple_Menu_Walker
	 */
	class Covercase_Simple_Menu_Walker extends Walker_Nav_Menu {
		public $panels = array();

public function walk( $elements, $max_depth, ...$args ) {
			//$args = array_slice(func_get_args(), 2);
			$output = '';

//invalid parameter or nothing to walk
			if ( $max_depth < -1 || empty( $elements ) ) {
				return $output;
			}

$parent_field = $this->db_fields['parent'];

// flat display
			if ( -1 == $max_depth ) {
				$empty_array = array();
				foreach ( $elements as $e )
					$this->display_element( $e, $empty_array, 1, 0, $args, $output );
				return $output;
			}

$top_level_elements = array();
			$children_elements  = array();
			foreach ( $elements as $e) {
				if ( empty( $e->$parent_field ) )
					$top_level_elements[] = $e;
				else
					$children_elements[ $e->$parent_field ][] = $e;
			}

if ( empty($top_level_elements) ) {

$first = array_slice( $elements, 0, 1 );
				$root = $first[0];

$top_level_elements = array();
				$children_elements  = array();
				foreach ( $elements as $e) {
					if ( $root->$parent_field == $e->$parent_field )
						$top_level_elements[] = $e;
					else
						$children_elements[ $e->$parent_field ][] = $e;
				}
			}

foreach ( $top_level_elements as $e )
				$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );

if ( ( $max_depth == 0 ) && count( $children_elements ) > 0 ) {
				$empty_array = array();
				foreach ( $children_elements as $orphans )
					foreach ( $orphans as $op )
						$this->display_element( $op, $empty_array, 1, 0, $args, $output );
			}

$this->display_panels();

return $output;
		}

public function display_panels() {

if(!empty($this->panels)) {

foreach ($this->panels as $depth => $panels) {

foreach ($panels as $key => $panel) {
						$depth_key = $depth + 2;
						$div = "<div id=\"simple-menu-id-{$key}\" data-depth=\"{$depth_key}\" class=\"%s\" data-id=\"{$key}\">%s</div>";

$cols = "<div class=\"row simple-menu-row\"><div class=\" col-sm-6 col-md-6 col-lg-3\">%s</div><div class=\" col-sm-6 col-md-6 col-lg-3\">%s</div><div class=\" col-sm-6 col-md-6 col-lg-3 col-moved\">%s</div><div class=\" col-sm-6 col-md-6 col-lg-3 col-moved\">%s</div></div>";
						$i = '';

$mega_cols = array();

$j = 0;
						foreach ($panel as $item) {

$col_title = $item['col_title'];
							$col_status = $item['col_status'];

if(!empty($col_status)) {
								$j++;
								if($j === 5) {
									$j = 0;
								}
								
								$col_content = '<div id="menu-item-'.$item['id'].'" class="'.$item['classes'].' simple-mega-link" data-id="'.$item['id'].'"><a href="' . $item['url'] . '">' . $item['title'] . '</a></div>';

if(isset($mega_cols['col-'.$j])) {
									$mega_cols['col-'.$j] .= $col_content;
								} else {
									$mega_cols['col-'.$j] = $col_content;
								}

} else {
								$i .= '<div id="menu-item-'.$item['id'].'" class="'.$item['classes'].'"  data-id="'.$item['id'].'"><a href="' . $item['url'] . '">' . $item['title'] . '</a></div>';
							}
						}

if(!empty($mega_cols)) {
							$col_1 = isset($mega_cols['col-1']) ? $mega_cols['col-1'] : '';
							$col_2 = isset($mega_cols['col-2']) ? $mega_cols['col-2'] : '';
							$col_3 = isset($mega_cols['col-3']) ? $mega_cols['col-3'] : '';
							$col_4 = isset($mega_cols['col-4']) ? $mega_cols['col-4'] : '';
							$cols = sprintf($cols, $col_1, $col_2, $col_3, $col_4);
							echo sprintf($div, 'simple-menu-element simple-menu-mega fade out simple-menu-sub', $cols);
						} else {
							echo sprintf($div, 'simple-menu-element simple-menu-default fade out simple-menu-sub', $i);
						}

}
				}
			}
		}

public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
			if ( ! $element ) {
				return;
			}

$id_field = $this->db_fields['id'];
			$id       = $element->$id_field;

// get current status for megamenu
			$megaMenuStatus = false;
			if ( $depth === 0 ) {
				$megaMenuStatus = get_post_meta( $id, 'menu-item-basement_mega_enabled', true );
			}

//display this element
			$this->has_children = ! empty( $children_elements[ $id ] );
			if ( isset( $args[0] ) && is_array( $args[0] ) ) {
				$args[0]['has_children'] = $this->has_children; // Back-compat.
			}

$cb_args = array_merge( array(&$output, $element, $depth), $args);
			if($depth == 0) {
				call_user_func_array( array( $this, 'start_el' ), $cb_args );
			}

// descend only when the depth is right and there are childrens for this element
			if ( ($max_depth == 0 || $max_depth > $depth+1 ) && isset( $children_elements[$id]) ) {

foreach ( $children_elements[ $id ] as $child ){

if ( !isset($newlevel) ) {
						$newlevel = true;
						//start the child delimiter
						$cb_args = array_merge( array(&$output, $depth), $args);
					}

$classes = empty( $child->classes ) ? array() : (array) $child->classes;
					$classes[] = 'menu-item-' . $child->ID;

$args = apply_filters( 'nav_menu_item_args', $args, $child, $depth );

$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $child, $args, $depth ) );

$col_status = false;
					if ( 'yes' === $megaMenuStatus ) {
						$col_status = 'yes';
					}
					$col_title = 'no';

$this->panels[$depth][$id][] = array(
						'title' => $child->title,
						'url' => $child->url,
						'classes' => $class_names,
						'id' => $child->ID,
						'col_status' => $col_status,
						'col_title' => $col_title
					);

$this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
				}
				unset( $children_elements[ $id ] );
			}

if ( isset($newlevel) && $newlevel ){
				//end the child delimiter
				$cb_args = array_merge( array(&$output, $depth), $args);
			
			}

//end this element
			$cb_args = array_merge( array(&$output, $element, $depth), $args);
			if($depth == 0) {
				call_user_func_array( array( $this, 'end_el' ), $cb_args );
			}

}

public function start_lvl( &$output, $depth = 0, $args = array() ) {
			if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
				$t = '';
				$n = '';
			} else {
				$t = "\t";
				$n = "\n";
			}
			$indent = str_repeat( $t, $depth );
			$output .= "{$n}{$indent}<div class=\"hide\">{$n}";
		}

public function end_lvl( &$output, $depth = 0, $args = array() ) {
			if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
				$t = '';
				$n = '';
			} else {
				$t = "\t";
				$n = "\n";
			}
			$indent = str_repeat( $t, $depth );
			$output .= "$indent</div>{$n}";
		}

public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
			if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
				$t = '';
				$n = '';
			} else {
				$t = "\t";
				$n = "\n";
			}
			$indent = ( $depth ) ? str_repeat( $t, $depth ) : '';

$classes = empty( $item->classes ) ? array() : (array) $item->classes;
			$classes[] = 'menu-item-' . $item->ID;

$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );

$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
			$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args, $depth );
			$data_id = $item->ID;
			$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

$output .= $indent . '<div' . $id . $class_names .' data-id="'.$data_id.'" >';

$atts = array();
			$atts['title']  = ! empty( $item->attr_title ) ? $item->attr_title : '';
			$atts['target'] = ! empty( $item->target )     ? $item->target     : '';
			$atts['rel']    = ! empty( $item->xfn )        ? $item->xfn        : '';
			$atts['href']   = ! empty( $item->url )        ? $item->url        : '';

$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );

$attributes = '';
			foreach ( $atts as $attr => $value ) {
				if ( ! empty( $value ) ) {
					$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
					$attributes .= ' ' . $attr . '="' . $value . '"';
				}
			}

$title = apply_filters( 'the_title', $item->title, $item->ID );

$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );

$item_output = $args->before;
			$item_output .= '<a'. $attributes .'>';
			$item_output .= $args->link_before . $title . $args->link_after;
			$item_output .= '</a>';
			$item_output .= $args->after;

$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
		}

public function end_el( &$output, $item, $depth = 0, $args = array() ) {
			if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
				$t = '';
				$n = '';
			} else {
				$t = "\t";
				$n = "\n";
			}
			$output .= "</div>{$n}";
		}
	}
}