<?php
namespace QuadLayers\QuadMenu\Frontend\Walker;

if ( ! defined( 'ABSPATH' ) ) {
	die( '-1' );
}

/**
 * QuadMenuItem Class
 */
abstract class QuadMenu_Item {

	protected $type      = 'unknown';
	protected $ID        = 0;
	protected $source_id = 0;
	protected $output;
	protected $item;
	protected $depth;
	protected $args;
	protected $id;
	protected $walker;
	protected $dropdown_classes    = array();
	protected $dropdown_ul_classes = array();
	protected $item_classes        = array( 0 => '' );
	protected $item_atts           = array();
	protected $dropdown_style      = array();
	protected $has_children        = false;
	protected $thumbnail           = '';
	protected $description         = '';
	protected $children_elements   = array();
	private $prefix                = '#quadmenu-';

	function __construct( &$output, &$item, $depth = 0, &$args = null, $id = 0, &$walker = null, $has_children = false, $children_elements = false ) {

		$this->output            = &$output;
		$this->item              = &$item;
		$this->depth             = $depth;
		$this->args              = &$args;
		$this->id                = $id;
		$this->walker            = &$walker;
		$this->source_id         = $this->item->db_id;
		$this->has_children      = $has_children;
		$this->children_elements = $children_elements;

		// Properties
		// ---------------------------------------------------------------------

		$this->item->columns   = array_filter( (array) $this->item->columns );
		$this->item->animation = new \stdClass();

		// Arguments
		// ---------------------------------------------------------------------
		$this->args                  = $args !== null ? $args : new \stdClass();
		$this->args->has_title       = (bool) $this->item->title;
		$this->args->has_icon        = (bool) $this->item->icon;
		$this->args->has_link        = (bool) $this->item->url;
		$this->args->has_caret       = $this->args->has_dropdown = $this->has_children;
		$this->args->has_submenu     = ( 0 < $this->depth && $this->args->has_dropdown );
		$this->args->has_subtitle    = (bool) $this->item->subtitle;
		$this->args->has_badge       = (bool) $this->item->badge;
		$this->args->has_background  = (bool) $this->item->background;
		$this->args->has_description = (bool) $this->item->description;
		$this->args->has_thumbnail   = false;
		$this->args->has_columns     = array_filter( (array) $this->item->columns );

		$this->init();

		$this->remove_item_url();

		$this->add_item_dropdown_classes();

		$this->add_item_dropdown_ul_classes();

		$this->add_item_animations();
	}

	function add_item_animations() {

		$this->item->animation->title    = '';
		$this->item->animation->subtitle = '';
		$this->item->animation->icon     = '';
		$this->item->animation->badge    = '';

		if ( $this->depth > 0 ) {
			if ( ! empty( $this->args->dropdown_animation_badge ) ) {
				$this->item->animation->text = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->dropdown_animation_text ) );
			}
			if ( ! empty( $this->args->dropdown_animation_subtitle ) ) {
				$this->item->animation->subtitle = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->dropdown_animation_subtitle ) );
			}
			if ( ! empty( $this->args->dropdown_animation_badge ) ) {
				$this->item->animation->badge = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->dropdown_animation_badge ) );
			}
			if ( ! empty( $this->args->dropdown_animation_icon ) ) {
				$this->item->animation->icon = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->dropdown_animation_icon ) );
			}
		} else {
			if ( ! empty( $this->args->navbar_animation_badge ) ) {
				$this->item->animation->text = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->navbar_animation_text ) );
			}
			if ( ! empty( $this->args->navbar_animation_subtitle ) ) {
				$this->item->animation->subtitle = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->navbar_animation_subtitle ) );
			}
			if ( ! empty( $this->args->navbar_animation_badge ) ) {
				$this->item->animation->badge = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->navbar_animation_badge ) );
			}
			if ( ! empty( $this->args->navbar_animation_icon ) ) {
				$this->item->animation->icon = join( ' ', array_map( 'sanitize_html_class', (array) $this->args->navbar_animation_icon ) );
			}
		}
	}

	function start_el() {
		$this->output .= apply_filters( 'quadmenu_nav_menu_start_el', $this->get_start_el(), $this->item, $this->depth, $this->args );
	}

	function end_el() {
		$this->output .= apply_filters( 'quadmenu_nav_menu_end_el', $this->get_end_el(), $this->item, $this->depth, $this->args );
	}

	function start_lvl() {
		$this->output .= $this->get_dropdown_wrap_start();
	}

	function end_lvl() {
		$this->output .= $this->get_dropdown_wrap_end();
	}

	abstract function get_start_el();

	function get_end_el() {
		$item_output = '</li>';
		return $item_output;
	}

	function init() {

	}

	function add_item_classes() {

		$this->item_classes[] = 'menu-item-' . $this->item->ID;

		if ( is_array( $this->item->classes ) ) {
			$this->item_classes = array_merge( $this->item_classes, $this->item->classes );
		}
	}

	function add_item_classes_current() {

		if ( $this->args->layout_current ) {
			// $parent = (bool) array_search('current-menu-parent', $this->item->classes);
			// $current = (bool) array_search('current-menu-item', $this->item->classes);
			// if ($parent || $current) {
			// $this->item_classes[] = 'open';
			// }
			if ( count( array_intersect( array( 'current-menu-ancestor' ), $this->item->classes ) ) ) {
				$this->item_classes[] = 'open';
			}
		}
	}

	function add_item_classes_prefix() {

		$this->item_classes = array_diff( $this->item_classes, array( 'menu-item-type-custom', 'menu-item-type-post_type', 'menu-item-type-post_type_archive' ) );

		foreach ( $this->item_classes as $i => $class ) {

			if ( ! in_array( sanitize_key( $class ), array( 'open', 'active' ) ) ) {

				if ( substr( $class, 0, 9 ) == 'menu-item' ) {
					$this->item_classes[ $i ] = str_replace( 'menu-item', 'quadmenu-item', $class );
				}

				// if ($class == 'current-menu-ancestor') {
				// $this->item_classes[$i] = 'quadmenu-current-menu-ancestor';
				// }
				// if ($class == 'current-menu-parent') {
				// $this->item_classes[$i] = 'quadmenu-current-menu-parent';
				// }
				// if ($class == 'current-menu-item') {
				// $this->item_classes[$i] = 'quadmenu-current-menu-item';
				// }
			}
		}
	}

	function add_item_classes_quadmenu() {

		$this->item_classes[] = 'quadmenu-item-type-' . $this->type;

		$this->item_classes[] = 'quadmenu-item-level-' . $this->depth;

		$this->item_classes[] = $this->args->has_dropdown ? 'quadmenu-dropdown' : '';

		$this->item_classes[] = $this->args->has_submenu ? 'quadmenu-dropdown-submenu' : '';

		$this->item_classes[] = $this->args->has_subtitle ? 'quadmenu-has-subtitle' : '';

		$this->item_classes[] = $this->args->has_badge ? 'quadmenu-has-badge' : '';

		$this->item_classes[] = $this->args->has_caret ? 'quadmenu-has-caret' : '';

		$this->item_classes[] = $this->args->has_description ? 'quadmenu-has-description' : '';

		$this->item_classes[] = $this->args->has_thumbnail ? 'quadmenu-has-image-' . $this->item->thumb : '';

		$this->item_classes[] = $this->args->has_title ? 'quadmenu-has-title' : '';

		$this->item_classes[] = $this->args->has_icon ? 'quadmenu-has-icon' : '';

		$this->item_classes[] = $this->args->has_link || $this->args->has_dropdown ? 'quadmenu-has-link' : '';

		$this->item_classes[] = $this->args->has_background ? 'quadmenu-has-background' : '';

		if ( ! empty( $this->item->float ) ) {
			$this->item_classes[] = 'quadmenu-float-' . $this->item->float;
		}

		if ( ! empty( $this->item->dropdown ) ) {
			$this->item_classes[] = 'quadmenu-dropdown-' . $this->item->dropdown;
		}

		if ( ! empty( $this->item->hidden ) ) {
			$this->item_classes[] = join( ' ', array_map( 'sanitize_html_class', (array) $this->item->hidden ) );
		}

		// if (!empty($this->args->navbar_animation_link)) {
		// $this->item_classes[] = join(' ', array_map('sanitize_html_class', (array) $this->args->navbar_animation_link));
		// }
	}

	function add_item_classes_maxheight() {

		if ( $this->args->layout_dropdown_maxheight ) {
			$this->item_classes[] = 'dropdown-maxheight';
		}
	}

	function get_item_id() {

		return ' id="menu-item-' . esc_attr( $this->item->ID ) . '"';
	}

	function get_item_classes() {
		$class_names = join( ' ', apply_filters( 'quadmenu_nav_menu_css_class', array_filter( $this->item_classes ), $this->item, $this->args ) );
		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
		return $class_names;
	}

	function add_link_atts() {

		$this->item_atts['title'] = ! empty( $this->item->attr_title ) ? $this->item->attr_title : '';

		$this->item_atts['target'] = ! empty( $this->item->target ) ? '_blank' : '';

		$this->item_atts['rel'] = ! empty( $this->item->xfn ) ? $this->item->xfn : '';

		$this->item_atts['href'] = ! empty( $this->item->url ) ? $this->item->url : 'javascript:void(0)';

		$this->item_atts = apply_filters( 'quadmenu_nav_menu_link_atts', $this->item_atts, $this->item, $this->args );
	}

	function add_link_atts_toggle() {

		if ( $this->has_children ) {
			$this->item_atts['class'] = 'quadmenu-dropdown-toggle';

			if ( isset( $this->args->layout_trigger ) ) {
				$this->item_atts['class'] .= ' ' . $this->args->layout_trigger;
			}
		}
	}

	function add_dropdown_background() {

		if ( ! $this->args->has_background ) {
			return;
		}

		$_src = wp_get_attachment_image_src( $this->item->background['thumbnail-id'], 'full' );

		if ( empty( $_src[0] ) ) {
			return;
		}

		ob_start();
		?>
		<div class="quadmenu-dropdown-background" style="
				background-image: url('<?php echo esc_url( $_src[0] ); ?>');
				background-position: <?php echo esc_attr( $this->item->background['position'] ); ?>;
				background-repeat: <?php echo esc_attr( $this->item->background['repeat'] ); ?>;
				background-size: <?php echo esc_attr( $this->item->background['size'] ); ?>;
				background-origin: <?php echo esc_attr( $this->item->background['origin'] ); ?>;
				opacity: <?php echo esc_attr( $this->item->background['opacity'] / 100 ); ?>">
		</div>
		<?php
		return ob_get_clean();
	}

	function get_link_attr() {

		$atts = '';

		foreach ( $this->item_atts as $attr => $value ) {

			if ( empty( $value ) ) {
				continue;
			}

			if ( $attr == 'href' ) {
				$value = esc_url( $value );
			} elseif ( $attr == 'title' ) {
				$value = esc_html( $value );
			} else {
				$value = esc_attr( $value );
			}

			$atts .= ' ' . esc_attr( $attr ) . '="' . $value . '"';
		}

		return $atts;
	}

	function get_link() {

		ob_start();
		?>
		<?php echo $this->args->before; ?>
		<a <?php echo $this->get_link_attr(); ?>>
			<span class="quadmenu-item-content">
			<?php echo $this->args->link_before; ?>
			<?php echo $this->get_thumbnail(); ?>
			<?php echo $this->get_caret(); ?>
			<?php echo $this->get_icon(); ?>
			<?php echo $this->get_title(); ?>
			<?php echo $this->get_badge(); ?>
			<?php echo $this->get_subtitle(); ?>
			<?php echo $this->get_description(); ?>
			<?php echo $this->args->link_after; ?>
			</span>
		</a>
		<?php echo $this->args->after; ?>
		<?php
		return ob_get_clean();
	}

	function get_caret() {
		if ( $this->args->has_caret ) {
			ob_start();
			?>
		<span class="quadmenu-caret<?php // echo join(' ', array_map('sanitize_html_class', (array) $this->args->navbar_animation_caret)); ?>"></span>
		<?php
			return ob_get_clean();
		}
	}

	function get_icon() {

		if ( $this->args->has_icon && $this->item->icon ) {
			ob_start();
			?>
		<span class="quadmenu-icon <?php echo esc_attr( $this->item->icon ); ?> <?php echo esc_attr( $this->item->animation->icon ); ?>"></span>
		<?php
			return ob_get_clean();
		}
	}

	function get_title() {
		if ( $this->args->has_title ) {
			ob_start();
			?>
		<span class="quadmenu-text <?php echo esc_attr( $this->item->animation->text ); ?>"><?php echo $this->item->title; ?></span>
		<?php
			return ob_get_clean();
		}
	}

	function get_subtitle() {

		if ( ! empty( $this->args->has_subtitle ) ) {
			ob_start();
			?>
		<span class="quadmenu-subtitle <?php echo esc_attr( $this->item->animation->subtitle ); ?>"><?php echo esc_attr( $this->item->subtitle ); ?></span>
		<?php
			return ob_get_clean();
		}
	}

	function get_badge() {

		if ( ! empty( $this->args->has_badge ) ) {
			ob_start();
			?>
		<span class="quadmenu-badge <?php echo esc_attr( $this->item->animation->badge ); ?>"><span class="quadmenu-badge-bubble"><?php echo esc_attr( $this->item->badge ); ?></span></span>
		<?php
			return ob_get_clean();
		}
	}

	function get_thumbnail() {
		if ( ! empty( $this->args->has_thumbnail ) ) {
			return get_the_post_thumbnail( $this->item->object_id, $this->item->thumb );
		}
	}

	function get_description() {
		if ( ! empty( $this->args->has_description ) ) {
			ob_start();
			?>
		<span class="quadmenu-description"><?php echo esc_html( $this->item->description ); ?></span>
		<?php
			return ob_get_clean();
		}
	}

	function add_item_dropdown_classes() {

		$this->dropdown_classes = array_merge( $this->dropdown_classes, array_map( 'sanitize_html_class', (array) $this->args->layout_animation ) );

		$this->dropdown_classes[] = 'quadmenu-dropdown-menu';
	}

	function add_item_dropdown_ul_classes() {

	}

	function get_dropdown_ul_style() {
		if ( ! empty( $this->dropdown_style ) ) {
			return ' style="' . join( ';', $this->dropdown_style ) . '"';
		}
	}

	function get_dropdown_ul_classes() {

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

			$class_names = join( ' ', $this->dropdown_ul_classes );
			$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
			return $class_names;
		}
	}

	function get_dropdown_ul_data() {

	}

	function get_dropdown_wrap_start() {
		ob_start();
		?>
		<div id="dropdown-<?php echo esc_attr( $this->item->ID ); ?>" class="<?php echo join( ' ', array_map( 'sanitize_html_class', $this->dropdown_classes ) ); ?>">
		<?php echo $this->add_dropdown_background(); ?>
		<ul<?php echo $this->get_dropdown_ul_style(); ?><?php echo $this->get_dropdown_ul_classes(); ?><?php echo $this->get_dropdown_ul_data(); ?>>
		<?php
		return ob_get_clean();
	}

	function get_dropdown_wrap_end() {
		ob_start();
		?>
		</ul>
	</div>
	<?php
	return ob_get_clean();
	}

	function remove_item_url() {

		if ( empty( $this->item->url ) ) {
			return;
		}

		if ( strpos( $this->item->url, $this->prefix ) !== false ) {
			$this->item->url = '';
		}
	}

	function clean_item_content( $content ) {

		$content = preg_replace( '/\[[\/]?[^\]]*\]/', '', $content );

		$content = html_entity_decode( $content );

		$content = wp_strip_all_tags( $content, true );

		return $content;
	}

}