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<?php

namespace XTS\Modules\Header_Builder;

use XTS\Modules\Header_Builder;

if ( ! defined( 'WOODMART_THEME_DIR' ) ) {
	exit( 'No direct script access allowed' );}

/**
 * ------------------------------------------------------------------------------------------------
 * Abstract class for all elements used in the builder. This class is used both on backend and
 * on the frontend.
 * ------------------------------------------------------------------------------------------------
 */

abstract class Element {

public $args = array();

/**
	 * @var array $exclude_list List of fields to exclude.
	 * Example (in child class): $this->exclude_list = array( 'exclude_field', ... );
	 */
	public $exclude_list;

public $template_name;

public $vc_element = false;

public function __construct() {
		// if( $this->vc_element && function_exists('vc_mapper') ) {
		// vc_mapper()->init();
		if ( $this->vc_element && is_admin() ) {
			$this->visual_composer_to_header();
		} else {
			$this->map();
		}
	}

public function get_header_options() {
		return Header_Builder::get_instance()->structure->get_header_options();
	}

public function get_args() {
		if ( isset( $this->args['params'] ) ) {
			foreach ( $this->args['params'] as $field_id => $field ) {
				if ( isset( $field['type'] ) && 'select' === $field['type'] && isset( $field['callback'] ) && method_exists( $this, $field['callback'] ) ) {
					$this->args['params'][ $field_id ]['options'] = $this->{$field['callback']}();
				}
			}
		}

return $this->args;
	}

public function render( $el, $children = '' ) {
		if ( $this->vc_element ) {
			$args = $this->_parse_vc_args( $el );
		} else {
			$args = $this->_parse_args( $el );
		}

extract( $args );

$path = '/header-elements/' . $this->template_name . '.php';

$located = '';

if ( file_exists( get_stylesheet_directory() . $path ) ) {
			$located = get_stylesheet_directory() . $path;
		} elseif ( file_exists( get_template_directory() . $path ) ) {
			$located = get_template_directory() . $path;
		}

if ( file_exists( $located ) ) {
			require $located;
		}
	}

private function _parse_args( $el ) {
		$a = array();

foreach ( $el['params'] as $arg ) {
			$a[ $arg['id'] ] = $arg['value'];
		}

unset( $el['content'] );

$el['params'] = $a;

return $el;
	}

private function _parse_vc_args( $el ) {
		$a = array();

foreach ( $el['params'] as $arg ) {

if ( $arg['id'] == 'link' ) {

$url = '';

if ( isset( $arg['value'] ) && isset( $arg['value']['url'] ) ) {
					$url = $arg['value']['url'];
				}

$value = 'url:' . rawurlencode( $url );

if ( isset( $arg['value'] ) && isset( $arg['value']['blank'] ) && $arg['value']['blank'] ) {
					$value .= '|target:_blank';
				}

$a[ $arg['id'] ] = $value;
			} elseif ( $arg['type'] == 'switcher' ) {
				$a[ $arg['id'] ] = $arg['value'] ? 'yes' : 'no';
			} elseif ( $arg['type'] == 'image' ) {
				$a[ $arg['id'] ] = ( isset( $arg['value']['id'] ) ) ? $arg['value']['id'] : '';
			} else {
				$a[ $arg['id'] ] = $arg['value'];
			}
		}

unset( $el['content'] );

$el['params'] = $a;

return $el;

}

public function has_background( $params ) {
		return( isset( $params['background'] ) && ( isset( $params['background']['background-color'] ) || isset( $params['background']['background-image'] ) ) );
	}

public function has_backdrop_filter( $params ) {
		return isset( $params['background'] ) && (
			! empty( $params['background']['background-blur'] )
			|| ( isset( $params['background']['background-brightness'] ) && 1 != $params['background']['background-brightness'] && ( $params['background']['background-brightness'] || 0 == $params['background']['background-brightness'] ) )
			|| ( ! empty( $params['background']['background-contrast'] ) && 100 !== (int) $params['background']['background-contrast'] )
			|| ! empty( $params['background']['background-grayscale'] )
			|| ! empty( $params['background']['background-hue-rotate'] )
			|| ! empty( $params['background']['background-invert'] )
			|| ( ! empty( $params['background']['background-opacity'] ) && 100 !== (int) $params['background']['background-opacity'] )
			|| ( ! empty( $params['background']['background-saturate'] ) && 100 !== (int) $params['background']['background-saturate'] )
			|| ! empty( $params['background']['background-sepia'] )
		);
	}

public function has_border( $params ) {
		return( isset( $params['border'] ) && isset( $params['border']['width'] ) && (int) $params['border']['width'] > 0 );
	}

public function visual_composer_to_header() {
		$vc_element = 'woodmart_get_' . $this->vc_element . '_shortcode_args';
		$vc_args    = $vc_element();

$old_args = $this->args;

$this->args = array(
			'type'            => $this->_get_type_from_vc( $this->vc_element ),
			'title'           => $vc_args['name'],
			'text'            => $old_args['text'],
			'icon'            => $old_args['icon'],
			'editable'        => true,
			'container'       => false,
			'edit_on_create'  => true,
			'drag_target_for' => array(),
			'drag_source'     => 'content_element',
			'removable'       => true,
			'addable'         => true,
			'params'          => $this->_get_params_from_vc( $vc_args['params'] ),
		);

if ( isset( $this->exclude_list ) && ! empty( $this->exclude_list ) ) {
			$this->args = $this->exclude_params( $this->args );
		}
	}

/**
	 * The method removes fields from the exclude_params list.
	 *
	 * @param array $args List of element arguments.
	 * @return array
	 */
	private function exclude_params( $args ) {
		foreach ( $this->exclude_list as $exclude ) {
			if ( array_key_exists( $exclude, $args['params'] ) ) {
				unset( $args['params'][ $exclude ] );
			}
		}

return $args;
	}

private function _get_params_from_vc( $params ) {
		$new_params = array();

if ( empty( $params ) ) {
			return array();
		}

foreach ( $params as $key => $param ) {
			if ( ! $param || $param['type'] == 'woodmart_title_divider' || $param['type'] == 'woodmart_css_id' ) {
				continue;
			}
			$new_param = $this->_get_param_from_vc( $param );
			if ( $new_param ) {
				$new_params[ $param['param_name'] ] = $new_param;
			}
		}

return $new_params;
	}

private function _get_param_from_vc( $param ) {
		$new_param = array();

$new_param['id']    = $param['param_name'];
		$new_param['title'] = isset( $param['heading'] ) ? $param['heading'] : '';
		$new_param['value'] = '';
		$dropdown_params    = array( 'dropdown', 'woodmart_dropdown', 'woodmart_button_set', 'woodmart_image_select' );

if ( isset( $param['description'] ) ) {
			$new_param['description'] = $param['description'];
		}
		if ( isset( $param['selectors'] ) ) {
			$new_param['selectors'] = $param['selectors'];
		}
		if ( isset( $param['group'] ) ) {
			$new_param['tab'] = $param['group'];
		} else {
			$new_param['tab'] = 'General';
		}

if ( isset( $param['dependency'] ) ) {
			if ( isset( $param['dependency']['value_not_equal_to'] ) ) {
				$new_param['requires'] = array(
					$param['dependency']['element'] => array(
						'comparison' => 'not_equal',
						'value'      => $param['dependency']['value_not_equal_to'],
					),
				);
			}
			if ( isset( $param['dependency']['value'] ) && is_array( $param['dependency']['value'] ) ) {
				$new_param['requires'] = array(
					$param['dependency']['element'] => array(
						'comparison' => 'equal',
						'value'      => $param['dependency']['value'][0],
					),
				);
			}
		}

switch ( $param['type'] ) {
			case 'iconpicker':
			case 'textfield':
				$new_param['type'] = 'text';
				break;

case 'vc_link':
				$new_param['type'] = 'link';
				break;

case in_array( $param['type'], $dropdown_params ):
				$options           = $this->_get_options_from_vc( $param['value'] );
				$first_option      = reset( $options );
				$new_param['type'] = 'select';
				if ( count( $options ) < 6 ) {
					$new_param['type'] = 'selector';
				}
				$new_param['options'] = $options;
				$new_param['value']   = $first_option['value'];
				break;

case 'checkbox':
				$new_param['type']  = 'switcher';
				$new_param['value'] = false;
				break;

case 'attach_image':
				$new_param['type'] = 'image';
				break;

case 'textarea_html':
				$new_param['type'] = 'editor';
				break;

case 'textarea':
				$new_param['type'] = 'textarea';
				break;

case 'colorpicker':
				$new_param['type'] = 'color';
				break;

case 'woodmart_switch':
				$new_param['type'] = 'switcher';
				break;

case 'woodmart_colorpicker':
				$new_param['type'] = 'color';
				break;

default:
				$new_param = false;
				break;
		}

return $new_param;
	}

private function _get_options_from_vc( $options ) {
		$new_options = array();

foreach ( $options as $name => $value ) {
			$new_options[ $value ] = array(
				'label' => $name,
				'value' => $value,
			);
		}

return $new_options;
	}

private function _get_type_from_vc( $type ) {
		switch ( $type ) {
			case 'woodmart_button':
				return 'button';
				break;

case 'woodmart_info_box':
				return 'infobox';
				break;

case 'social_buttons':
				return 'social';
				break;

}
	}

public function get_menu_options_with_empty() {
		return $this->get_menu_options( true );
	}

public function get_menu_options( $empty = false ) {
		$array = array();

if ( $empty ) {
			$array[''] = array(
				'label' => esc_html__( 'Select', 'woodmart' ),
				'value' => '',
			);
		}

$menus = get_terms(
			array(
				'taxonomy'   => 'nav_menu',
				'hide_empty' => false,
				'orderby'    => 'name',
			)
		);

foreach ( $menus as $menu ) {
			$array[ $menu->slug ] = array(
				'label' => $menu->name,
				'value' => $menu->slug,
			);
		}

return $array;
	}

public function get_html_block_options() {
		$array        = array();
		$args         = array(
			'posts_per_page'   => 500,
			'post_type'        => 'cms_block',
			'suppress_filters' => false,
		);
		$blocks_posts = get_posts( $args );

foreach ( $blocks_posts as $post ) {
			$array[ $post->ID ] = array(
				'label' => $post->post_title ? $post->post_title : esc_html__( '(no title)', 'woodmart' ),
				'value' => $post->ID,
			);
		}

return $array;
	}
}