<?php
/**
 * @author : Jegtheme
 */

namespace JNews\Footer;

use JNews\Single\SinglePost;

/**
 * Class JNews Footer Builder
 */
Class FooterBuilder {
	/**
	 * @var FooterBuilder
	 */
	private static $instance;

	private $category = 'footer_template';

	private $number_column = 3;

	private $on_footer = false;

	/**
	 * @return FooterBuilder
	 */
	public static function getInstance() {
		if ( null === static::$instance ) {
			static::$instance = new static();
		}

		return static::$instance;
	}

	public function is_on_footer() {
		$post_id   = get_the_ID();
		$post_type = get_post_type( $post_id );

		return $this->on_footer || ( $post_type === 'footer' );
	}

	public function set_on_footer() {
		$this->on_footer = true;
	}

	public function remove_filters() {
		// remove related post
		jnews_remove_filters( 'the_content', array( SinglePost::getInstance(), 'render_inline_related_post' ), 10 );
	}

	public function render_footer() {
		// need to remove the filter first
		$this->remove_filters();

		// Render Footer
		$content = jeg_render_builder_content( $this->get_footer_page_id() );
		echo $content;
	}

	public function not_on_footer() {
		$this->on_footer = false;
	}

	private function __construct() {
		if (!defined('JNEWS_ESSENTIAL')) return false;

		add_action( 'init', array( $this, 'footer_post_type' ) );

		if ( is_admin() ) {
			// Footer Template on VC
			add_filter( 'jnews_rendered_element_group', array( $this, 'header_group' ) );
			add_filter( 'vc_get_all_templates', array( $this, 'footer_template' ) );
			add_filter( 'vc_templates_render_category', array( $this, 'footer_template_render' ) );

			// Render Template for backend
			add_filter( 'vc_templates_render_backend_template', array( $this, 'ajax_template_backend' ), null, 2 );
		} else {
			add_action( 'wp_head', array( $this, 'footer_css' ), 999 );
			add_action( 'init', array( $this, 'force_load_css' ), 1 );

			// Render Template for Frontend
			add_filter( 'vc_templates_render_frontend_template', array( $this, 'ajax_template_frontend' ), null, 2 );
		}

		add_action( 'init', array( $this, 'footer_vc_row' ) );
		add_filter( 'post_row_actions', array( $this, 'footer_row_action' ), null, 2 );
	}

	public function footer_row_action( $actions, $post ) {
		if ( $post->post_type === 'footer' ) {
			unset( $actions['view'] );
			unset( $actions['inline hide-if-no-js'] );
		}

		return $actions;
	}

	public function footer_template_render( $category ) {

		if ( 'footer_template' === $category['category'] ) {
			$category['output'] = '';
			$category['output'] .= '
            <div class="vc_footer_template">
                <div class="vc_column vc_col-sm-12">
                    <div class="vc_ui-template-list vc_templates-list-my_templates vc_ui-list-bar">';

			if ( ! empty( $category['templates'] ) ) {
				$arrays = array_chunk( $category['templates'], $this->number_column );

				foreach ( $arrays as $templates ) {
					$category['output'] .= '<div class="vc_row">';
					foreach ( $templates as $template ) {
						$category['output'] .= $this->render_item_list( $template );
					}
					$category['output'] .= '</div>';
				}
			}

			$category['output'] .= '
				    </div>
			    </div>
			</div>';
		}

		return $category;
	}

	public function render_item_list( $template ) {
		$name                = isset( $template['name'] ) ? esc_html( $template['name'] ) : esc_html__( 'No title', 'jnews' );
		$template_id         = esc_attr( $template['unique_id'] );
		$template_id_hash    = md5( $template_id ); // needed for jquery target for TTA
		$template_name       = esc_html( $name );
		$template_name_lower = esc_attr( vc_slugify( $template_name ) );
		$template_type       = esc_attr( isset( $template['type'] ) ? $template['type'] : 'custom' );
		$custom_class        = esc_attr( isset( $template['custom_class'] ) ? $template['custom_class'] : '' );
		$column              = 12 / $this->number_column;

		$template_item = $this->render_single_item( $name, $template );

		return "<div class='vc_col-sm-{$column}'>
                        <div class='vc_ui-template vc_templates-template-type-{$template_type} {$custom_class}'
                            data-template_id='{$template_id}'
                            data-template_id_hash='{$template_id_hash}'
                            data-category='{$template_type}'
                            data-template_unique_id='{$template_id}'
                            data-template_name='{$template_name_lower}'
                            data-template_type='{$template_type}'
                            data-vc-content='.vc_ui-template-content'>
                            <div class='vc_ui-list-bar-item'>
                                {$template_item}        
                            </div>
                            <div class='vc_ui-template-content' data-js-content>
                            </div>
                        </div>
                    </div>";
	}

	protected function render_single_item( $name, $data ) {
		$template_name  = esc_html( $name );
		$template_image = esc_attr( $data['image_path'] );

		return "<div class='jnews_template_vc_item' data-template-handler=''>
                    <img src='{$template_image}'/>
                    <div class='vc_ui-list-bar-item-trigger'>
			            <h3>{$template_name}</h3>
			        </div>
                </div>";
	}


	public function footer_template( $data ) {
		if ( get_post_type() === 'footer' ) {
			$data[] = array(
				'category'             => $this->category,
				'category_name'        => esc_html__( 'Footer Template', 'jnews' ),
				'category_description' => esc_html__( 'Footer Template for JNews', 'jnews' ),
				'category_weight'      => 9,
				'templates'            => $this->library()
			);
		}

		return $data;
	}

	public function force_load_css() {
		if ( $this->is_footer_custom() ) {
			add_filter( 'jnews_vc_force_load_style', '__return_true' );
		}
	}

	/**
	 * Remove Footer option from option
	 *
	 * @param $groups
	 *
	 * @return mixed
	 */
	public function header_group( $groups ) {
		$post_type = get_post_type( (int) sanitize_text_field( $_REQUEST['post_id'] ) );
		if ( $post_type !== 'footer' ) {
			foreach ( $groups as $key => $group ) {
				if ( $group === 'Footer Option' ) {
					unset( $groups[ $key ] );
				}
			}
		}

		return $groups;
	}

	public function is_footer_custom() {
		$footer_style = get_theme_mod( 'jnews_footer_style', '1' );

		return $footer_style === 'custom';
	}

	public function get_footer_page_id() {
		return get_theme_mod( 'jnews_footer_custom_layout', null );
	}

	public function footer_css() {
		if ( $this->is_footer_custom() ) {
			$footer_page_id = $this->get_footer_page_id();

			$this->add_page_custom_css( $footer_page_id );
			$this->get_shortcode_custom_css( $footer_page_id );
		}
	}

	public function add_page_custom_css( $post_id ) {
		$post_custom_css = get_post_meta( $post_id, '_wpb_post_custom_css', true );

		if ( ! empty( $post_custom_css ) ) {
			$post_custom_css = strip_tags( $post_custom_css );
			echo '<style type="text/css" data-type="vc_custom-css">';
			echo jnews_sanitize_by_pass( $post_custom_css );
			echo '</style>';
		}
	}

	public function get_shortcode_custom_css( $post_id ) {
		$shortcodes_custom_css = get_post_meta( $post_id, '_wpb_shortcodes_custom_css', true );

		if ( ! empty( $shortcodes_custom_css ) ) {
			$shortcodes_custom_css = strip_tags( $shortcodes_custom_css );
			echo '<style type="text/css" data-type="vc_shortcodes-custom-css">';
			echo jnews_sanitize_by_pass( $shortcodes_custom_css );
			echo '</style>';
		}
	}

	public function footer_vc_row() {
		if ( function_exists( 'vc_add_param' ) ) {
			vc_add_param( 'vc_row', array(
				'type'        => 'dropdown',
				'param_name'  => 'footer_scheme',
				'heading'     => esc_html__( 'Footer Scheme', 'jnews' ),
				'description' => esc_html__( 'choose footer option you want to use', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
				'std'         => 'light',
				'value'       => array(
					esc_html__( 'Light', 'jnews' ) => 'light',
					esc_html__( 'Dark', 'jnews' )  => 'dark',
				)
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_text_color',
				'heading'     => esc_html__( 'Text Color', 'jnews' ),
				'description' => esc_html__( 'Footer text color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_link_color',
				'heading'     => esc_html__( 'Link Color', 'jnews' ),
				'description' => esc_html__( 'Footer link text color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_linkhover_color',
				'heading'     => esc_html__( 'Link Hover Color', 'jnews' ),
				'description' => esc_html__( 'Footer link hover text color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_widget_title_color',
				'heading'     => esc_html__( 'Widget Title Color', 'jnews' ),
				'description' => esc_html__( 'Footer widget title text color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_form_bg',
				'heading'     => esc_html__( 'Input Form Background', 'jnews' ),
				'description' => esc_html__( 'Footer input form background color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_form_color',
				'heading'     => esc_html__( 'Input Text Color', 'jnews' ),
				'description' => esc_html__( 'Footer input form text color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_button_bg',
				'heading'     => esc_html__( 'Button Background', 'jnews' ),
				'description' => esc_html__( 'Footer background color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );


			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_tags_bg',
				'heading'     => esc_html__( 'Widget: Tag Cloud Background', 'jnews' ),
				'description' => esc_html__( 'Widget Tag Cloud on footer background color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );

			vc_add_param( 'vc_row', array(
				'type'        => 'colorpicker',
				'param_name'  => 'footer_tags_color',
				'heading'     => esc_html__( 'Widget: Tag Cloud Text Color', 'jnews' ),
				'description' => esc_html__( 'Widget Tag Cloud on footer text color', 'jnews' ),
				'group'       => esc_html__( 'Footer Style', 'jnews' ),
			) );
		}
	}

	public function footer_post_type() {
		if ( is_admin() || jeg_is_frontend_vc() || jeg_is_frontend_elementor() ) {
			jnews_register_post_type( 'footer', array(
				'labels'          =>
					array(
						'name'               => esc_html__( 'Footer Builder', 'jnews' ),
						'singular_name'      => esc_html__( 'Footer Builder', 'jnews' ),
						'menu_name'          => esc_html__( 'Footer Builder', 'jnews' ),
						'add_new'            => esc_html__( 'Build Footer', 'jnews' ),
						'add_new_item'       => esc_html__( 'Build Custom Footer', 'jnews' ),
						'edit_item'          => esc_html__( 'Edit Footer Builder', 'jnews' ),
						'new_item'           => esc_html__( 'New Footer Entry', 'jnews' ),
						'view_item'          => esc_html__( 'View Custom Footer', 'jnews' ),
						'search_items'       => esc_html__( 'Search Footer Builder', 'jnews' ),
						'not_found'          => esc_html__( 'No entry found', 'jnews' ),
						'not_found_in_trash' => esc_html__( 'No Custom Footer in Trash', 'jnews' ),
						'parent_item_colon'  => ''
					),
				'description'     => esc_html__( 'Footer Builder', 'jnews' ),
				'public'          => true,
				'show_ui'         => true,
				'menu_position'   => 6,
				'capability_type' => 'post',
				'hierarchical'    => false,
				'supports'        => array( 'title', 'editor' ),
				'rewrite'         => array(
					'slug' => 'footer'
				)
			) );
		}
	}

	public function ajax_template_backend( $template_id, $template_type ) {
		if ( $template_type === 'footer_template' ) {
			$content = $this->get_template( $template_id );

			return $content;
		}

		return $template_id;
	}

	public function ajax_template_frontend( $template_id, $template_type ) {
		if ( $template_type === 'footer_template' ) {
			$saved_templates = $this->get_template( $template_id );
			vc_frontend_editor()->setTemplateContent( $saved_templates );
			vc_frontend_editor()->enqueueRequired();
			vc_include_template( 'editors/frontend_template.tpl.php', array(
				'editor' => vc_frontend_editor(),
			) );
			die();
		}

		return $template_id;
	}

	public function get_template( $template_id ) {
		ob_start();
		include "template/" . $template_id . ".txt";

		return ob_get_clean();
	}

	public function library() {
		$template = array();

		for ( $i = 1; $i <= 6; $i ++ ) {
			$data               = array();
			$data['name']       = 'Footer ' . $i;
			$data['unique_id']  = 'footer_' . $i;
			$data['image_path'] = get_template_directory_uri() . '/assets/img/admin/footer/footer-' . $i . '.jpg';
			$data['type']       = $this->category;

			$template[] = $data;
		}

		return $template;
	}
}
