<?php
/**
 * UABB Cloud Templates initial setup
 *
 * @since 1.0
 * @package UABB Cloud Templates
 */

if ( ! class_exists( 'UABB_Cloud_Templates' ) ) {
	/**
	 * This class initializes UABB Cloud Templates
	 *
	 * @class UABB_Cloud_Templates
	 */
	class UABB_Cloud_Templates {
		/**
		 * Holds an instance of Cloud Templates.
		 *
		 * @since 1.0
		 * @var $instance instance
		 */
		private static $instance;
		/**
		 * Holds an cloud URL.
		 *
		 * @since 1.0
		 * @var $cloud_url cloud_url
		 */
		private static $cloud_url;
		/**
		 * Holds an UABB file system.
		 *
		 * @since 1.0
		 * @var $uabb_filesystem UABB filesystem
		 */
		protected static $uabb_filesystem = null;

		/**
		 *  Initiator
		 *
		 * @since 1.0
		 */
		public static function get_instance() {
			if ( ! isset( self::$instance ) ) {
				self::$instance = new UABB_Cloud_Templates();
			}
			return self::$instance;
		}

		/**
		 * Constructor function that initializes required actions and hooks
		 *
		 * @since 1.0
		 */
		function __construct() {

			self::$cloud_url = array(
				'page-templates' => 'https://templates.ultimatebeaver.com/wp-json/uabb-lite/v1/template/layouts/',
				'sections'       => 'http://templates.ultimatebeaver.com/wp-json/uabb-lite/v1/template/sections/',
				'presets'        => 'http://templates.ultimatebeaver.com/wp-json/uabb-lite/v1/template/presets/',
			);

			add_action( 'wp_ajax_uabb_cloud_dat_file_fetch', array( $this, 'fetch_cloud_templates' ) );
		}
		/**
		 * Transient cloud templates
		 *
		 * @since 1.0
		 */
		static function reset_cloud_transient() {

			// get - downloaded templates.
			$cloud_templates      = array();
			$downloaded_templates = get_site_option( '_uabb_cloud_templats', false );

			// get - cloud templates by type.
			foreach ( self::$cloud_url as $type => $url ) {

				$response = wp_remote_get(
					$url,
					array(
						'timeout'     => 30,
						'sslverify'   => false,
						'httpversion' => '1.1',
					)
				);

				if ( is_wp_error( $response ) ) {
					$type_templates = 'wp_error';
				}

				$type_templates = json_decode( wp_remote_retrieve_body( $response ), 1 );

				/**
				 *  Has {cloud} && has {downloaded}
				 *
				 *  Then, keep latest & installed templates.
				 */
				if (
					( is_array( $type_templates ) && count( $type_templates ) > 0 ) &&
					( is_array( $downloaded_templates[ $type ] ) && count( $downloaded_templates[ $type ] ) > 0 )
				) {

					/**
					 * Handle unexpected JSON response
					 */
					if (
						array_key_exists( 'code', $type_templates ) ||
						array_key_exists( 'message', $type_templates ) ||
						array_key_exists( 'data', $type_templates )
					) {
						return;
					}

					foreach ( $downloaded_templates[ $type ] as $key => $template ) {

						/**
						 *  Found in template id in local templates?
						 *  then, add 'status' & 'dat_url_local' to the template by matching its template id
						 */
						if ( array_key_exists( $key, $type_templates ) ) {

							$type_templates[ $key ]['status']        = ( isset( $downloaded_templates[ $type ][ $key ]['status'] ) ) ? $downloaded_templates[ $type ][ $key ]['status'] : '';
							$type_templates[ $key ]['dat_url_local'] = ( isset( $downloaded_templates[ $type ][ $key ]['dat_url_local'] ) ) ? $downloaded_templates[ $type ][ $key ]['dat_url_local'] : '';

							/**
							 *  Not found local template id in new templates
							 *  then add template to new template array
							 */
						} else {

							/**
							 *  Only downloaded old templates are added in new templates
							 *  If old template is not downloaded recently then it'll be removed.
							 */
							if (
								( array_key_exists( 'status', $downloaded_templates[ $type ][ $key ] ) ) &&
								( array_key_exists( 'dat_url_local', $downloaded_templates[ $type ][ $key ] ) )
							) {

								/**
								 *  Add if 'status' == 'true' &&
								 *  Add if not empty 'dat_url_local'
								 */
								if ( ( 'true' == $downloaded_templates[ $type ][ $key ]['status'] ) && ( ! empty( $downloaded_templates[ $type ][ $key ]['dat_url_local'] ) )
								) {
									$type_templates[ $key ] = $downloaded_templates[ $type ][ $key ];
								}
							}
						}
					}

					$cloud_templates[ $type ] = $type_templates;

					/**
					 *  Has {cloud} && NOT has {downloaded}
					 *
					 *  Then, keep cloud.
					 */
				} elseif ( ( is_array( $type_templates ) && count( $type_templates ) > 0 ) && ( 0 == count( $downloaded_templates[ $type ] ) )
					) {

					$cloud_templates[ $type ] = $type_templates;

					/**
					 *  NOT has {cloud} && has {downloaded}
					 *
					 *  Then, keep downloaded.
					 */
				} elseif ( 0 == $type_templates && count( $downloaded_templates[ $type ] ) > 0 ) {

					$cloud_templates[ $type ] = $downloaded_templates[ $type ];
				}
			}

			/**
			 * Finally update the cloud templates
			 *
			 * So, used update_site_option() to update network option '_uabb_cloud_templats'
			 */
			update_site_option( '_uabb_cloud_templats', $cloud_templates, true );
		}

		/**
		 * Get cloud templates
		 *
		 * @since 1.0
		 * @param string $type gets the type of the cloud templates.
		 */
		static function get_cloud_templates_count( $type = '' ) {
			$templates       = get_site_option( '_uabb_cloud_templats', false );
			$templates_count = 0;

			if ( is_array( $templates ) && count( $templates ) > 0 ) {
				switch ( $type ) {
					case 'page-templates':
					case 'presets':
						if ( array_key_exists( $type, $templates ) ) {
							$templates_count = count( $templates[ $type ] );
						}
						break;
					case 'sections':
						if ( array_key_exists( $type, $templates ) ) {
							if ( is_array( $templates[ $type ] ) && count( $templates[ $type ] ) > 1 ) {
								foreach ( $templates[ $type ] as $id => $template ) {
									$count           = ( isset( $template['count'] ) ) ? $template['count'] : 0;
									$templates_count = $templates_count + $count;
								}
							}
						}
						break;
					default:
						foreach ( self::$cloud_url as $type => $url ) {
							$templates_count = $templates_count + count( $templates[ $type ] );
						}
						break;
				}
			}

			return $templates_count;
		}

		/**
		 * Get cloud templates
		 *
		 * @since 1.0
		 * @param string $type gets the type of the cloud templates.
		 */
		static function get_cloud_templates( $type = '' ) {

			$templates = get_site_option( '_uabb_cloud_templats', false );

			if ( ! empty( $templates ) ) {

				// Return all templates.
				if ( empty( $type ) ) {
					return $templates;

					// Return specific templates.
				} else {
					return $templates[ $type ];
				}
			} else {
				return array();
			}

		}

		/**
		 * Fetch cloud templates
		 *
		 * @since 1.0
		 */
		function fetch_cloud_templates() {
			self::reset_cloud_transient();
			$ajaxResult['status'] = 'success'; // @codingStandardsIgnoreLine.

			// Result.
			echo json_encode( $ajaxResult ); // @codingStandardsIgnoreLine.

			die();
		}

		/**
		 * Function that renders dat file type
		 *
		 * @since 1.0
		 * @param file $dat_file_type gets the DAT file type.
		 */
		function get_right_type_key( $dat_file_type ) {

			// Update the key.
			if ( 'module' == $dat_file_type ) {
				$dat_file_type = 'presets';
			}
			if ( 'layout' == $dat_file_type ) {
				$dat_file_type = 'page-templates';
			}
			if ( 'row' == $dat_file_type ) {
				$dat_file_type = 'sections';
			}

			return $dat_file_type;
		}

		/**
		 * Function that renders load filesystem
		 *
		 * @since 1.0
		 */
		public static function load_filesystem() {
			if ( null === self::$uabb_filesystem ) {
				require_once ABSPATH . '/wp-admin/includes/class-wp-filesystem-base.php';
				require_once ABSPATH . '/wp-admin/includes/class-wp-filesystem-direct.php';
				self::$uabb_filesystem = new WP_Filesystem_Direct( array() );
			}
		}

		/**
		 * Messages
		 *
		 * @since 1.0
		 * @param string $msg gets an string message.
		 */
		static function message( $msg ) {
			if ( ! empty( $msg ) ) {
				if ( 'not-found' == $msg ) { ?>
					<div class="uabb-cloud-templates-not-found">

						<h3> <?php printf( __( 'Welcome to %s Template Cloud!', 'uabb' ), UABB_PREFIX ); // @codingStandardsIgnoreLine. ?> </h3>
						<p> <?php printf( __( '%s Template Cloud would allow you to browse through our growing library of 150+ professionally designed templates and download the only ones that you need.', 'uabb' ), UABB_PREFIX ); ?> <span class="uabb-cloud-process button-primary" data-operation="fetch"> <i class="dashicons dashicons-update " style="display: none; padding: 3px;"></i> <?php _e( "Let's get started", 'uabb' ); // @codingStandardsIgnoreLine. ?> &rarr; </span></p>

					</div>
					<?php
				}
			}
		}

		/**
		 * Template HTML
		 *
		 * @since 1.0
		 * @param string $type gets the type page-templates.
		 */
		static function template_html( $type = 'page-templates' ) {

			$templates = self::get_cloud_templates( $type );

			if ( is_array( $templates ) && count( $templates ) > 0 ) {
				?>

				<div class="uabb-templates-showcase-<?php echo $type; ?>">

					<?php if ( 'page-templates' == $type ) { ?>

						<ul class="uabb-templates-filter">
							<li><a class="active" href="#" data-group="all"><?php _e( 'All', 'uabb' ); ?> </a></li>
							<?php

								$tags = array();
							foreach ( $templates as $temp_id => $temp_meta ) {
								$temp_meta_tags = ( isset( $temp_meta['tags'] ) ) ? $temp_meta['tags'] : '';
								if ( is_array( $temp_meta_tags ) ) {
									foreach ( $temp_meta_tags as $curr_tag ) {
										$tags[] = $curr_tag;
									}
								}
							}

								$tags = array_unique( $tags );      // Remove duplicates.
								sort( $tags );                      // Sort.

							foreach ( $tags as $key => $tag ) {
								$tag_title = strtolower( str_replace( ' ', '-', $tag ) );
								if ( 'home-pages' == $tag_title ) {
									echo '<li><a href="#" data-group="home-pages" class="home-pages">Home Pages</a></li>';
									unset( $tags[ $key ] );
								}
							}

							foreach ( $tags as $tag ) {
								$tag_title = strtolower( str_replace( ' ', '-', $tag ) );
								?>
									<li><a href="#" data-group='<?php echo $tag_title; ?>' class="<?php echo $tag_title; ?>"><?php echo $tag; ?></a></li>
								<?php } ?>
						</ul><!-- #uabb-templates-filter -->
					<?php } ?>

					<div id="uabb-templates-<?php echo $type; ?>" class="uabb-templates-<?php echo $type; ?>">

						<?php
						foreach ( $templates as $template_id => $single_post ) {

							$data['id']          = ( isset( $single_post['id'] ) ) ? $single_post['id'] : '';
							$data['name']        = ( isset( $single_post['name'] ) ) ? $single_post['name'] : '';
							$data['image']       = ( isset( $single_post['image'] ) ) ? $single_post['image'] : '';
							$data['type']        = ( isset( $single_post['type'] ) ) ? $single_post['type'] : '';
							$data['status']      = ( isset( $single_post['status'] ) ) ? $single_post['status'] : '';
							$data['preview_url'] = ( isset( $single_post['preview_url'] ) ) ? $single_post['preview_url'] : '';
							$data['count']       = ( isset( $single_post['count'] ) ) ? $single_post['count'] : '';
							$data['tags']        = ( isset( $single_post['tags'] ) ) ? $single_post['tags'] : '';

							$template_class = ( 'true' == $data['status'] ) ? 'uabb-downloaded' : '';

							// get all single template tags.
							$tags = array();
							if ( is_array( $data['tags'] ) ) {
								foreach ( $data['tags'] as $curr_tag ) {
									$tag_title = strtolower( str_replace( ' ', '-', $curr_tag ) );
									$tags[]    = $tag_title;
								}
							}

							/* Add downloaded tag */
							if ( 'true' == $data['status'] ) {
								$tags[] = 'installed';
							}

							$tags = array_unique( $tags );
							$tags = implode( '", "', $tags );
							?>
							<div id="<?php echo $data['id']; ?>" data-groups='["<?php echo $tags; ?>"]' class="uabb-template-block uabb-single-<?php echo $type; ?> <?php echo $template_class; ?>" data-is-downloaded="<?php echo $data['status']; ?>">
								<div class="uabb-template">

									<div class="uabb-template-screenshot" data-template-name="<?php echo $data['name']; ?>" data-preview-url="<?php echo $data['preview_url']; ?>" data-template-id='<?php echo $data['id']; ?>' data-template-type='<?php echo $type; ?>'>

										<?php if ( 'page-templates' == $type ) { ?>
											<img data-original="<?php echo $data['image']; ?>" alt="">
											<noscript>
												<img src="<?php echo $data['image']; ?>" alt="">
											</noscript>
											<span class="more-details"> <?php _e( 'Preview', 'uabb' ); ?> </span>
										<?php } else { ?>
											<h2 class="uabb-template-name"> <?php echo $data['name']; ?> </h2>
											<div class="uabb-count"><?php echo $data['count']; ?></div>
										<?php } ?>

									</div>
									<div class="uabb-template-info">
										<h2 class="uabb-template-name"> <?php echo $data['name']; ?> </h2>
										<div class="uabb-template-actions">
											<span class="button button-sucess uabb-installed-btn">
												<i class="dashicons dashicons-yes" style="padding: 3px;"></i>
												<span class="msg"> <?php _e( 'Upgrade', 'uabb' ); ?> </span>
											</span>
										</div>
									</div>
								</div>
							</div>

						<?php } ?>

					</div><!-- #uabb-templates-list -->

				</div><!-- #uabb-templates -->

				<?php

				/**
				 * Debugging
				 */
				if ( isset( $_GET['debug'] ) ) {
					if ( count( $templates ) < 1 ) {
						?>
						<h2> <?php _e( 'Templates are disabled from RestAPI.', 'uabb' ); ?> </h2>
						<?php
						print_r( $templates );
					}
				}
			} else {

				// Message for no templates found.
				UABB_Cloud_Templates::message( 'not-found' );
			}

		}

		/**
		 * Create local directory if not exist.
		 *
		 * @since 1.0
		 * @param string $dir_name verifies the dir name with bb-ultimate-addon.
		 */
		static public function create_local_dir( $dir_name = 'bb-ultimate-addon' ) {

			$wp_info = wp_upload_dir();

			if ( function_exists( 'FLBuilderModel' ) ) {
				// SSL workaround.
				if ( FLBuilderModel::is_ssl() ) {
					$wp_info['baseurl'] = str_ireplace( 'http://', 'https://', $wp_info['baseurl'] );
				}
			}

			// Build the paths.
			$dir_info = array(
				'path' => $wp_info['basedir'] . '/' . $dir_name . '/',
				'url'  => $wp_info['baseurl'] . '/' . $dir_name . '/',
			);

			// Create the upload dir if it doesn't exist.
			if ( ! file_exists( $dir_info['path'] ) ) {

				// Create the directory.
				mkdir( $dir_info['path'] );

				// Add an index file for security.
				file_put_contents( $dir_info['path'] . 'index.html', '' );
			}

			return $dir_info;
		}

	}
}

/**
*  Kicking this off by calling 'get_instance()' method
*/
$UABB_Cloud_Templates = UABB_Cloud_Templates::get_instance(); // @codingStandardsIgnoreLine.