<?php


namespace Materialis\Notify;


class NotificationsManager {

	const DISMISSED_NOTIFICATIONS_OPTION      = 'cp_dismissed_notifications';
	const INITIALIZATION_NOTIFICATIONS_OPTION = 'cp_initialize_notifications';


	private static $remote_data_url_base = 'http://extendthemes.com/wp-json/extendthemes/v1/notifications';

	public static function initializationTS() {
		 $time = get_option( static::INITIALIZATION_NOTIFICATIONS_OPTION, false );
		if ( ! $time ) {
			$time = time();
			update_option( static::INITIALIZATION_NOTIFICATIONS_OPTION, $time );
		}

		return ( floor( $time / 86400 ) * 86400 );
	}

	public static function isDevMode() {
		return ( defined( 'EXTENDTHEMES_NOTIFICATIONS_DEV_MODE' ) && EXTENDTHEMES_NOTIFICATIONS_DEV_MODE );
	}


	public static function getRemoteNotificationsURL() {
		$dev_mode = NotificationsManager::isDevMode();
		$base     = NotificationsManager::$remote_data_url_base;

		$query = array(
			'theme'      => get_template(),
			'stylesheet' => get_stylesheet(),
			'license'    => urlencode( '' ),
			'dev_mode'   => $dev_mode ? '1' : '0',
		);

		$query_string = build_query( $query );

		if ( $query_string ) {
			$query_string = '?' . $query_string;
		}

		return apply_filters( 'extendthemes_notifications_url', $base . $query_string, $base, $query );

	}

	public static function requestTimeout( $value ) {
		return 30;
	}

	public static function getRemoteNotifications() {
		$transientKey  = apply_filters( 'extendthemes_demo_import_transient_key', get_template() . '_notifications' );
		$notifications = null;
		if ( ! NotificationsManager::isDevMode() ) {
			$notifications = get_transient( $transientKey );
		}

		if ( ! $notifications ) {
			add_filter( 'http_request_timeout', array( __CLASS__, 'requestTimeout' ) );
			$data = wp_remote_get(
				NotificationsManager::getRemoteNotificationsURL(),
				array(
					'body' => array(),
				)
			);
			remove_filter( 'http_request_timeout', array( __CLASS__, 'requestTimeout' ) );

			if ( $data instanceof \WP_Error ) {
				if ( NotificationsManager::isDevMode() ) {
					die( $data->get_error_message() );
				}
			} else {
				$data = json_decode( $data['body'], true );

				if ( isset( $data['code'] ) && $data['code'] === 'extendthemes_notifications_data_ok' ) {
					$notifications = $data['data'];
					set_transient( $transientKey, $data['data'], 1800 );
				}
			}
		}

		wp_json_encode( $notifications );
	}


	public static function addRemoteNotifications( $current_notifications ) {
		$transientKey  = apply_filters( 'extendthemes_demo_import_transient_key', get_template() . '_notifications' );
		$notifications = get_transient( $transientKey );
		$notifications = is_array( $notifications ) ? $notifications : array();

		return array_merge( $notifications, $current_notifications );
	}

	public static function load( $notifications ) {
		add_action( 'wp_ajax_extendthemes_get_remote_data_notifications', array( __CLASS__, 'getRemoteNotifications' ) );
		if ( ! is_admin() ) {
			return;
		}
		static::initializationTS();

		if ( ! get_option( 'cp_initialize_notifications', false ) ) {
			update_option( 'cp_initialize_notifications', time() );
		}

		$notifications = NotificationsManager::addRemoteNotifications( $notifications );
		$notifications = apply_filters( 'cp_load_notifications', $notifications );

		foreach ( $notifications as $notification ) {
			new Notification( $notification );
		}

		if ( count( $notifications ) ) {
			add_action(
				'admin_head',
				function () {
					?>
				<style type="text/css">
					.cp-notification {
						padding-top: 0rem;
						padding-bottom: 0rem;
					}

					.cp-notification-card {
						padding: 30px 20px;
						margin: 0px 10px 20px 10px;
						display: inline-block;
						background: #fff;
						box-shadow: 0 1px 20px 5px rgba(0, 0, 0, 0.1);
					}

					.cp-notification-card:first-of-type {
						margin-left: 0px;
					}

					.cp-notification-card:last-of-type {
						margin-right: 0px;
					}

				</style>
					<?php
				}
			);

			add_action( 'wp_ajax_cp_dismiss_notification', array( __CLASS__, 'dismissNotification' ) );
		}

		add_action(
			'admin_footer',
			function () {
				$transientKey  = apply_filters( 'extendthemes_demo_import_transient_key', get_template() . '_notifications' );
				$notifications = get_transient( $transientKey );

				if ( is_array( $notifications ) && ! NotificationsManager::isDevMode() ) {
					return;
				}

				?>
			<script>
				jQuery.post(
					"<?php echo admin_url( '/admin-ajax.php' ); ?>",
					{
						action: "extendthemes_get_remote_data_notifications"
					}
				)
			</script>
				<?php
			}
		);

	}

	public static function getCurrentNotificationsNames() {
		$notifications = NotificationsManager::addRemoteNotifications( array() );
		$names         = array();
		foreach ( $notifications as $notification ) {
			$names[] = $notification['name'];
		}
		return $names;
	}


	public static function dismissNotification() {
		if ( ! is_user_logged_in() || ! current_user_can( 'edit_theme_options' ) ) {
			die();
		}

		// there is no need to sanitize the name field because it is checked against an array of possible values
		$name                = isset( $_REQUEST['notification'] ) ? $_REQUEST['notification'] : false;
		$notifications_names = NotificationsManager::getCurrentNotificationsNames();

		if ( $name ) {

			// if the name is not a valid notification name skip adding it to the dismissed array
			if ( ! in_array( $name, $notifications_names ) ) {
				return;
			}

			$dismissedNotifications = get_option( static::DISMISSED_NOTIFICATIONS_OPTION, array() );
			if ( ! in_array( $name, $dismissedNotifications ) ) {
				$dismissedNotifications[] = $name;
			}

			update_option( static::DISMISSED_NOTIFICATIONS_OPTION, $dismissedNotifications );
		}

	}

}
