<?php
namespace um\admin\core;

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'um\admin\core\Admin_Notices' ) ) {


	/**
	 * Class Admin_Notices
	 * @package um\admin\core
	 */
	class Admin_Notices {

		/**
		 * Notices list
		 *
		 * @var array
		 */
		var $list = array();


		/**
		 * Admin_Notices constructor.
		 */
		function __construct() {
			add_action( 'admin_init', array( &$this, 'create_languages_folder' ) );

			add_action( 'admin_init', array( &$this, 'create_list' ), 10 );
			add_action( 'admin_notices', array( &$this, 'render_notices' ), 1 );

			add_action( 'wp_ajax_um_dismiss_notice', array( &$this, 'dismiss_notice' ) );
		}


		function create_list() {
			$this->old_extensions_notice();
			$this->install_core_page_notice();
			$this->exif_extension_notice();
			$this->show_update_messages();
			$this->check_wrong_install_folder();
			$this->admin_notice_opt_in();
			$this->need_upgrade();
			$this->check_wrong_licenses();

			$this->reviews_notice();

			//$this->future_changed();

			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_admin_create_notices
			 * @description Add notices to wp-admin
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_admin_create_notices', 'function_name', 10 );
			 * @example
			 * <?php
			 * add_action( 'um_admin_create_notices', 'my_admin_create_notices', 10 );
			 * function my_admin_create_notices() {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( 'um_admin_create_notices' );
		}


		/**
		 * @return array
		 */
		function get_admin_notices() {
			return $this->list;
		}


		/**
		 * @param $admin_notices
		 */
		function set_admin_notices( $admin_notices ) {
			$this->list = $admin_notices;
		}


		/**
		 * @param $a
		 * @param $b
		 *
		 * @return mixed
		 */
		function notice_priority_sort( $a, $b ) {
			if ( $a['priority'] == $b['priority'] ) {
				return 0;
			}
			return ( $a['priority'] < $b['priority'] ) ? -1 : 1;
		}


		/**
		 * Add notice to UM notices array
		 *
		 * @param string $key
		 * @param array $data
		 * @param int $priority
		 */
		function add_notice( $key, $data, $priority = 10 ) {
			$admin_notices = $this->get_admin_notices();

			if ( empty( $admin_notices[ $key ] ) ) {
				$admin_notices[ $key ] = array_merge( $data, array( 'priority' => $priority ) );
				$this->set_admin_notices( $admin_notices );
			}
		}


		/**
		 * Remove notice from UM notices array
		 *
		 * @param string $key
		 */
		function remove_notice( $key ) {
			$admin_notices = $this->get_admin_notices();

			if ( ! empty( $admin_notices[ $key ] ) ) {
				unset( $admin_notices[ $key ] );
				$this->set_admin_notices( $admin_notices );
			}
		}


		/**
		 * Render all admin notices
		 */
		function render_notices() {
			if ( ! current_user_can( 'manage_options' ) ) {
				return;
			}

			$admin_notices = $this->get_admin_notices();

			$hidden = get_option( 'um_hidden_admin_notices', array() );

			uasort( $admin_notices, array( &$this, 'notice_priority_sort' ) );

			foreach ( $admin_notices as $key => $admin_notice ) {
				if ( empty( $hidden ) || ! in_array( $key, $hidden ) ) {
					$this->display_notice( $key );
				}
			}

			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_admin_after_main_notices
			 * @description Insert some content after main admin notices
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_admin_after_main_notices', 'function_name', 10 );
			 * @example
			 * <?php
			 * add_action( 'um_admin_after_main_notices', 'my_admin_after_main_notices', 10 );
			 * function my_admin_after_main_notices() {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( 'um_admin_after_main_notices' );
		}


		/**
		 * Display single admin notice
		 *
		 * @param string $key
		 * @param bool $echo
		 *
		 * @return void|string
		 */
		function display_notice( $key, $echo = true ) {
			$admin_notices = $this->get_admin_notices();

			if ( empty( $admin_notices[ $key ] ) ) {
				return;
			}

			$notice_data = $admin_notices[ $key ];

			$class = ! empty( $notice_data['class'] ) ? $notice_data['class'] : 'updated';

			$dismissible = ! empty( $admin_notices[ $key ]['dismissible'] );

			ob_start(); ?>

			<div class="<?php echo esc_attr( $class ) ?> um-admin-notice notice <?php echo $dismissible ? 'is-dismissible' : '' ?>" data-key="<?php echo $key ?>">
				<?php echo ! empty( $notice_data['message'] ) ? $notice_data['message'] : '' ?>
			</div>

			<?php $notice = ob_get_clean();
			if ( $echo ) {
				echo $notice;
				return;
			} else {
				return $notice;
			}
		}


		/**
		 * To store plugin languages
		 */
		function create_languages_folder() {
			$path = UM()->files()->upload_basedir;
			$path = str_replace( '/uploads/ultimatemember', '', $path );
			$path = $path . '/languages/plugins/';
			$path = str_replace( '//', '/', $path );

			if ( ! file_exists( $path ) ) {
				$old = umask(0);
				@mkdir( $path, 0777, true );
				umask( $old );
			}
		}


		/**
		 * Show notice for customers with old extension's versions
		 */
		function old_extensions_notice() {
			$show = false;

			$old_extensions = array(
				'bbpress',
				'followers',
				'friends',
				'instagram',
				'mailchimp',
				'messaging',
				'mycred',
				'notices',
				'notifications',
				'online',
				'private-content',
				'profile-completeness',
				'recaptcha',
				'reviews',
				'social-activity',
				'social-login',
				'terms-conditions',
				'user-tags',
				'verified-users',
				'woocommerce',
			);

			$slugs = array_map( function( $item ) {
				return 'um-' . $item . '/um-' . $item . '.php';
			}, $old_extensions );

			$active_plugins = UM()->dependencies()->get_active_plugins();
			foreach ( $slugs as $slug ) {
				if ( in_array( $slug, $active_plugins ) ) {
					$plugin_data = get_plugin_data( um_path . '..' . DIRECTORY_SEPARATOR . $slug );
					if ( version_compare( '2.0', $plugin_data['Version'], '>' ) ) {
						$show = true;
						break;
					}
				}
			}

			if ( ! $show ) {
				return;
			}

			$this->add_notice( 'old_extensions', array(
				'class' => 'error',
				'message' => '<p>' . sprintf( __( '<strong>%s %s</strong> requires 2.0 extensions. You have pre 2.0 extensions installed on your site. <br /> Please update %s extensions to latest versions. For more info see this <a href="%s" target="_blank">doc</a>.', 'ultimate-member' ), ultimatemember_plugin_name, ultimatemember_version, ultimatemember_plugin_name, 'http://docs.ultimatemember.com/article/266-updating-to-2-0-versions-of-extensions' ) . '</p>',
			), 0 );
		}


		/**
		 * Regarding page setup
		 */
		function install_core_page_notice() {
			$pages = UM()->config()->permalinks;

			if ( $pages && is_array( $pages ) ) {

				foreach ( $pages as $slug => $page_id ) {
					$page = get_post( $page_id );

					if ( ! isset( $page->ID ) && in_array( $slug, array_keys( UM()->config()->core_pages ) ) ) {

						ob_start(); ?>

						<p>
							<?php printf( __( '%s needs to create several pages (User Profiles, Account, Registration, Login, Password Reset, Logout, Member Directory) to function correctly.', 'ultimate-member' ), ultimatemember_plugin_name ); ?>
						</p>

						<p>
							<a href="<?php echo esc_attr( add_query_arg( 'um_adm_action', 'install_core_pages' ) ); ?>" class="button button-primary"><?php _e( 'Create Pages', 'ultimate-member' ) ?></a>
							&nbsp;
							<a href="javascript:void(0);" class="button-secondary um_secondary_dimiss"><?php _e( 'No thanks', 'ultimate-member' ) ?></a>
						</p>

						<?php $message = ob_get_clean();

						$this->add_notice( 'wrong_pages', array(
							'class'         => 'updated',
							'message'       => $message,
							'dismissible'   => true
						), 20 );

						break;
					}
				}

				if ( isset( $pages['user'] ) ) {
					$test = get_post( $pages['user'] );
					if ( isset( $test->post_parent ) && $test->post_parent > 0 ) {
						$this->add_notice( 'wrong_user_page', array(
							'class'     => 'updated',
							'message'   => '<p>' . __( 'Ultimate Member Setup Error: User page can not be a child page.', 'ultimate-member' ) . '</p>',
						), 25 );
					}
				}

				if ( isset( $pages['account'] ) ) {
					$test = get_post( $pages['account'] );
					if ( isset( $test->post_parent ) && $test->post_parent > 0 ) {
						$this->add_notice( 'wrong_account_page', array(
							'class'     => 'updated',
							'message'   => '<p>' . __( 'Ultimate Member Setup Error: Account page can not be a child page.', 'ultimate-member' ) . '</p>',
						), 30 );
					}
				}

			}
		}


		/**
		* EXIF library notice
		*/
		function exif_extension_notice() {
			$hide_exif_notice = get_option( 'um_hide_exif_notice' );

			if ( ! extension_loaded( 'exif' ) && ! $hide_exif_notice ) {
				$this->add_notice( 'exif_disabled', array(
					'class'     => 'updated',
					'message'   => '<p>' . sprintf(__( 'Exif is not enabled on your server. Mobile photo uploads will not be rotated correctly until you enable the exif extension. <a href="%s">Hide this notice</a>', 'ultimate-member' ), add_query_arg('um_adm_action', 'um_hide_exif_notice') ) . '</p>',
				), 10 );
			}
		}


		/**
		 * Updating users
		 */
		function show_update_messages() {

			if ( ! isset( $_REQUEST['update'] ) ) {
				return;
			}

			$update = $_REQUEST['update'];
			switch( $update ) {

				case 'confirm_delete':
					$confirm_uri = admin_url( 'users.php?' . http_build_query( array(
						'um_adm_action' => 'delete_users',
						'user'          => array_map( 'intval', (array) $_REQUEST['user'] ),
						'confirm'       => 1
					) ) );
					$users = '';

					if ( isset( $_REQUEST['user'] ) ){
						foreach ( $_REQUEST['user'] as $user_id ) {
							$user = get_userdata( $user_id );
							$users .= '#' . $user_id . ': ' . $user->user_login . '<br />';
						}
					}

					$ignore = admin_url('users.php');

					$messages[0]['err_content'] = sprintf( __( 'Are you sure you want to delete the selected user(s)? The following users will be deleted: <p>%s</p> <strong>This cannot be undone!</strong>','ultimate-member'), $users);
					$messages[0]['err_content'] .= '<p><a href="'. esc_html( $confirm_uri ) .'" class="button-primary">' . __( 'Remove', 'ultimate-member' ) . '</a>&nbsp;&nbsp;<a href="'.$ignore.'" class="button">' . __('Undo','ultimate-member') . '</a></p>';

					break;

				case 'language_updated':
					$messages[0]['content'] = __( 'Your translation files have been updated successfully.', 'ultimate-member' );
					break;

				case 'purged_temp':
					$messages[0]['content'] = __( 'Your temp uploads directory is now clean.', 'ultimate-member' );
					break;

				case 'cleared_cache':
					$messages[0]['content'] = __( 'Your user cache is now removed.', 'ultimate-member' );
					break;

				case 'got_updates':
					$messages[0]['content'] = __( 'You got the latest upgrades.', 'ultimate-member' );
					break;

				case 'often_updates':
					$messages[0]['err_content'] = __( 'Try again later. You can run this action once daily.', 'ultimate-member' );
					break;

				case 'form_duplicated':
					$messages[0]['content'] = __( 'The form has been duplicated successfully.', 'ultimate-member' );
					break;

				case 'user_updated':
					$messages[0]['content'] = __( 'User has been updated.', 'ultimate-member' );
					break;

				case 'users_updated':
					$messages[0]['content'] = __( 'Users have been updated.', 'ultimate-member' );
					break;

				case 'users_role_updated':
					$messages[0]['content'] = __( 'Changed roles.', 'ultimate-member' );
					break;

				case 'err_users_updated':
					$messages[0]['err_content'] = __( 'Super administrators cannot be modified.', 'ultimate-member' );
					$messages[1]['content'] = __( 'Other users have been updated.', 'ultimate-member' );

			}

			if ( ! empty( $messages ) ) {
				foreach ( $messages as $message ) {
					if ( isset( $message['err_content'] ) ) {
						$this->add_notice( 'actions', array(
							'class'     => 'error',
							'message'   => '<p>' . $message['err_content'] . '</p>',
						), 50 );
					} else {
						$this->add_notice( 'actions', array(
							'class'     => 'updated',
							'message'   => '<p>' . $message['content'] . '</p>',
						), 50 );
					}
				}
			}

		}


		/**
		 * Check if plugin is installed with correct folder
		 */
		function check_wrong_install_folder() {
			$invalid_folder = false;

			$slug_array = explode( '/', um_plugin );
			if ( $slug_array[0] != 'ultimate-member' ) {
				$invalid_folder = true;
			}

			if ( $invalid_folder ) {
				$this->add_notice( 'invalid_dir', array(
					'class'     => 'error',
					'message'   => '<p>' . sprintf( __( 'You have installed <strong>%s</strong> with wrong folder name. Correct folder name is <strong>"ultimate-member"</strong>.', 'ultimate-member' ), ultimatemember_plugin_name ) . '</p>',
				), 1 );
			}
		}


		/**
		 * Show admin notices
		 */
		public function admin_notice_opt_in() {

			if ( ! current_user_can( 'manage_options' ) ) {
				return;
			}

			//backward compatibility
			$hide_notice = get_option( 'um_tracking_notice' );

			if ( $hide_notice ) {
				return;
			}

			ob_start(); ?>

			<p>
				<?php printf( __( 'Thanks for installing <strong>%s</strong>! We hope you like the plugin. To fund full-time development and support of the plugin we also sell extensions. If you subscribe to our mailing list we will send you a 20%% discount code for our <a href="%s" target="_blank">extensions bundle</a>.', 'ultimate-member' ), ultimatemember_plugin_name, 'https://ultimatemember.com/core-extensions-bundle/' ); ?>
			</p>

			<p>
				<a href="http://ultimatemember.com/discount/" target="_blank" id="um_opt_in_start" class="button button-primary"><?php _e( 'Claim 20% discount code', 'ultimate-member' ) ?></a>
				&nbsp;
				<a href="javascript:void(0);" class="button-secondary um_opt_in_link"><?php _e( 'No thanks', 'ultimate-member' ) ?></a>
			</p>

			<?php $message = ob_get_clean();

			$this->add_notice( 'opt_in_notice', array(
				'class'     => 'updated',
				'message'   => $message,
				'dismissible' => true
			), 2 );
		}


		function check_wrong_licenses() {
			$invalid_license = 0;
			$arr_inactive_license_keys = array();

			if ( empty( UM()->admin_settings()->settings_structure['licenses']['fields'] ) ) {
				return;
			}

			foreach ( UM()->admin_settings()->settings_structure['licenses']['fields'] as $field_data ) {
				$license = get_option( "{$field_data['id']}_edd_answer" );

				if ( ( is_object( $license ) && 'valid' == $license->license ) || 'valid' == $license )
					continue;

				if ( ( is_object( $license ) && 'inactive' == $license->license ) || 'inactive' == $license ) {
					$arr_inactive_license_keys[ ] = $license->item_name;
				}

				$invalid_license++;
			}

			if ( ! empty(  $arr_inactive_license_keys ) ) {
				$this->add_notice( 'license_key', array(
					'class'     => 'error',
					'message'   => '<p>' . sprintf( __( 'There are %d inactive %s license keys for this site. This site is not authorized to get plugin updates. You can active this site on <a href="%s">www.ultimatemember.com</a>.', 'ultimate-member' ), count( $arr_inactive_license_keys ) , ultimatemember_plugin_name, 'https://ultimatemember.com' ) . '</p>',
				), 3 );
			}

			if ( $invalid_license ) {
				$this->add_notice( 'license_key', array(
					'class'     => 'error',
					'message'   => '<p>' . sprintf( __( 'You have %d invalid or expired license keys for %s. Please go to the <a href="%s">Licenses page</a> to correct this issue.', 'ultimate-member' ), $invalid_license, ultimatemember_plugin_name, add_query_arg( array('page'=>'um_options', 'tab' => 'licenses'), admin_url( 'admin.php' ) ) ) . '</p>',
				), 3 );
			}
		}


		function need_upgrade() {
			if ( ! empty( UM()->admin_upgrade()->necessary_packages ) ) {

				$url = add_query_arg( array( 'page' => 'um_upgrade' ), admin_url( 'admin.php' ) );

				ob_start(); ?>

				<p>
					<?php printf( __( '<strong>%s version %s</strong> needs to be updated to work correctly.<br />It is necessary to update the structure of the database and options that are associated with <strong>%s %s</strong>.<br />Please visit <a href="%s">"Upgrade"</a> page and run the upgrade process.', 'ultimate-member' ), ultimatemember_plugin_name, ultimatemember_version, ultimatemember_plugin_name, ultimatemember_version, $url ); ?>
				</p>

				<p>
					<a href="<?php echo esc_url( $url ) ?>" class="button button-primary"><?php _e( 'Upgrade Now', 'ultimate-member' ) ?></a>
					&nbsp;
				</p>

				<?php $message = ob_get_clean();

				$this->add_notice( 'upgrade', array(
					'class'     => 'error',
					'message'   => $message,
				), 4 );
			} else {
				if ( isset( $_GET['msg'] ) && 'updated' == $_GET['msg'] ) {
					$this->add_notice( 'upgrade', array(
						'class'     => 'updated',
						'message'   => '<p>' . sprintf( __( '<strong>%s %s</strong> Successfully Upgraded', 'ultimate-member' ), ultimatemember_plugin_name, ultimatemember_version ) . '</p>',
					), 4 );
				}
			}
		}


		/**
		 *
		 */
		function reviews_notice() {

			$first_activation_date = get_option( 'um_first_activation_date', false );

			if ( empty( $first_activation_date ) ) {
				return;
			}

			if ( $first_activation_date + 2*WEEK_IN_SECONDS > time() ) {
				return;
			}

			ob_start(); ?>

			<div id="um_start_review_notice">
				<p>
					<?php printf( __( 'Hey there! It\'s been one month since you installed %s. How have you found the plugin so far?', 'ultimate-member' ), ultimatemember_plugin_name ) ?>
				</p>
				<p>
					<a href="javascript:void(0);" id="um_add_review_love"><?php _e( 'I love it!', 'ultimate-member' ) ?></a>&nbsp;|&nbsp;
					<a href="javascript:void(0);" id="um_add_review_good"><?php _e('It\'s good but could be better', 'ultimate-member' ) ?></a>&nbsp;|&nbsp;
					<a href="javascript:void(0);" id="um_add_review_bad"><?php _e('I don\'t like the plugin', 'ultimate-member' ) ?></a>
				</p>
			</div>
			<div class="um_hidden_notice" data-key="love">
				<p>
					<?php printf( __( 'Great! We\'re happy to hear that you love the plugin. It would be amazing if you could let others know why you like %s by leaving a review of the plugin. This will help %s to grow and become more popular and would be massively appreciated by us!' ), ultimatemember_plugin_name, ultimatemember_plugin_name ); ?>
				</p>

				<p>
					<a href="https://wordpress.org/support/plugin/ultimate-member/reviews/?rate=5#new-post" target="_blank" class="button button-primary um_review_link"><?php _e( 'Leave Review', 'ultimate-member' ) ?></a>
				</p>
			</div>
			<div class="um_hidden_notice" data-key="good">
				<p>
					<?php _e( 'We\'re glad to hear that you like the plugin but we would love to get your feedback so we can make the plugin better.' ); ?>
				</p>

				<p>
					<a href="https://ultimatemember.com/feedback/" target="_blank" class="button button-primary um_review_link"><?php _e( 'Provide Feedback', 'ultimate-member' ) ?></a>
				</p>
			</div>
			<div class="um_hidden_notice" data-key="bad">
				<p>
					<?php printf( __( 'We\'re sorry to hear that. If you\'re having the issue with the plugin you can create a topic on our <a href="%s" target="_blank">support forum</a> and we will try and help you out with the issue. Alternatively if you have an idea on how we can make the plugin better or want to tell us what you don\'t like about the plugin you can tell us know by giving us feedback.' ), 'https://wordpress.org/support/plugin/ultimate-member' ); ?>
				</p>

				<p>
					<a href="https://ultimatemember.com/feedback/" target="_blank" class="button button-primary um_review_link"><?php _e( 'Provide Feedback', 'ultimate-member' ) ?></a>
				</p>
			</div>

			<?php $message = ob_get_clean();

			$this->add_notice( 'reviews_notice', array(
				'class'     => 'updated',
				'message'   => $message,
				'dismissible' => true
			), 1 );
		}


		/**
		 * Check Future Changes notice
		 */
		function future_changed() {

			ob_start(); ?>

			<p>
				<?php printf( __( '<strong>%s</strong> future plans! Detailed future list is <a href="%s" target="_blank">here</a>', 'ultimate-member' ), ultimatemember_plugin_name, '#' ); ?>
			</p>

			<?php $message = ob_get_clean();

			$this->add_notice( 'future_changes', array(
				'class'         => 'updated',
				'message'       => $message,
			), 2 );
		}


		function dismiss_notice() {
			UM()->admin()->check_ajax_nonce();

			if ( empty( $_POST['key'] ) ) {
				wp_send_json_error( __( 'Wrong Data', 'ultimate-member' ) );
			}

			$hidden_notices = get_option( 'um_hidden_admin_notices', array() );
			$hidden_notices[] = $_POST['key'];

			update_option( 'um_hidden_admin_notices', $hidden_notices );

			wp_send_json_success();
		}
	}
}