<?php
/**
 * Publicize_UI class.
 *
 * @package automattic/jetpack-publicize
 */

namespace Automattic\Jetpack\Publicize;

use Automattic\Jetpack\Assets;

/**
 * Only user facing pieces of Publicize are found here.
 */
class Publicize_UI {
	/**
	 * Contains an instance of class 'Publicize' which loads Keyring, sets up services, etc.
	 *
	 * @var Publicize Instance of Publicize
	 */
	public $publicize;

	/**
	 * URL to Sharing settings page in wordpress.com
	 *
	 * @var string
	 */
	protected $publicize_settings_url = '';

	/**
	 * Hooks into WordPress to display the various pieces of UI and load our assets
	 */
	public function __construct() {
		global $publicize;
		if ( ! is_object( $publicize ) ) {
			$publicize = new Publicize();
		}
		$this->publicize = $publicize;

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

	/**
	 * Initialize UI-related functionality.
	 */
	public function init() {
		$this->publicize_settings_url = $this->publicize->publicize_connections_url();

		// Show only to users with the capability required to manage their Publicize connections.
		if ( ! $this->publicize->current_user_can_access_publicize_data() ) {
			return;
		}

		// Assets (css, js).
		add_action( 'load-settings_page_sharing', array( $this, 'load_assets' ) );
		add_action( 'admin_head-post.php', array( $this, 'post_page_metabox_assets' ) );
		add_action( 'admin_head-post-new.php', array( $this, 'post_page_metabox_assets' ) );

		// Management of publicize (sharing screen, ajax/lightbox popup, and metabox on post screen).
		add_action( 'pre_admin_screen_sharing', array( $this, 'admin_page' ) );
		add_action( 'post_submitbox_misc_actions', array( $this, 'post_page_metabox' ) );
	}

	/**
	 * If the ShareDaddy plugin is not active we need to add the sharing settings page to the menu still
	 */
	public function sharing_menu() {
		add_submenu_page(
			'options-general.php',
			esc_html__( 'Sharing Settings', 'jetpack-publicize-pkg' ),
			esc_html__( 'Sharing', 'jetpack-publicize-pkg' ),
			'publish_posts',
			'sharing',
			array( $this, 'wrapper_admin_page' )
		);
	}

	/**
	 * Add admin page with wrapper.
	 */
	public function wrapper_admin_page() {
		if ( class_exists( 'Jetpack_Admin_Page' ) ) {
			\Jetpack_Admin_Page::wrap_ui( array( $this, 'management_page' ) );
		}
	}

	/**
	 * Management page to load if Sharedaddy is not active so the 'pre_admin_screen_sharing' action exists.
	 */
	public function management_page() {
		?>
		<div class="wrap">
			<div class="icon32" id="icon-options-general"><br /></div>
			<h1><?php esc_html_e( 'Sharing Settings', 'jetpack-publicize-pkg' ); ?></h1>

			<?php
			/** This action is documented in modules/sharedaddy/sharing.php */
			do_action( 'pre_admin_screen_sharing' );
			?>
		</div>
		<?php
	}

	/**
	 * Styling for the sharing screen and popups
	 * JS for the options and switching
	 */
	public function load_assets() {
		if ( class_exists( 'Jetpack_Admin_Page' ) ) {
			\Jetpack_Admin_Page::load_wrapper_styles();
		}
	}

	/**
	 * Lists the current user's publicized accounts for the blog
	 * looks exactly like Publicize v1 for now, UI and functionality updates will come after the move to keyring
	 */
	public function admin_page() {
		?>
		<h2 id="publicize"><?php esc_html_e( 'Jetpack Social', 'jetpack-publicize-pkg' ); ?></h2>
		<p><?php esc_html_e( 'Connect social media services to automatically share new posts.', 'jetpack-publicize-pkg' ); ?></p>
		<h4>
			<?php
			printf(
				wp_kses(
					/* translators: %s is the link to the Publicize page in Calypso */
					__( "We've made some updates to Jetpack Social. Please visit the <a href='%s' class='jptracks' data-jptracks-name='legacy_publicize_settings'>WordPress.com sharing page</a> to manage your Jetpack Social connections or use the button below.", 'jetpack-publicize-pkg' ),
					array(
						'a' => array(
							'href'               => array(),
							'class'              => array(),
							'data-jptracks-name' => array(),
						),
					)
				),
				esc_url( $this->publicize->publicize_connections_url() )
			);
			?>
		</h4>

		<a href="<?php echo esc_url( $this->publicize->publicize_connections_url() ); ?>" class="button button-primary jptracks" data-jptracks-name='legacy_publicize_settings'><?php esc_html_e( 'Jetpack Social Settings', 'jetpack-publicize-pkg' ); ?></a>
		<?php
	}

	/**
	 * CSS for styling the publicize message box and counter that displays on the post page.
	 * There is also some JavaScript for length counting and some basic display effects.
	 */
	public function post_page_metabox_assets() {
		// We don't need those assets for the block editor pages.
		$current_screen = get_current_screen();
		if ( $current_screen && $current_screen->is_block_editor ) {
			return;
		}

		Assets::register_script(
			'jetpack-social-classic-editor-options',
			'../build/classic-editor-connections.js',
			__FILE__,
			array(
				'in_footer'  => true,
				'enqueue'    => true,
				'textdomain' => 'jetpack-publicize-pkg',
			)
		);
		wp_add_inline_script(
			'jetpack-social-classic-editor-options',
			'var jetpackSocialClassicEditorOptions = ' . wp_json_encode(
				array(
					'ajaxUrl'                     => admin_url( 'admin-ajax.php' ),
					'connectionsUrl'              => esc_url( $this->publicize_settings_url ),
					'isEnhancedPublishingEnabled' => $this->publicize->has_enhanced_publishing_feature(),
				)
			),
			'before'
		);

		$default_prefix = $this->publicize->default_prefix;
		$default_prefix = preg_replace( '/%([0-9])\$s/', "' + %\\1\$s + '", esc_js( $default_prefix ) );

		$default_message = $this->publicize->default_message;
		$default_message = preg_replace( '/%([0-9])\$s/', "' + %\\1\$s + '", esc_js( $default_message ) );

		$default_suffix = $this->publicize->default_suffix;
		$default_suffix = preg_replace( '/%([0-9])\$s/', "' + %\\1\$s + '", esc_js( $default_suffix ) );

		$max_length = defined( 'JETPACK_PUBLICIZE_TWITTER_LENGTH' ) ? JETPACK_PUBLICIZE_TWITTER_LENGTH : 280;
		$max_length = $max_length - 24; // t.co link, space.

		?>

<script type="text/javascript">
jQuery( function($) {
	var wpasTitleCounter    = $( '#wpas-title-counter' ),
		wpasTwitterCheckbox = $( '.wpas-submit-twitter' ).length,
		postTitle = $( '#title' ),
		wpasTitle = $( '#wpas-title' ).keyup( function() {
			var postTitleVal,
				length = wpasTitle.val().length;

			if ( ! length ) {
				length = wpasTitle.attr( 'placeholder' ).length;
			}

			wpasTitleCounter.text( length ).trigger( 'change' );
		} ),
		authClick = false;

	wpasTitleCounter.on( 'change', function( e ) {
		if ( wpasTwitterCheckbox && parseInt( $( e.currentTarget ).text(), 10 ) > <?php echo (int) $max_length; ?> ) {
			wpasTitleCounter.addClass( 'wpas-twitter-length-limit' );
		} else {
			wpasTitleCounter.removeClass( 'wpas-twitter-length-limit' );
		}
	} );

	// Keep the postTitle and the placeholder in sync
	postTitle.on( 'keyup', function( e ) {
		var url = $( '#sample-permalink' ).text();
		<?php // phpcs:ignore ?>
		var defaultMessage = $.trim( '<?php printf( $default_prefix, 'url' ); printf( $default_message, 'e.currentTarget.value', 'url' ); printf( $default_suffix, 'url' ); ?>' )
			.replace( /<[^>]+>/g,'');

		wpasTitle.attr( 'placeholder', defaultMessage );
		wpasTitle.trigger( 'keyup' );
	} );

	// set the initial placeholder
	postTitle.trigger( 'keyup' );

	// If a custom message has been provided, open the UI so the author remembers
	if ( wpasTitle.val() && ! wpasTitle.prop( 'disabled' ) && wpasTitle.attr( 'placeholder' ) !== wpasTitle.val() ) {
		$( '#publicize-form' ).show();
		$( '#publicize-defaults' ).hide();
		$( '#publicize-form-edit' ).hide();
	}

	$('#publicize-disconnected-form-show').click( function() {
		$('#publicize-form').slideDown( 'fast' );
		$(this).hide();
	} );

	$('#publicize-disconnected-form-hide').click( function() {
		$('#publicize-form').slideUp( 'fast' );
		$('#publicize-disconnected-form-show').show();
	} );

	$('#publicize-form-edit').click( function() {
		$('#publicize-form').slideDown( 'fast', function() {
			var selBeg = 0, selEnd = 0;
			wpasTitle.focus();

			if ( ! wpasTitle.text() ) {
				wpasTitle.text( wpasTitle.attr( 'placeholder' ) );

				selBeg = wpasTitle.text().indexOf( postTitle.val() );
				if ( selBeg < 0 ) {
					selBeg = 0;
				} else {
					selEnd = selBeg + postTitle.val().length;
				}

				var domObj = wpasTitle.get(0);
				if ( domObj.setSelectionRange ) {
					domObj.setSelectionRange( selBeg, selEnd );
				} else if ( domObj.createTextRange ) {
					var r = domObj.createTextRange();
					r.moveStart( 'character', selBeg );
					r.moveEnd( 'character', selEnd );
					r.select();
				}
			}
		} );

		$('#publicize-defaults').hide();
		$(this).hide();
		return false;
	} );


	$('#publicize-form-hide').click( function() {
		var newList = $.map( $('#publicize-form').slideUp( 'fast' ).find( ':checked' ), function( el ) {
			return $.trim( $(el).parent( 'label' ).text() );
		} );
		$('#publicize-defaults').html( '<strong>' + newList.join( '</strong>, <strong>' ) + '</strong>' ).show();
		$('#publicize-form-edit').show();
		return false;
	} );

	$('.authorize-link').click( function() {
		if ( authClick ) {
			return false;
		}
		authClick = true;
		$(this).after( '<img src="images/loading.gif" class="alignleft" style="margin: 0 .5em" />' );
		$.ajaxSetup( { async: false } );

		if ( window.wp && window.wp.autosave ) {
			window.wp.autosave.server.triggerSave();
		} else {
			autosave();
		}

		return true;
	} );

	$( '.pub-service' ).click( function() {
		var service = $(this).data( 'service' ),
			fakebox = '<input id="wpas-submit-' + service + '" type="hidden" value="1" name="wpas[submit][' + service + ']" />';
		$( '#add-publicize-check' ).append( fakebox );
	} );
} );
</script>

<style type="text/css">
#publicize {
	line-height: 1.5;
}
#publicize ul {
	margin: 4px 0 4px 6px;
}
#publicize li {
	margin: 0;
}
#publicize textarea {
	margin: 4px 0 0;
	width: 100%
}
#publicize ul.not-connected {
	list-style: square;
	padding-left: 1em;
}
.wpas-disabled {
	color: #999;
}
.publicize__notice-warning {
	display: block;
	padding: 7px 10px;
	margin: 5px 0;
	border-left-width: 4px;
	border-left-style: solid;
	font-size: 12px;
	box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}
.publicize__notice-media-warning {
	border-right: 1px solid #c3c4c7;
	border-bottom: 1px solid #c3c4c7;
	border-top: 1px solid #c3c4c7;
}
.publicize-external-link {
	display: block;
	text-decoration: none;
	margin-top: 8px;
}
.publicize-external-link__text {
	text-decoration: underline;
}
#publicize-title:before {
	content: "\f237";
	font: normal 20px/1 dashicons;
	speak: none;
	margin-left: -1px;
	padding-right: 3px;
	vertical-align: top;
	-webkit-font-smoothing: antialiased;
	color: #8c8f94;
}
.post-new-php .authorize-link, .post-php .authorize-link {
	line-height: 1.5em;
}
.post-new-php .authorize-message, .post-php .authorize-message {
	margin-bottom: 0;
}
#poststuff #publicize .updated p {
	margin: .5em 0;
}
.wpas-twitter-length-limit {
	color: red;
}
.publicize__notice-warning .dashicons {
	font-size: 16px;
	text-decoration: none;
}
</style>
		<?php
	}

	/**
	 * Get the connection label.
	 *
	 * @param string $service_label Service's human-readable Label ("Facebook", "Twitter", ...).
	 * @param string $display_name Connection's human-readable Username ("@jetpack", ...).
	 * @return string
	 */
	private function connection_label( $service_label, $display_name ) {
		return sprintf(
			/* translators: %1$s: Service Name (Facebook, Twitter, ...), %2$s: Username on Service (@jetpack, ...) */
			__( '%1$s: %2$s', 'jetpack-publicize-pkg' ),
			$service_label,
			$display_name
		);
	}

	/**
	 * Extracts the connections that require reauthentication, for example, LinkedIn, when it switched v1 to v2 of its API.
	 *
	 * @return array Connections that must be reauthenticated
	 */
	public function get_must_reauth_connections() {
		$must_reauth = array();
		$connections = $this->publicize->get_connections( 'linkedin' );
		if ( is_array( $connections ) ) {
			foreach ( $connections as $index => $connection ) {
				if ( $this->publicize->is_invalid_linkedin_connection( $connection ) ) {
					$must_reauth[ $index ] = 'LinkedIn';
				}
			}
		}
		return $must_reauth;
	}

	/**
	 * Controls the metabox that is displayed on the post page
	 * Allows the user to customize the message that will be sent out to the social network, as well as pick which
	 * networks to publish to. Also displays the character counter and some other information.
	 */
	public function post_page_metabox() {
		global $post;

		if ( ! $this->publicize->post_type_is_publicizeable( $post->post_type ) ) {
			return;
		}

		$connections_data = $this->publicize->get_filtered_connection_data();

		$available_services = $this->publicize->get_services( 'all' );

		if ( ! is_array( $available_services ) ) {
			$available_services = array();
		}

		if ( ! is_array( $connections_data ) ) {
			$connections_data = array();
		}
		?>
		<div id="publicize" class="misc-pub-section misc-pub-section-last">
			<span id="publicize-title">
			<?php
			esc_html_e( 'Jetpack Social:', 'jetpack-publicize-pkg' );

			if ( ! empty( $connections_data ) ) :
				$publicize_form = $this->get_metabox_form_connected( $connections_data );

				$must_reauth = $this->get_must_reauth_connections();
				if ( ! empty( $must_reauth ) ) {
					foreach ( $must_reauth as $connection_name ) {
						?>
						<span class="notice-warning publicize__notice-warning">
							<?php
								printf(
									/* translators: %s is the name of a Jetpack Social service like "LinkedIn" */
									esc_html__(
										'Your %s connection needs to be reauthenticated to continue working – head to Sharing to take care of it.',
										'jetpack-publicize-pkg'
									),
									$connection_name // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
								);
							?>
							<a
								class="publicize-external-link"
								href="<?php echo esc_url( $this->publicize->publicize_connections_url() ); ?>"
								target="_blank"
							>
								<span class="publicize-external-link__text"><?php esc_html_e( 'Go to Sharing settings', 'jetpack-publicize-pkg' ); ?></span>
								<span class="dashicons dashicons-external"></span>
							</a>
						</span>
						<?php
					}
				}

				$labels = array();

				foreach ( $connections_data as $connection_data ) {
					if ( ! $connection_data['enabled'] || ( isset( $connection_data['is_healthy'] ) && false === $connection_data['is_healthy'] ) ) {
						continue;
					}

					$labels[] = sprintf(
						'<strong>%s</strong>',
						esc_html( $this->connection_label( $connection_data['service_label'], $connection_data['display_name'] ) )
					);
				}

				?>
					<?php // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- labels are already escaped above ?>
					<span id="publicize-defaults"><?php echo implode( ', ', $labels ); ?></span>
					<a href="#" id="publicize-form-edit"><?php esc_html_e( 'Edit', 'jetpack-publicize-pkg' ); ?></a>&nbsp;<a href="<?php echo esc_url( $this->publicize->publicize_connections_url( 'jetpack-social-connections-classic-editor' ) ); ?>" rel="noopener noreferrer" target="_blank"><?php esc_html_e( 'Settings', 'jetpack-publicize-pkg' ); ?></a><br />
					<?php
			else :
				$publicize_form = $this->get_metabox_form_disconnected( $available_services );
				?>
				<strong><?php esc_html_e( 'Not Connected', 'jetpack-publicize-pkg' ); ?></strong>
				<a href="<?php echo esc_url( $this->publicize->publicize_connections_url( 'jetpack-social-connections-classic-editor' ) ); ?>" rel="noopener noreferrer" target="_blank"><?php esc_html_e( 'Settings', 'jetpack-publicize-pkg' ); ?></a><br />
				<?php

			endif;
			?>
			</span>
			<?php
			/**
			 * Fires right before rendering the Publicize form in the Classic
			 * Editor.
			 *
			 * @since 0.14.0
			 */
			do_action( 'publicize_classic_editor_form_before' );

			/**
			 * Filter the Publicize details form.
			 *
			 * @since 0.1.0
			 * @since-jetpack 2.0.0
			 *
			 * @param string $publicize_form Publicize Details form appearing above Publish button in the editor.
			 */
			echo apply_filters( 'publicize_form', $publicize_form ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Parts of the form are escaped individually in the code above.

			/**
			 * Fires right after rendering the Publicize form in the Classic
			 * Editor.
			 *
			 * @since 0.14.0
			 */
			do_action( 'publicize_classic_editor_form_after' );
			?>
		</div>
		<?php
	}

	/**
	 * Generates HTML content for connections form.
	 *
	 * @since 0.1.0
	 * @since-jetpack 6.7.0
	 *
	 * @global WP_Post $post The current post instance being published.
	 *
	 * @param array $connections_data Array of connections.
	 * @return array {
	 *     Array of content for generating connection form.
	 *
	 *     @type string HTML content of form
	 *     @type array {
	 *          Array of connection labels for active connections only.
	 *
	 *          @type string Connection label string.
	 *     }
	 * }
	 */
	private function get_metabox_form_connected( $connections_data ) {
		global $post;

		$all_done             = $this->publicize->post_is_done_sharing();
		$all_connections_done = true;
		$broken_connections   = array();

		ob_start();

		?>
		<div id="publicize-form" class="hide-if-js">
			<ul>
		<?php

		foreach ( $connections_data as $connection_data ) {
			$all_connections_done = $all_connections_done && $connection_data['done'];
			$connection_healthy   = ! isset( $connection_data['is_healthy'] ) || $connection_data['is_healthy'];
			if ( ! $connection_healthy ) {
				$broken_connections[] = $connection_data;

			}
			?>

			<li>
				<label
					for="wpas-submit-<?php echo esc_attr( $connection_data['id'] ); ?>"
					<?php echo ! $connection_data['toggleable'] ? 'class="wpas-disabled"' : ''; ?>
				>
					<input
						type="checkbox"
						name="wpas[submit][<?php echo esc_attr( $connection_data['id'] ); ?>]"
						id="wpas-submit-<?php echo esc_attr( $connection_data['id'] ); ?>"
						class="wpas-submit-<?php echo esc_attr( $connection_data['service_name'] ); ?>"
						value="1"
					<?php
						checked( true, $connection_data['enabled'] && $connection_healthy );
						disabled( false, $connection_data['toggleable'] && $connection_healthy );
					?>
					/>
				<?php if ( $connection_data['enabled'] && $connection_healthy && ! $connection_data['toggleable'] ) : // Need to submit a value to force a global connection to POST. ?>
					<input
						type="hidden"
						name="wpas[submit][<?php echo esc_attr( $connection_data['id'] ); ?>]"
						value="1"
					/>
				<?php endif; ?>

					<?php echo esc_html( $this->connection_label( $connection_data['service_label'], $connection_data['display_name'] ) ); ?>

				</label>
			</li>
			<?php
		}

		$title = get_post_meta( $post->ID, $this->publicize->POST_MESS, true );
		if ( ! $title ) {
			$title = '';
		}

		$all_done = $all_done || $all_connections_done;

		?>

			</ul>

			<label for="wpas-title"><?php esc_html_e( 'Custom Message:', 'jetpack-publicize-pkg' ); ?></label>
			<span id="wpas-title-counter" class="alignright hide-if-no-js">0</span>
			<textarea name="wpas_title" id="wpas-title"<?php disabled( $all_done ); ?>><?php echo esc_textarea( $title ); ?></textarea>
			<a href="#" class="hide-if-no-js button" id="publicize-form-hide"><?php esc_html_e( 'OK', 'jetpack-publicize-pkg' ); ?></a>
			<input type="hidden" name="wpas[0]" value="1" />
		</div>

		<div id="pub-connection-needs-media"></div>

		<?php if ( ! $all_done ) : ?>
			<?php if ( $broken_connections ) : ?>
				<div id="pub-connection-tests" class="error below-h2 publicize-token-refresh-message">
					<?php
						printf(
							wp_kses(
								/* translators: %s is the link to the connections page in Calypso */
								_n(
									'One of your social connections is broken. Reconnect it on the <a href="%s" rel="noopener noreferrer" target="_blank">connection management</a> page.',
									'Some of your social connections are broken. Reconnect them on the <a href="%s" rel="noopener noreferrer" target="_blank">connection management</a> page.',
									count( $broken_connections ),
									'jetpack-publicize-pkg'
								),
								array(
									'a' => array(
										'href'   => array(),
										'target' => array(),
										'rel'    => array(),
									),
								)
							),
							esc_url( $this->publicize->publicize_connections_url() )
						);
					?>
				</div>
			<?php else : ?>
				<div id="pub-connection-tests"></div>
			<?php endif; ?>
		<?php endif; ?>
		<?php

		return ob_get_clean();
	}

	/**
	 * Metabox that is shown when no services are connected.
	 *
	 * @param array $available_services Array of available services for connecting.
	 */
	private function get_metabox_form_disconnected( $available_services ) {
		ob_start();
		?>
		<div id="publicize-form" class="hide-if-js">
			<div id="add-publicize-check" style="display: none;"></div>

			<?php esc_html_e( 'Connect to', 'jetpack-publicize-pkg' ); ?>:

			<ul class="not-connected">
				<?php foreach ( $available_services as $service_name => $service ) : ?>
				<li>
					<?php /* translators: %s is the name of a Publicize service such as "LinkedIn" */ ?>
					<a class="pub-service" data-service="<?php echo esc_attr( $service_name ); ?>" title="<?php echo esc_attr( sprintf( __( 'Connect and share your posts on %s', 'jetpack-publicize-pkg' ), $this->publicize->get_service_label( $service_name ) ) ); ?>" rel="noopener noreferrer" target="_blank" href="<?php echo esc_url( $this->publicize->connect_url( $service_name ) ); ?>">
						<?php echo esc_html( $this->publicize->get_service_label( $service_name ) ); ?>
					</a>
				</li>
				<?php endforeach; ?>
			</ul>
			<a href="#" class="hide-if-no-js button" id="publicize-disconnected-form-hide"><?php esc_html_e( 'OK', 'jetpack-publicize-pkg' ); ?></a>
		</div>
		<?php

		return ob_get_clean();
	}
}
