/* global theList:true, theExtraList:true, getUserSetting, setUserSetting, commentReply */

/**

 * Contains all dynamic functionality needed on post and term pages.

 *

 * @summary Control page and term functionality.

 */

// Backwards compatibility: prevent fatal errors.

// Make sure the wp object exists.

	/**

	 * Control loading of comments on the post and term edit pages.

	 *

	 * @type {{st: number, get: commentsBox.get, load: commentsBox.load}}

	 *

	 * @namespace commentsBox

	 */

	commentsBox = {

		// Comment offset to use when fetching new comments.

		st : 0,

		/**

		 * Fetch comments using AJAX and display them in the box.

		 *

		 * @param {int} total Total number of comments for this post.

		 * @param {int} num   Optional. Number of comments to fetch, defaults to 20.

		 * @returns {boolean} Always returns false.

		 *

		 * @memberof commentsBox

		 */

		get : function(total, num) {

			var st = this.st, data;

			if ( ! num )

				num = 20;

			this.st += num;

			this.total = total;

			$( '#commentsdiv .spinner' ).addClass( 'is-active' );

			data = {

				'action' : 'get-comments',

				'mode' : 'single',

				'_ajax_nonce' : $('#add_comment_nonce').val(),

				'p' : $('#post_ID').val(),

				'start' : st,

				'number' : num

			};

			$.post(

				ajaxurl,

				data,

				function(r) {

					r = wpAjax.parseAjaxResponse(r);

					$('#commentsdiv .widefat').show();

					$( '#commentsdiv .spinner' ).removeClass( 'is-active' );

					if ( 'object' == typeof r && r.responses[0] ) {

						$('#the-comment-list').append( r.responses[0].data );

						theList = theExtraList = null;

						$( 'a[className*=\':\']' ).unbind();

						// If the offset is over the total number of comments we cannot fetch any more, so hide the button.

						if ( commentsBox.st > commentsBox.total )

							$('#show-comments').hide();

						else

							$('#show-comments').show().children('a').html(postL10n.showcomm);

						return;

					} else if ( 1 == r ) {

						$('#show-comments').html(postL10n.endcomm);

						return;

					}

					$('#the-comment-list').append('<tr><td colspan="2">'+wpAjax.broken+'</td></tr>');

				}

			);

			return false;

		},

		/**

		 * Load the next batch of comments.

		 *

		 * @param {int} total Total number of comments to load.

		 *

		 * @memberof commentsBox

		 */

		load: function(total){

			this.st = jQuery('#the-comment-list tr.comment:visible').length;

			this.get(total);

		}

	};

	/**

	 * Overwrite the content of the Featured Image postbox

	 *

	 * @param {string} html New HTML to be displayed in the content area of the postbox.

	 *

	 * @global

	 */

	WPSetThumbnailHTML = function(html){

		$('.inside', '#postimagediv').html(html);

	};

	/**

	 * Set the Image ID of the Featured Image

	 *

	 * @param {int} id The post_id of the image to use as Featured Image.

	 *

	 * @global

	 */

	WPSetThumbnailID = function(id){

		var field = $('input[value="_thumbnail_id"]', '#list-table');

		if ( field.length > 0 ) {

			$('#meta\\[' + field.attr('id').match(/[0-9]+/) + '\\]\\[value\\]').text(id);

	};

	/**

	 * Remove the Featured Image

	 *

	 * @param {string} nonce Nonce to use in the request.

	 *

	 * @global

	 */

	WPRemoveThumbnail = function(nonce){

		$.post(ajaxurl, {

			action: 'set-post-thumbnail', post_id: $( '#post_ID' ).val(), thumbnail_id: -1, _ajax_nonce: nonce, cookie: encodeURIComponent( document.cookie )

		},

			/**

			 * Handle server response

			 *

			 * @param {string} str Response, will be '0' when an error occurred otherwise contains link to add Featured Image.

			 */

			function(str){

			if ( str == '0' ) {

				alert( setPostThumbnailL10n.error );

			} else {

				WPSetThumbnailHTML(str);

			}

		}

		);

	};

	/**

	 * Heartbeat locks.

	 *

	 * Used to lock editing of an object by only one user at a time.

	 *

	 * When the user does not send a heartbeat in a heartbeat-time

	 * the user is no longer editing and another user can start editing.

	 */

	$(document).on( 'heartbeat-send.refresh-lock', function( e, data ) {

		var lock = $('#active_post_lock').val(),

			post_id = $('#post_ID').val(),

			send = {};

		if ( ! post_id || ! $('#post-lock-dialog').length )

			return;

		send.post_id = post_id;

		if ( lock )

			send.lock = lock;

		data['wp-refresh-post-lock'] = send;

	}).on( 'heartbeat-tick.refresh-lock', function( e, data ) {

		// Post locks: update the lock string or show the dialog if somebody has taken over editing.

		var received, wrap, avatar;

		if ( data['wp-refresh-post-lock'] ) {

			received = data['wp-refresh-post-lock'];

			if ( received.lock_error ) {

				// Show "editing taken over" message.

				wrap = $('#post-lock-dialog');

				if ( wrap.length && ! wrap.is(':visible') ) {

					if ( wp.autosave ) {

						// Save the latest changes and disable.

						$(document).one( 'heartbeat-tick', function() {

							wp.autosave.server.suspend();

							wrap.removeClass('saving').addClass('saved');

							$(window).off( 'beforeunload.edit-post' );

						});

						wrap.addClass('saving');

						wp.autosave.server.triggerSave();

					}

					if ( received.lock_error.avatar_src ) {

						avatar = $( '<img class="avatar avatar-64 photo" width="64" height="64" alt="" />' ).attr( 'src', received.lock_error.avatar_src.replace( /&amp;/g, '&' ) );

						wrap.find('div.post-locked-avatar').empty().append( avatar );

					}

					wrap.show().find('.currently-editing').text( received.lock_error.text );

					wrap.find('.wp-tab-first').focus();

			} else if ( received.new_lock ) {

				$('#active_post_lock').val( received.new_lock );

	}).on( 'before-autosave.update-post-slug', function() {

		titleHasFocus = document.activeElement && document.activeElement.id === 'title';

	}).on( 'after-autosave.update-post-slug', function() {

		/*

		 * Create slug area only if not already there

		 * and the title field was not focused (user was not typing a title) when autosave ran.

		 */

		if ( ! $('#edit-slug-box > *').length && ! titleHasFocus ) {

			$.post( ajaxurl, {

					action: 'sample-permalink',

					post_id: $('#post_ID').val(),

					new_title: $('#title').val(),

					samplepermalinknonce: $('#samplepermalinknonce').val()

				},

				function( data ) {

					if ( data != '-1' ) {

						$('#edit-slug-box').html(data);

					}

			);

		}

	});

/**

 * Heartbeat refresh nonces.

 */

	/**

	 * Only allow to check for nonce refresh every 30 seconds.

	 */

		var post_id,

			$authCheck = $('#wp-auth-check-wrap');

		if ( check || ( $authCheck.length && ! $authCheck.hasClass( 'hidden' ) ) ) {

			if ( ( post_id = $('#post_ID').val() ) && $('#_wpnonce').val() ) {

					post_id: post_id

/**

 * All post and postbox controls and functionality.

 */

		$textarea = $('#content'),

		$postStatusSelect = $('#post-status-select'),

		isMac = window.navigator.platform ? window.navigator.platform.indexOf( 'Mac' ) !== -1 : false;

	/*

	 * Clear the window name. Otherwise if this is a former preview window where the user navigated to edit another post,

	 * and the first post is still being edited, clicking Preview there will use this window to show the preview.

	 */

		// Don't do anything when [tab] is pressed.

		// [shift] + [tab] on first tab cycles back to last tab.

		// [tab] on last tab cycles back to first tab.

	// Set the heartbeat interval to 15 sec. if post lock dialogs are enabled.

	// The form is being submitted by the user.

			// Stop auto save.