var autosave, autosaveLast = '', autosavePeriodical, autosaveOldMessage = '', autosaveDelayPreview = false, notSaved = true, blockSave = false, fullscreen, autosaveLockRelease = true;

jQuery(document).ready( function($) {

	var dotabkey = true;

	autosaveLast = $('#post #title').val() + $('#post #content').val();

	autosavePeriodical = $.schedule({time: autosaveL10n.autosaveInterval * 1000, func: function() { autosave(); }, repeat: true, protect: true});

	//Disable autosave after the form has been submitted

	$("#post").submit(function() {

		$.cancel(autosavePeriodical);

		autosaveLockRelease = false;

	});

	$('input[type="submit"], a.submitdelete', '#submitpost').click(function(){

		blockSave = true;

		window.onbeforeunload = null;

		$(':button, :submit', '#submitpost').each(function(){

			var t = $(this);

			if ( t.hasClass('button-primary') )

				t.addClass('button-primary-disabled');

			else

				t.addClass('button-disabled');

		});

		if ( $(this).attr('id') == 'publish' )

			$('#ajax-loading').css('visibility', 'visible');

		else

			$('#draft-ajax-loading').css('visibility', 'visible');

	});

	window.onbeforeunload = function(){

		var mce = typeof(tinyMCE) != 'undefined' ? tinyMCE.activeEditor : false, title, content;

		if ( mce && !mce.isHidden() ) {

			if ( mce.isDirty() )

				return autosaveL10n.saveAlert;

		} else {

			if ( fullscreen && fullscreen.settings.visible ) {

				title = $('#wp-fullscreen-title').val();

				content = $("#wp_mce_fullscreen").val();

			} else {

				title = $('#post #title').val();

				content = $('#post #content').val();

			}

			if ( ( title || content ) && title + content != autosaveLast )

				return autosaveL10n.saveAlert;

		}

	};

	$(window).unload( function(e) {

		if ( ! autosaveLockRelease )

			return;

		// unload fires (twice) on removing the Thickbox iframe. Make sure we process only the main document unload.

		if ( e.target && e.target.nodeName != '#document' )

			return;

		$.ajax({

			type: 'POST',

			url: ajaxurl,

			async: false,

			data: {

				action: 'wp-remove-post-lock',

				_wpnonce: $('#_wpnonce').val(),

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

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

			}

		});

	} );

	// preview

	$('#post-preview').click(function(){

		if ( $('#auto_draft').val() == '1' && notSaved ) {

			autosaveDelayPreview = true;

			autosave();

			return false;

		}

		doPreview();

		return false;

	});

	doPreview = function() {

		$('input#wp-preview').val('dopreview');

		$('form#post').attr('target', 'wp-preview').submit().attr('target', '');

		/*

		 * Workaround for WebKit bug preventing a form submitting twice to the same action.

		 * https://bugs.webkit.org/show_bug.cgi?id=28633

		 */

		if ( $.browser.safari ) {

			$('form#post').attr('action', function(index, value) {

				return value + '?t=' + new Date().getTime();

			});

		}

		$('input#wp-preview').val('');

	}

	//  This code is meant to allow tabbing from Title to Post if tinyMCE is defined.

	if ( typeof tinyMCE != 'undefined' ) {

		$('#title')[$.browser.opera ? 'keypress' : 'keydown'](function (e) {

			if ( e.which == 9 && !e.shiftKey && !e.controlKey && !e.altKey ) {

				if ( ($('#auto_draft').val() == '1') && ($("#title").val().length > 0) ) { autosave(); }

				if ( tinyMCE.activeEditor && ! tinyMCE.activeEditor.isHidden() && dotabkey ) {

					e.preventDefault();

					dotabkey = false;

					tinyMCE.activeEditor.focus();

					return false;

				}

			}

		});

	}

	// autosave new posts after a title is typed but not if Publish or Save Draft is clicked

	if ( '1' == $('#auto_draft').val() ) {

		$('#title').blur( function() {

			if ( !this.value || $('#auto_draft').val() != '1' )

				return;

			delayed_autosave();

		});

	}

});

function autosave_parse_response(response) {

	var res = wpAjax.parseAjaxResponse(response, 'autosave'), message = '', postID, sup;

	if ( res && res.responses && res.responses.length ) {

		message = res.responses[0].data; // The saved message or error.

		// someone else is editing: disable autosave, set errors

		if ( res.responses[0].supplemental ) {

			sup = res.responses[0].supplemental;

			if ( 'disable' == sup['disable_autosave'] ) {

				autosave = function() {};

				autosaveLockRelease = false;

				res = { errors: true };

			}

			if ( sup['active-post-lock'] ) {

				jQuery('#active_post_lock').val( sup['active-post-lock'] );

			}

			if ( sup['alert'] ) {

				jQuery('#autosave-alert').remove();

				jQuery('#titlediv').after('<div id="autosave-alert" class="error below-h2"><p>' + sup['alert'] + '</p></div>');

			}

			jQuery.each(sup, function(selector, value) {

				if ( selector.match(/^replace-/) ) {

					jQuery('#'+selector.replace('replace-', '')).val(value);

				}

			});

		}

		// if no errors: add slug UI

		if ( !res.errors ) {

			postID = parseInt( res.responses[0].id, 10 );

			if ( !isNaN(postID) && postID > 0 ) {

				autosave_update_slug(postID);

			}

		}

	}

	if ( message ) { // update autosave message

		jQuery('.autosave-message').html(message);

	} else if ( autosaveOldMessage && res ) {

		jQuery('.autosave-message').html( autosaveOldMessage );

	}

	return res;

}

// called when autosaving pre-existing post

function autosave_saved(response) {

	blockSave = false;

	autosave_parse_response(response); // parse the ajax response

	autosave_enable_buttons(); // re-enable disabled form buttons

}

// called when autosaving new post

function autosave_saved_new(response) {

	blockSave = false;

	var res = autosave_parse_response(response), postID;

	if ( res && res.responses.length && !res.errors ) {

		// An ID is sent only for real auto-saves, not for autosave=0 "keepalive" saves

		postID = parseInt( res.responses[0].id, 10 );

		if ( !isNaN(postID) && postID > 0 ) {

			notSaved = false;

			jQuery('#auto_draft').val('0'); // No longer an auto-draft

		}

		autosave_enable_buttons();

		if ( autosaveDelayPreview ) {

			autosaveDelayPreview = false;

			doPreview();

		}

	} else {

		autosave_enable_buttons(); // re-enable disabled form buttons

	}

}

function autosave_update_slug(post_id) {

	// create slug area only if not already there

	if ( 'undefined' != makeSlugeditClickable && jQuery.isFunction(makeSlugeditClickable) && !jQuery('#edit-slug-box > *').size() ) {

		jQuery.post( ajaxurl, {

				action: 'sample-permalink',

				post_id: post_id,

				new_title: fullscreen && fullscreen.settings.visible ? jQuery('#wp-fullscreen-title').val() : jQuery('#title').val(),

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

			},

			function(data) {

				if ( data !== '-1' ) {

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

					makeSlugeditClickable();

				}

			}

		);

	}

}

function autosave_loading() {

	jQuery('.autosave-message').html(autosaveL10n.savingText);

}

function autosave_enable_buttons() {

	// delay that a bit to avoid some rare collisions while the DOM is being updated.

	setTimeout(function(){

		jQuery(':button, :submit', '#submitpost').removeAttr('disabled');

		jQuery('.ajax-loading').css('visibility', 'hidden');

	}, 500);

}

function autosave_disable_buttons() {

	jQuery(':button, :submit', '#submitpost').prop('disabled', true);

	// Re-enable 5 sec later. Just gives autosave a head start to avoid collisions.

	setTimeout(autosave_enable_buttons, 5000);

}

function delayed_autosave() {

	setTimeout(function(){

		if ( blockSave )

			return;

		autosave();

	}, 200);

}

autosave = function() {

	// (bool) is rich editor enabled and active

	blockSave = true;

	var rich = (typeof tinyMCE != "undefined") && tinyMCE.activeEditor && !tinyMCE.activeEditor.isHidden(),

		post_data, doAutoSave, ed, origStatus, successCallback;

	autosave_disable_buttons();

	post_data = {

		action: "autosave",

		post_ID:  jQuery("#post_ID").val() || 0,

		autosavenonce: jQuery('#autosavenonce').val(),

		post_type: jQuery('#post_type').val() || "",

		autosave: 1

	};

	jQuery('.tags-input').each( function() {

		post_data[this.name] = this.value;

	} );

	// We always send the ajax request in order to keep the post lock fresh.

	// This (bool) tells whether or not to write the post to the DB during the ajax request.

	doAutoSave = true;

	// No autosave while thickbox is open (media buttons)

	if ( jQuery("#TB_window").css('display') == 'block' )

		doAutoSave = false;

	/* Gotta do this up here so we can check the length when tinyMCE is in use */

	if ( rich && doAutoSave ) {

		ed = tinyMCE.activeEditor;

		// Don't run while the TinyMCE spellcheck is on. It resets all found words.

		if ( ed.plugins.spellchecker && ed.plugins.spellchecker.active ) {

			doAutoSave = false;

		} else {

			if ( 'mce_fullscreen' == ed.id || 'wp_mce_fullscreen' == ed.id )

				tinyMCE.get('content').setContent(ed.getContent({format : 'raw'}), {format : 'raw'});

			tinyMCE.triggerSave();

		}

	}

	if ( fullscreen && fullscreen.settings.visible ) {

		post_data["post_title"] = jQuery('#wp-fullscreen-title').val() || '';

		post_data["content"] = jQuery("#wp_mce_fullscreen").val() || '';

	} else {

		post_data["post_title"] = jQuery("#title").val() || '';

		post_data["content"] = jQuery("#content").val() || '';

	}

	if ( jQuery('#post_name').val() )

		post_data["post_name"] = jQuery('#post_name').val();

	// Nothing to save or no change.

	if ( ( post_data["post_title"].length == 0 && post_data["content"].length == 0 ) || post_data["post_title"] + post_data["content"] == autosaveLast ) {

		doAutoSave = false;

	}

	origStatus = jQuery('#original_post_status').val();

	goodcats = ([]);

	jQuery("[name='post_category[]']:checked").each( function(i) {

		goodcats.push(this.value);

	} );

	post_data["catslist"] = goodcats.join(",");

	if ( jQuery("#comment_status").prop("checked") )

		post_data["comment_status"] = 'open';

	if ( jQuery("#ping_status").prop("checked") )

		post_data["ping_status"] = 'open';

	if ( jQuery("#excerpt").size() )

		post_data["excerpt"] = jQuery("#excerpt").val();

	if ( jQuery("#post_author").size() )

		post_data["post_author"] = jQuery("#post_author").val();

	if ( jQuery("#parent_id").val() )

		post_data["parent_id"] = jQuery("#parent_id").val();

	post_data["user_ID"] = jQuery("#user-id").val();

	if ( jQuery('#auto_draft').val() == '1' )

		post_data["auto_draft"] = '1';

	if ( doAutoSave ) {

		autosaveLast = post_data["post_title"] + post_data["content"];

		jQuery(document).triggerHandler('wpcountwords', [ post_data["content"] ]);

	} else {

		post_data['autosave'] = 0;

	}

	if ( post_data["auto_draft"] == '1' ) {

		successCallback = autosave_saved_new; // new post

	} else {

		successCallback = autosave_saved; // pre-existing post