var actual_cover;
var paths = [];
var crumbCount = 0;
$(document).ready(returnToElement(0));

function returnToElement(num) {
	while (crumbCount != num) {
		$('#g-album-navigation .last').remove();
		$('#g-album-navigation .crumb :last').parent().addClass('last');
		crumbCount--;
		paths.pop();
	}
	var p='';
	for (var i in paths) p += paths[i]+'/';
	$('#g-album-loading').show();
	$.getJSON(OC.filePath('gallery','ajax','galleryOp.php'), {operation: 'get_gallery', path: p }, albumClickHandler);
}

function albumClick(title) {
	paths.push(title);
	crumbCount++;
	var p = '';
	for (var i in paths) p += paths[i]+'/';
	$('#g-album-loading').show();
	$.getJSON(OC.filePath('gallery','ajax','galleryOp.php'), {operation: 'get_gallery', path: p }, function(r) {
		albumClickHandler(r);
	if ($('#g-album-navigation :last-child'))
		$('#g-album-navigation :last-child').removeClass('last');
	$('#g-album-navigation').append('<div class="crumb last real" style="background-image:url(\''+OC.imagePath('core','breadcrumb')+'\')"><a href=\"javascript:returnToElement('+crumbCount+');\">'+decodeURIComponent(escape(title))+'</a></div>');
	});
}

function albumClickHandler(r) {
	Albums.photos = [];
	Albums.albums = [];
	if (r.status == 'success') {
		for (var i in r.albums) {
		var a = r.albums[i];
		Albums.add(a.name, a.numOfItems,a.path);
		}
		for (var i in r.photos) {
		Albums.photos.push(r.photos[i]);
		}
		var targetDiv = document.getElementById('gallery_list');
		if (targetDiv) {
			$(targetDiv).html('');
			Albums.display(targetDiv);
			//$('#gallery_list').sortable({revert:true});
			$('.album').each(function(i, el) {
				$(el).click(albumClick.bind(null,$(el).attr('title')));
				//$(el).draggable({connectToSortable: '#gallery_list', handle: '.dummy'});
			});
		} else {
			OC.dialogs.alert(t('gallery', 'Error: no such layer `gallery_list`'), t('gallery', 'Internal error'));
		}
	} else {
		OC.dialogs.alert(t('gallery', 'Error: ') + r.message, t('gallery', 'Internal error'));
	}
	$('#g-album-loading').hide();
}

var albumCounter = 0;
var totalAlbums = 0;

function scanForAlbums(cleanup) {
	Scanner.scanAlbums();
	return;
}

function settings() {
	$( '#g-dialog-settings' ).dialog({
		height: 180,
		width: 350,
		modal: false,
		buttons: [
			{
				text: t('gallery', 'Apply'),
				click: function() {
					var scanning_root = $('#g-scanning-root').val();
					var disp_order = $('#g-display-order option:selected').val();
					if (scanning_root == '') {
						alert('Scanning root cannot be empty');
						return;
					}
					$.getJSON(OC.filePath('gallery','ajax','galleryOp.php'), {operation: 'store_settings', root: scanning_root, order: disp_order}, function(r) {
						if (r.status == 'success') {
						if (r.rescan == 'yes') {
							$('#g-dialog-settings').dialog('close');
							Albums.clear(document.getElementById('gallery_list'));
							scanForAlbums(true);
							return;
						}
						} else {
						alert('Error: ' + r.cause);
						return;
						}
						$('#g-dialog-settings').dialog('close');
					});
				}
			},
			{
				text: t('gallery', 'Cancel'),
				click: function() {
				$(this).dialog('close');
				}
			}
		],
	});
}