$(document).ready(function() {

	var file_upload_param = {
		dropZone: $('#content'), // restrict dropZone to content div
		//singleFileUploads is on by default, so the data.files array will always have length 1
		add: function(e, data) {

			if(data.files[0].type === '' && data.files[0].size == 4096)
			{
				data.textStatus = 'dirorzero';
				data.errorThrown = t('files','Unable to upload your file as it is a directory or has 0 bytes');
				var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload');
				fu._trigger('fail', e, data);
				return true; //don't upload this file but go on with next in queue
			}

			var totalSize=0;
			$.each(data.originalFiles, function(i,file){
				totalSize+=file.size;
			});

			if(totalSize>$('#max_upload').val()){
				data.textStatus = 'notenoughspace';
				data.errorThrown = t('files','Not enough space available');
				var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload');
				fu._trigger('fail', e, data);
				return false; //don't upload anything
			}

			// start the actual file upload
			var jqXHR = data.submit();

			// remember jqXHR to show warning to user when he navigates away but an upload is still in progress
			if (typeof data.context !== 'undefined' && data.context.data('type') === 'dir') {
				var dirName = data.context.data('file');
				if(typeof uploadingFiles[dirName] === 'undefined') {
					uploadingFiles[dirName] = {};
				}
				uploadingFiles[dirName][data.files[0].name] = jqXHR;
			} else {
				uploadingFiles[data.files[0].name] = jqXHR;
			}

			//show cancel button
			if($('html.lte9').length === 0 && data.dataType !== 'iframe') {
				$('#uploadprogresswrapper input.stop').show();
			}
		},
		/**
		 * called after the first add, does NOT have the data param
		 * @param e
		 */
		start: function(e) {
			//IE < 10 does not fire the necessary events for the progress bar.
			if($('html.lte9').length > 0) {
				return;
			}
			$('#uploadprogressbar').progressbar({value:0});
			$('#uploadprogressbar').fadeIn();
		},
		fail: function(e, data) {
			if (typeof data.textStatus !== 'undefined' && data.textStatus !== 'success' ) {
				if (data.textStatus === 'abort') {
					$('#notification').text(t('files', 'Upload cancelled.'));
				} else {
					// HTTP connection problem
					$('#notification').text(data.errorThrown);
				}
				$('#notification').fadeIn();
				//hide notification after 5 sec
				setTimeout(function() {
					$('#notification').fadeOut();
				}, 5000);
			}
			delete uploadingFiles[data.files[0].name];
		},
		progress: function(e, data) {
			// TODO: show nice progress bar in file row
		},
		progressall: function(e, data) {
			//IE < 10 does not fire the necessary events for the progress bar.
			if($('html.lte9').length > 0) {
				return;
			}
			var progress = (data.loaded/data.total)*100;
			$('#uploadprogressbar').progressbar('value',progress);
		},
		/**
		 * called for every successful upload
		 * @param e
		 * @param data
		 */
		done:function(e, data) {
			// handle different responses (json or body from iframe for ie)
			var response;
			if (typeof data.result === 'string') {
				response = data.result;
			} else {
				//fetch response from iframe
				response = data.result[0].body.innerText;
			}
			var result=$.parseJSON(response);

			if(typeof result[0] !== 'undefined' && result[0].status === 'success') {
				var filename = result[0].originalname;

				// delete jqXHR reference
				if (typeof data.context !== 'undefined' && data.context.data('type') === 'dir') {
					var dirName = data.context.data('file');
					delete uploadingFiles[dirName][filename];
					if ($.assocArraySize(uploadingFiles[dirName]) == 0) {
						delete uploadingFiles[dirName];
					}
				} else {
					delete uploadingFiles[filename];
				}
				var file = result[0];
			} else {
				data.textStatus = 'servererror';
				data.errorThrown = t('files', result.data.message);
				var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload');
				fu._trigger('fail', e, data);
			}
		},
		/**
		 * called after last upload
		 * @param e
		 * @param data
		 */
		stop: function(e, data) {
			if(data.dataType !== 'iframe') {
				$('#uploadprogresswrapper input.stop').hide();
			}

			//IE < 10 does not fire the necessary events for the progress bar.
			if($('html.lte9').length > 0) {
				return;
			}

			$('#uploadprogressbar').progressbar('value',100);
			$('#uploadprogressbar').fadeOut();
		}
	};
	var file_upload_handler = function() {
		$('#file_upload_start').fileupload(file_upload_param);
	};



	if ( document.getElementById('data-upload-form') ) {
		$(file_upload_handler);
	}
	$.assocArraySize = function(obj) {
		// http://stackoverflow.com/a/6700/11236
		var size = 0, key;
		for (key in obj) {
			if (obj.hasOwnProperty(key)) size++;
		}
		return size;
	};

	// warn user not to leave the page while upload is in progress
	$(window).bind('beforeunload', function(e) {
		if ($.assocArraySize(uploadingFiles) > 0) {
			return t('files','File upload is in progress. Leaving the page now will cancel the upload.');
		}
	});

	//add multiply file upload attribute to all browsers except konqueror (which crashes when it's used)
	if(navigator.userAgent.search(/konqueror/i)==-1){
		$('#file_upload_start').attr('multiple','multiple');
	}

	//if the breadcrumb is to long, start by replacing foldernames with '...' except for the current folder
	var crumb=$('div.crumb').first();
	while($('div.controls').height()>40 && crumb.next('div.crumb').length>0){
		crumb.children('a').text('...');
		crumb=crumb.next('div.crumb');
	}
	//if that isn't enough, start removing items from the breacrumb except for the current folder and it's parent
	var crumb=$('div.crumb').first();
	var next=crumb.next('div.crumb');
	while($('div.controls').height()>40 && next.next('div.crumb').length>0){
		crumb.remove();
		crumb=next;
		next=crumb.next('div.crumb');
	}
	//still not enough, start shorting down the current folder name
	var crumb=$('div.crumb>a').last();
	while($('div.controls').height()>40 && crumb.text().length>6){
		var text=crumb.text()
		text=text.substr(0,text.length-6)+'...';
		crumb.text(text);
	}

	$(document).click(function(){
		$('#new>ul').hide();
		$('#new').removeClass('active');
		$('#new li').each(function(i,element){
			if($(element).children('p').length==0){
				$(element).children('form').remove();
				$(element).append('<p>'+$(element).data('text')+'</p>');
			}
		});
	});
	$('#new').click(function(event){
		event.stopPropagation();
	});
	$('#new>a').click(function(){
		$('#new>ul').toggle();
		$('#new').toggleClass('active');
	});
	$('#new li').click(function(){
		if($(this).children('p').length==0){
			return;
		}

		$('#new li').each(function(i,element){
			if($(element).children('p').length==0){
				$(element).children('form').remove();
				$(element).append('<p>'+$(element).data('text')+'</p>');
			}
		});

		var type=$(this).data('type');
		var text=$(this).children('p').text();
		$(this).data('text',text);
		$(this).children('p').remove();
		var form=$('<form></form>');
		var input=$('<input>');
		form.append(input);
		$(this).append(form);
		input.focus();
		form.submit(function(event){
			event.stopPropagation();
			event.preventDefault();
			var newname=input.val();
			if(type == 'web' && newname.length == 0) {
				OC.Notification.show(t('files', 'URL cannot be empty.'));
				return false;
			} else if (type != 'web' && !Files.isFileNameValid(newname)) {
				return false;
			} else if( type == 'folder' && $('#dir').val() == '/' && newname == 'Shared') {
				OC.Notification.show(t('files','Invalid folder name. Usage of \'Shared\' is reserved by ownCloud'));
				return false;
			}
			if (FileList.lastAction) {
				FileList.lastAction();
			}
			var name = getUniqueName(newname);
			if (newname != name) {
				FileList.checkName(name, newname, true);
				var hidden = true;
			} else {
				var hidden = false;
			}
			switch(type){
				case 'file':
					$.post(
						OC.filePath('files','ajax','newfile.php'),
						{dir:$('#dir').val(),filename:name},
						function(result){
							if (result.status == 'success') {
								var date=new Date();
								FileList.addFile(name,0,date,false,hidden);
								var tr=$('tr').filterAttr('data-file',name);
								tr.attr('data-size',result.data.size);
								tr.attr('data-mime',result.data.mime);
								tr.attr('data-id', result.data.id);
								tr.find('.filesize').text(humanFileSize(result.data.size));
								getMimeIcon(result.data.mime,function(path){
									tr.find('td.filename').attr('style','background-image:url('+path+')');
								});
							} else {
								OC.dialogs.alert(result.data.message, t('core', 'Error'));
							}
						}
					);
					break;
				case 'folder':
					$.post(
						OC.filePath('files','ajax','newfolder.php'),
						{dir:$('#dir').val(),foldername:name},
						function(result){
							if (result.status == 'success') {
								var date=new Date();
								FileList.addDir(name,0,date,hidden);
								var tr=$('tr').filterAttr('data-file',name);
								tr.attr('data-id', result.data.id);
							} else {
								OC.dialogs.alert(result.data.message, t('core', 'Error'));
							}
						}
					);
					break;
				case 'web':
					if(name.substr(0,8)!='https://' && name.substr(0,7)!='http://'){
						name='http://'+name;
					}
					var localName=name;
					if(localName.substr(localName.length-1,1)=='/'){//strip /
						localName=localName.substr(0,localName.length-1)
					}
					if(localName.indexOf('/')){//use last part of url
						localName=localName.split('/').pop();
					} else { //or the domain
						localName=(localName.match(/:\/\/(.[^\/]+)/)[1]).replace('www.','');
					}
					localName = getUniqueName(localName);
					//IE < 10 does not fire the necessary events for the progress bar.
					if($('html.lte9').length === 0) {
						$('#uploadprogressbar').progressbar({value:0});
						$('#uploadprogressbar').fadeIn();
					}

					var eventSource=new OC.EventSource(OC.filePath('files','ajax','newfile.php'),{dir:$('#dir').val(),source:name,filename:localName});
					eventSource.listen('progress',function(progress){
						//IE < 10 does not fire the necessary events for the progress bar.
						if($('html.lte9').length === 0) {
							$('#uploadprogressbar').progressbar('value',progress);
						}
					});
					eventSource.listen('success',function(data){
						var mime=data.mime;
						var size=data.size;
						var id=data.id;
						$('#uploadprogressbar').fadeOut();
						var date=new Date();
						FileList.addFile(localName,size,date,false,hidden);
						var tr=$('tr').filterAttr('data-file',localName);
						tr.data('mime',mime).data('id',id);
						tr.attr('data-id', id);
						getMimeIcon(mime,function(path){
							tr.find('td.filename').attr('style','background-image:url('+path+')');
						});
					});
					eventSource.listen('error',function(error){
						$('#uploadprogressbar').fadeOut();
						alert(error);
					});
					break;
			}
			var li=form.parent();
			form.remove();
			li.append('<p>'+li.data('text')+'</p>');
			$('#new>a').click();
		});
	});
});