$(document).ready(function() {

  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];
			}
		} 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>');
	  }
	});
  });
  $('#new li').click(function(){
	if($(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-mime',result.data.mime);
			  tr.attr('data-id', result.data.id);
			  getMimeIcon(result.data.mime,function(path){
			tr.find('td.filename').attr('style','background-image:url('+path+')');
			  });
			FileActions.display(tr.find('td.filename'), true);
			} 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) {
		} else {
		  $('#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) {
		  } else {
			$('#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+')');
		  });
		  FileActions.display(tr.find('td.filename'), true);
		});
		eventSource.listen('error',function(error){
		  $('#uploadprogressbar').fadeOut();
		  alert(error);
		});
		break;
	  }
	  var li=form.parent();
	  form.remove();
		/* workaround for IE 9&10 click event trap, 2 lines: */
		$('input').first().focus();
		$('#content').focus();
		li.append('<p>'+li.data('text')+'</p>');
	  $('#new>a').click();
	});
  });
});