(function(){
  
  function updateStatus(statusEl, result){
  	statusEl.removeClass('success error loading-small');
  	if (result && result.status == 'success' && result.data.message) {
  		statusEl.addClass('success');
  		return true;
  	} else {
  		statusEl.addClass('error');
  		return false;
  	}
  }

  OC.MountConfig={

  	saveStorage:function(tr, callback) {

  		var mountPoint = $(tr).find('.mountPoint input').val();

  		var oldMountPoint = $(tr).find('.mountPoint input').data('mountpoint');

  		if (mountPoint == '') {
  			return false;
  		}

  		var statusSpan = $(tr).closest('tr').find('.status span');

  		var backendClass = $(tr).find('.backend').data('class');
  		var configuration = $(tr).find('.configuration input');
  		var addMountPoint = true;
  		if (configuration.length < 1) {
  			return false;
  		}
  		var classOptions = {};
  		$.each(configuration, function(index, input) {
  			if ($(input).val() == '' && !$(input).hasClass('optional')) {
  				addMountPoint = false;
  				return false;
  			}
  			if ($(input).is(':checkbox')) {
  				if ($(input).is(':checked')) {
  					classOptions[$(input).data('parameter')] = true;
  				} else {
  					classOptions[$(input).data('parameter')] = false;
  				}
  			} else {
  				classOptions[$(input).data('parameter')] = $(input).val();
  			}
  		});
  		if ($('#externalStorage').data('admin') === true) {
  			var multiselect = $(tr).find('.chzn-select').val();
  			if (multiselect == null) {
  				return false;
  			}
  		}
  		if (addMountPoint) {
  			var status = false;
  			if ($('#externalStorage').data('admin') === true) {
  				var isPersonal = false;
  				var oldGroups = $(tr).find('.applicable').data('applicable-groups');
  				var oldUsers = $(tr).find('.applicable').data('applicable-users');
  				var groups = [];
  				var users = [];
  				$.each(multiselect, function(index, value) {
  					var pos = value.indexOf('(group)');
  					if (pos != -1) {
  						var mountType = 'group';
  						var applicable = value.substr(0, pos);
  						if ($.inArray(applicable, oldGroups) != -1) {
  							oldGroups.splice($.inArray(applicable, oldGroups), 1);
  						}
  						groups.push(applicable);
  					} else {
  						var mountType = 'user';
  						var applicable = value;
  						if ($.inArray(applicable, oldUsers) != -1) {
  							oldUsers.splice($.inArray(applicable, oldUsers), 1);
  						}
  						users.push(applicable);
  					}

  					statusSpan.addClass('loading-small').removeClass('error success');

  					$.ajax({type: 'POST',
  						url: OC.filePath('files_external', 'ajax', 'addMountPoint.php'),
  						data: {
  							mountPoint: mountPoint,
  							'class': backendClass,
  							classOptions: classOptions,
  							mountType: mountType,
  							applicable: applicable,

  							isPersonal: isPersonal,
  							oldMountPoint: oldMountPoint

  						},

  						success: function(result) {

  							$(tr).find('.mountPoint input').data('mountpoint', mountPoint);

  							status = updateStatus(statusSpan, result);

  							if (callback) {
  								callback(status);
  							}

  						},
  						error: function(result){
  							status = updateStatus(statusSpan, result);

  							if (callback) {
  								callback(status);
  							}

  						}
  					});
  				});
  				$(tr).find('.applicable').data('applicable-groups', groups);
  				$(tr).find('.applicable').data('applicable-users', users);
  				var mountType = 'group';
  				$.each(oldGroups, function(index, applicable) {
  					$.ajax({type: 'POST',
  						url: OC.filePath('files_external', 'ajax', 'removeMountPoint.php'),
  						data: {
  							mountPoint: mountPoint,
  							'class': backendClass,
  							classOptions: classOptions,
  							mountType: mountType,
  							applicable: applicable,
  							isPersonal: isPersonal

  						}

  					});
  				});
  				var mountType = 'user';
  				$.each(oldUsers, function(index, applicable) {
  					$.ajax({type: 'POST',
  						url: OC.filePath('files_external', 'ajax', 'removeMountPoint.php'),
  						data: {
  							mountPoint: mountPoint,
  							'class': backendClass,
  							classOptions: classOptions,
  							mountType: mountType,
  							applicable: applicable,
  							isPersonal: isPersonal

  						}

  					});
  				});
  			} else {
  				var isPersonal = true;
  				var mountType = 'user';
  				var applicable = OC.currentUser;

  				statusSpan.addClass('loading-small').removeClass('error success');

  				$.ajax({type: 'POST',
  					url: OC.filePath('files_external', 'ajax', 'addMountPoint.php'),
  					data: {
  						mountPoint: mountPoint,
  						'class': backendClass,
  						classOptions: classOptions,
  						mountType: mountType,
  						applicable: applicable,

  						isPersonal: isPersonal,
  						oldMountPoint: oldMountPoint

  					},

  					success: function(result) {

  						$(tr).find('.mountPoint input').data('mountpoint', mountPoint);

  						status = updateStatus(statusSpan, result);

  						if (callback) {
  							callback(status);
  						}

  					},
  					error: function(result){
  						status = updateStatus(statusSpan, result);

  						if (callback) {
  							callback(status);
  						}

  					}
  				});
  			}
  			return status;
  		}
  	}
  };
  
  $(document).ready(function() {
  	$('.chzn-select').chosen();
  
  	$('#externalStorage').on('change', '#selectBackend', function() {
  		var tr = $(this).parent().parent();
  		$('#externalStorage tbody').append($(tr).clone());
  		$('#externalStorage tbody tr').last().find('.mountPoint input').val('');
  		var selected = $(this).find('option:selected').text();
  		var backendClass = $(this).val();
  		$(this).parent().text(selected);
  		if ($(tr).find('.mountPoint input').val() == '') {
  			$(tr).find('.mountPoint input').val(suggestMountPoint(selected));
  		}
  		$(tr).addClass(backendClass);

  		$(tr).find('.status').append('<span></span>');

  		$(tr).find('.backend').data('class', backendClass);
  		var configurations = $(this).data('configurations');
  		var td = $(tr).find('td.configuration');
  		$.each(configurations, function(backend, parameters) {
  			if (backend == backendClass) {
  				$.each(parameters['configuration'], function(parameter, placeholder) {

  					var is_optional = false;
  					if (placeholder.indexOf('&') === 0) {
  						is_optional = true;
  						placeholder = placeholder.substring(1);
  					}
  					if (placeholder.indexOf('*') === 0) {
  						var class_string = is_optional ? ' optional' : '';
  						td.append('<input type="password" class="added' + class_string + '" data-parameter="'+parameter+'" placeholder="'+placeholder.substring(1)+'" />');
  					} else if (placeholder.indexOf('!') === 0) {
  						td.append('<label><input type="checkbox" class="added" data-parameter="'+parameter+'" />'+placeholder.substring(1)+'</label>');
  					} else if (placeholder.indexOf('#') === 0) {
  						td.append('<input type="hidden" class="added" data-parameter="'+parameter+'" />');

  					} else {

  						var class_string = is_optional ? ' optional' : '';
  						td.append('<input type="text" class="added' + class_string + '" data-parameter="'+parameter+'" placeholder="'+placeholder+'" />');

  					}
  				});
  				if (parameters['custom'] && $('#externalStorage tbody tr.'+backendClass.replace(/\\/g, '\\\\')).length == 1) {
  					OC.addScript('files_external', parameters['custom']);
  				}
  				return false;
  			}
  		});
  		// Reset chosen
  		var chosen = $(tr).find('.applicable select');
  		chosen.parent().find('div').remove();
  		chosen.removeAttr('id').removeClass('chzn-done').css({display:'inline-block'});
  		chosen.chosen();
  		$(tr).find('td').last().attr('class', 'remove');
  		$(tr).find('td').last().removeAttr('style');
  		$(tr).removeAttr('id');
  		$(this).remove();
  	});
  
  	function suggestMountPoint(defaultMountPoint) {
  		var pos = defaultMountPoint.indexOf('/');
  		if (pos !== -1) {
  			defaultMountPoint = defaultMountPoint.substring(0, pos);
  		}
  		defaultMountPoint = defaultMountPoint.replace(/\s+/g, '');
  		var i = 1;
  		var append = '';
  		var match = true;
  		while (match && i < 20) {
  			match = false;
  			$('#externalStorage tbody td.mountPoint input').each(function(index, mountPoint) {
  				if ($(mountPoint).val() == defaultMountPoint+append) {
  					match = true;
  					return false;
  				}
  			});
  			if (match) {
  				append = i;
  				i++;
  			} else {
  				break;
  			}
  		}
  		return defaultMountPoint+append;
  	}
  
  	$('#externalStorage').on('paste', 'td', function() {
  		var tr = $(this).parent();
  		setTimeout(function() {
  			OC.MountConfig.saveStorage(tr);
  		}, 20);
  	});
  
  	var timer;
  
  	$('#externalStorage').on('keyup', 'td input', function() {
  		clearTimeout(timer);
  		var tr = $(this).parent().parent();
  		if ($(this).val) {
  			timer = setTimeout(function() {
  				OC.MountConfig.saveStorage(tr);
  			}, 2000);
  		}
  	});
  
  	$('#externalStorage').on('change', 'td input:checkbox', function() {
  		OC.MountConfig.saveStorage($(this).parent().parent().parent());
  	});
  
  	$('#externalStorage').on('change', '.applicable .chzn-select', function() {
  		OC.MountConfig.saveStorage($(this).parent().parent());
  	});

  	$('#sslCertificate').on('click', 'td.remove>img', function() {

  		var $tr = $(this).parent().parent();

  		var row = this.parentNode.parentNode;
  		$.post(OC.filePath('files_external', 'ajax', 'removeRootCertificate.php'), {cert: row.id});

  		$tr.remove();
  		return true;
  	});
  
  	$('#externalStorage').on('click', 'td.remove>img', function() {
  		var tr = $(this).parent().parent();
  		var mountPoint = $(tr).find('.mountPoint input').val();

  		if ($('#externalStorage').data('admin') === true) {
  			var isPersonal = false;
  			var multiselect = $(tr).find('.chzn-select').val();
  			if (multiselect != null) {
  				$.each(multiselect, function(index, value) {
  					var pos = value.indexOf('(group)');
  					if (pos != -1) {
  						var mountType = 'group';
  						var applicable = value.substr(0, pos);
  					} else {
  						var mountType = 'user';
  						var applicable = value;
  					}
  					$.post(OC.filePath('files_external', 'ajax', 'removeMountPoint.php'), { mountPoint: mountPoint, mountType: mountType, applicable: applicable, isPersonal: isPersonal });
  				});
  			}
  		} else {
  			var mountType = 'user';
  			var applicable = OC.currentUser;
  			var isPersonal = true;
  			$.post(OC.filePath('files_external', 'ajax', 'removeMountPoint.php'), { mountPoint: mountPoint, mountType: mountType, applicable: applicable, isPersonal: isPersonal });
  		}
  		$(tr).remove();
  	});
  
  	$('#allowUserMounting').bind('change', function() {

  		OC.msg.startSaving('#userMountingMsg');

  		if (this.checked) {
  			OC.AppConfig.setValue('files_external', 'allow_user_mounting', 'yes');

  			$('input[name="allowUserMountingBackends\\[\\]"]').prop('checked', true);
  			$('#userMountingBackends').removeClass('hidden');
  			$('input[name="allowUserMountingBackends\\[\\]"]').eq(0).trigger('change');

  		} else {
  			OC.AppConfig.setValue('files_external', 'allow_user_mounting', 'no');

  			$('#userMountingBackends').addClass('hidden');

  		}

  		OC.msg.finishedSaving('#userMountingMsg', {status: 'success', data: {message: t('settings', 'Saved')}});

  	});

  	$('input[name="allowUserMountingBackends\\[\\]"]').bind('change', function() {
  		OC.msg.startSaving('#userMountingMsg');
  		var userMountingBackends = $('input[name="allowUserMountingBackends\\[\\]"]:checked').map(function(){return $(this).val();}).get();
  		OC.AppConfig.setValue('files_external', 'user_mounting_backends', userMountingBackends.join());
  		OC.msg.finishedSaving('#userMountingMsg', {status: 'success', data: {message: t('settings', 'Saved')}});
  
  		// disable allowUserMounting
  		if(userMountingBackends.length === 0) {
  			$('#allowUserMounting').prop('checked', false);
  			$('#allowUserMounting').trigger('change');
  
  		}
  	});

  });

  
  })();