/*
   * Copyright (c) 2014
   *
   * This file is licensed under the Affero General Public License version 3
   * or later.
   *
   * See the COPYING-README file.
   *
   */
  
  /* global FileActions, Files */
  /* global dragOptions, folderDropOptions */
  if (!OCA.Sharing) {
  	OCA.Sharing = {};
  }
  if (!OCA.Files) {
  	OCA.Files = {};

  }

  OCA.Sharing.PublicApp = {
  	_initialized: false,
  
  	initialize: function ($el) {
  		var self = this;
  		var fileActions;
  		if (this._initialized) {
  			return;
  		}
  		fileActions = new OCA.Files.FileActions();
  		// default actions
  		fileActions.registerDefaultActions();
  		// legacy actions
  		fileActions.merge(window.FileActions);
  		// regular actions
  		fileActions.merge(OCA.Files.fileActions);
  
  		// in case apps would decide to register file actions later,
  		// replace the global object with this one
  		OCA.Files.fileActions = fileActions;

  		this._initialized = true;
  		this.initialDir = $('#dir').val();
  
  		// file list mode ?
  		if ($el.find('#filestable').length) {
  			this.fileList = new OCA.Files.FileList(
  				$el,
  				{
  					scrollContainer: $(window),
  					dragOptions: dragOptions,
  					folderDropOptions: folderDropOptions,
  					fileActions: fileActions
  				}
  			);
  			this.files = OCA.Files.Files;
  			this.files.initialize();
  		}

  		var mimetype = $('#mimetype').val();

  
  		if (typeof FileActions !== 'undefined') {
  			// Show file preview if previewer is available, images are already handled by the template
  			if (mimetype.substr(0, mimetype.indexOf('/')) !== 'image' && $('.publicpreview').length === 0) {
  				// Trigger default action if not download TODO
  				var action = FileActions.getDefault(mimetype, 'file', OC.PERMISSION_READ);
  				if (typeof action !== 'undefined') {
  					action($('#filename').val());
  				}

  			}
  		}

  
  		// dynamically load image previews
  		if (mimetype.substr(0, mimetype.indexOf('/')) === 'image') {
  
  			var params = {
  				x: $(document).width() * window.devicePixelRatio,

  				y: $(document).height() * window.devicePixelRatio,

  				a: 'true',
  				file: encodeURIComponent(this.initialDir + $('#filename').val()),
  				t: $('#sharingToken').val(),
  				scalingup: 0
  			};
  
  			var img = $('<img class="publicpreview">');
  			img.attr('src', OC.filePath('files_sharing', 'ajax', 'publicpreview.php') + '?' + OC.buildQueryString(params));
  			img.appendTo('#imgframe');
  		}
  
  		if (this.fileList) {
  			// TODO: move this to a separate PublicFileList class that extends OCA.Files.FileList (+ unit tests)
  			this.fileList.getDownloadUrl = function (filename, dir) {
  				if ($.isArray(filename)) {
  					filename = JSON.stringify(filename);
  				}
  				var path = dir || FileList.getCurrentDirectory();
  				var params = {
  					service: 'files',
  					t: $('#sharingToken').val(),
  					path: path,
  					files: filename,
  					download: null
  				};
  				return OC.filePath('', '', 'public.php') + '?' + OC.buildQueryString(params);
  			};
  
  			this.fileList.getAjaxUrl = function (action, params) {
  				params = params || {};
  				params.t = $('#sharingToken').val();
  				return OC.filePath('files_sharing', 'ajax', action + '.php') + '?' + OC.buildQueryString(params);
  			};
  
  			this.fileList.linkTo = function (dir) {
  				var params = {
  					service: 'files',
  					t: $('#sharingToken').val(),
  					dir: dir
  				};
  				return OC.filePath('', '', 'public.php') + '?' + OC.buildQueryString(params);
  			};
  
  			this.fileList.generatePreviewUrl = function (urlSpec) {
  				urlSpec.t = $('#dirToken').val();
  				return OC.generateUrl('/apps/files_sharing/ajax/publicpreview.php?') + $.param(urlSpec);
  			};
  
  			var file_upload_start = $('#file_upload_start');
  			file_upload_start.on('fileuploadadd', function (e, data) {
  				var fileDirectory = '';
  				if (typeof data.files[0].relativePath !== 'undefined') {
  					fileDirectory = data.files[0].relativePath;
  				}
  
  				// Add custom data to the upload handler
  				data.formData = {
  					requesttoken: $('#publicUploadRequestToken').val(),
  					dirToken: $('#dirToken').val(),
  					subdir: data.targetDir || self.fileList.getCurrentDirectory(),
  					file_directory: fileDirectory
  				};
  			});
  
  			// do not allow sharing from the public page
  			delete this.fileList.fileActions.actions.all.Share;
  
  			this.fileList.changeDirectory(this.initialDir || '/', false, true);
  
  			// URL history handling
  			this.fileList.$el.on('changeDirectory', _.bind(this._onDirectoryChanged, this));
  			OC.Util.History.addOnPopStateHandler(_.bind(this._onUrlChanged, this));
  		}
  
  		$(document).on('click', '#directLink', function () {
  			$(this).focus();
  			$(this).select();

  		});

  
  		$('.save-form').submit(function (event) {
  			event.preventDefault();
  
  			var remote = $(this).find('input[type="text"]').val();
  			var token = $('#sharingToken').val();
  			var owner = $('#save').data('owner');
  			var name = $('#save').data('name');
  			var isProtected = $('#save').data('protected') ? 1 : 0;
  			OCA.Sharing.PublicApp._saveToOwnCloud(remote, token, owner, name, isProtected);

  		});

  
  		$('#save #save-button').click(function () {
  			$(this).hide();
  			$('.save-form').css('display', 'inline');
  			$('#remote_address').focus();

  		});

  		// legacy
  		window.FileList = this.fileList;
  	},
  
  	_onDirectoryChanged: function (e) {
  		OC.Util.History.pushState({
  			service: 'files',
  			t: $('#sharingToken').val(),
  			// arghhhh, why is this not called "dir" !?
  			path: e.dir
  		});
  	},
  
  	_onUrlChanged: function (params) {
  		this.fileList.changeDirectory(params.path || params.dir, false, true);
  	},
  
  	_saveToOwnCloud: function(remote, token, owner, name, isProtected) {
  		var location = window.location.protocol + '//' + window.location.host + OC.webroot;

  		var url = remote + '/index.php/apps/files#' + 'remote=' + encodeURIComponent(location) // our location is the remote for the other server
  			+ "&token=" + encodeURIComponent(token) + "&owner=" + encodeURIComponent(owner) + "&name=" + encodeURIComponent(name) + "&protected=" + isProtected;
  
  
  		if (remote.indexOf('://') > 0) {
  			OC.redirect(url);
  		} else {
  			// if no protocol is specified, we automatically detect it by testing https and http
  			// this check needs to happen on the server due to the Content Security Policy directive
  			$.get(OC.generateUrl('apps/files_sharing/testremote'), {remote: remote}).then(function (protocol) {
  				if (protocol !== 'http' && protocol !== 'https') {
  					OC.dialogs.alert(t('files_sharing', 'No ownCloud installation found at {remote}', {remote: remote}),
  						t('files_sharing', 'Invalid ownCloud url'));
  				} else {
  					OC.redirect(protocol + '://' + url);
  				}
  			});
  		}
  	}
  };
  
  $(document).ready(function () {
  	var App = OCA.Sharing.PublicApp;
  	// defer app init, to give a chance to plugins to register file actions
  	_.defer(function () {
  		App.initialize($('#preview'));

  	});

  	if (window.Files) {
  		// HACK: for oc-dialogs previews that depends on Files:
  		Files.lazyLoadPreview = function (path, mime, ready, width, height, etag) {
  			return App.fileList.lazyLoadPreview({
  				path: path,
  				mime: mime,
  				callback: ready,
  				width: width,
  				height: height,
  				etag: etag
  			});
  		};
  	}

  });