/*
   * Copyright (c) 2014 Vincent Petry <pvince81@owncloud.com>
   *
   * This file is licensed under the Affero General Public License version 3
   * or later.
   *
   * See the COPYING-README file.
   *
   */
  
  if (!OCA.Sharing) {
  	OCA.Sharing = {};
  }
  OCA.Sharing.App = {
  
  	_inFileList: null,
  	_outFileList: null,
  
  	initSharingIn: function($el) {
  		if (this._inFileList) {
  			return this._inFileList;
  		}
  
  		this._inFileList = new OCA.Sharing.FileList(
  			$el,
  			{
  				scrollContainer: $('#app-content'),
  				sharedWithUser: true,
  				fileActions: this._createFileActions()
  			}
  		);
  
  		this._extendFileList(this._inFileList);
  		this._inFileList.appName = t('files_sharing', 'Shared with you');
  		this._inFileList.$el.find('#emptycontent').text(t('files_sharing', 'No files have been shared with you yet.'));
  		return this._inFileList;
  	},
  
  	initSharingOut: function($el) {
  		if (this._outFileList) {
  			return this._outFileList;
  		}
  		this._outFileList = new OCA.Sharing.FileList(
  			$el,
  			{
  				scrollContainer: $('#app-content'),
  				sharedWithUser: false,
  				fileActions: this._createFileActions()
  			}
  		);
  
  		this._extendFileList(this._outFileList);
  		this._outFileList.appName = t('files_sharing', 'Shared with others');
  		this._outFileList.$el.find('#emptycontent').text(t('files_sharing', 'You haven\'t shared any files yet.'));
  		return this._outFileList;
  	},
  
  	initSharingLinks: function($el) {
  		if (this._linkFileList) {
  			return this._linkFileList;
  		}
  		this._linkFileList = new OCA.Sharing.FileList(
  			$el,
  			{
  				scrollContainer: $('#app-content'),
  				linksOnly: true,
  				fileActions: this._createFileActions()
  			}
  		);
  
  		this._extendFileList(this._linkFileList);
  		this._linkFileList.appName = t('files_sharing', 'Shared by link');
  		this._linkFileList.$el.find('#emptycontent').text(t('files_sharing', 'You haven\'t shared any files by link yet.'));
  		return this._linkFileList;
  	},
  
  	removeSharingIn: function() {
  		if (this._inFileList) {
  			this._inFileList.$fileList.empty();
  		}
  	},
  
  	removeSharingOut: function() {
  		if (this._outFileList) {
  			this._outFileList.$fileList.empty();
  		}
  	},
  
  	removeSharingLinks: function() {
  		if (this._linkFileList) {
  			this._linkFileList.$fileList.empty();
  		}
  	},
  
  	/**
  	 * Destroy the app
  	 */
  	destroy: function() {
  		OCA.Files.fileActions.off('setDefault.app-sharing', this._onActionsUpdated);
  		OCA.Files.fileActions.off('registerAction.app-sharing', this._onActionsUpdated);
  		this.removeSharingIn();
  		this.removeSharingOut();
  		this.removeSharingLinks();
  		this._inFileList = null;
  		this._outFileList = null;
  		this._linkFileList = null;
  		delete this._globalActionsInitialized;
  	},
  
  	_createFileActions: function() {
  		// inherit file actions from the files app
  		var fileActions = new OCA.Files.FileActions();
  		// note: not merging the legacy actions because legacy apps are not
  		// compatible with the sharing overview and need to be adapted first
  		fileActions.registerDefaultActions();
  		fileActions.merge(OCA.Files.fileActions);
  
  		if (!this._globalActionsInitialized) {
  			// in case actions are registered later
  			this._onActionsUpdated = _.bind(this._onActionsUpdated, this);
  			OCA.Files.fileActions.on('setDefault.app-sharing', this._onActionsUpdated);
  			OCA.Files.fileActions.on('registerAction.app-sharing', this._onActionsUpdated);
  			this._globalActionsInitialized = true;
  		}
  
  		// when the user clicks on a folder, redirect to the corresponding
  		// folder in the files app instead of opening it directly
  		fileActions.register('dir', 'Open', OC.PERMISSION_READ, '', function (filename, context) {
  			OCA.Files.App.setActiveView('files', {silent: true});
  			OCA.Files.App.fileList.changeDirectory(context.$file.attr('data-path') + '/' + filename, true, true);
  		});
  		fileActions.setDefault('dir', 'Open');
  		return fileActions;
  	},
  
  	_onActionsUpdated: function(ev) {
  		_.each([this._inFileList, this._outFileList, this._linkFileList], function(list) {
  			if (!list) {
  				return;
  			}
  
  			if (ev.action) {
  				list.fileActions.registerAction(ev.action);
  			} else if (ev.defaultAction) {
  				list.fileActions.setDefault(
  					ev.defaultAction.mime,
  					ev.defaultAction.name
  				);
  			}
  		});
  	},
  
  	_extendFileList: function(fileList) {
  		// remove size column from summary
  		fileList.fileSummary.$el.find('.filesize').remove();
  	}
  };
  
  $(document).ready(function() {
  	$('#app-content-sharingin').on('show', function(e) {
  		OCA.Sharing.App.initSharingIn($(e.target));
  	});
  	$('#app-content-sharingin').on('hide', function() {
  		OCA.Sharing.App.removeSharingIn();
  	});
  	$('#app-content-sharingout').on('show', function(e) {
  		OCA.Sharing.App.initSharingOut($(e.target));
  	});
  	$('#app-content-sharingout').on('hide', function() {
  		OCA.Sharing.App.removeSharingOut();
  	});
  	$('#app-content-sharinglinks').on('show', function(e) {
  		OCA.Sharing.App.initSharingLinks($(e.target));
  	});
  	$('#app-content-sharinglinks').on('hide', function() {
  		OCA.Sharing.App.removeSharingLinks();
  	});
  });