/***************************************************************
*  Copyright notice
*
*  (c) 2009 snowflake productions gmbh
*  All rights reserved
*
*  This script is part of the todoyu project.
*  The todoyu project is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License, version 2,
*  (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) as published by
*  the Free Software Foundation;
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/

/**
 * Extension: Project
 * Functions to handle projects
 */
Todoyu.Ext.project.Project = {

	/**
	 * Shortcut to the current extension
	 */
	ext: Todoyu.Ext.project,



	/**
	 *
	 * @param {Object} idProject
	 */
	getHeader: function(idProject) {
		return $('project-' + idProject + '-header');
	},



	/**
	 *	Edit given project
	 *
	 * @param Integer	idProject
	 */
	edit: function(idProject){
		this.hideDetails(idProject);
		this.ext.TaskTree.hide(idProject);

		this.Edit.createFormWrapDivs(idProject);
		this.Edit.loadForm(idProject);
	},
	
	remove: function(idProject) {
		if( confirm('[LLL:project.js.removeProject]') ) {
			if( confirm('[LLL:project.js.removeProjectConfirmAgain]') ) {
				var url		= Todoyu.getUrl('project', 'project');
				var options	= {
					'parameters': {
						'cmd': 'remove',
						'project': idProject
					}				
				};
				
				Todoyu.send(url, options);
			}
		}
	},



	/**
	 *	Toggle project details
	 *
	 *	@param	Integer	idProject
	 */
	toggleDetails: function(idProject) {
		var detailDiv	= $('project-' + idProject + '-details');

		if( ! detailDiv.visible() ) {
			if( detailDiv.empty() ) {
				var url		= Todoyu.getUrl('project', 'project');
				var options	= {
					'parameters': {
						'cmd': 'details',
						'project': idProject
					}
				};
				Todoyu.Ui.update(detailDiv, url, options);
			}
			detailDiv.show();
		} else {
			detailDiv.hide();
		}

		this.updateToggleIcon(idProject);

		this.saveDetailsExpanded(idProject, detailDiv.visible());
	},



	/**
	 *	Save state of project details being expanded
	 *
	 *	@param	Integer	idProject
	 *	@param	Boolean	expanded
	 */
	saveDetailsExpanded: function(idProject, expanded) {
		Todoyu.Pref.save('project', 'detailsexpanded', expanded ? 1 : 0, idProject, 0);
	},



	/**
	 *	Update project toggle (expand / collapse) icon
	 *
	 *	@param	Integer	idProject
	 */
	updateToggleIcon: function(idProject) {
		Todoyu.Ui.updateToggleIcon('project-', idProject);
	},



	/**
	 *	Hide project details
	 *
	 *	@param	Integer	idProject
	 */
	hideDetails: function(idProject) {
		Todoyu.Ui.hide('project-' + idProject + '-details');
	},



	/**
	 *	Show project details
	 *
	 *	@param	Integer	idProject
	 */
	showDetails: function(idProject) {
		Todoyu.Ui.show('project-' + idProject + '-details');
	},



	/**
	 *	Add project
	 */
	add: function() {
		var url		= Todoyu.getUrl('project', 'project');
		var options	= {
			'parameters': {
				'cmd': 'add'
			},
			'onComplete': this.onAdded.bind(this)
		};

		Todoyu.send(url, options);
	},



	/**
	 *	Custom event handler, being evoked after adding a new project
	 *
	 *	@param	unknown	response
	 */
	onAdded: function(response) {
		var idProject	= response.getHeader('Todoyu-idProject');
		var projectLabel= response.getHeader('Todoyu-projectLabel');

		this.ext.ProjectTaskTree.addNewTabhead(idProject, projectLabel);

		$('projects').insert(response.responseText);

		this.ext.ProjectTaskTree.displayActiveProject(idProject);
		//this.edit(idProject);
	},



	/**
	 *	Add task to given project
	 *
	 *	@param	Integer	idProject
	 */
	addTask: function(idProject) {
		this.ext.Task.addTaskToProject(idProject);
	},



	/**
	 *	Add container to given project
	 *
	 *	@param	Integer	idProject
	 */
	addContainer: function(idProject) {
		this.ext.Task.addContainerToProject(idProject);
	},


	/**
	 *	Refresh given project
	 *
	 *	@param	Integer	idProject
	 */
	refresh: function(idProject) {
		var url		= Todoyu.getUrl('project', 'project');
		var options	= {
			'parameters': {
				'cmd': 'details',
				'project': idProject
			}
		};
		var target	= 'project-' + idProject + '-details';

		Todoyu.Ui.update(target, url, options);
	},
	
	updateStatus: function(idProject, status) {
		var url	= Todoyu.getUrl('project', 'project');
		var options	= {
			'parameters': {
				'project': idProject,
				'cmd': 'setstatus',
				'status': status
			},
			'onComplete': this.refresh.bind(this, idProject)
		};

		Todoyu.send(url, options);
	},



	/**
	 *	Edit project (class) methods
	 */
	Edit: {
		ext: Todoyu.Ext.project,

		/**
		 *	Create form wrap DIVs
		 *
		 *	@param	Integer	idProject
		 */
		createFormWrapDivs: function(idProject) {
			var idDetails	= 'project-' + idProject + '-details';
			var idData		= 'project-' + idProject + '-data';

			if( ! Todoyu.exists(idData) ) {
					// Create data div
				var data = new Element('div', {
					'id': idData,
					'class': 'data edit'
				});

				$(idDetails).insert({
					'top': data
				});
			}

			$(idData).addClassName('edit');

			$(idDetails).show();
		},



		/**
		 *	Load project form
		 *
		 *	@param	Integer	idProject
		 */
		loadForm: function(idProject) {
			var url 	= Todoyu.getUrl('project', 'project');
			var options = {
				'parameters': {
					'cmd': 'edit',
					'project': idProject
				}
			};
			var target	= 'project-' + idProject + '-data';

			Todoyu.Ui.update(target, url, options);
		},



		/**
		 *	Save project
		 *
		 *	@param	unknown	form
		 */
		save: function(form){
			tinyMCE.triggerSave();

			$(form).request({
				'parameters': {
					'cmd': 'save'
				},
				onComplete: this.onSaved.bind(this)
			});

			return false;
		},



		/**
		 *	onSaved project custom event handler
		 *
		 *	@param	unknown	response
		 */
		onSaved: function(response){
			var idProject	= response.getTodoyuHeader('idProject');
			var idProjectOld= response.getTodoyuHeader('idProjectOld');
			var error		= response.hasTodoyuError();

			if( error ) {
				this.updateFormDiv(idProjectOld, response.responseText);
			} else {
				this.ext.ProjectTaskTree.removeProject(idProjectOld);
				this.ext.ProjectTaskTree.openProject(idProject);
			}
		},



		/**
		 *	Update form DIV
		 *
		 *	@param	Integer	idProject
		 *	@param	String	formHTML
		 */
		updateFormDiv: function(idProject, formHTML) {
			$('project-' + idProject + '-data').update(formHTML);
		},



		/**
		 * Cancel project editing / creation
		 *
		 * @param	Integer	idProject
		 */
		cancel: function(idProject) {
			if(idProject > 0)	{
				this.ext.Project.showDetails(idProject);
				this.ext.TaskTree.toggle(idProject);

				this.ext.Project.refresh(idProject);
			} else {
				Todoyu.Ext.project.ProjectTaskTree.removeProject(idProject);
				var newActiveProjectID = Todoyu.Ext.project.ProjectTaskTree.getFirstTab();

				if(newActiveProjectID)	{
					Todoyu.Ext.project.ProjectTaskTree.onTabSelect('', newActiveProjectID);
				}
			}

		}
	}
};