/**
 * Project       AMDA-NG
 * Name          CatalogUI.js
 * @class 	 amdaUI.catalogUI
 * @extends      Ext.container.Container
 * @brief	 Catalog Module UI definition (View)
 * @author 	 elena
 */

Ext.define('amdaUI.CatalogUI', {
	extend: 'Ext.container.Container',
	alias: 'widget.panelCatalog',

	
	requires: [
		'Ext.grid.plugin.BufferedRenderer'
	],
	

	isCatalog : true,

	constructor: function(config) {

		this.init(config);

		this.callParent(arguments);
		this.toReconfigure = true;

		if (this.object) this.loadObject();	         

	},
	

	setObject : function (object, toReconfigure) {	

		if (toReconfigure) 
			this.toReconfigure = true;
		// set object	        
		this.object = object;		 

		// load object into view
		this.loadObject();
	},

	/**
	 * set params description into this.object
	 */

	setParamInfo : function(parameters) {

		var params = [];
		Ext.Array.each(parameters, function(item, index) {
			params[index] = item;	     	  
		}, this);
		
		this.object.set('parameters', params);	  

	},
	
	/**
	 * update this.object from form

	 */	 
	updateObject : function(){  

	// get the basic form	

		var basicForm = this.formPanel.getForm();        
		var updateStatus = true;

		var fieldsWithoutName = basicForm.getFields().items;
		Ext.Array.each(fieldsWithoutName, function(item, index,allItems){
			if(item !== this.fieldName) { 		     
				if (!item.isValid()) {
					// set update isn't allowed
					updateStatus = false;    
				}
			}
		}, this);
			// if the update is allowed
		if (updateStatus) {
		/// real object update
		// update TimeTable object with the content of form
			basicForm.updateRecord(this.object);	
		}
		// return the update status  
		return updateStatus;	    

	},

	updateCount : function() {

		this.object.set('nbIntervals',this.TTGrid.getStore().getTotalCount());		
		this.formPanel.getForm().findField('nbIntervals').setValue(this.object.get('nbIntervals'));

	}, 

	onAfterInit:  function(result, e) 
	{

		var me = this;

		if (!result) {			
			myDesktopApp.errorMsg(e.message);
			Ext.defer(function(){Ext.Msg.toFront()},10);
			 

			return;

		}
		else if (!result.success)

		{
			if (result.message)
				myDesktopApp.errorMsg(result.message);
			else
				myDesktopApp.errorMsg('Unknown error during catalog cache initialisation');

			Ext.defer(function(){Ext.Msg.toFront()},10);

			return;
		}

		if (me.toReconfigure) 
		{          	

			var fields = [], columns = [], i = 3, width, index;

			var fieldsConfig =  [{ name : 'start' },{ name : 'stop' },{ name: 'cacheId', type : 'int'},
				{ name: 'isNew', type : 'boolean', defaultValue: false },

				{ name: 'isModified', type : 'boolean', defaultValue: false}

			];
			
			for (var j = 0; j < 5; j++) fields[j] =  Ext.create('Ext.data.Field', fieldsConfig[j]);
				

			columns[0] = Ext.create('Ext.grid.column.RowNumberer', { width: 50,
								renderer: function(value, metaData, record){
									var msg = record.index;
									if (record.get('isNew') || record.get('isModified')) {
										msg += ' *';
										metaData.style = 'font-weight: bold'
									}
									return msg;
								}
							});

			columns[1] = Ext.create('Ext.grid.column.Column', { text: 'Start Time', sortable : true, dataIndex: 'start',  
						width : 120, menuDisabled: true, editor : { xtype:'datefield', allowBlank:false, hideTrigger: true, format : 'Y-m-d\\TH:i:s'}});
			columns[2] = Ext.create('Ext.grid.column.Column', { text: 'Stop Time', sortable : true,  dataIndex: 'stop',  

						width : 120, menuDisabled: true, editor : { xtype:'datefield', allowBlank:false, hideTrigger: true,  format : 'Y-m-d\\TH:i:s'}});

		
			Ext.Array.each(result.parameters, function(obj) 

			{			 
				index = 'param'+(i-1).toString();

				fields[i+2] = Ext.create('Ext.data.Field',{ name : index });

				if (obj.type == 1) // dateTime
				{

					columns[i] = Ext.create('Ext.grid.column.Column', { text: obj.name, sortable : true,  dataIndex: index,  

						width : 120, menuDisabled: true, editor : { xtype:'datefield', allowBlank:false, hideTrigger: true,  format : 'Y-m-d\\TH:i:s'}});
				}
				else
				{					 
					width = 50. *  parseInt(obj.size);				
					columns[i] = Ext.create('Ext.grid.column.Column', { text: obj.name, sortable : false,  dataIndex: index,  

						width : width, menuDisabled: true, editor: 'textfield' });

				}

				i++;
			});

			var store = Ext.create('Ext.data.Store', {
				fields: fields,
				autoDestroy: false,
				pageSize : 200,
				buffered : true, 
				purgePageCount: 0,
				remoteSort: true,
				proxy: {
					type: 'direct',

					api : { read   :  AmdaAction.readTTCacheIntervals },

					// remplir automatiquement tt, sharedtt , catalog, shared catalog
					extraParams : {'typeTT' : 'catalog'},
					reader:
					{
						type: 'json',
						root: 'intervals',
						totalProperty : 'totalCount'
					}
				},
				listeners: {
					scope : me,
					load: function(store,records) {        
						// myDesktopApp.EventManager.fireEvent('refresh');

							me.TTGrid.getView().refresh();
							me.TTGrid.getSelectionModel().refresh();
							me.updateCount();

						//Statistical plugin
						//   	this.fireEvent("refresh");
					}
				}

			});			
			

			me.TTGrid.reconfigure(store, columns);

		}		
		me.TTGrid.getSelectionModel().deselectAll();

	//         	        	
	//         	// clear filters
	//         	me.TTGrid.getStore().clearFilter(true);
	//         
	//     		//clear sort
	//         	me.TTGrid.getStore().sorters.clear();
	//         	//me.TTGrid.getStore().sorters = new Ext.util.MixedCollection();

		//set cache token to the Catalog object

		me.object.set('cacheToken', result.token);

		me.setParamInfo(result.parameters);	

		me.TTGrid.getStore().load();

		me.status = result.status;
	},
	
	/**
	 * load object catalog into this view
	 */

	loadObject : function(){ 	  

		// load object into form
		this.formPanel.getForm().loadRecord(this.object);
	
		this.status = null;
		

		if (this.object.get('fromPlugin')){			
			if (this.object.get('objFormat') && this.object.get('objFormat') != ''){

				//From uploaded file

				AmdaAction.initTTCacheFromUploadedFile(this.object.get('objName'), this.object.get('objFormat'), this.isCatalog, this.onAfterInit, this);

			}

			else {

				//From tmp object (ie Statistics result)		    
				AmdaAction.initTTCacheFromTmpObject(this.object.get('folderId'), this.object.get('objName'), this.isCatalog, this.onAfterInit, this);

			}
		}

		else {

			var typeTT = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id).linkedNode.data.nodeType;

			if (this.object.get('id') == '') {														  				
				//TODO ?  

			}	

			else {

				//From existing TT file

				AmdaAction.initTTCacheFromTT(this.object.get('id'), typeTT, this.onAfterInit, this);

			}
		}

	},

	checkIntervalsStatusForSave : function(onStatusOk) {

		onStatusOk();

	},
	
	/*	    
	 * save method called by Save button
	 */

	saveProcess : function(toRename)
	{

		var module = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id);
		//  store / columns are the same - not needed to reconfigure grid
		this.toReconfigure = false;

            // if the name has been modified this is a creation

		if (this.fclose()) {         

			if (this.object.isModified('name') || this.object.get('fromPlugin')) {				
				// if object already has an id : it's a 'rename' of an existing  
				if (this.object.get('id')){
					// the context Node is the parent node of current edited one
					var contextNode = module.linkedNode.parentNode;
					// link a new node to the TimeTableModule
					module.createLinkedNode();
					// set the contextNode
					module.linkedNode.set('contextNode',contextNode);
					// create a new object linked
					module.createObject(this.object.getJsonValues());
					
					var obj = module.linkedNode.get('object');                                                    
					// synchronisation of objects
					this.object = obj;
					if (toRename) module.linkedNode.toRename = true;
				} 

				module.linkedNode.create(/*{callback : function() {module.linkedNode.update();}, scope : this}*/);

			} else {

				//update				

				module.linkedNode.update();

			}	

		}

	},
	

	/**

	 * overwrite metod called by Save button
	 */

	overwriteProcess : function(btn) {	

		if (btn == 'cancel') return;
               
		this.fieldName.clearInvalid();
		this.saveProcess(true);		
		
	},
	
	/**

	 * Check if changes were made before closing window 
	 * @return true if changes
	 */	

	fclose : function() {

		if (this.status == null)
			return false;
		
		var isDirty = this.formPanel.getForm().isDirty() || (this.status.isModified) || (this.status.nbModified > 0) || (this.status.nbNew > 0);

		return isDirty;

	},

	init : function (config) 
	{	  
		this.object =   config.object;

		this.fieldName = new Ext.form.field.Text({
			fieldLabel: 'Name',
			allowBlank : false,
			stripCharsRe: /(^\s+|\s+$)/g,
			emptyText: 'Please no spaces!',
			name: 'name',
			validateOnChange: false,
			validateOnBlur: false,
			validFlag: false,

			validator : function() {
				return this.validFlag;
			}

		});

		
		var cellEditing = Ext.create('Ext.grid.plugin.CellEditing',{
//			clicksToEdit: 2,
			onEditComplete : function(ed, value, startValue) {
				var me = this,
				activeColumn = me.getActiveColumn(),
				context = me.context,
				record;

				if (activeColumn) {
					record = context.record;

					me.setActiveEditor(null);
					me.setActiveColumn(null);
					me.setActiveRecord(null);
				
					context.value = value;
					if (!me.validateEdit()) {
						me.editing = false;
						return;
					}

					// Only update the record if the new value is different than the
					// startValue. When the view refreshes its el will gain focus
					if (!record.isEqual(value, startValue)) {
					var obj = {};					
					 
					obj['cacheId']  = record.get('cacheId');
					obj['isCatalog'] = true;
					obj[activeColumn.dataIndex] = value;								  
					
					//Interval is modified on the server side
					me.editing = true;
					

					AmdaAction.modifyTTCacheInterval(obj, function (result, e) {						

						var module = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id);
						if (module)
							module.getUiContent().status = result.status;
						context.grid.getSelectionModel().deselectAll();
						context.store.reload({
							callback : function(records, options, success) {
								context.view.bufferedRenderer.scrollTo(context.rowIdx, true, function() {
									me.fireEvent('edit', me, context);
									me.editing = false;
								}, me);	    	            
							}
						});
						}, this);
					}
					else

						me.editing = false;

				}
			}	
		});

		this.TTGrid =  Ext.create('Ext.grid.Panel', { 
			height: 530,
			columns: [ ],
			frame: true,

			columnLines: true,

			//	selType: 'cellmodel',

			plugins: [ cellEditing, { ptype : 'bufferedrenderer'} ],

			dockedItems: [{
				xtype: 'toolbar', 
				items: [{

					iconCls: 'icon-add',
					scope: this,
					handler: function(){ 
						cellEditing.cancelEdit();
						var store = this.TTGrid.getStore();
							
						var selection = this.TTGrid.getView().getSelectionModel().getSelection()[0];
						var row = 0;
						if (selection)
							row = store.indexOf(selection) + 1;

						this.TTGrid.getSelectionModel().deselectAll();

									
						var me = this;
						AmdaAction.addTTCacheInterval({'index' : row, 'isCatalog' : true}, function (result, e) {

							this.status = result.status;

							this.TTGrid.getStore().reload({
								callback : function(records, options, success) {
									me.TTGrid.getView().bufferedRenderer.scrollTo(row, false, function() {
										me.TTGrid.getView().select(row);
										cellEditing.startEditByPosition({row: row, column: 1});	
									}, me);	
								}
							});

						}, this);
					}

				},{
					iconCls: 'icon-delete',
					disabled: true,
					itemId: 'delete',
					scope: this,
					handler:  function(){
						var selection = this.TTGrid.getView().getSelectionModel().getSelection()[0];
						if (selection) 
						{
							var rowId = selection.get('cacheId');						
							this.TTGrid.getSelectionModel().deselectAll();
							AmdaAction.removeTTCacheIntervalFromId(rowId, this.isCatalog, function (result, e) {
								this.status = result.status;
								this.TTGrid.getStore().reload();
							}, this);
						}
					}

				}]
			}]
		});

		this.formPanel =  Ext.create('Ext.form.Panel', { 

			region : 'center',
			layout:  'hbox', 
			bodyStyle: {background : '#dfe8f6'},
			defaults: { border : false, align: 'stretch', bodyStyle: {background : '#dfe8f6'},  padding: '3'},
			fieldDefaults: { labelWidth: 80, labelAlign : 'top' },

			items: [{            

				xtype: 'form',		            
				flex: 1,
				buttonAlign: 'left',

				// title : 'Information',		   

				layout: {type: 'vbox', pack: 'start', align: 'stretch'},
				items : [
					this.fieldName,
					{
						xtype: 'fieldcontainer',
						layout: 'hbox',		      

						items: [{

								xtype:'datefield', fieldLabel:'Creation date',
								name: 'created', disabled: true, 
								hideTrigger: true, format: 'Y/m/d H:i:s'
							},			  
							{ xtype: 'splitter' },			 			 

							{ xtype:'textfield', fieldLabel: 'Intervals', name: 'nbIntervals', disabled: true }

						]                                                                       
					},
					{
						xtype: 'textarea',
						name: 'description',
						fieldLabel: 'Description',
						height: 200
					},
					{
						xtype: 'component',
						height: 180
					}], 

					dockedItems:[{

						xtype: 'toolbar',
						dock: 'bottom', 
						ui: 'footer',

						items: [{

							type: 'button',
							text: 'Create New Catalog',
							scope : this,
							handler: function () 
							{ 											
								var module = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id);	
										
								if (!module) return;
								var obj = module.linkedNode.get('object');
								
								if (obj && obj.get('id') == '' && !obj.get('fromPlugin')) {

									var me = this;
									

									Ext.Msg.prompt('Define Parameters', 'Please enter parameters number:', function(btn, text){
										if (btn == 'ok'){
											AmdaAction.initTTCache(me.isCatalog, text, me.onAfterInit, me); 
										}
									}, this);
								}	
							}
						}]
					},
					{  
						xtype: 'toolbar',
						dock: 'bottom', 
						ui: 'footer',
						items: [
						{
							type: 'button',
							text: 'Save',
							scope : this,
							handler: function () 
							{
								if (this.updateObject())
								{
									var basicForm = this.formPanel.getForm();      
									// if there's at least one record in the store of TTGrid
									if (this.TTGrid.getStore().getTotalCount() > 0) 
									{
										// update TimeTable object which the content of form
										basicForm.updateRecord(this.object);

										var me = this;

										this.checkIntervalsStatusForSave(function () {

											//Name validation
											var module = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id);	
											
											if (!module) return;
											module.linkedNode.isValidName(me.fieldName.getValue(), function (res) 
											{

												if (!res) {

													me.fieldName.validFlag = 'Error during object validation';
													myDesktopApp.errorMsg(me.fieldName.validFlag);
													me.fieldName.validate();
													return;
												}
												

												if (!res.valid) {
													if (res.error) {
														if (res.error.search('subtree') != -1) {  							

															Ext.MessageBox.show({title:'Warning', 
																msg: res.error+'<br/>Do you want to overwrite it?',
																width: 300,
																buttons: Ext.MessageBox.OKCANCEL, 
																fn : me.overwriteProcess,
																icon: Ext.MessageBox.WARNING,
																scope : me
															});
															me.fieldName.validFlag = true;
														}
														else
															me.fieldName.validFlag = res.error;
													}

													else {

														me.fieldName.validFlag = 'Invalid object name';
														myDesktopApp.errorMsg(me.fieldName.validFlag);
													}
													me.fieldName.validate();
													return;
												}
												
												me.fieldName.validFlag = true;
												me.fieldName.validate();
												me.saveProcess(false);
											});
										});                            
									} 

									else {

										Ext.Msg.alert('No intervals', 'Your time table is invalid, <br>you must have at least one interval');
									}
								}
							} 

						},{

							type: 'button',

							text: 'Reset',
							scope : this,

							disabled: true,

							handler: function() {

// 								var module = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id);			
// 								module.createLinkedNode();
// 								module.createObject();
// 								this.setObject(module.getLinkedNode().get('object'), true);                           
							} 

						},	
						{   
							type: 'button',
							text: 'Share',
							disabled: true 
						},
						{   
							type: 'button',
							text: 'Visualize',
							scope: this,

							handler: function() {

								var me = this;

								myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.visu.id, true, function (module) {	 	 							

									//temporary linked node - as  Visu module is 'pseudo' interactive - no 'save', no 'execute'

									var temporaryNode = Ext.create('amdaModel.CatalogNode', { leaf : true });

									if (temporaryNode) temporaryNode.set('object',me.object); 
									module.setLinkedNode(temporaryNode);
									

									module.createWindow(); 

								});     
							}

						}]

					}]
				},
				{
					xtype: 'form',               
					bodyStyle: {background : '#dfe8f6'},
					//padding: '3',
					flex: 2,

					items : [ this.TTGrid ] 

				}]  
			}); 

		this.TTGrid.getSelectionModel().on('selectionchange', function(selModel,selections) {

			this.TTGrid.down('#delete').setDisabled(selections.length === 0); 
		}, this); 

		var myConf = {

			layout: 'border',
			items: [		   
				this.formPanel, 		     
				{
					xtype: 'panel', 
					region: 'south',
					title: 'Information',
					collapsible: true,
					height: 100,
					autoHide: false,
					bodyStyle: 'padding:5px',
					iconCls:  'icon-information',
					loader: 
					{
						autoLoad: true,
						url: helpDir+'catalogHOWTO'
					} 
				}
			] 

		};	    

		Ext.apply (this, Ext.apply(arguments, myConf));	

	}	 

});