/**
 * 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',

	isCatalog : true,

	constructor: function(config) 
	{
		this.init(config);

		this.callParent(arguments);;

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

	},
	

	setObject : function (object) 
	{

		// 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'));
	},
	
	/**
	 * load object catalog into this view
	 */

	loadObject : function()
	{ 	  
		// load object into form
		this.formPanel.getForm().loadRecord(this.object);

		this.status = null;
			
		var me = this;

		var onAfterInit = function(result, e) 
		{		
			if (!result || !result.success)
			{
				if (result.message)
					myDesktopApp.errorMsg(result.message);
				else
					myDesktopApp.errorMsg('Unknown error during catalog cache initialisation');
				return;
			}
			          	
			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');

			columns[1] = Ext.create('Ext.grid.column.Column', { text: 'Start Time', sortable : false,  dataIndex: 'start',  
						width : 120, menuDisabled: true });
			columns[2] = Ext.create('Ext.grid.column.Column', { text: 'Stop Time', sortable : false,  dataIndex: 'stop',  
						width : 120, menuDisabled: true });
		
			Ext.Array.each(result.parameters, function(obj) 
			{
				index = 'param'+(i-1).toString();			
				fields[i+2] = Ext.create('Ext.data.Field',{ name : index });
				width = 50. *  parseInt(obj.size);
				columns[i] = Ext.create('Ext.grid.column.Column', { text: obj.name, sortable : false,  dataIndex: index,  
						width : width, menuDisabled: true });
				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;
		};

		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'), onAfterInit);
			}
			else
			{
				//From tmp object (ie Search result)		    
				AmdaAction.initTTCacheFromTmpObject(this.object.get('folderId'), this.object.get('objName'), this.isCatalog, onAfterInit);
			}
		}
		else
		{
			var typeTT = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id).linkedNode.data.nodeType;
			if (this.object.get('id') == '')
			{
				//Init empty cache
				AmdaAction.initTTCache(this.isCatalog, onAfterInit);
			}	
			else
			{
				//From existing TT file
				AmdaAction.initTTCacheFromTT(this.object.get('id'), 'catalog', onAfterInit);
			}
		}

	},

	checkIntervalsStatusForSave : function(onStatusOk) {

		onStatusOk();

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

	saveProcess : function(toRename)
	{
		var module = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.catalog.id); 

	      
            // 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();
			}
		}

	},
	

	/**
	 * 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;
				}
		});

		this.TTGrid =  Ext.create('Ext.grid.Panel', { 
			height: 530,
			columns: [ ],
			frame: true,
			dockedItems: [{
				xtype: 'toolbar', 
				items: [{
				iconCls: 'icon-add',
				scope: this,
				handler: function(){
				      alert('NOT IMPLEMENTED YET');
	//                         cellEditing.cancelEdit();
	//                         
	//                         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}, 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');
						console.log(selection);
						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
		      }
		      ],
		      fbar:[
			  {   
			      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 {
  				                // warning:
  				                Ext.Msg.alert('No intervals', 'Your time table is invalid, <br>you must have at least one interval');
  				              }
                                    }
                           } 
			  },{   
			      type: 'button',
			      text: 'Share',
			      disabled: true 
			  },
			  {   
			      type: 'button',
			      text: 'Visualize' 
			  } 
			]

		}, {

		    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));	

    }
	 
});