Hedera.Catalog = new Class({
	Extends: Hedera.Form
	
	,_menuShown: false

	,open: function() {
		this.close();
		this.isOpen = true;
	
		if (!localStorage.getItem('hederaGuest')) {
			Hedera.BasketChecker.check(this.conn, this.hash,
				this.onBasketCheck.bind(this));
		} else {
			var query = 'CALL mybasket_configureForGuest';
			this.conn.execQuery(query, this.loadUi.bind(this));
		}
	}

	,onBasketCheck: function(isOk) {
		if (isOk)
			this.loadUi();
	}
	
	,activate: function() {
		document.body.appendChild(this.$.rightPanel);
		this.$.items.setInfo('i', 'item', 'vn', ['id']);
		
		if (localStorage.getItem('hederaView'))
			this.setView(parseInt(localStorage.getItem('hederaView')));
		else
			this.setView(Hedera.Catalog.View.GRID);

		this.onRealmChange();
	}
	
	,deactivate: function() {
		this.hideMenu();
		this.gui.$.topBar.style.backgroundColor = '';
		Vn.Node.remove(this.$.rightPanel);
	}

	,onFilterChange: function() {
		const $ = this.$;
		const hash = this.hash;

		if (hash.search != null || hash.type != null) {
			const filter = new Sql.Operation({
				type: Sql.Operation.Type.AND
			});
	
			let idSearch = false;
			if (hash.search != null) {
				idSearch = /^\d+$/.test(hash.search);
				filter.push(idSearch ? $.idOp : $.nameOp);
			}

			if (!idSearch) {
				if (hash.realm != null)
					filter.push($.realmOp);
				if (hash.type != null)
					filter.push($.typeOp);

				const tags = [
					'color',
					'origin',
					'category',
					'producer'
				];
				for (const tag of tags)
					if (hash[tag] != null)
						filter.push($[`${tag}Op`]);
			}

			const lot = new Vn.Lot();
			lot.set('filter', filter);
			$.items.lot = lot;
		} else
			$.items.lot = null;
	}
	
	,onRealmChange: function() {
		const hasRealm = this.$.realm.value != null;
		this.$.filters.style.display = hasRealm ? 'block' : 'none';
		this.$.realmMsg.style.display = hasRealm ? 'none' : 'block';
		this.refreshTitle();
	}
	
	,refreshTitle: function() {
		const types = this.$.types;
		const realms = this.$.realms;

		const type = this.$.type.value;
		const realm = this.$.realm.value;
		let typeName;
		let realmName;
		
		if (type && types.ready) {
			var row = types.search('id', type);
			if (row != -1) typeName = types.get(row, 'name');
		}
		if (realm && realms.ready) {
			var row = realms.search('id', realm);
			if (row != -1) realmName = realms.get(row, 'name');
		}

		let title = _('Catalog');
		let subtitle = '';

		if (typeName) {
			title = typeName;
			subtitle = realmName;
		} else if (realmName) {
			title = realmName;
		}

		Vn.Node.setText(this.$.titleText, title);
		Vn.Node.setText(this.$.subtitle, subtitle);
	}
	
	,setView: function(view) {
		if (view === Hedera.Catalog.View.GRID) {
			this.$.viewButton.setProperties({
				icon: 'view_list',
				tip: _('List view')
			});
			this.view = Hedera.Catalog.View.GRID;
			var className = 'grid-view';
		} else {
			this.$.viewButton.setProperties({
				icon: 'grid_on',
				tip: _('Grid view')
			});
			this.view = Hedera.Catalog.View.LIST;
			var className = 'list-view';
		}
		
		var node = this.$.gridView.node;
		node.className = className;
		localStorage.setItem('hederaView', this.view);
	}
	
	,onSwitchViewClick: function() {
		this.setView(this.view === Hedera.Catalog.View.LIST ?
			Hedera.Catalog.View.GRID : Hedera.Catalog.View.LIST);
	}
	
	,onBasketReady: function(form) {
		if (form.$.method != 'PICKUP')
			Vn.Node.setText(this.$.method, _('Agency'));
		else
			Vn.Node.setText(this.$.method, _('Warehouse'));
	}
	
	,onItemsChange: function(model, status) {
		if (status !== Db.Model.Status.CLEAN)
			this.$.order.style.display = 'block';
		else
			this.$.order.style.display = 'none';
	}
	
	,onOrderChange: function(e) {
		var value = e.target.value;	
		var sortField = value.substr(2);
		var sortWay = value.charAt(0) === 'A' ?
			Db.Model.SortWay.ASC : Db.Model.SortWay.DESC;
		
		if (sortField)
			this.$.items.sortByName(sortField, sortWay);
		
		this.hideMenu();
	}
	
	,realmRenderer: function(builder, form) {
		var link = builder.$.link;
		link.href = this.hash.make({
			form: this.hash.$.form,
			realm: form.$.id
		});
	}

	,onRightPanelClick: function(event) {
		event.stopPropagation();
	}

	,onShowMenuClick: function(event) {
		this._menuShown = true;
		event.stopPropagation();
		this.gui.showBackground();
		Vn.Node.addClass(this.$.rightPanel, 'show');
		this.hideMenuCallback = this.hideMenu.bind(this);
		document.addEventListener('click', this.hideMenuCallback);
	}

	,hideMenu: function() {
		if (!this._menuShown)
			return;

		this.gui.hideBackground();
		Vn.Node.removeClass(this.$.rightPanel, 'show');
		document.removeEventListener('click', this.hideMenuCallback);
		this.hideMenuCallback = null;
	}
	
	,isGuest: function() {
		if (localStorage.getItem('hederaGuest')) {
			Htk.Toast.showError(_('YouMustBeLoggedIn'));
			return true;
		}
		
		return false;
	}
	
	,onBasketClick: function() {
		if (this.isGuest())
			return;

		this.hash.setAll({form: 'ecomerce/basket'});
	}
	
	,onConfigureClick: function() {
		if (this.isGuest())
			return;

		this.hash.setAll({form: 'ecomerce/checkout'});
	}

	,onAddItemClick: function(event, form) {
		if (event.defaultPrevented) return;
		event.preventDefault();
		if (this.isGuest()) return;

		this.onEraseClick();
		this.$.card.row = form.row;
		this.$.cardItem.value = form.$.id;
		this.$.cardPopup.show(event.currentTarget);
	}
	
	,onAddLotClick: function(column, value, row) {
		var model = this.$.itemLots;
		var grouping = model.get(row, 'grouping');
		var warehouse = model.get(row, 'warehouseFk');
		var available = model.get(row, 'available');

		var lotAmount = this.items[warehouse];

		if (lotAmount === undefined)
			lotAmount = 0;
		
		if (lotAmount < available) {
			var newAmount = lotAmount + grouping;
		
			if (newAmount > available)
				newAmount = available;
		
			this.items[warehouse] = newAmount;
			this.$.amount.value += newAmount - lotAmount;
		} else
			Htk.Toast.showError(_('NoMoreAmountAvailable'));
	}
	
	,onConfirmClick: function() {
		var sql = '';
		var query = new Sql.String({query: 'CALL myBasket_addItem(#warehouse, #item, #amount);'});
		var amountSum = 0;

		for (var warehouse in this.items) {
			var amount = this.items[warehouse];
			amountSum += amount;
		
			const params = {
				warehouse: warehouse,
				item: this.$.cardItem.value,
				amount: amount
			}
			sql += query.render(params);
		}
	
		if (amountSum > 0) {
			this.conn.execQuery(sql);

			var itemName = this.$.card.get('item');
			Htk.Toast.showMessage(
				sprintf(_('Added%dOf%s'), amountSum, itemName));
		}

		this.$.cardPopup.hide();
	}
	
	,onEraseClick: function() {
		this.$.amount.value = 0;
		this.items = {};
	}
	
	,onPopupClose: function() {
		this.onEraseClick();
		this.$.card.row = -1;
		this.$.cardItem.value = undefined;
	}
	
	,onCardLoad: function() {
		this.$.cardPopup.reset();
	}
});

Hedera.Catalog.extend({
	View: {
		LIST: 0,
		GRID: 1
	}
});

Vn.Filter = new Class({
	Extends: Htk.Field
	,Tag: 'vn-filter'
	,Child: 'model'
	,Properties: {
		model: {
			type: Db.Model
			,set: function(x) {
				x.lot = this._lot;
				this._model = x;
				this._select.model = x;
			}
			,get: function() {
				return this._model;
			}
		},
		placeholder: {
			type: String
			,set: function(x) {
				this._select.placeholder = x;
				this._placeholder = x;
			}
			,get: function() {
				return this._placeholder;
			}
		},
		filter: {
			type: Sql.Filter
			,set: function(x) {
				this._filter = x;
				this._lot.set('filter', x);
			}
			,get: function() {
				return this._filter;
			}
		}
	}
	
	,_valueColumnIndex: 0
	,_showColumnIndex: 1
	
	,initialize: function(props) {
		var node = this.createRoot('div');
		node.className = 'vn-filter';
		
		this._select = new Htk.Select();
		this._select.on('mousedown', this._onMouseDown, this);
		this._select.on('changed', this._onChange, this);
		this._select.on('ready', this._onReady, this);
		this.node.appendChild(this._select.node);
		
		this._ul = this.createElement('ul');
		this.node.appendChild(this._ul);
		
		this._lot = new Vn.Lot();
		this.parent(props);
	}
	
	,_onMouseDown: function() {
		if (this._model && this._model.status === Db.Model.Status.CLEAN)
			this._model.refresh();
	}
	
	,_onCloseClick: function() {
		this._removeSelectionNode();
		this._changeValue(undefined);
	}
	
	,_removeSelectionNode: function() {
		if (this._lastLi) {
			Vn.Node.remove(this._lastLi);
			this._lastLi = null;
			this._label = null;
		}		
	}
	
	,_onChange: function() {
		if (this._select.value === null
		|| this._select.value === undefined)
			return;
			
		this._realSetValue(this._select.value);
	}
	
	,_onReady: function() {
		if (this._emptyLabel)
			this._refreshLabel();
	}
	
	,_changeValue: function(newValue) {
		this._lot.block();
		this.value = newValue;
		this._lot.unblock();
	}
	
	,_onTimeout: function() {
		this._select.value = null;
	}
	
	,putValue: function(value) {
		this._onMouseDown();
		this._realSetValue(value);
	}
		
	,_realSetValue: function(value) {
		this._removeSelectionNode();

		if (value === null || value === undefined)
			return;

		var li = this._lastLi = this.createElement('li');
		this._ul.appendChild(li);
			
		var button = this.createElement('button');
		button.addEventListener('click',
			this._onCloseClick.bind(this, li));
		li.appendChild(button);
		
		var icon = new Htk.Icon({
			name: 'close',
			alt: _('Close')
		});
		button.appendChild(icon.node);

		var text = this._label = this.createTextNode('');
		li.appendChild(text);
		
		setTimeout(this._onTimeout.bind(this));

		this._changeValue(value);
		this._refreshLabel();
	}
	
	,_refreshLabel: function() {
		if (!this._label)
			return;
	
		let row = -1;
		const model = this._model;
		let showValue = '';
		this._emptyLabel = true;

		if (model) {
			if (model.ready) {
				row = model.searchByIndex(this._valueColumnIndex, this._value);

				if (row != -1) {
					var label = model.getByIndex(row, this._showColumnIndex);
					showValue = label;
					this._emptyLabel = false;
				}
			} else
				showValue = _('Loading...');
		}

		this._label.nodeValue = showValue;
	}
});