// Copyright (c) 2016, hackbard. All rights reserved. Use of this source code
// is governed by a BSD-style license that can be found in the LICENSE file.

import 'dart:async';

import 'package:angular2/core.dart';
import 'package:angular2/router.dart';

import 'product.dart';
import 'product_service.dart';
import 'product_category.dart';
import 'product_category_service.dart';

import 'package:angular2_rbi/directives.dart';

@Component(
	selector: 'my-product-details',
	templateUrl: 'product_detail_component.html',
	styleUrls: const ['product_detail_component.css'],
	directives: const [MaterialTextfield,MaterialButton],
	providers: const [ProductService,ProductCategoryService]
)

class ProductDetailComponent implements OnInit {
	final ProductService _prodSrv;
	final ProductCategoryService _prodcatSrv;
	final RouteParams _routeParams;

	List<ProductCategory> prodcats;
	Product prod;

	String prod_name;
	String prod_category;
	double prod_price;

	ProductDetailComponent(this._prodSrv,this._prodcatSrv,
	                       this._routeParams) {
		prod_name='Product';
		prod_price=0;
	}

	Future<Null> ngOnInit() async {
		var id=_routeParams.get('id');
		if(id!=null) {
			prod = await (_prodSrv.getById(id));
			prodcats = await (_prodcatSrv.getAll());
		}
		prod_name=prod.name;
		prod_price=prod.price;
		prod_category=prod.category;
	}

	Future<Null> updateProduct() async {
		bool doupdate=false;
		if(prod.name!=prod_name) {
			doupdate=true;
		}
		if(prod.price!=prod_price) {
			doupdate=true;
		}
		if(prod.category!=prod_category) {
			doupdate=true;
		}
		if(doupdate) {
			print('Debug: Updating product '+
			      prod.name+'/'+prod.price.toString()+'/'+
			      prod.category+' -> '+
			      prod_name+'/'+prod_price.toString()+'/'+
			      prod_category);
			await _prodSrv.updateProd(
				prod.id,
				prod_name,
				prod_price,
				prod_category
			);
			prod.price=prod_price;
			prod.name=prod_name;
			prod.category=prod_category;
		}
	}

	Future<Null> deleteProduct(Product prod) async {
		print('Debug: Deleting product '+prod.name);
		await _prodSrv.deleteProduct(prod.id);
	}

}