package com.aiit.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import com.aiit.domain.Product;
import com.aiit.form.ProductForm;
import com.aiit.service.ProductService;
import com.sun.istack.internal.logging.Logger;

@Controller
public class ProductController {
	private static final Logger logger = Logger.getLogger(ProductController.class);
	//自动注入向后端数据库写数据的组件
	@Autowired
	private ProductService productService;

	@RequestMapping(value = "/product_input")
	public String inputProduct() {
		logger.info("inputProduct被调用，已经进入添加商品表单！！");
		return "ProductForm";
	}

	@RequestMapping(value = "/product_save", method = RequestMethod.POST)
	//和表单关联，地址对应表单的action
	public String saveProduct(ProductForm productForm, RedirectAttributes redirectAttributes) {
		logger.info("saveProduct 被调用，数据已经保存");

		Product product = new Product();
		product.setName(productForm.getName());
		product.setDescription(productForm.getDescription());		
		product.setPrice(Double.parseDouble(productForm.getPrice()));
		//add product
		Product saveProduct = productService.add(product);
		//使用下面的对象可以给重定向传值，效果就是view界面出现如下一句话！
		redirectAttributes.addFlashAttribute("message", "恭喜！您输入的产品已经添加成功!");
		//redirect属性可以重定向到新的界面
		return "redirect:/product_view/" + product.getId() ;//+ ".action";

	}
//PathVariable是从HTTP地址当中获取值赋值给参数
//losthost:8080/xxx/product_view/1 ,id=1
	@RequestMapping(value = "/product_view/{id}", method = RequestMethod.GET)
	public String viewProduct(@PathVariable Long id, Model model) {
		Product product = productService.get(id);
		model.addAttribute("product", product);
		logger.info(productService.get(id)+"号产品已经为你展示");
		return "ProductView";
	}
//
	@RequestMapping(value = "/product_retrieve")
	public String sendProduct() {		
		logger.info("123");
		return "ProductView";
	}
}