package com.kettas.action;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.MappingDispatchAction;

import com.kettas.biz.ProductBiz;
import com.kettas.entity.Product;
import com.kettas.exception.BizException;

/*
 * Title:商品操作相关Action
 * Author:SecondGroup
 * Time:2010.1.14
 * Version:1.0.0
 */
public class ProductAction extends MappingDispatchAction{
	private ProductBiz pbiz;
	
	public ProductBiz getPbiz() {
		return pbiz;
	}

	public void setPbiz(ProductBiz pbiz) {
		this.pbiz = pbiz;
	}

	/*
	 * 查询所有商品类型
	 */
	public ActionForward getAllProductTypes(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){	
		List<Product> products=new ArrayList<Product>();
		Set<String> productTypes=new HashSet<String>();
		
		List<Product> topProducts=new ArrayList<Product>();
		
		try {
			products=pbiz.getAllProducts();
			
			topProducts=pbiz.getProductsOrderByPrice();
//			for(Product p:topProducts){
//				System.out.println("======================"+p.getPrice()+"===========================");
//			}
			/*
			 * 热门商品和推荐商品选取价格升序排名前四的商品
			 */
		} catch (Exception e) {
			throw new BizException(e);
		}
		
		for(Product p:products){
			//将所有的商品类型都添加到set中去
			productTypes.add(p.getType());
		}
		
		/*for(String s:productTypes){
			System.out.println("---------------------"+s+"-----------------------");
		}*/
		request.setAttribute("productTypes", productTypes);
		
		//设置热门商品和推荐商品
		request.setAttribute("product1", topProducts.get(0));
		request.setAttribute("product2", topProducts.get(1));
		request.setAttribute("product3", topProducts.get(2));
		request.setAttribute("product4", topProducts.get(3));
		request.setAttribute("product5", topProducts.get(4));
		request.setAttribute("product6", topProducts.get(5));
		//HttpSession session=request.getSession(true);
		//session.setAttribute("productTypes", productTypes);

		return mapping.findForward("index");
	}
	
	
	/*
	 * 查询选择器，根据form的条件选择具体用哪一个action以及根据flag选择跳转的页面
	 */
	public ActionForward selectFilter(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		String searchType=request.getParameter("searchType").trim();
		String idNamePriceTypeDescAll=request.getParameter("idNamePriceTypeDescAll").trim();
		System.out.println("=================="+searchType+"=================="+idNamePriceTypeDescAll+"=================");
		//得到flag的input的value值，具体有index和detail两种
		//String flag=request.getParameter("flag").trim();
		
		if(searchType.equals("按商品ID")){
			request.setAttribute("idNamePriceTypeDescAll", idNamePriceTypeDescAll);
			//request.setAttribute("flag", flag);
			return mapping.findForward("getProductById");
		}else if(searchType.equals("按商品名称")){
			request.setAttribute("idNamePriceTypeDescAll", idNamePriceTypeDescAll);
			//request.setAttribute("flag", flag);
			return mapping.findForward("getProductsByName");
		}else if(searchType.equals("按商品价格")){
			request.setAttribute("idNamePriceTypeDescAll", idNamePriceTypeDescAll);
			//request.setAttribute("flag", flag);
			return mapping.findForward("getProductsByPrice");
		}/*else if(searchType.equals("商品类型")){
			request.setAttribute("idNamePriceTypeDescAll", idNamePriceTypeDescAll);
			//request.setAttribute("flag", flag);
			return mapping.findForward("getProductsByType");
		}*/else if(searchType.equals("按商品描述")){
			request.setAttribute("idNamePriceTypeDescAll", idNamePriceTypeDescAll);
			//request.setAttribute("flag", flag);
			return mapping.findForward("getProductsByDescription");
		}else if(searchType.equals("全部商品")){
			//request.setAttribute("flag", flag);
			return mapping.findForward("getAllProducts");
		}else{
			return mapping.findForward("error");
		}
	}
	/*
	 * 查询所有商品
	 */
	public ActionForward getAllProducts(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		//String flag=request.getParameter("flag");
		List<Product> products=new ArrayList<Product>();
		
		try {
			products=pbiz.getAllProducts();
		} catch (Exception e) {
			throw new BizException(e);
		}
		
		//将查询到集合设置到request属性里
		request.setAttribute("products", products);
		
		return mapping.findForward("display");
	}
	
	/*
	 * 按商品ID查询商品Action
	 */
	public ActionForward getProductById(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		String idNamePriceTypeDescAll=request.getParameter("idNamePriceTypeDescAll").trim();
		Integer id=Integer.parseInt(idNamePriceTypeDescAll);
		
		Product product=null;
		List<Product> products=new ArrayList<Product>();
		try {
			product=pbiz.getProductById(id);
			products.add(product);
		} catch (Exception e) {
			throw new BizException(e);
		}
		request.setAttribute("products", products);
		
		return mapping.findForward("display");
	}
	
	/*
	 * 按商品类型查询商品Action
	 */
	public ActionForward getProductsByType(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		String type=request.getParameter("type").trim();
		System.out.println("------------------"+type+"-----------------------");
		List<Product> products=new ArrayList<Product>();
		try {
			products=pbiz.getProductsByType(type);
		} catch (Exception e) {
			throw new BizException(e);
		}
		
		request.setAttribute("products", products);
		return mapping.findForward("display");
	}
	
	/*
	 * 按商品名称查询商品Action
	 */
	public ActionForward getProductsByName(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		String name=request.getParameter("idNamePriceTypeDescAll").trim();
		
		List<Product> products=new ArrayList<Product>();
		
		try {
			products=pbiz.getProductsByName(name);
		} catch (Exception e) {
			throw new BizException(e);
		}
		
		request.setAttribute("products", products);
		return mapping.findForward("display");
	}
	
	
	/*
	 * 按商品价格查询商品Action
	 */
	public ActionForward getProductsByPrice(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		String priceStr=request.getParameter("idNamePriceTypeDescAll").trim();
		double price=Double.parseDouble(priceStr);
		
		List<Product> products=new ArrayList<Product>();
		
		try {
			products=pbiz.getProductsByPrice(price);
		} catch (Exception e) {
			throw new BizException(e);
		}
		
		request.setAttribute("products", products);
		return mapping.findForward("display");
	}
	
	
	/*
	 * 按商品描述查询商品Action
	 */
	public ActionForward getProductsByDescription(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response){
		String description=request.getParameter("idNamePriceTypeDescAll").trim();
		
		List<Product> products=new ArrayList<Product>();
		try {
			products=pbiz.getProductsByDescription(description);
		} catch (Exception e) {
			throw new BizException(e);
		}
		
		request.setAttribute("products", products);
		return mapping.findForward("display");
	}
}