package com.iamberry.wechat.handles.home;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

import com.iamberry.wechat.tools.WeixinUtil;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.iamberry.wechat.core.entity.ResultMsg;
import com.iamberry.wechat.core.entity.WechatUtils;
import com.iamberry.wechat.core.entity.banner.ActionBannerImage;
import com.iamberry.wechat.core.entity.member.Member;
import com.iamberry.wechat.core.entity.product.Product;
import com.iamberry.wechat.face.admin.SystemService;
import com.iamberry.wechat.face.cart.ProductInfoService;
import com.iamberry.wechat.face.home.HomeService;
import com.iamberry.wechat.face.member.MemberService;
import com.iamberry.wechat.tools.NameUtils;
import com.iamberry.wechat.tools.ResultInfo;

/**
 * @company	深圳爱贝源科技有限公司
 * @website www.iamberry.com
 * @author 	献
 * @tel		18271840547
 * @date	2016年11月3日
 * @explain	微信商城首页Handler
 */
@Controller
@RequestMapping("/wechat")
public class HomeHandler {

	@Autowired
	private HomeService homeService;
	
	@Autowired
	private ProductInfoService productInfoService;

	@Autowired
	private WechatUtils wechatUtils;

	@Autowired
	private MemberService memberService;

	@Autowired
	private SystemService systemService;

	
	/**
	 * 微信商城首页URL
	 * @return
	 * @throws Exception 
	 */
	@RequestMapping(value = "/index", method = RequestMethod.GET)
	public void index(HttpServletRequest request, HttpServletResponse response) throws Exception {
		//如果是分享 则绑定关系
		Member member = wechatUtils.getUserBySession(request);
		String shareOpenid = request.getParameter("shareOpenid");
		if(StringUtils.isNotEmpty(shareOpenid)){
			build(shareOpenid, member);
		}
		request.getRequestDispatcher(NameUtils.WECHAT_SHOP_INDEX).forward(request, response);
	}
	
	/**
	 * post请求获取首页Banner数据
	 * @throws Exception 
	 */
	@ResponseBody
	@RequestMapping(value = "/indexData", method = RequestMethod.POST)
	public ResultMsg indexData(HttpServletRequest request) throws Exception {
		ResultMsg msg = new ResultMsg();
		Member member =  wechatUtils.getUserBySession(request);
		if (member == null || member.getUserOpenid() == null) {
			msg.setMessage(ResultInfo.loginOutError);
			msg.setStatus(false);
			return msg;
		}
		
		// 准备数据
		Map<String, Object> returnMap = new HashMap<String, Object>();
		List<Product> productList = productInfoService.selectIndexPageProduct();
		
		List<ActionBannerImage> images = homeService.selectNowBannerByType(); 	// Banner、广告位
		List<ActionBannerImage> banners = new ArrayList<ActionBannerImage>();	// banner
		List<ActionBannerImage> advs = new ArrayList<ActionBannerImage>();		// 广告位
		if (images != null && images.size() >= 1) {								// 分类注册
			for (ActionBannerImage actionBannerImage : images) {
				if (actionBannerImage.getBannerId() == 1) {
					banners.add(actionBannerImage);
				} else {
					advs.add(actionBannerImage);
				}
			}
		}
		returnMap.put("advs", advs);
		returnMap.put("banners", banners);
		returnMap.put("products", productList); 							// 产品信息，10个
		returnMap.put("memberOpenid", member.getUserOpenid()); 				// 当前用户信息 分享用
		
		msg.setData(returnMap); 											// 封装数据
		msg.setMessage(ResultInfo.SUCCESSINFO);
		msg.setResultCode(ResultInfo.SUCCESSCODE);
		msg.setStatus(true);
		
		return msg;
	}
	
	/**
	 * 绑定用户关系
	 * @param shareOpenid	分享的人
	 * @param member		当前用户
	 */
	@Async
	public void build(String shareOpenid, Member member) {
		boolean flag = memberService.buildChildUser(shareOpenid, member,1);
		if(flag){
			memberService.updateUserFlagByOpenId(member.getUserOpenid());		// 绑定用户关系
		}
	}
}