package com.matrix.system.hive.action;

import com.matrix.core.pojo.AjaxResult;
import com.matrix.core.tools.WebUtil;
import com.matrix.system.constance.Dictionary;
import com.matrix.system.constance.SystemConstance;
import com.matrix.system.hive.bean.ShoppingGoods;
import com.matrix.system.hive.bean.ShoppingGoodsAssemble;
import com.matrix.system.hive.dao.ShoppingGoodsAssembleDao;
import com.matrix.system.hive.pojo.ShoppingCarItem;
import com.matrix.system.hive.service.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.List;


/**
 * 线下订单
 *
 * @author jiangyouyao
 * @date 2016-09-08
 */
@Controller
@RequestMapping(value = "admin/shoppingCar")
public class ShoppingCarController extends BaseController {
    @Resource
    private SysOrderService currentService;
    @Resource
    private MoneyCardUseService cardUseService;
    @Resource
    private SysOrderService orderService; // 订单信息Service



    @Resource
    private SysProjUseService projUseService; // 产品使用Service

    @Resource
    private ShoppingGoodsService shoppingGoodsService;

    @Resource
    private ShoppingGoodsAssembleService shoppingGoodsAssembleService;

    @Autowired
    private ShoppingGoodsAssembleDao shoppingGoodsAssembleDao;


    /**
     * 在购物车中添加一个产品
     *
     * @author jiangyouyao
     */
    @RequestMapping(value = "/addItemToCar")
    @SuppressWarnings("unchecked")
    public @ResponseBody
    AjaxResult findProject(ShoppingCarItem carItem) {
        List<ShoppingCarItem> carItems = null;
        // 查看购物车是否存在
        if (WebUtil.getSession().getAttribute(SystemConstance.SHOPPING_CAR) == null) {
            WebUtil.getSession().setAttribute(SystemConstance.SHOPPING_CAR, new ArrayList<>());
        }
        carItems = (List<ShoppingCarItem>) WebUtil.getSession().getAttribute(
                SystemConstance.SHOPPING_CAR);
        // 根据类型不同设置不同的实体对象,并且去重
        toAdd(carItem, carItems);

        return new AjaxResult(AjaxResult.STATUS_SUCCESS, "添加成功！");
    }

    /**
     * 原来存在的商品则只是增加数量，原来存在在购物车则只改变数量
     *
     * @param carItem
     * @param carItems
     * @author jiangyouyao
     */
    private void toAdd(ShoppingCarItem carItem, List<ShoppingCarItem> carItems) {
        ShoppingGoods shopGoods = shoppingGoodsService.findById(carItem.getGoodsId());
        carItem.setShoppingGoods(shopGoods);
        boolean flag = true;
        //  去重
        for (ShoppingCarItem shoppingCarItem : carItems) {
            Long existId = shoppingCarItem.getGoodsId();
            Long getId = carItem.getGoodsId();
            boolean idIsSame = existId.equals(getId);
            boolean bothIsFree = shoppingCarItem.getIsFree().equals(carItem.getIsFree());
            if (idIsSame && bothIsFree) {
                shoppingCarItem.setCount(shoppingCarItem.getCount() + carItem.getCount());
                flag = false;
                break;
            }
        }
        if (flag) {
            carItems.add(carItem);
        }
    }

    /**
     * 清空购物车
     */
    @RequestMapping(value = "/clearShoppingCar")
    public @ResponseBody
    AjaxResult clearShoppingCar() {
        WebUtil.getSession().removeAttribute(SystemConstance.SHOPPING_CAR);
        return new AjaxResult(AjaxResult.STATUS_SUCCESS, "购物车已清空");
    }


    /**
     * 查询购物车产品
     *
     * @author 姜友瑶
     */
    @RequestMapping(value = "/showCar")
    public @ResponseBody
    AjaxResult showCar() {
        @SuppressWarnings("unchecked")
        List<ShoppingCarItem> carItems = (List<ShoppingCarItem>) WebUtil.getSession().getAttribute(
                SystemConstance.SHOPPING_CAR);
        return new AjaxResult(AjaxResult.STATUS_SUCCESS, carItems, 0);
    }


}