package client

import (
	"encoding/json"
	"fmt"
	"github.com/ouxuanserver/osmanthuswine/src/core"
	"hudongzhuanjia/controllers"
	"hudongzhuanjia/models"
	pay_service "hudongzhuanjia/services/pay"
	"hudongzhuanjia/utils/code"
	"hudongzhuanjia/utils/define"
	"strings"
	"time"
)

type GoodCtl struct {
	controllers.AuthorCtl
}

func (t *GoodCtl) GoodOption() {
	activityId := t.MustGetInt64("activity_id")
	//areaId := t.MustGetInt64("area_id")

	option := new(models.CustomerOrderOption)
	exist, err := option.GetByActivityId(activityId)
	t.CheckErr(err)
	if !exist {
		t.JSON([]interface{}{})
		return
	}
	//t.Assert(exist, code.MSG_ORDER_NOT_EXIST, "订单活动不存在")

	t.JSON(option)
}

// 商品列表
func (t *GoodCtl) ListGood() {
	activityId := t.MustGetInt64("activity_id")
	areaId := t.MustGetInt64("area_id")

	option := new(models.CustomerOrderOption)
	exist, err := option.GetByActivityId(activityId)
	t.CheckErr(err)
	if !exist {
		t.JSON([]interface{}{})
		return
	}

	goods, err := models.GetGoodsByActivityId(activityId, areaId)
	t.CheckErr(err)

	for index := range goods {
		goods[index].GoodType = option.PostFeeType
		goods[index].Postage = option.PostFee
	}
	t.JSON(goods)
	return
}

func (t *GoodCtl) ListOrder() {
	activityId := t.MustGetInt64("activity_id")
	status := t.MustGet("status")
	areaId := t.MustGetInt64("area_id")
	uid := t.MustGetUID()

	statusList := strings.Split(status, ",")

	activity := new(models.Activity)
	exist, err := models.GetById(activity, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_ACTIVITY_NOT_EXIST, "互动不存在")

	option := new(models.CustomerOrderOption)
	exist, err = option.GetByActivityId(activityId)
	t.CheckErr(err)
	if !exist {
		t.JSON([]interface{}{})
		return
	}

	orders, err := models.GetCustomerOrdersByActivityId(uid, activity.Id, activity.RehearsalId,
		areaId, statusList, t.Page, t.PageSize)
	t.CheckErr(err)
	orderNos := make([]string, 0)
	for _, order := range orders {
		orderNos = append(orderNos, order.OrderNo)
	}
	subs, err := models.GetCustomerOrderSubByOrderNos(orderNos...)
	t.CheckErr(err)
	for index, order := range orders {
		order.ServicePhone = option.MainServicePhone
		for _, sub := range subs {
			if order.OrderNo == sub["order_no"] {
				orders[index].SubOrders = append(orders[index].SubOrders, sub)
			}
		}
	}
	t.JSON(orders)
}

type OrderParam struct {
	ActivityId int64            `json:"activity_id"`
	AreaId     int64            `json:"area_id"`
	Name       string           `json:"name"`
	Phone      string           `json:"phone"`
	Address    string           `json:"address"`
	Goods      []map[string]int `json:"goods"`
}

// 下订单
func (t *GoodCtl) Order() {
	userId := t.MustGetUID() //
	param := OrderParam{}
	if t.Request.OriginRequest.Method == "POST" {
		t.CheckErr(t.Bind(&param))
	} else if t.Request.OriginRequest.Method == "GET" {
		param.ActivityId = t.MustGetInt64("activity_id")
		param.AreaId = t.MustGetInt64("area_id")
		param.Name = t.MustGet("name")
		param.Phone = t.MustGet("phone")
		param.Address = t.MustGet("address")
		goods := t.MustGet("goods")
		err := json.Unmarshal([]byte(goods), &param.Goods)
		t.CheckErr(err)
	}

	activity := new(models.Activity)
	exist, err := models.GetById(activity, param.ActivityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_ACTIVITY_NOT_EXIST, "互动不存在")

	area := new(models.AreaStore)
	exist, err = models.GetById(area, param.AreaId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_AREASTORE_NOT_EXIST, "地区不存在")

	user := new(models.User)
	exist, err = models.GetById(user, userId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_USER_NOT_EXIST, "用户不存在")

	option := new(models.CustomerOrderOption)
	exist, err = option.GetByActivityId(param.ActivityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_DATA_NOT_EXIST, "订单活动不存在")

	// 注意库存 --> 开启事务
	session := core.GetXormAuto().NewSession()
	defer session.Close()
	session.Begin()

	subOrders := make([]*models.CustomerOrderSub, 0)
	var price = 0
	for _, g := range param.Goods {
		good := new(models.CustomerGoods)
		exist, err = session.Where("is_delete=0 and id=?", g["id"]).Get(good)
		if err != nil || !exist {
			session.Rollback()
			t.ERROR("商品信息异常", code.MSG_DATA_NOT_EXIST)
		}

		if good.Stock-g["num"] < 0 {
			session.Rollback()
			t.ERROR("商品库存不足", code.MSG_DATA_NOT_EXIST)
		}

		if good.Stock > 0 {
			_, err = session.ID(good.Id).Decr("stock", g["num"]).Cols("stock").Update(good)
			if err != nil {
				session.Rollback()
				t.CheckErr(err)
			}
		}
		price += int(good.Price*100) * g["num"]
		subOrders = append(subOrders, &models.CustomerOrderSub{
			IsDelete:  false,
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
			OrderNo:   "",
			GoodsId:   good.Id,
			GoodsNum:  g["num"],
			GoodName:  good.Name,
			GoodPrice: good.Price,
		})
	}

	res, err := pay_service.UnifiedOrder("欧轩互动-直播商品", user.Openid,
		int64(price+int(option.PostFee*100)), 4, userId, activity.Id)
	if err != nil {
		session.Rollback()
		t.CheckErr(err)
	}

	count, err := session.Where("is_delete=0").Count(&models.CustomerOrder{})
	if err != nil {
		session.Rollback()
		t.CheckErr(err)
	}

	order := models.CustomerOrder{
		IsDelete:    false,
		CreatedAt:   time.Now(),
		UpdatedAt:   time.Now(),
		OrderNo:     fmt.Sprint(define.DefaultOrderNo + int(count)),
		ActivityId:  activity.Id,
		AreaId:      area.Id,
		AreaName:    area.Name,
		RehearsalId: activity.RehearsalId,
		OutTradeNo:  res["out_trade_no"].(string),
		BuyerId:     user.Id,
		TotalAmount: float64(price)/100 + option.PostFee,
		PayAmount:   float64(price)/100 + option.PostFee,
		Status:      0,
		Receiver:    param.Name,
		Address:     param.Address,
		Phone:       param.Phone,
		IsDrawCash:  0,
		Postage:     option.PostFee,
	}
	_, err = session.InsertOne(&order)
	if err != nil {
		session.Rollback()
		t.CheckErr(err)
	}
	for _, subOrder := range subOrders {
		subOrder.OrderNo = order.OrderNo
		_, err = session.InsertOne(subOrder)
		if err != nil {
			session.Rollback()
			t.CheckErr(err)
		}
	}

	session.Commit()
	res["order_id"] = order.Id

	t.JSON(res)
}

// 为支付的重新支付
func (t *GoodCtl) Reorder() {
	outTradeNo := t.MustGet("out_trade_no")

	res, err := pay_service.ReOrder(outTradeNo)
	t.CheckErr(err)
	t.JSON(res)
}

// 订单状态[0未支付1已支付即待发货3已发货4确认收货5申请退款6已退款7申请退货8已退货9已取消]
// 申请退款
func (t *GoodCtl) RefundOrder() {
	outTradeNo := t.MustGet("out_trade_no")

	order := new(models.CustomerOrder)
	exist, err := order.GetByOutTradeNO(outTradeNo)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_CUSTOMER_ORDER_NOT_EXIST, "用户订单不存在")
	if order.Status == 1 { // 退款
		_, err = order.UpdateStatusBy(outTradeNo, 1, 5)
	} else if order.Status == 3 {
		_, err = order.UpdateStatusBy(outTradeNo, 3, 7)
	} else {
		t.ERROR("订单非已支付或者已发货状态不能申请退款", code.MSG_CUSTOMER_ORDER_ERROR)
		return
	}
	t.CheckErr(err)
	t.SUCCESS("成功申请退款")
}

// 取消订单
func (t *GoodCtl) CancelOrder() {
	outTradeNo := t.MustGet("out_trade_no")

	order := new(models.CustomerOrder)
	exist, err := order.GetByOutTradeNO(outTradeNo)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_CUSTOMER_ORDER_NOT_EXIST, "用户订单不存在")
	if order.Status != 0 {
		t.ERROR("非待支付状态不能取消", code.MSG_CUSTOMER_ORDER_ERROR)
	}
	session := core.GetXormAuto().NewSession()
	defer session.Close()
	err = session.Begin()
	t.CheckErr(err)
	order.Status = 9
	order.CancelTime = time.Now()
	_, err = session.Where("is_delete=0 and status=? and out_trade_no=?",
		0, outTradeNo).Cols("status, cancel_time").Update(order)
	if err != nil {
		session.Rollback()
		t.CheckErr(err)
	}
	subs := make([]*models.CustomerOrderSub, 0)
	err = session.Where("is_delete=0 and order_no=?", order.OrderNo).Find(&subs)
	if err != nil {
		session.Rollback()
		t.CheckErr(err)
	}
	for _, sub := range subs {
		_, err = session.Where("id=?", sub.GoodsId).
			Incr("stock", sub.GoodsNum).Update(&models.CustomerGoods{})
		if err != nil {
			session.Rollback()
			t.CheckErr(err)
		}
	}
	err = session.Commit()
	t.CheckErr(err)
	pay_service.Close(outTradeNo)
	t.SUCCESS("成功取消订单")
}

func (t *GoodCtl) VerifyOrder() {
	outTradeNo := t.MustGet("out_trade_no")

	order := new(models.CustomerOrder)
	exist, err := order.GetByOutTradeNO(outTradeNo)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_CUSTOMER_ORDER_NOT_EXIST, "用户订单不存在")
	if order.Status != 3 && order.Status != 1 {
		t.ERROR("非已支付或已发货状态不能确认", code.MSG_CUSTOMER_ORDER_ERROR)
	}
	_, err = order.UpdateStatusBy(outTradeNo, 3, 4)
	t.CheckErr(err)
	t.SUCCESS("成功确认已收货")
}