package api

import (
	"encoding/json"
	"fmt"
	"go_zh/model"
	"go_zh/pkg/validator"
	"go_zh/request/api"
	"go_zh/server"
	"go_zh/server/chinaums"

	"github.com/gin-gonic/gin"
	"github.com/shopspring/decimal"
)

type ShopOrderController struct {
	BaseController
}

func (shopOrder ShopOrderController) GetOrderSn(c *gin.Context) {

	mId := c.GetInt("mId")

	//数据验证
	var data api.CreateOrderRequest
	msg, ok := validator.ValidatorData(c, &data)
	if !ok {
		shopOrder.responseError(c, 400, msg)
		return
	}
	if data.PayType == 1 {
		if mId == 0 {
			shopOrder.responseError(c, 401, "缺少登陆信息")
			return
		}
	}

	//对金额进行精度处理
	money, err := decimal.NewFromString(data.PayMoney)
	if err != nil {
		shopOrder.responseError(c, 400, "金额错误")
		return
	}
	//对最小金额做判断
	minMoney, _ := decimal.NewFromString("0.01")
	if money.LessThan(minMoney) { //当 money 小于 minMoney 时
		shopOrder.responseError(c, 400, "金额不合法")
		return
	}

	redisServer := server.GetRedisServerInstance()
	//获取商户银联信息
	shopMchidModel := model.XShopMchid{}
	var shopMchidInfo = model.XShopMchid{}

	shopMchidKey := fmt.Sprintf("%s%s", "shopMachidInfo", data.ShopId)

	shopMchidJson := redisServer.GetStr(shopMchidKey)
	if len(shopMchidJson) == 0 { //没缓存信息
		shopMchidInfo, err = shopMchidModel.GetShopBankMchid(data.ShopId)
		if err != nil {
			shopOrder.responseError(c, 400, "商户号信息错误"+err.Error())
			return
		}
		//存入缓存
		jsonData, _ := json.Marshal(shopMchidInfo)
		redisServer.SetStr(shopMchidKey, string(jsonData), 120)
	} else {
		_ = json.Unmarshal([]byte(shopMchidJson), &shopMchidInfo)

	}
	isBank := 0
	if shopMchidInfo.ID > 0 { //如果有银联信息就是银联支付
		isBank = 1
	}
	//获取商户配置
	shopSetModel := model.XShopSet{}
	var shopSetInfo = model.XShopSet{}

	shopSetKey := fmt.Sprintf("%s%s", "shopSetInfo", data.ShopId)

	shopSetJson := redisServer.GetStr(shopSetKey)
	if len(shopSetJson) == 0 { //没缓存信息
		shopSetInfo, err = shopSetModel.GetShopSetInfo(data.ShopId)
		if err != nil {
			shopOrder.responseError(c, 400, "商户配置信息错误")
			return
		}
		//存入缓存
		shopSetJsonData, _ := json.Marshal(shopSetInfo)
		redisServer.SetStr(shopSetKey, string(shopSetJsonData), 120)
	} else {
		_ = json.Unmarshal([]byte(shopSetJson), &shopSetInfo)

	}
	var discount decimal.Decimal
	if shopSetInfo.ID <= 0 { //如果没有
		discount, _ = decimal.NewFromString("0")
	} else {
		discount = shopSetInfo.Discount
	}
	orderSnServer := server.GetOrderSnServerInstance(1)
	orderSn := orderSnServer.GenerateString("382FS")
	//创建订单信息
	shopOrderModel := model.XShopOrder{}
	shopOrderModel.ShopID = data.ShopId
	shopOrderModel.PayType = data.PayType
	shopOrderModel.MID = mId
	shopOrderModel.RsSn = orderSn
	shopOrderModel.PayMoney = money
	shopOrderModel.Status = 1
	shopOrderModel.Discount = discount
	shopOrderModel.IsClearing = 0
	shopOrderModel.IsReport = 0
	shopOrderModel.PayCodeSource = data.PayCodeSource
	shopOrderModel.IsBank = isBank

	err = shopOrderModel.CreateShopOrder()
	if err != nil {
		shopOrder.responseError(c, 400, "订单创建失败")
		return
	}

	chinaumsServer := chinaums.GetOrderSnServerInstance()
	weChatV2Server := server.GetWeChatV2ServerInstance()
	aliPayServer := server.GetAliPayServerInstance()
	var payUrl string
	var zfbPay string
	var wxData interface{}
	var notifyUrl string
	if data.PayType == 1 { //微信支付
		//查询当前用户 openid
		memberOpenIdModel := model.XMemberOpenID{}
		var memberOpenIdInfo = model.XMemberOpenID{}
		memberOpenIdInfo, err = memberOpenIdModel.GetMemberOpenInfo(mId, 1)
		if err != nil {
			shopOrder.responseError(c, 409, "会员信息错误")
			return
		}
		if len(memberOpenIdInfo.Openid) <= 0 {
			shopOrder.responseError(c, 409, "会员信息错误")
			return
		}
		memberOpenId := memberOpenIdInfo.Openid
		if isBank == 1 {
			payUrl = chinaumsServer.ShopOrderWxH5Pay(shopMchidInfo, shopOrderModel.RsSn, shopOrderModel.PayMoney, notifyUrl, memberOpenId)
		} else {
			notifyUrl = "http://127.0.0.1/api/notify/shopOrder"
			clientIP := c.ClientIP()
			wxData = weChatV2Server.WeChatV2JsPay(shopOrderModel.RsSn, shopOrderModel.PayMoney, notifyUrl, "订单支付", memberOpenId, clientIP)
		}

	} else { //支付宝支付
		if isBank == 1 {
			payUrl = chinaumsServer.ShopOrderAliH5Pay(shopMchidInfo, shopOrderModel.RsSn, shopOrderModel.PayMoney, notifyUrl)
		} else {
			notifyUrl = "http://127.0.0.1/api/notify/shopOrder"
			returnUrl := "http://127.0.0.1/api/notify/shopOrder"
			zfbPay = aliPayServer.GetAliWapPay(shopOrderModel.RsSn, shopOrderModel.PayMoney, "订单支付", notifyUrl, returnUrl)
		}
	}
	result := make(map[string]interface{})
	result["is_bank"] = isBank
	result["wx_pay"] = wxData
	result["zfb_pay"] = zfbPay
	result["pay_url"] = payUrl
	shopOrder.responseSuccess(c, result)
}

// GetOrderInfo 获取订单详情
func (shopOrder ShopOrderController) GetOrderInfo(c *gin.Context) {

	//数据验证
	var data api.GetOrderInfoRequest
	msg, ok := validator.ValidatorData(c, &data)
	if !ok {
		shopOrder.responseError(c, 400, msg)
		return
	}

	shopOrderModel := model.XShopOrder{}
	info, err := shopOrderModel.GetOrderInfo(data.OrderSn)
	if err != nil {
		shopOrder.responseError(c, 400, "订单查询失败")
		return
	}

	if info.RsSn == "" {
		shopOrder.responseError(c, 400, "订单不存在")
		return
	}

	shopOrder.responseSuccess(c, info)
}

// GetShopBankOrder 获取商户银联待入账金额列表（最新 10 条）
func (shopOrder ShopOrderController) GetShopBankOrder(c *gin.Context) {
	// 获取当前登录会员 ID
	mId := c.GetInt("mId")
	if mId == 0 {
		shopOrder.responseError(c, 401, "缺少登陆信息")
		return
	}

	// 根据会员 ID 获取店铺信息
	shopModel := model.XShop{}
	shop, err := shopModel.GetShopByMemberId(mId)
	if err != nil || shop.ID == 0 {
		shopOrder.responseError(c, 400, "未找到店铺信息")
		return
	}

	// 查询订单列表（最新 10 条）
	shopOrderModel := model.XShopOrder{}
	items, err := shopOrderModel.GetBankOrderList(shop.ID)
	if err != nil {
		shopOrder.responseError(c, 400, "订单列表查询失败")
		return
	}

	// 获取银联待入账总金额
	totalBankMoney, err := shopOrderModel.GetTotalBankMoney(shop.ID)
	if err != nil {
		shopOrder.responseError(c, 400, "总金额查询失败")
		return
	}

	// 获取商户配置（折扣比例）
	shopSetModel := model.XShopSet{}
	shopSetInfo, err := shopSetModel.GetShopSetInfo(shop.ID)
	if err != nil {
		// 如果没有配置，使用默认值 0
		shopSetInfo.Discount, _ = decimal.NewFromString("0")
	}

	// 计算清分金额和待入账金额
	discountPercent := shopSetInfo.Discount
	clearingMoney := discountPercent.Div(decimal.NewFromInt(100)).Mul(totalBankMoney)
	bankWaitMoney := totalBankMoney.Sub(clearingMoney)

	// 处理每个订单项，计算实际收益金额
	for i := range items {
		itemClearingMoney := discountPercent.Div(decimal.NewFromInt(100)).Mul(items[i].PayMoney)
		items[i].PayMoney = items[i].PayMoney.Sub(itemClearingMoney)
		items[i].IsClearing = 0 // 设置为待清分状态
	}

	// 构建响应数据
	result := map[string]interface{}{
		"total_money": bankWaitMoney.String(),
		"list":        items,
	}

	shopOrder.responseSuccess(c, result)
}