package controller

import (
	"github.com/gin-gonic/gin"
	"hepa-calc-api/api/dao"
	"hepa-calc-api/api/dto"
	"hepa-calc-api/api/requests"
	"hepa-calc-api/api/responses"
	"hepa-calc-api/api/service"
	"hepa-calc-api/global"
	"hepa-calc-api/utils"
	"strconv"
)

type UserCoupon struct{}

// GetUserCouponPage 获取优惠卷列表-分页
func (b *UserCoupon) GetUserCouponPage(c *gin.Context) {
	userCouponRequest := requests.UserCouponRequest{}
	req := userCouponRequest.GetUserCouponPage
	if err := c.ShouldBind(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	if req.Page == 0 {
		req.Page = 1
	}

	if req.PageSize == 0 {
		req.PageSize = 20
	}

	userId := c.GetInt64("UserId")
	req.UserId = userId

	// 获取数据
	userCouponDao := dao.UserCouponDao{}
	userCoupon, total, err := userCouponDao.GetUserCouponPageSearch(req, req.Page, req.PageSize)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 处理返回值
	g := dto.GetUserCouponListDto(userCoupon)

	result := make(map[string]interface{})
	result["page"] = req.Page
	result["page_size"] = req.PageSize
	result["total"] = total
	result["data"] = g
	responses.OkWithData(result, c)
}

// GetUserCouponUnnotified 获取还未弹窗的优惠卷
func (b *UserCoupon) GetUserCouponUnnotified(c *gin.Context) {
	userId := c.GetInt64("UserId")

	// 获取数据
	userCouponDao := dao.UserCouponDao{}
	maps := make(map[string]interface{})
	maps["user_id"] = userId
	maps["user_coupon_status"] = 0
	maps["is_windows"] = 0
	userCoupon, _ := userCouponDao.GetUserCoupon(maps)
	if userCoupon == nil {
		responses.OkWithData(nil, c)
		return
	}

	// 获取优惠卷数据
	couponDao := dao.CouponDao{}
	coupon, _ := couponDao.GetCouponById(userCoupon.CouponId)
	if coupon == nil {
		responses.OkWithData(nil, c)
		return
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	maps = make(map[string]interface{})
	maps["is_windows"] = 1
	_ = userCouponDao.EditUserCouponById(tx, userCoupon.UserCouponId, maps)

	tx.Commit()

	// 处理返回值
	g := dto.GetUserCouponDto(userCoupon)

	g.LoadCoupon(coupon)

	responses.OkWithData(g, c)
}

// GetUserUsableQuestionCoupon 获取患者可使用优惠卷-单项
func (b *UserCoupon) GetUserUsableQuestionCoupon(c *gin.Context) {
	userCouponRequest := requests.UserCouponRequest{}
	req := userCouponRequest.GetUserUsableQuestionCoupon
	if err := c.ShouldBind(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	userId := c.GetInt64("UserId")

	// 将 id 转换为 int64 类型
	questionId, err := strconv.ParseInt(req.QuestionId, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取患者可使用优惠卷-单项
	userCouponService := service.UserCouponService{}
	userCoupon, _ := userCouponService.GetUserUsableQuestionCoupon(userId, questionId, req.AmountTotal)

	responses.OkWithData(userCoupon, c)
}

// GetUserUsableMemberCoupon 获取患者可使用优惠卷-会员
func (b *UserCoupon) GetUserUsableMemberCoupon(c *gin.Context) {
	userCouponRequest := requests.UserCouponRequest{}
	req := userCouponRequest.GetUserUsableMemberCoupon
	if err := c.ShouldBind(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	userId := c.GetInt64("UserId")

	// 将 id 转换为 int64 类型
	systemMemberId, err := strconv.ParseInt(req.SystemMemberId, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取患者可使用优惠卷-会员
	userCouponService := service.UserCouponService{}
	userCoupon, _ := userCouponService.GetUserUsableMemberCoupon(userId, systemMemberId, req.AmountTotal)

	responses.OkWithData(userCoupon, c)
}

// PutUserCouponUnnotified 修改还未弹窗的优惠卷
func (b *UserCoupon) PutUserCouponUnnotified(c *gin.Context) {
	userId := c.GetInt64("UserId")

	// 获取数据
	userCouponDao := dao.UserCouponDao{}
	maps := make(map[string]interface{})
	maps["user_id"] = userId
	userCoupons, _ := userCouponDao.GetUserCouponList(maps)
	if len(userCoupons) <= 0 {
		responses.OkWithData(nil, c)
		return
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	for _, coupon := range userCoupons {
		maps = make(map[string]interface{})
		maps["is_windows"] = 1
		_ = userCouponDao.EditUserCouponById(tx, coupon.UserCouponId, maps)
	}

	tx.Commit()

	responses.Ok(c)
}