package controller

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

type Coupon struct{}

// GetSystemCouponPage 获取系统优惠卷列表-分页
func (r *Coupon) GetSystemCouponPage(c *gin.Context) {
	couponRequest := requests.CouponRequest{}
	req := couponRequest.GetSystemCouponPage
	if err := c.ShouldBindJSON(&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
	}

	couponDao := dao.CouponDao{}
	coupon, total, err := couponDao.GetCouponPageSearch(req, req.Page, req.PageSize)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 处理返回值
	GetProductPlatformPageResponses := dto.GetCouponListDto(coupon)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

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

// GetSystemCoupon 系统优惠卷详情
func (r *Coupon) GetSystemCoupon(c *gin.Context) {
	id := c.Param("coupon_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

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

	// 业务处理
	couponService := service.CouponService{}
	getSystemCouponResponses, err := couponService.GetSystemCoupon(couponId)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	responses.OkWithData(getSystemCouponResponses, c)
}

// AddSystemCoupon 新增系统优惠卷
func (r *Coupon) AddSystemCoupon(c *gin.Context) {
	couponRequest := requests.CouponRequest{}
	req := couponRequest.AddSystemCoupon
	if err := c.ShouldBindJSON(&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
	}

	// 业务处理
	couponService := service.CouponService{}
	_, err := couponService.AddSystemCoupon(req)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	responses.Ok(c)
}

// PutSystemCoupon 修改系统优惠卷
func (r *Coupon) PutSystemCoupon(c *gin.Context) {
	couponRequest := requests.CouponRequest{}
	req := couponRequest.PutSystemCoupon
	if err := c.ShouldBindJSON(&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
	}

	id := c.Param("coupon_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

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

	// 业务处理
	couponService := service.CouponService{}
	_, err = couponService.PutSystemCoupon(couponId, req)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	responses.Ok(c)
}

// PutSystemCouponStatus 修改系统优惠卷状态
func (r *Coupon) PutSystemCouponStatus(c *gin.Context) {
	couponRequest := requests.CouponRequest{}
	req := couponRequest.PutSystemCouponStatus
	if err := c.ShouldBindJSON(&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
	}

	id := c.Param("coupon_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

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

	// 业务处理
	couponService := service.CouponService{}
	_, err = couponService.PutSystemCouponStatus(couponId, req)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	responses.Ok(c)
}

// GetUserCouponPage 获取用户优惠卷列表-分页
func (r *Coupon) GetUserCouponPage(c *gin.Context) {
	couponRequest := requests.CouponRequest{}
	req := couponRequest.GetUserCouponPage
	if err := c.ShouldBindJSON(&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
	}

	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
	GetProductPlatformPageResponses := dto.GetUserCouponListDto(userCoupon)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

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

// GrantSystemCoupon 发放系统优惠卷
func (r *Coupon) GrantSystemCoupon(c *gin.Context) {
	couponRequest := requests.CouponRequest{}
	req := couponRequest.GrantSystemCoupon
	if err := c.ShouldBindJSON(&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
	}

	id := c.Param("coupon_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

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

	// 获取当前登陆用户id
	userId := c.GetInt64("UserId")
	if userId == 0 {
		responses.FailWithMessage("角色错误", c)
		return
	}

	// 业务处理
	couponService := service.CouponService{}
	_, err = couponService.GrantSystemCoupon(couponId, userId, req)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	responses.Ok(c)
}