package radio

import (
	"context"
	"sundynix-go/global"
	"sundynix-go/model/radio"
	"sundynix-go/model/radio/request"
	"sundynix-go/model/system"
	"sundynix-go/utils/uniqueid"
	"sundynix-go/utils/wechat"

	"github.com/wechatpay-apiv3/wechatpay-go/core"
	"github.com/wechatpay-apiv3/wechatpay-go/services/payments/jsapi"
)

type VipService struct{}

func (s *VipService) UpdateVipConfig(req request.UpdateVipConfig) error {
	updateData := map[string]interface{}{
		"price":           req.Price,
		"discountedPrice": req.DiscountedPrice,
		"remark":          req.Remark,
	}
	err := global.DB.Model(&radio.Vip{}).Where("id = ?", req.Id).Updates(updateData).Error
	return err
}

func (s *VipService) VipConfigDetail() (radio.Vip, error) {
	var vip radio.Vip
	err := global.DB.Model(&radio.Vip{}).First(&vip).Error
	return vip, err
}

// VipVip 开通vip
func (s *VipService) VipVip(userId string) (*jsapi.PrepayWithRequestPaymentResponse, string, error) {
	//1.查询vip配置
	var config radio.Vip
	err := global.DB.Model(&radio.Vip{}).First(&config).Error
	if err != nil {
		return nil, "", err
	}
	//2.创建订单
	order := radio.Order{
		Type:             2, //很重要 1订阅 2开通vip
		UserId:           userId,
		OutTradeNo:       uniqueid.GenOrderNo(),
		SubscriptionType: "vip sub",
		Amount:           config.DiscountedPrice,
		Name:             "vip sub",
	}
	err = global.DB.Create(&order).Error
	if err != nil {
		return nil, "", err
	}
	//3.调用微信api 拉起支付
	var user system.User
	err = global.DB.Where("id = ?", userId).First(&user).Error
	if err != nil || user.OpenId == "" {
		return nil, "", err
	}
	payClient, err := wechat.GetWxPayClient()
	if err != nil {
		return nil, "", err
	}
	svc := jsapi.JsapiApiService{Client: payClient}
	result, _, err := svc.PrepayWithRequestPayment(context.Background(),
		jsapi.PrepayRequest{
			Appid:       core.String(global.Config.MiniProgram.AppId),
			Mchid:       core.String(global.Config.WechatPay.MchId),
			Description: core.String(order.Name),
			OutTradeNo:  core.String(order.OutTradeNo),
			//TimeExpire:    core.Time(time.Now()), //选填
			//Attach:        core.String("自定义数据说明"), //选填
			NotifyUrl: core.String(global.Config.WechatPay.NotifyUrl),
			//GoodsTag:      core.String("WXG"),  //选填
			//SupportFapiao: core.Bool(false),  //选填
			Amount: &jsapi.Amount{
				Currency: core.String("CNY"),
				Total:    core.Int64(int64(config.DiscountedPrice)),
			},
			Payer: &jsapi.Payer{
				Openid: core.String(user.OpenId),
			},
		})
	if err != nil {
		return nil, "", err
	}

	return result, order.OutTradeNo, nil
}