package logic

import (
	"fmt"
	"fusenapi/model/gmodel"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"fusenapi/utils/wevent"
	"time"

	"context"

	"fusenapi/server/auth/internal/svc"
	"fusenapi/server/auth/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
	"gorm.io/gorm"
)

type UserResetPasswordLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewUserResetPasswordLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UserResetPasswordLogic {
	return &UserResetPasswordLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

// 处理进入前逻辑w,r
// func (l *UserResetPasswordLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }

func (l *UserResetPasswordLogic) UserResetPassword(req *types.RequestUserResetPassword, userinfo *auth.UserInfo) (resp *basic.Response) {
	// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
	// userinfo 传入值时, 一定不为null

	rt, err := l.svcCtx.ResetTokenManger.Decrypt(req.ResetToken) // ResetToken
	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeOAuthResetTokenDecryptErr, err.Error())
	}

	// TODO: 存储
	if rt.OperateType != auth.OpTypeResetToken {
		return resp.SetStatus(basic.CodeOAuthTypeErr, "error OperateType: rt.OperateType != auth.OpTypeResetToken")
	}

	if time.Since(rt.CreateAt) > 30*time.Minute {
		return resp.SetStatusWithMessage(basic.CodeOAuthConfirmationTimeoutErr, "verification links expire after 30 minute.")
	}

	err = l.svcCtx.AllModels.FsUser.Transaction(l.ctx, func(tx *gorm.DB) error {
		user := &gmodel.FsUser{}
		err := tx.Where("id = ?", rt.UserId).Take(user).Error
		if err != nil {
			logx.Error(err)
			return err
		}

		if *user.PasswordHash != rt.OldPassword {
			return fmt.Errorf("password had been reset")
		}

		if *user.PasswordHash == req.NewPassword {
			return fmt.Errorf("the password is the same as the old one. it needs to be changed")
		}

		return tx.Where("id = ?", rt.UserId).Update("PasswordHash", req.NewPassword).Error
	})

	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, err.Error())
	}

	event := wevent.NewWebsocketEventSuccess(wevent.UserResetToken, rt.TraceId)
	err = wevent.CommonNotify(l.svcCtx.Config.WebsocketAddr, rt.Wid, event)
	if err != nil {
		logx.Error(err, rt.TraceId)
		return resp.SetStatusWithMessage(basic.CodeResetPasswordErr, err.Error())
	}

	// token := &auth.ResetToken{
	// 	// 操作的类型, 验证的token 必须要继承这个
	// 	OperateType: auth.OpTypeResetToken,
	// 	UserId:      userinfo.UserId,
	// 	Wid:         rt.Wid,
	// 	Email:       rt.Email,
	// 	OldPassword: *user.PasswordHash,
	// 	TraceId:     uuid.NewString(),
	// 	CreateAt:    time.Now().UTC(),
	// }

	// clurl, err := l.svcCtx.ResetTokenManger.Encrypt(token)
	// if err != nil {
	// 	logx.Error(err)
	// 	return resp.SetStatus(basic.CodeOAuthResetTokenEncryptErr, err.Error())
	// }

	// userName := *user.FirstName + " " + *user.LastName
	// // 进入发送邮箱的系统
	// EmailManager.EmailTasks <- &EmailFormat{
	// 	TemplateName:     "reset_password.tpl",
	// 	UniqueKey:        "register-" + req.Email,
	// 	TargetEmail:      req.Email,
	// 	CompanyName:      "fusen",
	// 	ConfirmationLink: clurl,
	// 	SenderName:       "support@fusenpack.com",
	// 	SenderTitle:      "register-valid",
	// 	Extend: map[string]string{
	// 		"UserName": userName,
	// 	},
	// } // email进入队

	return resp.SetStatus(basic.CodeOK)

	// if !userinfo.IsUser() {
	// 	return resp.SetStatus(basic.CodeUnAuth)
	// }

	// rt, err := l.svcCtx.ResetTokenManger.Decrypt(req.ResetToken)
	// if err != nil {
	// 	logx.Error(err)
	// 	return resp.SetStatus(basic.CodeOAuthResetTokenDecryptErr, err.Error())
	// }

	// // TODO: 存储
	// if rt.OperateType != auth.OpTypeResetToken {
	// 	return resp.SetStatus(basic.CodeOAuthTypeErr, "error OperateType: rt.OperateType != auth.OpTypeResetToken")
	// }

	// err = l.svcCtx.AllModels.FsUser.Transaction(l.ctx, func(tx *gorm.DB) error {
	// 	user := &gmodel.FsUser{Id: int64(rt.UserId)}
	// 	err := tx.Take(user).Error
	// 	if err != nil {
	// 		return err
	// 	}
	// 	if *user.PasswordHash != rt.OldPassword {
	// 		return fmt.Errorf("password had beed updated")
	// 	}
	// 	return tx.Update("PasswordHash", req.Password).Error
	// })

	// if err != nil {
	// 	return resp.SetStatus(basic.CodeDbSqlErr, err.Error())
	// }

	// return resp.SetStatus(basic.CodeOK)
}

// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *UserResetPasswordLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }