package logic

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

	"context"

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

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

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

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

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

func (l *UserEmailConfirmationLogic) UserEmailConfirmation(req *types.RequestEmailConfirmation, 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

	token, err := l.svcCtx.TokenManger.Decrypt(req.Token)
	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeOAuthRegisterTokenErr)
	}

	switch token.OperateType {
	case auth.OpTypeRegister:
		if time.Since(token.CreateAt) >= 24*time.Hour {
			return resp.SetStatus(basic.CodeOAuthConfirmationTimeoutErr)
		}

		switch token.Platform {
		case "google":

			user, err := l.OpGoogleRegister(token)
			if err != nil {
				logx.Error(err)
				return resp.SetStatus(basic.CodeDbSqlErr)
			}

			jwtToken, err := auth.GenerateJwtTokenUint64(
				auth.StringToHash(*user.PasswordHash),
				l.svcCtx.Config.Auth.AccessExpire,
				time.Now().Unix(),
				user.Id,
				0,
			)

		case "facebook":
			l.OpGoogleRegister(token)
		}

	default:
		return resp.SetStatus(basic.CodeOAuthRegisterTokenErr)
	}

	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 *UserEmailConfirmationLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }

// OpGoogleRegister 谷歌平台的注册流程
func (l *UserEmailConfirmationLogic) OpGoogleRegister(token *auth.RegisterToken) (*gmodel.FsUser, error) {
	user := &gmodel.FsUser{}

	err := l.svcCtx.AllModels.FsUser.Transaction(context.TODO(), func(tx *gorm.DB) error {

		err := tx.Model(user).Where("email = ?", token.Email).Take(user).Error
		if err != nil {
			// 没有找到在数据库就创建注册
			if err == gorm.ErrRecordNotFound {
				createAt := time.Now().Unix()
				user.Email = &token.Email
				user.CreatedAt = &createAt
				user.GoogleId = &token.Id
				user.PasswordHash = &token.Password
				err = tx.Model(user).Create(user).Error
				if err != nil {
					return err
				}

				// 继承guest_id的资源表
				// tx.Table("fs_resources").Model()

				return nil
			}
			return err
		}

		user.GoogleId = &token.Id
		return tx.Model(user).Update("google_id", user).Error
	})

	if err != nil {
		return nil, err
	}
	return user, nil
}