package repo

import (
	"admin/apps/user/model"
	"admin/lib/tokenlib"
	"errors"
	"gorm.io/gorm"
	"time"
)

type ITokenRepo interface {
	GetToken(token string) (*model.Token, bool, error)
	GetTokenByUserId(userId int) (*model.Token, bool, error)
	CreateToken(userId int, dura time.Duration) (*model.Token, error)
	DeleteToken(token string) error
	DeleteTokenByUserId(userId int) error
}

func NewTokenRepo(db *gorm.DB) ITokenRepo {
	return &tokenRepoImpl{db: db}
}

type tokenRepoImpl struct {
	db *gorm.DB
}

func (impl *tokenRepoImpl) GetToken(token string) (*model.Token, bool, error) {
	info := &model.Token{}
	err := impl.db.Where("token = ?", token).First(info).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return info, false, nil
		}
		return nil, false, err
	}
	return info, true, nil
}

func (impl *tokenRepoImpl) GetTokenByUserId(userId int) (*model.Token, bool, error) {
	info := &model.Token{}
	err := impl.db.Where("user_id = ?", userId).First(info).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return info, false, nil
		}
		return nil, false, err
	}
	return info, true, nil
}

func (impl *tokenRepoImpl) CreateToken(userId int, dura time.Duration) (*model.Token, error) {
	tokenStr, err := tokenlib.GenToken(userId, dura)
	if err != nil {
		return nil, err
	}
	po := &model.Token{
		Token:    tokenStr,
		UserId:   userId,
		ExpireAt: time.Now().Add(dura),
	}
	err = impl.db.Create(po).Error
	return po, err
}

func (impl *tokenRepoImpl) DeleteToken(token string) error {
	return impl.db.Where("token = ?", token).Unscoped().Delete(new(model.Token)).Error
}

func (impl *tokenRepoImpl) DeleteTokenByUserId(userId int) error {
	return impl.db.Where("user_id = ?", userId).Unscoped().Delete(new(model.Token)).Error
}