package db

import (
	"log"

	"gorm.io/gorm/clause"
)

type Verification struct {
	ID         uint   `gorm:"primaryKey"`
	Token      string `gorm:"index"`
	Identifier string
	ExpiresAt  int64
	CreatedAt  int64  `gorm:"autoCreateTime"`
	UpdatedAt  int64  `gorm:"autoUpdateTime"`
	Email      string `gorm:"unique"`
}

// AddVerification function to add verification record
func (mgr *manager) AddVerification(verification Verification) (Verification, error) {
	result := mgr.db.Clauses(clause.OnConflict{
		Columns:   []clause.Column{{Name: "email"}},
		DoUpdates: clause.AssignmentColumns([]string{"token", "identifier", "expires_at"}),
	}).Create(&verification)
	if result.Error != nil {
		log.Println(`Error saving verification record`, result.Error)
		return verification, result.Error
	}
	return verification, nil
}

func (mgr *manager) GetVerificationByToken(token string) (Verification, error) {
	var verification Verification
	result := mgr.db.Where("token = ?", token).First(&verification)

	if result.Error != nil {
		log.Println(`Error getting verification token:`, result.Error)
		return verification, result.Error
	}

	return verification, nil
}

func (mgr *manager) DeleteToken(email string) error {
	var verification Verification
	result := mgr.db.Where("email = ?", email).Delete(&verification)

	if result.Error != nil {
		log.Println(`Error deleting token:`, result.Error)
		return result.Error
	}

	return nil
}