package db

import (
	"log"

	"golang.org/x/crypto/bcrypt"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

type User struct {
	ID              uint `gorm:"primaryKey"`
	FirstName       string
	LastName        string
	Email           string `gorm:"unique"`
	Password        string
	SignupMethod    string
	EmailVerifiedAt int64
	CreatedAt       int64 `gorm:"autoCreateTime"`
	UpdatedAt       int64 `gorm:"autoUpdateTime"`
}

func (user *User) BeforeSave(tx *gorm.DB) error {
	// Modify current operation through tx.Statement, e.g:
	if pw, err := bcrypt.GenerateFromPassword([]byte(user.Password), 0); err == nil {
		tx.Statement.SetColumn("Password", pw)
	}

	return nil
}

// AddUser function to add user
func (mgr *manager) AddUser(user User) (User, error) {
	result := mgr.db.Clauses(clause.OnConflict{DoNothing: true}).Create(&user)
	if result.Error != nil {
		log.Println(result.Error)
		return user, result.Error
	}
	return user, nil
}

// GetUsers function to get all users
func (mgr *manager) GetUsers() ([]User, error) {
	var users []User
	result := mgr.db.Find(&users)
	if result.Error != nil {
		log.Println(result.Error)
		return users, result.Error
	}
	return users, nil
}

func (mgr *manager) GetUserByEmail(email string) (User, error) {
	var user User
	result := mgr.db.Where("email = ?", email).First(&user)

	if result.Error != nil {
		return user, result.Error
	}

	return user, nil
}