// models/user.go
package models

import (
	"time"

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

type User struct {
	ID         uint           `json:"id" gorm:"primaryKey"`
	Email      string         `json:"email" gorm:"uniqueIndex;not null"`
	Password   string         `json:"-" gorm:"not null"`
	FirstName  string         `json:"first_name" gorm:"not null"`
	LastName   string         `json:"last_name" gorm:"not null"`
	Phone      string         `json:"phone"`
	Experience string         `json:"experience"`
	Goals      string         `json:"goals"`
	Newsletter bool           `json:"newsletter"`
	Role       string         `json:"role" gorm:"default:user"`
	CreatedAt  time.Time      `json:"created_at"`
	UpdatedAt  time.Time      `json:"updated_at"`
	DeletedAt  gorm.DeletedAt `json:"-" gorm:"index"`
}

type UserUpdate struct {
    ID         uint      `json:"id"`
    FirstName  string    `json:"first_name"`
    LastName   string    `json:"last_name"`
    Phone      string    `json:"phone"`
    Experience string    `json:"experience"`
    Goals      string    `json:"goals"`
    Newsletter bool      `json:"newsletter"`
    UpdatedAt  time.Time `json:"updated_at"`
}

// HashPassword хеширует пароль перед сохранением
func (u *User) HashPassword() error {
	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(u.Password), bcrypt.DefaultCost)
	if err != nil {
		return err
	}
	u.Password = string(hashedPassword)
	return nil
}

// CheckPassword проверяет пароль
func (u *User) CheckPassword(password string) bool {
	err := bcrypt.CompareHashAndPassword([]byte(u.Password), []byte(password))
	return err == nil
}

// BeforeCreate hook для GORM
func (u *User) BeforeCreate(tx *gorm.DB) error {
	if u.CreatedAt.IsZero() {
		u.CreatedAt = time.Now()
	}
	if u.UpdatedAt.IsZero() {
		u.UpdatedAt = time.Now()
	}
	return u.HashPassword()
}

// BeforeUpdate hook для GORM
func (u *User) BeforeUpdate(tx *gorm.DB) error {
	u.UpdatedAt = time.Now()
	return nil
}