package auth

import (
	"time"
)

type User struct {
	ID           string    `json:"id"`
	Username     string    `json:"username"`
	Email        string    `json:"email"`
	PasswordHash string    `json:"-"`
	CreatedAt    time.Time `json:"created_at"`
}

type RegisterRequest struct {
	Username string `json:"username" binding:"required,min=3,max=30" example:"john"`
	Email    string `json:"email" binding:"required,email" example:"john@example.com"`
	Password string `json:"password" binding:"required,min=8" example:"Secret123!"`
}

type LoginRequest struct {
	Email    string `json:"email" binding:"required,email" example:"john@example.com"`
	Password string `json:"password" binding:"required" example:"secret123"`
}

type AuthResponse struct {
	Token        string     `json:"token" example:"eyJhbGciOiJIUzI1NiIs..."`
	RefreshToken string     `json:"refresh_token" example:"dGhpcyBpcyBhIHJlZnJlc2ggdG9rZW4="`
	User         UserPublic `json:"user"`
}

type RefreshRequest struct {
	RefreshToken string `json:"refresh_token" binding:"required" example:"dGhpcyBpcyBhIHJlZnJlc2ggdG9rZW4="`
}

type LogoutRequest struct {
	RefreshToken string `json:"refresh_token" binding:"required" example:"dGhpcyBpcyBhIHJlZnJlc2ggdG9rZW4="`
}

type RefreshTokenDoc struct {
	ID        string    `json:"id"`
	UserID    string    `json:"user_id"`
	TokenHash string    `json:"token_hash"`
	ExpiresAt time.Time `json:"expires_at"`
	CreatedAt time.Time `json:"created_at"`
}

type UserPublic struct {
	ID        string    `json:"id"`
	Username  string    `json:"username"`
	Email     string    `json:"email"`
	CreatedAt time.Time `json:"created_at"`
}

func NewUserPublic(u *User) UserPublic {
	return UserPublic{
		ID:        u.ID,
		Username:  u.Username,
		Email:     u.Email,
		CreatedAt: u.CreatedAt,
	}
}

type UserResponse struct {
	User UserPublic `json:"user"`
}

type PasswordChangeRequest struct {
	OldPassword string `json:"old_password" binding:"required" example:"Secret123!"`
	NewPassword string `json:"new_password" binding:"required,min=8" example:"NewSecret456!"`
}

type UpdateProfileRequest struct {
	Username string `json:"username" binding:"required,min=3,max=30" example:"john_updated"`
}

type ErrorResponse struct {
	Error string `json:"error" example:"invalid email or password"`
}