package models

import (
	"time"
)

// User represents the user account model
type User struct {
	ID           string    `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
	Username     string    `gorm:"uniqueIndex;not null;size:50" json:"username"`
	Email        *string   `gorm:"uniqueIndex;size:100" json:"email,omitempty"`
	PhoneNumber  *string   `gorm:"uniqueIndex;size:20" json:"phoneNumber,omitempty"`
	PasswordHash string    `gorm:"column:password_hash;not null" json:"-"`
	AvatarURL    *string   `gorm:"size:500" json:"avatarURL,omitempty"`
	RegisteredAt time.Time `gorm:"autoCreateTime" json:"registeredAt"`
	UpdatedAt    time.Time `gorm:"autoUpdateTime" json:"updatedAt"`
}

// RegisterRequest DTO
type RegisterRequest struct {
	Username   string `json:"username" binding:"required,min=2"`
	Identifier string `json:"identifier" binding:"required"` // email or phone
	Password   string `json:"password" binding:"required,min=6"`
}

// LoginRequest DTO
type LoginRequest struct {
	Identifier string `json:"identifier" binding:"required"`
	Password   string `json:"password" binding:"required"`
}

// UpdateProfileRequest DTO
type UpdateProfileRequest struct {
	Username    *string `json:"username,omitempty"`
	Email       *string `json:"email,omitempty"`
	PhoneNumber *string `json:"phoneNumber,omitempty"`
	AvatarURL   *string `json:"avatarURL,omitempty"`
}

// ChangePasswordRequest DTO
type ChangePasswordRequest struct {
	OldPassword string `json:"oldPassword" binding:"required"`
	NewPassword string `json:"newPassword" binding:"required,min=6"`
}

// AuthResponse DTO
type AuthResponse struct {
	User  User   `json:"user"`
	Token string `json:"token"`
}

// ErrorResponse DTO
type ErrorResponse struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
}