package models

import (
	"time"

	"gorm.io/gorm"
)

// User 用户模型
type User struct {
	ID           uint   `json:"id" gorm:"primaryKey;column:id"`
	Username     string `json:"username" gorm:"column:username;uniqueIndex;not null"`
	Email        string `json:"email" gorm:"column:email"`
	Password     string `json:"password,omitempty" gorm:"-"` // Virtual field for input
	PasswordHash string `json:"-" gorm:"column:password_hash"`
	RoleID       uint   `json:"roleId" gorm:"column:role_id"`
	Role         string `json:"role" gorm:"column:role"` // 保持兼容，或者作为Role Name
	IsActive     int    `json:"isActive" gorm:"column:is_active;default:1"`
	CreatedAt    int64  `json:"createdAt" gorm:"column:created_at"`
	UpdatedAt    int64  `json:"updatedAt" gorm:"column:updated_at"`
	DeletedAt    int64  `json:"deletedAt" gorm:"column:deleted_at;default:0"`
}

// TableName 指定表名
func (User) TableName() string {
	return "users"
}

// BeforeCreate 创建前钩子
func (u *User) BeforeCreate(tx *gorm.DB) error {
	now := time.Now().Unix()
	if u.CreatedAt == 0 {
		u.CreatedAt = now
	}
	if u.UpdatedAt == 0 {
		u.UpdatedAt = now
	}
	if u.DeletedAt == 0 {
		u.DeletedAt = 0
	}
	return nil
}

// BeforeUpdate 更新前钩子
func (u *User) BeforeUpdate(tx *gorm.DB) error {
	u.UpdatedAt = time.Now().Unix()
	return nil
}

// UserResponse 用户响应模型
type UserResponse struct {
	ID        uint   `json:"id"`
	Username  string `json:"username"`
	Email     string `json:"email"`
	RoleID    uint   `json:"roleId"`
	Role      string `json:"role"`
	IsActive  int    `json:"isActive"`
	CreatedAt string `json:"createdAt"`
	UpdatedAt string `json:"updatedAt"`
}

// LoginRequest 登录请求模型
type LoginRequest struct {
	Username string `json:"username" binding:"required"`
	Password string `json:"password" binding:"required"`
}

// LoginResponse 登录响应模型
type LoginResponse struct {
	Token  string       `json:"token"`
	User   UserResponse `json:"user"`
	Expire int64        `json:"expire"`
}