package models

import (
	"time"

	"gorm.io/gorm"
)

var tablePrefix = ""

// SetTablePrefix 设置表前缀（由 database 包调用）
func SetTablePrefix(prefix string) {
	tablePrefix = prefix
}

// User 用户模型
type User struct {
	ID        uint           `gorm:"primarykey" json:"id"`
	CreatedAt time.Time      `json:"created_at"`
	UpdatedAt time.Time      `json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`

	Username string `gorm:"uniqueIndex;not null;size:50" json:"username"`
	Email    string `gorm:"uniqueIndex;not null;size:100" json:"email"`
	Password string `gorm:"not null;size:255" json:"-"` // 不返回密码
	IsAdmin  bool   `gorm:"default:false" json:"is_admin"`
	IsActive bool   `gorm:"default:true" json:"is_active"`
}

// TableName 指定表名（支持前缀）
func (u User) TableName() string {
	if tablePrefix != "" {
		return tablePrefix + "users"
	}
	return "users"
}