package models

import (
	"time"

	"gorm.io/gorm"
)

// User 模型
type User struct {
	ID        uint   `gorm:"primaryKey"`
	Username  string `gorm:"uniqueIndex;size:255"`
	Password  string `gorm:"size:255"`
	Name      string `gorm:"size:255"`
	Email     string `gorm:"size:255"`
	Role      string `gorm:"size:50;default:'user'"`
	CreatedAt time.Time
	UpdatedAt time.Time
	DeletedAt gorm.DeletedAt `gorm:"index"`
	Serials   []Serial       `gorm:"foreignKey:CreatedBy"`
}

// Company 模型
type Company struct {
	ID          uint   `gorm:"primaryKey"`
	CompanyName string `gorm:"uniqueIndex;size:255"`
	IsActive    bool   `gorm:"default:true"`
	CreatedAt   time.Time
	UpdatedAt   time.Time
	DeletedAt   gorm.DeletedAt `gorm:"index"`
	Serials     []Serial       `gorm:"foreignKey:CompanyName;references:CompanyName"`
}

// Serial 模型
type Serial struct {
	ID           uint   `gorm:"primaryKey"`
	SerialNumber string `gorm:"uniqueIndex;size:255"`
	CompanyName  string `gorm:"index;size:255"`
	ValidUntil   *time.Time
	IsActive     bool `gorm:"default:true"`
	CreatedBy    *uint
	CreatedAt    time.Time
	UpdatedAt    time.Time
	DeletedAt    gorm.DeletedAt `gorm:"index"`
	User         *User          `gorm:"foreignKey:CreatedBy"`
	Company      *Company       `gorm:"foreignKey:CompanyName;references:CompanyName"`
}

// UserDTO 数据传输对象
type UserDTO struct {
	ID        uint      `json:"id"`
	Username  string    `json:"username"`
	Name      string    `json:"name"`
	Email     string    `json:"email"`
	Role      string    `json:"role"`
	CreatedAt time.Time `json:"createdAt"`
}

// LoginDTO 登录请求数据
type LoginDTO struct {
	Username string `json:"username" validate:"required"`
	Password string `json:"password" validate:"required,min=6"`
}

// ChangePasswordDTO 密码修改请求数据
type ChangePasswordDTO struct {
	CurrentPassword string `json:"currentPassword" validate:"required"`
	NewPassword     string `json:"newPassword" validate:"required,min=6"`
}

// UpdateProfileDTO 个人信息更新请求数据
type UpdateProfileDTO struct {
	Name  string `json:"name" validate:"required"`
	Email string `json:"email" validate:"required,email"`
}

// GenerateSerialDTO 生成序列号请求数据
type GenerateSerialDTO struct {
	CompanyName string `json:"companyName" validate:"required"`
	Quantity    int    `json:"quantity" validate:"min=1,max=1000"`
	ValidDays   int    `json:"validDays" validate:"min=1,max=3650"`
}

// GenerateWithPrefixDTO 带前缀生成序列号请求数据
type GenerateWithPrefixDTO struct {
	CompanyName  string `json:"companyName" validate:"required"`
	Quantity     int    `json:"quantity" validate:"min=1,max=1000"`
	ValidDays    int    `json:"validDays" validate:"min=1,max=3650"`
	SerialPrefix string `json:"serialPrefix" validate:"omitempty,alphanum"`
}

// UpdateSerialDTO 序列号更新请求数据
type UpdateSerialDTO struct {
	CompanyName string     `json:"companyName,omitempty" validate:"omitempty"`
	ValidUntil  *time.Time `json:"validUntil,omitempty"`
	IsActive    *bool      `json:"isActive,omitempty"`
}

// QRCodeDTO 二维码生成请求数据
type QRCodeDTO struct {
	BaseUrl string `json:"baseUrl,omitempty"`
}