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" json:"id"`
	CompanyName string         `gorm:"uniqueIndex;size:255" json:"companyName"`
	IsActive    bool           `gorm:"default:true" json:"isActive"`
	CreatedAt   time.Time      `json:"createdAt"`
	UpdatedAt   time.Time      `json:"updatedAt"`
	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
	Serials     []Serial       `gorm:"foreignKey:CompanyName;references:CompanyName" json:"-"`
}

// 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"`
}

// LoginResponse 登录响应
type LoginResponse struct {
	Message     string  `json:"message"`
	AccessToken string  `json:"accessToken"`
	User        UserDTO `json:"user"`
}

// BaseResponse 基础响应
type BaseResponse struct {
	Message string `json:"message"`
}

// ErrorResponse 错误响应
type ErrorResponse struct {
	Message string `json:"message"`
	Error   string `json:"error,omitempty"`
}

// DataResponse 数据响应
type DataResponse struct {
	Message string `json:"message"`
	Data    any    `json:"data"`
}

// PaginationResponse 分页响应
type PaginationResponse struct {
	Message    string     `json:"message"`
	Data       any        `json:"data"`
	Pagination Pagination `json:"pagination"`
}

// Pagination 分页信息
type Pagination struct {
	Page       int   `json:"page"`
	Limit      int   `json:"limit"`
	Total      int64 `json:"total"`
	TotalPages int   `json:"totalPages"`
}

// QRCodeResponse 二维码响应
type QRCodeResponse struct {
	Message    string `json:"message"`
	QRCodeData string `json:"qrCodeData"`
	QueryURL   string `json:"queryUrl"`
}

// CompanyResponse 企业响应
type CompanyResponse struct {
	Message string  `json:"message"`
	Company Company `json:"company"`
}

// CompanyDataRequest 企业数据请求
type CompanyDataRequest struct {
	CompanyName string `json:"companyName" validate:"required"`
}

// CompanyUpdateRequest 企业更新请求
type CompanyUpdateRequest struct {
	CompanyName string `json:"companyName"`
	IsActive    *bool  `json:"isActive"`
}

// EmployeeSerial 员工序列号模型
type EmployeeSerial struct {
	ID           uint           `gorm:"primaryKey" json:"id"`
	SerialNumber string         `gorm:"uniqueIndex;size:255" json:"serialNumber"`
	CompanyName  string         `gorm:"index;size:255" json:"companyName"`
	Department   string         `gorm:"size:255" json:"department"`
	EmployeeName string         `gorm:"size:255" json:"employeeName"`
	IsActive     bool           `gorm:"default:true" json:"isActive"`
	CreatedBy    *uint          `json:"createdBy"`
	CreatedAt    time.Time      `json:"createdAt"`
	UpdatedAt    time.Time      `json:"updatedAt"`
	DeletedAt    gorm.DeletedAt `gorm:"index" json:"-"`
	User         *User          `gorm:"foreignKey:CreatedBy" json:"user,omitempty"`
	Company      *Company       `gorm:"foreignKey:CompanyName;references:CompanyName" json:"company,omitempty"`
}

// GenerateEmployeeSerialDTO 生成员工序列号请求数据
type GenerateEmployeeSerialDTO struct {
	CompanyName  string `json:"companyName" validate:"required"`
	Department   string `json:"department" validate:"required"`
	EmployeeName string `json:"employeeName" validate:"required"`
	Quantity     int    `json:"quantity" validate:"min=1,max=1000"`
}

// UpdateEmployeeSerialDTO 员工序列号更新请求数据
type UpdateEmployeeSerialDTO struct {
	CompanyName  string `json:"companyName,omitempty" validate:"omitempty"`
	Department   string `json:"department,omitempty" validate:"omitempty"`
	EmployeeName string `json:"employeeName,omitempty" validate:"omitempty"`
	IsActive     *bool  `json:"isActive,omitempty"`
}