backend/internal/types/common.go

package types

import "time"

// BaseResponse 基础响应结构
type BaseResponse struct {
	Code    int         `json:"code"`
	Message string      `json:"message"`
	Data    interface{} `json:"data,omitempty"`
}

// PaginationRequest 分页请求
type PaginationRequest struct {
	Page     int `json:"page" form:"page" binding:"omitempty,min=1"`
	PageSize int `json:"page_size" form:"page_size" binding:"omitempty,min=1,max=100"`
}

// PaginationResponse 分页响应
type PaginationResponse struct {
	List       interface{} `json:"list"`
	Total      int64       `json:"total"`
	Page       int         `json:"page"`
	PageSize   int         `json:"page_size"`
	TotalPages int         `json:"total_pages"`
}

// LoginRequest 登录请求
type LoginRequest struct {
	Username string `json:"username" binding:"required" example:"testuser"` // 支持用户名或邮箱
	Password string `json:"password" binding:"required,min=6,max=128" example:"password123"`
}

// RegisterRequest 注册请求
type RegisterRequest struct {
	Username         string `json:"username" binding:"required,min=3,max=50" example:"newuser"`
	Email            string `json:"email" binding:"required,email" example:"user@example.com"`
	Password         string `json:"password" binding:"required,min=6,max=128" example:"password123"`
	VerificationCode string `json:"verification_code" binding:"required,len=6" example:"123456"` // 邮箱验证码
	Avatar           string `json:"avatar" binding:"omitempty,url" example:"https://rustfs.example.com/avatars/user_1/avatar.png"` // 可选，用户自定义头像
}

// UpdateUserRequest 更新用户请求
type UpdateUserRequest struct {
	Avatar      string `json:"avatar" binding:"omitempty,url" example:"https://example.com/new-avatar.png"`
	OldPassword string `json:"old_password" binding:"omitempty,min=6,max=128" example:"oldpassword123"` // 修改密码时必需
	NewPassword string `json:"new_password" binding:"omitempty,min=6,max=128" example:"newpassword123"` // 新密码
}

// SendVerificationCodeRequest 发送验证码请求
type SendVerificationCodeRequest struct {
	Email string `json:"email" binding:"required,email" example:"user@example.com"`
	Type  string `json:"type" binding:"required,oneof=register reset_password change_email" example:"register"` // 类型: register/reset_password/change_email
}

// ResetPasswordRequest 重置密码请求
type ResetPasswordRequest struct {
	Email            string `json:"email" binding:"required,email" example:"user@example.com"`
	VerificationCode string `json:"verification_code" binding:"required,len=6" example:"123456"`
	NewPassword      string `json:"new_password" binding:"required,min=6,max=128" example:"newpassword123"`
}

// ChangeEmailRequest 更换邮箱请求
type ChangeEmailRequest struct {
	NewEmail         string `json:"new_email" binding:"required,email" example:"newemail@example.com"`
	VerificationCode string `json:"verification_code" binding:"required,len=6" example:"123456"`
}

// GenerateAvatarUploadURLRequest 生成头像上传URL请求
type GenerateAvatarUploadURLRequest struct {
	FileName string `json:"file_name" binding:"required" example:"avatar.png"`
}

// GenerateAvatarUploadURLResponse 生成头像上传URL响应
type GenerateAvatarUploadURLResponse struct {
	PostURL   string            `json:"post_url" example:"https://rustfs.example.com/avatars"`
	FormData  map[string]string `json:"form_data"`
	AvatarURL string            `json:"avatar_url" example:"https://rustfs.example.com/avatars/user_1/xxx.png"`
	ExpiresIn int               `json:"expires_in" example:"900"` // 秒
}

// CreateProfileRequest 创建档案请求
type CreateProfileRequest struct {
	Name string `json:"name" binding:"required,min=1,max=16" example:"PlayerName"`
}

// UpdateTextureRequest 更新材质请求
type UpdateTextureRequest struct {
	Name        string `json:"name" binding:"omitempty,min=1,max=100" example:"My Skin"`
	Description string `json:"description" binding:"omitempty,max=500" example:"A cool skin"`
	IsPublic    *bool  `json:"is_public" example:"true"`
}

// GenerateTextureUploadURLRequest 生成材质上传URL请求
type GenerateTextureUploadURLRequest struct {
	FileName    string      `json:"file_name" binding:"required" example:"skin.png"`
	TextureType TextureType `json:"texture_type" binding:"required,oneof=SKIN CAPE" example:"SKIN"`
}

// GenerateTextureUploadURLResponse 生成材质上传URL响应
type GenerateTextureUploadURLResponse struct {
	PostURL    string            `json:"post_url" example:"https://rustfs.example.com/textures"`
	FormData   map[string]string `json:"form_data"`
	TextureURL string            `json:"texture_url" example:"https://rustfs.example.com/textures/user_1/skin/xxx.png"`
	ExpiresIn  int               `json:"expires_in" example:"900"` // 秒
}

// LoginResponse 登录响应
type LoginResponse struct {
	Token    string    `json:"token"`
	UserInfo *UserInfo `json:"user_info"`
}

// UserInfo 用户信息
type UserInfo struct {
	ID          int64      `json:"id" example:"1"`
	Username    string     `json:"username" example:"testuser"`
	Email       string     `json:"email" example:"test@example.com"`
	Avatar      string     `json:"avatar" example:"https://example.com/avatar.png"`
	Points      int        `json:"points" example:"100"`
	Role        string     `json:"role" example:"user"`
	Status      int16      `json:"status" example:"1"`
	LastLoginAt *time.Time `json:"last_login_at,omitempty" example:"2025-10-01T12:00:00Z"`
	CreatedAt   time.Time  `json:"created_at" example:"2025-10-01T10:00:00Z"`
	UpdatedAt   time.Time  `json:"updated_at" example:"2025-10-01T10:00:00Z"`
}

// TextureType 材质类型
type TextureType string

const (
	TextureTypeSkin TextureType = "SKIN"
	TextureTypeCape TextureType = "CAPE"
)

// TextureInfo 材质信息
type TextureInfo struct {
	ID            int64       `json:"id" example:"1"`
	UploaderID    int64       `json:"uploader_id" example:"1"`
	Name          string      `json:"name" example:"My Skin"`
	Description   string      `json:"description,omitempty" example:"A cool skin"`
	Type          TextureType `json:"type" example:"SKIN"`
	URL           string      `json:"url" example:"https://rustfs.example.com/textures/xxx.png"`
	Hash          string      `json:"hash" example:"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"`
	Size          int         `json:"size" example:"2048"`
	IsPublic      bool        `json:"is_public" example:"true"`
	DownloadCount int         `json:"download_count" example:"100"`
	FavoriteCount int         `json:"favorite_count" example:"50"`
	IsSlim        bool        `json:"is_slim" example:"false"`
	Status        int16       `json:"status" example:"1"`
	CreatedAt     time.Time   `json:"created_at" example:"2025-10-01T10:00:00Z"`
	UpdatedAt     time.Time   `json:"updated_at" example:"2025-10-01T10:00:00Z"`
}

// ProfileInfo 角色信息
type ProfileInfo struct {
	UUID       string     `json:"uuid" example:"550e8400-e29b-41d4-a716-446655440000"`
	UserID     int64      `json:"user_id" example:"1"`
	Name       string     `json:"name" example:"PlayerName"`
	SkinID     *int64     `json:"skin_id,omitempty" example:"1"`
	CapeID     *int64     `json:"cape_id,omitempty" example:"2"`
	IsActive   bool       `json:"is_active" example:"true"`
	LastUsedAt *time.Time `json:"last_used_at,omitempty" example:"2025-10-01T12:00:00Z"`
	CreatedAt  time.Time  `json:"created_at" example:"2025-10-01T10:00:00Z"`
	UpdatedAt  time.Time  `json:"updated_at" example:"2025-10-01T10:00:00Z"`
}

// UploadURLRequest 上传URL请求
type UploadURLRequest struct {
	Type     TextureType `json:"type" binding:"required,oneof=SKIN CAPE"`
	Filename string      `json:"filename" binding:"required"`
}

// UploadURLResponse 上传URL响应
type UploadURLResponse struct {
	PostURL   string            `json:"post_url"`
	FormData  map[string]string `json:"form_data"`
	FileURL   string            `json:"file_url"`
	ExpiresIn int               `json:"expires_in"`
}

// CreateTextureRequest 创建材质请求
type CreateTextureRequest struct {
	Name        string      `json:"name" binding:"required,min=1,max=100" example:"My Cool Skin"`
	Description string      `json:"description" binding:"max=500" example:"A very cool skin"`
	Type        TextureType `json:"type" binding:"required,oneof=SKIN CAPE" example:"SKIN"`
	URL         string      `json:"url" binding:"required,url" example:"https://rustfs.example.com/textures/user_1/skin/xxx.png"`
	Hash        string      `json:"hash" binding:"required,len=64" example:"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"`
	Size        int         `json:"size" binding:"required,min=1" example:"2048"`
	IsPublic    bool        `json:"is_public" example:"true"`
	IsSlim      bool        `json:"is_slim" example:"false"` // Alex模型(细臂)为true，Steve模型(粗臂)为false
}

// SearchTextureRequest 搜索材质请求
type SearchTextureRequest struct {
	PaginationRequest
	Keyword    string      `json:"keyword" form:"keyword"`
	Type       TextureType `json:"type" form:"type" binding:"omitempty,oneof=SKIN CAPE"`
	PublicOnly bool        `json:"public_only" form:"public_only"`
}

// UpdateProfileRequest 更新角色请求
type UpdateProfileRequest struct {
	Name   string `json:"name" binding:"omitempty,min=1,max=16" example:"NewPlayerName"`
	SkinID *int64 `json:"skin_id,omitempty" example:"1"`
	CapeID *int64 `json:"cape_id,omitempty" example:"2"`
}

// SystemConfigResponse 基础系统配置响应
type SystemConfigResponse struct {
	SiteName            string `json:"site_name" example:"CarrotSkin"`
	SiteDescription     string `json:"site_description" example:"A Minecraft Skin Station"`
	RegistrationEnabled bool   `json:"registration_enabled" example:"true"`
	MaxTexturesPerUser  int    `json:"max_textures_per_user" example:"100"`
	MaxProfilesPerUser  int    `json:"max_profiles_per_user" example:"5"`
}