package models

// Response 统一响应结构
type Response struct {
	Code    int         `json:"code"`
	Message string      `json:"message"`
	Data    interface{} `json:"data,omitempty"`
}

// PageResponse 分页响应结构
type PageResponse struct {
	Code    int         `json:"code"`
	Message string      `json:"message"`
	Data    interface{} `json:"data,omitempty"`
	Total   int64       `json:"total"`
	Page    int         `json:"page"`
	Size    int         `json:"size"`
}

// LoginResponse 登录响应
type LoginResponse struct {
	Token    string `json:"token"`
	User     User   `json:"user"`
	ExpireAt int64  `json:"expireAt"`
}

// UserListResponse 用户列表响应
type UserListResponse struct {
	Users []User `json:"users"`
	Total int64  `json:"total"`
}

// PageTreeResponse 页面树响应
type PageTreeResponse struct {
	Pages []Page `json:"pages"`
}

// SystemConfigResponse 系统配置响应
type SystemConfigResponse struct {
	Configs []SystemConfig `json:"configs"`
}

// 响应码常量
const (
	CodeSuccess      = 200
	CodeError        = 500
	CodeInvalid      = 400
	CodeUnauthorized = 401
	CodeForbidden    = 403
	CodeNotFound     = 404
)

// 响应消息常量
const (
	MsgSuccess      = "操作成功"
	MsgError        = "操作失败"
	MsgInvalid      = "参数错误"
	MsgUnauthorized = "未授权"
	MsgForbidden    = "禁止访问"
	MsgNotFound     = "资源不存在"
)

// NewResponse 创建响应
func NewResponse(code int, message string, data interface{}) *Response {
	return &Response{
		Code:    code,
		Message: message,
		Data:    data,
	}
}

// NewSuccessResponse 创建成功响应
func NewSuccessResponse(data interface{}) *Response {
	return &Response{
		Code:    CodeSuccess,
		Message: MsgSuccess,
		Data:    data,
	}
}

// NewErrorResponse 创建错误响应
func NewErrorResponse(message string) *Response {
	return &Response{
		Code:    CodeError,
		Message: message,
	}
}

// NewPageResponse 创建分页响应
func NewPageResponse(data interface{}, total int64, page, size int) *PageResponse {
	return &PageResponse{
		Code:    CodeSuccess,
		Message: MsgSuccess,
		Data:    data,
		Total:   total,
		Page:    page,
		Size:    size,
	}
}