package serializer

import (
	"fmt"
	"net/http"

	"github.com/gin-gonic/gin"
)

// Response 基础序列化器
type Response struct {
	Code  int    `json:"code"`
	Data  any    `json:"data,omitempty"`
	Msg   string `json:"msg"`
	Error string `json:"error,omitempty"`
}

// TrackedErrorResponse 有追踪信息的错误响应
type TrackedErrorResponse struct {
	Response
	TrackID string `json:"track_id"`
}

const (
	CodeCheckLogin   = 401
	CodeNoRightErr   = 403
	CodeDBError      = 50001
	CodeEncryptError = 50002
	CodeParamErr     = 40001
)

// CheckLogin 检查登录
func CheckLogin() Response {
	return Err(CodeCheckLogin, "未登录", nil)
}

// Err 通用错误处理
func Err(errCode int, msg string, err error) Response {
	if msg == "" {
		msg = "未知错误"
	}
	res := Response{
		Code: errCode,
		Msg:  msg,
	}
	if err != nil && gin.Mode() != gin.ReleaseMode {
		res.Error = fmt.Sprintf("%+v", err)
	}
	return res
}

// DBErr 数据库操作失败
func DBErr(msg string, err error) Response {
	if msg == "" {
		msg = "数据库操作失败"
	}
	return Err(CodeDBError, msg, err)
}

// ParamErr 各种参数错误
func ParamErr(msg string, err error) Response {
	if msg == "" {
		msg = "参数错误"
	}
	return Err(CodeParamErr, msg, err)
}

// Succ 返回结果
func Succ(msg string, data any) Response {
	if msg == "" {
		msg = "操作成功!"
	}
	return Response{
		Code: http.StatusOK,
		Msg:  msg,
		Data: data,
	}
}