package statusz

import (
	"git.noahlan.cn/noahlan/ntool-biz/core/i18n"
	"git.noahlan.cn/noahlan/ntool-biz/core/nstatus"
	"git.noahlan.cn/noahlan/ntool-biz/core/nstatus/msg"
	"github.com/zeromicro/go-zero/rest/httpx"
	"net/http"
)

// ResponseHandler API执行结果处理，统一返回值类型与结构
func ResponseHandler(req *http.Request, w http.ResponseWriter, trans bool, resp any, err error) {
	if err == nil {
		r := nstatus.NewResultWithData(http.StatusOK, msg.Success, nstatus.CommonResult, resp)
		if trans {
			r.Msg = i18n.Trans(req.Context(), r.Msg)
		}
		httpx.WriteJson(w, http.StatusOK, r)
		return
	}

	result := nstatus.ConvertErr(err)
	if result == nil {
		// 不可能发生此情况，这里处理是以防万一
		result = nstatus.NewResult(http.StatusOK, msg.Success, nstatus.CommonResult)
	}
	result.Data = resp
	if trans {
		result.Msg = i18n.Trans(req.Context(), result.Msg)
	}

	var c int
	switch result.Type {
	case nstatus.ApiErr:
		// API错误，按照Result内的code返回，若code不是标准http错误，则按照500返回
		c = result.Code
		if c > http.StatusNetworkAuthenticationRequired || c < http.StatusContinue {
			c = http.StatusInternalServerError
		}
	case nstatus.BizErr:
		// 业务代码类型错误，统一状态码为500
		c = http.StatusInternalServerError
	case nstatus.RpcErr:
		// RPC错误，统一状态码为500
		c = http.StatusInternalServerError
	default:
		c = http.StatusInternalServerError
	}
	// 其它错误统一按照500返回
	httpx.WriteJson(w, c, result)
}