package rpcserver

import (
	"context"
	"github.com/pkg/errors"
	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
	"live-service/common/nerr"
)

// LoggerInterceptor grpc logger拦截器
// see github.com\zeromicro\go-zero\zrpc\server.go#AddUnaryInterceptors
// see google.golang.org\grpc\interceptor.go
func LoggerInterceptor(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
	resp, err = handler(ctx, req)
	if err != nil {
		// 解析自定义err类型，给予友好提示
		cause := errors.Cause(err)
		if e, ok := cause.(*nerr.Error); ok {
			logx.WithContext(ctx).Errorf("[RPC-SRV-ERROR] %+v", err)
			// 转换err
			err = status.Error(codes.Code(e.Code), e.Msg)
		} else {
			logx.WithContext(ctx).Errorf("[RPC-SRV-ERROR] %+v", err)
		}
	}
	return
}