// revive:disable:var-naming

// Package grpc_errcode provides a middleware to convert an errcode error to a GRPC error
package grpc_errcode

// revive:enable:var-naming

import (
	"context"

	"github.com/golang/protobuf/proto"
	"github.com/pingcap/errcode"
	grpcerr "github.com/pingcap/errcode/grpc"
	"github.com/tidbcloud/dataflow-service-ng/internal/bizutils"
	"google.golang.org/grpc/status"
)

type detailedCodeStatus struct {
	grpcerr.ErrorCodeStatus
	details []proto.Message
}

func (wrapper detailedCodeStatus) GRPCStatus() *status.Status {
	grpcStatus := wrapper.ErrorCodeStatus.GRPCStatus()
	wrappedStatus, err := grpcStatus.WithDetails(wrapper.details...)
	if err != nil {
		return grpcStatus
	} else {
		return wrappedStatus
	}
}

func wrapCodeStatusWithDetail(ecs grpcerr.ErrorCodeStatus, details ...proto.Message) grpcerr.ErrorCodeStatus {
	return detailedCodeStatus{
		ErrorCodeStatus: ecs,
		details:         details,
	}
}

func errorConvert(ctx context.Context, err error) error {
	if err == nil {
		return nil
	}

	if coded := errcode.CodeChain(err); coded != nil {
		errCodeStatus := grpcerr.WrapAsGRPC(coded)
		details := bizutils.GetErrorDetailsFromContext(ctx)
		if details != nil {
			return wrapCodeStatusWithDetail(errCodeStatus, details...)
		}
		return errCodeStatus
	}
	return err
}