package middleware

import (
	"context"
	"errors"
	"time"

	ers "code.30cm.net/digimon/library-go/errors"
	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc"
)

const defaultTimeout = 30 * time.Second

func TimeoutMiddleware(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp any, err error) {

	newCtx, cancelCtx := context.WithTimeout(ctx, defaultTimeout)
	defer func() {
		cancelCtx()

		if errors.Is(newCtx.Err(), context.DeadlineExceeded) {
			err = ers.SystemTimeoutError(info.FullMethod)
			logx.Errorf("Method: %s, request %v, timeout: %d", info.FullMethod, req, defaultTimeout)
		}
	}()

	return handler(ctx, req)
}