import * as grpcWeb from "grpc-web"
import { SubscribeRequest, SubscribeResponse } from './proto/gameobject';
import { UpdaterClient } from "./proto/gameobject.client"
import { ServerStreamingCall } from "@protobuf-ts/runtime-rpc"
import { GrpcWebFetchTransport } from "@protobuf-ts/grpcweb-transport";

class Updater {
    static readonly INTERVAL = 500;  // ms
    static readonly MAX_STREAM_MESSAGES = 50;

    stream: ServerStreamingCall<SubscribeRequest, SubscribeResponse>;

    constructor(public updaterService: UpdaterClient, uuid: string) {
        // Subscribe to server
        this.stream = this.updaterService.subscribeCreations({ uuid })
        //Handle server stream
        this.stream.responses.onNext((a) => {
            console.log(a)
        })
        this.stream.responses.onMessage((response: SubscribeResponse) => {
            console.log(response.uuid)
        });
        this.stream.responses.onError((err) => {
            console.error(err.message)
        });
        this.stream.responses.onComplete(() => {
            console.log('stream end signal received');
        });
    }
}


const transport = new GrpcWebFetchTransport({
    baseUrl: "http://localhost:8080"
});

const updaterService = new UpdaterClient(transport);

export function subscribeObject(uuid: string) {
    return new Updater(updaterService, uuid)
}