"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
var ComRelay = /** @class */ (function () {
    // private IRelayCallback mCallback;
    // public final RelayServiceInfoModel mRelayInfo;
    // private DefaultSocketServer mSocketServer;
    // private WebSocketServer mWebSocketServer;
    function ComRelay(sourceProtocol, targetProtocol) {
        this.logger = console;
        if (sourceProtocol) {
            this.setSourceProtocol(sourceProtocol);
        }
        if (targetProtocol) {
            this.setTargetProtocol(targetProtocol);
        }
    }
    ComRelay.prototype.setSourceProtocol = function (protocol) {
        if (this.mSourceProtocol) {
            this.removeSourceProtocol();
        }
        this.mSourceProtocol = protocol;
        return this;
    };
    ComRelay.prototype.removeSourceProtocol = function () {
        if (this._sourceProtocolSubscription) {
            this._sourceProtocolSubscription.unsubscribe();
            this._sourceProtocolSubscription = undefined;
        }
        this.mSourceProtocol = undefined;
        return this;
    };
    ComRelay.prototype.setTargetProtocol = function (protocol) {
        this.mTargetProtocol = protocol;
        return this;
    };
    ComRelay.prototype.start = function (options) {
        return __awaiter(this, void 0, void 0, function () {
            var _this = this;
            return __generator(this, function (_a) {
                return [2 /*return*/, promiseTimout(options ? options.timeout || -1 : -1, function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
                        var ex_1;
                        return __generator(this, function (_a) {
                            switch (_a.label) {
                                case 0:
                                    _a.trys.push([0, 5, , 6]);
                                    if (!this.mSourceProtocol) {
                                        throw new Error("Missing source protocol");
                                    }
                                    if (!this.mTargetProtocol) {
                                        throw new Error("Missing target protocol");
                                    }
                                    if (!!this.mSourceProtocol.isConnected()) return [3 /*break*/, 2];
                                    this.logger.info("Connecting to source protocol...");
                                    return [4 /*yield*/, this.mSourceProtocol.connect().toPromise()];
                                case 1:
                                    _a.sent();
                                    _a.label = 2;
                                case 2:
                                    if (!!this.mTargetProtocol.isConnected()) return [3 /*break*/, 4];
                                    this.logger.info("Connecting to target protocol...");
                                    return [4 /*yield*/, this.mTargetProtocol.connect().toPromise()];
                                case 3:
                                    _a.sent();
                                    _a.label = 4;
                                case 4:
                                    this.logger.info("Source/Target are now connected. Listening to messages...");
                                    // We need to reconnect
                                    this.listenToDataStream();
                                    resolve();
                                    return [3 /*break*/, 6];
                                case 5:
                                    ex_1 = _a.sent();
                                    reject(ex_1);
                                    return [3 /*break*/, 6];
                                case 6: return [2 /*return*/];
                            }
                        });
                    }); })];
            });
        });
    };
    ComRelay.prototype.stop = function () {
        if (this.mTargetProtocol && this.mTargetProtocol.isConnected()) {
            this.mSourceProtocol.disconnect();
        }
        if (this.mSourceProtocol && this.mSourceProtocol.isConnected()) {
            this.mSourceProtocol.disconnect();
        }
    };
    ComRelay.prototype.listenToDataStream = function () {
        var _this = this;
        // if (!this.mSourceProtocol!.isConnected()){
        //     await this.mSourceProtocol!.connect();
        // }
        return new Promise(function (resolve, reject) {
            _this._sourceProtocolSubscription = _this.mSourceProtocol // TODO remove
                .receiveStream()
                .subscribe({
                next: function (data) {
                    if (!data) {
                        _this.logger.error("Received null event...");
                        return;
                    }
                    if (!_this.mTargetProtocol) {
                        _this.logger.error("Target protocol is null. Cannot redirect message to it");
                        return;
                    }
                    try {
                        _this.mTargetProtocol
                            .send(data)
                            .toPromise()
                            .then(function (response) {
                            _this.mSourceProtocol.write(response); // TODO fix
                        })
                            .catch(function (err) {
                            _this.logger.error("Source cannot transfer data to target due to error: " + err, err);
                        });
                    }
                    catch (err) {
                        _this.logger.error("Source cannot transfer data to target due to error: " + err, err);
                    }
                },
                error: function (err) {
                    console.error("Error occured " + err);
                },
                complete: function () {
                    resolve();
                }
            });
        });
    };
    ComRelay.prototype.onStop = function () {
        // TODO cleanup
        return this;
    };
    ComRelay.TAG = "RelayEngine";
    return ComRelay;
}());
exports.ComRelay = ComRelay;
function promiseTimout(ms, callback) {
    return new Promise(function (resolve, reject) {
        console.log("promiseTimout start with " + ms + " milliseconds");
        // Set up the real work
        callback(resolve, reject);
        // Set up the timeout
        if (ms >= 0) {
            setTimeout(function () {
                // console.log(`promiseTimout TIMEOUT ERROR ${ms} milliseconds`);
                reject('Promise timed out after ' + ms + ' ms');
            }, ms);
        }
    });
}
