# hubs/wedo2smarthub.js

    "use strict";
    var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
        if (k2 === undefined) k2 = k;
        Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
    }) : (function(o, m, k, k2) {
        if (k2 === undefined) k2 = k;
        o[k2] = m[k];
    }));
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        Object.defineProperty(o, "default", { enumerable: true, value: v });
    }) : function(o, v) {
        o["default"] = v;
    });
    var __importStar = (this && this.__importStar) || function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
        __setModuleDefault(result, mod);
        return result;
    };
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.PortMap = exports.WeDo2SmartHub = void 0;
    const basehub_1 = require("./basehub");
    const Consts = __importStar(require("../consts"));
    const utils_1 = require("../utils");
    const Debug = require("debug");
    const debug = Debug("wedo2smarthub");
    /**
     * The WeDo2SmartHub is emitted if the discovered device is a WeDo 2.0 Smart Hub.
     * @class WeDo2SmartHub
     * @extends BaseHub
     */
    class WeDo2SmartHub extends basehub_1.BaseHub {
        constructor(device) {
            super(device, exports.PortMap, Consts.HubType.WEDO2_SMART_HUB);
            this._lastTiltX = 0;
            this._lastTiltY = 0;
            debug("Discovered WeDo 2.0 Smart Hub");
        }
        static IsWeDo2SmartHub(peripheral) {
            return (peripheral.advertisement &&
                peripheral.advertisement.serviceUuids &&
                peripheral.advertisement.serviceUuids.indexOf(Consts.BLEService.WEDO2_SMART_HUB.replace(/-/g, "")) >= 0);
        }
        connect() {
            return new Promise(async (resolve) => {
                debug("Connecting to WeDo 2.0 Smart Hub");
                await super.connect();
                await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB);
                await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_2);
                if (!utils_1.isWebBluetooth) {
                    await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_3);
                    await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_4);
                    await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_5);
                }
                else {
                    await this._bleDevice.discoverCharacteristicsForService("battery_service");
                    await this._bleDevice.discoverCharacteristicsForService("device_information");
                }
                debug("Connect completed");
                this.emit("connect");
                resolve();
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_PORT_TYPE, this._parsePortMessage.bind(this));
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_SENSOR_VALUE, this._parseSensorMessage.bind(this));
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_BUTTON, this._parseSensorMessage.bind(this));
                if (!utils_1.isWebBluetooth) {
                    this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_BATTERY, this._parseBatteryMessage.bind(this));
                    this._bleDevice.readFromCharacteristic(Consts.BLECharacteristic.WEDO2_BATTERY, (err, data) => {
                        if (data) {
                            this._parseBatteryMessage(data);
                        }
                    });
                }
                else {
                    this._bleDevice.readFromCharacteristic("00002a19-0000-1000-8000-00805f9b34fb", (err, data) => {
                        if (data) {
                            this._parseBatteryMessage(data);
                        }
                    });
                    this._bleDevice.subscribeToCharacteristic("00002a19-0000-1000-8000-00805f9b34fb", this._parseHighCurrentAlert.bind(this));
                }
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_HIGH_CURRENT_ALERT, this._parseHighCurrentAlert.bind(this));
                if (!utils_1.isWebBluetooth) {
                    this._bleDevice.readFromCharacteristic(Consts.BLECharacteristic.WEDO2_FIRMWARE_REVISION, (err, data) => {
                        if (data) {
                            this._parseFirmwareRevisionString(data);
                        }
                    });
                }
                else {
                    this._bleDevice.readFromCharacteristic("00002a26-0000-1000-8000-00805f9b34fb", (err, data) => {
                        if (data) {
                            this._parseFirmwareRevisionString(data);
                        }
                    });
                }
            });
        }
        /**
         * Shutdown the Hub.
         * @method WeDo2SmartHub#shutdown
         * @returns {Promise} Resolved upon successful disconnect.
         */
        shutdown() {
            return this.send(Buffer.from([0x00]), Consts.BLECharacteristic.WEDO2_DISCONNECT);
        }
        /**
         * Set the name of the Hub.
         * @method WeDo2SmartHub#setName
         * @param {string} name New name of the hub (14 characters or less, ASCII only).
         * @returns {Promise} Resolved upon successful issuance of command.
         */
        setName(name) {
            if (name.length > 14) {
                throw new Error("Name must be 14 characters or less");
            }
            return new Promise((resolve) => {
                const data = Buffer.from(name, "ascii");
                // Send this twice, as sometimes the first time doesn't take
                this.send(data, Consts.BLECharacteristic.WEDO2_NAME_ID);
                this.send(data, Consts.BLECharacteristic.WEDO2_NAME_ID);
                this._name = name;
                return resolve();
            });
        }
        send(message, uuid) {
            if (debug.enabled) {
                debug(`Sent Message (${this._getCharacteristicNameFromUUID(uuid)})`, message);
            }
            return this._bleDevice.writeToCharacteristic(uuid, message);
        }
        subscribe(portId, deviceType, mode) {
            this.send(Buffer.from([0x01, 0x02, portId, deviceType, mode, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01]), Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE);
        }
        unsubscribe(portId, deviceType, mode) {
            this.send(Buffer.from([0x01, 0x02, portId, deviceType, mode, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00]), Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE);
        }
        _getCharacteristicNameFromUUID(uuid) {
            const keys = Object.keys(Consts.BLECharacteristic);
            for (let i = 0; i < keys.length; i++) {
                const key = keys[i];
                if (Consts.BLECharacteristic[key] === uuid) {
                    return key;
                }
            }
            return "UNKNOWN";
        }
        _parseHighCurrentAlert(data) {
            debug("Received Message (WEDO2_HIGH_CURRENT_ALERT)", data);
        }
        _parseBatteryMessage(data) {
            debug("Received Message (WEDO2_BATTERY)", data);
            const batteryLevel = data[0];
            if (batteryLevel !== this._batteryLevel) {
                this._batteryLevel = batteryLevel;
                this.emit("batteryLevel", { batteryLevel });
            }
        }
        _parseFirmwareRevisionString(data) {
            debug("Received Message (WEDO2_FIRMWARE_REVISION)", data);
            this._firmwareVersion = data.toString();
        }
        _parsePortMessage(data) {
            debug("Received Message (WEDO2_PORT_TYPE)", data);
            const portId = data[0];
            const event = data[1];
            const deviceType = event ? data[3] : 0;
            if (event === 0x01) {
                const device = this._createDevice(deviceType, portId);
                this._attachDevice(device);
            }
            else if (event === 0x00) {
                const device = this._getDeviceByPortId(portId);
                if (device) {
                    this._detachDevice(device);
                }
            }
        }
        _parseSensorMessage(message) {
            debug("Received Message (WEDO2_SENSOR_VALUE)", message);
            if (message[0] === 0x01) {
                /**
                 * Emits when a button is pressed.
                 * @event WeDo2SmartHub#button
                 * @param {string} button
                 * @param {ButtonState} state
                 */
                this.emit("button", { event: Consts.ButtonState.PRESSED });
                return;
            }
            else if (message[0] === 0x00) {
                this.emit("button", { event: Consts.ButtonState.RELEASED });
                return;
            }
            const portId = message[1];
            const device = this._getDeviceByPortId(portId);
            if (device) {
                device.receive(message);
            }
        }
    }
    exports.WeDo2SmartHub = WeDo2SmartHub;
    exports.PortMap = {
        "A": 1,
        "B": 2,
        "CURRENT_SENSOR": 3,
        "VOLTAGE_SENSOR": 4,
        "PIEZO_BUZZER": 5,
        "HUB_LED": 6
    };
    //# sourceMappingURL=wedo2smarthub.js.map