"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    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) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const _1 = require("../../../../../Class/$");
const Functional_1 = require("../../../../../Class/Functional");
const _ids_1 = require("../../../../_ids");
class BluetoothCharacteristic extends Functional_1.Functional {
    constructor(system) {
        super({
            i: ['service', 'uuid'],
            o: ['charac'],
        }, {
            input: {
                service: {
                    ref: true,
                },
            },
            output: {
                charac: {
                    ref: true,
                },
            },
        }, system, _ids_1.ID_BLUETOOTH_CHARACTERISTIC);
        this._started = false;
        this.addListener('listen', ({ event }) => {
            if (event === 'write') {
                this.startNotifications();
            }
        });
        this.addListener('unlisten', ({ event }) => {
            if (event === 'write') {
                this.stopNotification();
            }
        });
    }
    f({ service, uuid }, done) {
        return __awaiter(this, void 0, void 0, function* () {
            const _charac = yield service.getCharacteristic(uuid);
            this._charac = _charac;
            const charac = new (class _BluetoothDevice extends _1.$ {
                read() {
                    return __awaiter(this, void 0, void 0, function* () {
                        const dataView = yield _charac.readValue();
                        return dataView.getUint8(0).toString();
                    });
                }
                write(data) {
                    return __awaiter(this, void 0, void 0, function* () {
                        const charCodeArray = data.split('').map((c) => c.charCodeAt(0));
                        const buffer = Uint8Array.from(charCodeArray);
                        yield _charac.writeValue(buffer);
                        return;
                    });
                }
            })(this.__system);
            done({ charac });
        });
    }
    d() { }
    startNotifications() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this._started) {
                return;
            }
            const characteristic = this._charac;
            this._started = true;
            characteristic.startNotifications();
            characteristic.addEventListener('characteristicvaluechanged', (event) => {
                const dataView = event.target.value;
                const { byteLength } = dataView;
                let value = '';
                for (let i = 0; i < byteLength; i++) {
                    value += String.fromCharCode(dataView.getUint8(i));
                }
                event.stopImmediatePropagation();
                this.emit('characteristicvaluechanged', value, true);
            });
        });
    }
    stopNotification() {
        if (this._started) {
            return;
        }
        this._started = false;
        this._charac.stopNotifications();
    }
}
exports.default = BluetoothCharacteristic;
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