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import * as siProtocol from '../siProtocol';
import {proto} from '../constants';
import {BaseSiCard} from '../SiCard';
import {ISiCard} from '../SiCard/ISiCard';
import {ISiDevice, ISiDeviceDriverData} from '../SiDevice/ISiDevice';
import {ISiStation} from './ISiStation';
import {SiMainStationEvents, SiMainStationSiCardInsertedEvent, SiMainStationSiCardObservedEvent, SiMainStationSiCardRemovedEvent} from './ISiMainStation';
import {ISiTargetMultiplexer, SiTargetMultiplexerMessageEvent, SiTargetMultiplexerTarget} from './ISiTargetMultiplexer';
import {BaseSiStation, ISiStationStorageFields} from './BaseSiStation';
import {SiTargetMultiplexer} from './SiTargetMultiplexer';
type SiStationSetup = {
[key in keyof ISiStationStorageFields]?: ISiStationStorageFields[key]
};
type CleanUpFunction = () => Promise<void>;
export class SiMainStation
extends BaseSiStation<SiTargetMultiplexerTarget.Direct>
implements ISiStation<SiTargetMultiplexerTarget.Direct> {
static fromSiDevice(siDevice: ISiDevice<ISiDeviceDriverData<unknown>>): SiMainStation {
const multiplexer = SiTargetMultiplexer.fromSiDevice(siDevice);
return this.fromSiTargetMultiplexer(multiplexer);
}
static fromSiTargetMultiplexer(
multiplexer: ISiTargetMultiplexer,
): SiMainStation {
return this.fromSiTargetMultiplexerWithGivenTarget(
multiplexer,
SiTargetMultiplexerTarget.Direct,
() => new this(multiplexer, SiTargetMultiplexerTarget.Direct),
) as SiMainStation;
}
public siCard: ISiCard|null = null;
constructor(
siTargetMultiplexer: ISiTargetMultiplexer,
multiplexerTarget: SiTargetMultiplexerTarget.Direct = SiTargetMultiplexerTarget.Direct,
) {
super(siTargetMultiplexer, multiplexerTarget);
siTargetMultiplexer.addEventListener(
'message', // not directMessage, as the target might still be unknown, but we still need the message
(e: SiTargetMultiplexerMessageEvent) => {
const message = e.message;
this.handleMessage(message);
console.log(`There's a SiMainStation listening to this ${message}`);
},
);
}
readCards(
onCardInserted: (card: ISiCard) => void,
siStationSetupModification: SiStationSetup = {},
): Promise<CleanUpFunction> {
const siStationSetup: SiStationSetup = {
code: 10,
mode: 'Readout',
autoSend: false,
handshake: true,
beeps: true,
flashes: true,
...siStationSetupModification,
};
const siStationSetupKeys = Object.keys(siStationSetup) as (keyof ISiStationStorageFields)[];
const oldState: SiStationSetup = {};
const handleCardInserted = (e: SiMainStationSiCardInsertedEvent) => {
onCardInserted(e.siCard);
};
const cleanUp: CleanUpFunction = () => {
this.removeEventListener('siCardInserted', handleCardInserted);
return this.atomically(() => {
siStationSetupKeys.forEach(
(infoName) => {
const oldInfoValue = oldState[infoName];
if (oldInfoValue !== undefined) {
this.setInfo(infoName, oldInfoValue);
}
},
);
});
};
return this.atomically(() => {
siStationSetupKeys.forEach(
(infoName: keyof ISiStationStorageFields) => {
const oldFieldValue = this.getInfo(infoName);
// @ts-ignore
oldState[infoName] = oldFieldValue ? oldFieldValue.value : undefined;
const newValue = siStationSetup[infoName];
if (newValue !== undefined) {
this.setInfo(infoName, newValue);
}
},
);
})
.then(() => {
this.addEventListener('siCardInserted', handleCardInserted);
return cleanUp;
});
}
handleMessage(message: siProtocol.SiMessage): void {
if (message.mode !== undefined) {
return;
}
const {command, parameters} = message;
const detectedSiCard = BaseSiCard.detectFromMessage(message);
if (detectedSiCard !== undefined) {
detectedSiCard.mainStation = this;
this.siCard = detectedSiCard as ISiCard;
this.dispatchEvent(
'siCardInserted',
new SiMainStationSiCardInsertedEvent(this, detectedSiCard as ISiCard),
);
return;
}
const handleSiCardRemoved = () => {
const removedCardNumber = siProtocol.arr2cardNumber([parameters[5], parameters[4], parameters[3]]); // TODO: also [2]?
if (this.siCard !== null && this.siCard.cardNumber === removedCardNumber) {
this.dispatchEvent(
'siCardRemoved',
new SiMainStationSiCardRemovedEvent(this, this.siCard),
);
} else {
console.warn(`Card ${removedCardNumber} was removed, but never inserted`);
}
this.siCard = null;
};
const handleSiCardObserved = () => {
const observedCardNumber = siProtocol.arr2cardNumber([parameters[5], parameters[4], parameters[3]]); // TODO: also [2]?
Iif (observedCardNumber === undefined) {
return;
}
const transRecordCard = BaseSiCard.fromCardNumber(observedCardNumber);
if (transRecordCard !== undefined) {
transRecordCard.mainStation = this;
this.dispatchEvent(
'siCardObserved',
new SiMainStationSiCardObservedEvent(this, transRecordCard as ISiCard),
);
}
};
const handlerByCommand: {[command: number]: () => void} = {
[proto.cmd.SI_REM]: handleSiCardRemoved,
[proto.cmd.TRANS_REC]: handleSiCardObserved,
};
const handler = handlerByCommand[command];
if (handler === undefined) {
return;
}
handler();
}
}
// eslint-disable-next-line @typescript-eslint/no-empty-interface
export interface SiMainStation extends utils.EventTarget<SiMainStationEvents> {}
utils.applyMixins(SiMainStation, [utils.EventTarget]);
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