const {
	HCSwitch
} = require('homecontrol-control-base');

const os = require('os');

let rcswitch;

if(os.arch() == 'arm' || os.arch() == 'arm64') {
	rcswitch = require('rcswitch');
} else {
	/**
	 * "Polyfill" for development purposes. Should run correctly on actual Raspberry PI hardware
	 */
	rcswitch = {
		switchOn: function() {
			console.log("switchOn", arguments);
		},
		switchOff: function() {
			console.log("switchOff", arguments);
		},
		enableTransmit: function() {
			console.log("enableTransmit", arguments);
		},
	};
}

class HCrcswitch extends HCSwitch {
	constructor(config) {
		super(config);

		if (!("pin" in this._configuration)) {
			throw new Error(`Required configuration field "address" is missing"`);
		}

		if (!("group" in this._configuration)) {
			throw new Error(`Required configuration field "group" is missing"`);
		}

		if (!("switch" in this._configuration)) {
			throw new Error(`Required configuration field "switch" is missing"`);
		}

		rcswitch.enableTransmit(this._configuration.pin);
	}

	turnOn() {
		return new Promise((resolve) => {
			rcswitch.switchOn(this._configuration.group, this._configuration.switch);

			this._state.on = true;
			this.emit("state change", this.state);
			return resolve();
		});
	}

	turnOff() {
		return new Promise((resolve) => {
			rcswitch.switchOff(this._configuration.group, this._configuration.switch);

			this._state.on = false;
			this.emit("state change", this.state);
			return resolve();
		});
	}
}

module.exports = HCrcswitch;