'use strict';

import {HueApi, lightState} from 'node-hue-api';
import creds from './constants/credentials'; // JSON object containing Hue Bridge ip-address and user credentials

class Api {
    constructor() {
        this.api = new HueApi(creds.hue.hostname, creds.user.username);
        this.lights = [];
    }

    _onError(err) {
        console.error(err);
    }

    getConfig(cb) {
        this.api.config((err, config) => {
            if (err) this._onError(err);
            else cb(config);
        });
    }

    getLights(cb) {
        this.api.getLights((err, {lights}) => {
            if (err) this._onError(err);
            else this.setLights(lights), cb(lights);
        });
    }

    setLights(lights) {
        this.lights = lights;
    }

    getLightStatus(lightId, cb) {
        this.api.lightStatusWithRGB(lightId, ((err, {state}) => {
            if (err) this._onError(err);
            else cb(state);
        }));
    }

    setLightState(lightId, state) {
        this.api.setLightState(lightId, state);
    }

    createLS(cmd, args) {
        return lightState.create()[cmd](args);
    }

    setColor(color) {
        // Hardcoding lightId for reasons
        this.setLightState(3, lightState.create().rgb(this.hexToRGB(color)));
        this.setLightState(4, lightState.create().rgb(this.hexToRGB(color)));
    }

    hexToRGB(hex) {
        return hex.split(/([a-f0-9]{2})/).filter(c => c && !isNaN(parseInt(c, 16))).map(c => parseInt(c, 16));
    }

    rgbToHex(rgb) {
        return '#' + rgb.map(c => ('0' + c.toString(16)).substr(-2));
    }
}

export default Api;