let AItem = require('./AItem')
let logger = require('./log')
let mqtt = require('./mqttHandler');


class DimmerAdaptor extends AItem {
    constructor(floor, room, item) {
        super(floor, room, item);
        this.actionStateTopic = `${this.topicFirstPart}/state`;
        this.actionBrightTopic = `${this.topicFirstPart}/bright`;
        this.inTopic = `${this.topicFirstPart}/dimmerIn`;
        this.subscribeTopics = [ this.inTopic ];
        this.state = 'OFF';
        this.bright = 100;
        this.brightDirection = -1;
    }

    processMessage(topic, payload) {
        switch (topic) {
            case this.inTopic:
                switch (payload) {
                    case 'SHORT':
                        if (this.state == 'OFF') {
                            this.state = 'ON';
                        } else {
                            this.state = 'OFF';
                        }
                        mqtt.send(this.actionStateTopic, this.state, true);
                        break;
                    case 'LONG_HOLD':
                        this.bright += (5 * this.brightDirection);
                        if (this.bright > 100) {
                            this.bright = 100;
                        }
                        if (this.bright < 0) {
                            this.bright = 0;
                        }
                        mqtt.send(this.actionBrightTopic, this.bright, true);
                        break;
                    case 'LONG_END':
                        this.brightDirection = this.brightDirection * -1;
                        break;
                }  
                break;
        }
    }
}


module.exports = DimmerAdaptor;