import * as logger from './log'
import { mqttHandler } from './MqttDispatcher'
import { AItem } from './AItem'


export class TouchSwitchButtonSingleItem {
    private actionTopic: string

    constructor(actionTopic: string) {
        this.actionTopic = actionTopic
    }

    processMessage(topic: string, payload: string) {
        switch(topic) {
            case 'SHORT':
                mqttHandler.send(this.actionTopic, 'SHORT', true)
                break
            case 'LONG_BEGIN':
            case 'LONG_CONT':
                mqttHandler.send(this.actionTopic, 'LONG_HOLD', true)
                break
            case 'LONG_END':
                mqttHandler.send(this.actionTopic, 'LONG_END', true)
                break
            default:
                logger.warn(`TWBSI: no handling available for ${topic}`)
                break
        }
    }
}

export class TouchSwitchMultiButtonThing extends AItem {
    private itemObjs: TouchSwitchButtonSingleItem[]
    private readonly deviceTopicPre: string

    constructor(floor: string, room: string, item: string, itemObjs: TouchSwitchButtonSingleItem[]) {
        super(floor, room, item, '')
        this.itemObjs = itemObjs
        this.deviceTopicPre = `IoT/Touchswitch/${this.floor}/${this.room}/${this.item}`
        this.subscribeTopics = [
            `${this.deviceTopicPre}/#` 
        ]
    }

    processMessage(topic: string, payload: string) {
        logger.info(`TSMBT: ${topic}, ${payload}`)
        let buttonRelatedPart = topic.substring(this.deviceTopicPre.length+1)
        let buttonIdx = parseInt(buttonRelatedPart.substring(0, buttonRelatedPart.indexOf('/')))
        if (buttonIdx >= 1 && buttonIdx <= this.itemObjs.length) {
            this.itemObjs[buttonIdx-1].processMessage(buttonRelatedPart.substring(buttonRelatedPart.indexOf('/')+1), payload)
        } else {
            logger.warn(`TSMBT: no handling available for ${topic}`)
        }
    }
}