import { Request, Response, NextFunction } from "express";
import { setLEDservice, getLEDservice } from "../services/gpio.service";


export function setLED(req: Request, res: Response, next: NextFunction) {

    //Get wanted LED and wished value
    const id: string = req.params.id;
    const value = req.body["value"];

    if(id != "4"){
        res.status(401).json({"msg" :"LED does not exist"})
    }
    if(value == null || !(value === 0 || value === 1)){
            res.status(401).json({"msg" : "invalid input"})
    }

    setLEDservice(id, value);

    res.status(201).json({});
}

export function getLED(req: Request, res: Response, next: NextFunction) {

    const id: string = req.params.id;

    const value = getLEDservice(id);
    if (value) {
        res.status(200).json({ "led": "on" })
    }
    else {
        res.status(200).json({ "led": "off" });
    }
}