let port;
let reader;
const decoder = new TextDecoder("utf-8");
let readibleoutput = 0;

// Request a port and open a connection.
async function connect() {
    //vraag aan de browser om een serial port te selecteren
    port = await navigator.serial.requestPort();
    await port.open({ baudRate: 9600 });
    reader = port.readable.getReader();
    console.log("Port is open!");
    readLoop()
}

// Read data from serial port
async function readLoop() {
    let buffer = [];

    // loop until reader.cancel() is called
    while (true) {
        // Wait for data
        const { value, done } = await reader.read();


        for (let iByte = 0; iByte < value.length; iByte++) {
            let singleByte = value[iByte];
            //functie maken er van met boolean!!!
            if (singleByte != 10) {
                buffer.push(singleByte);
            }

            else {
                let sensorString = decoder.decode(new Uint8Array(buffer));
                console.log(sensorString);
                //zet alle data in een json array

                try {
                    let incomingData = JSON.parse(sensorString.replace(/'/g, '"'));

                    // Ensure incomingData is an array
                    if (Array.isArray(incomingData)) {
                        // Convert the array of strings to a boolean array
                        let booleanArray = incomingData.map(bit => bit == '1');
                    
                        console.log(booleanArray);
                    } else {
                        console.error("Invalid incoming data format. Expecting an array.");
                    }
                } catch (e) {
                    console.log("json niet geparserd");
                }
                
                buffer = [];
            }
            if (done) {
                console.log('[readLoop] DONE', done);
                reader.releaseLock();
                break;
            }
        }
    }
    
}

// Sluit de poort
async function disconnect() {
    await reader.cancel();
    await port.close();
    console.log("Port is closed!");
}