// For morse translation
var jj = 0;

function MorseTranslator() {

    var msgInput = document.getElementById("msgInput");
    var msgOutput = document.getElementById("msgOutput");

    // to play the sound when the key is pressed
    if (msgInput.value[jj] == ".") {
        playSound('sine', 700, 0.1);
    } else if (msgInput.value[jj] == "-") {
        playSound('sine', 600, 0.3);
    }

    // to check if the given input is morse code or not
    if (isMorseCode(msgInput.value) == true) {
        if (msgInput.value[jj] == " ") {
            var decoded = morse.decode(msgInput.value);
            msgOutput.value = decoded;
        }

    } else {
        var encoded = morse.encode(msgInput.value);
        msgOutput.value = encoded;
    }
    jj = msgInput.value.length;
    if (jj == 0) {
        msgOutput.value = " ";
    }
}

function isMorseCode(str) {
    for (var i = 0; i < str.length; i++)
        if (['/', '-', '.', ' '].indexOf(str.charAt(i)) == -1)
            return false;
    return true;
}

function playFullTone(input) {
    for (var i = 0; i < input.value.length; i++) {
        if (input.value[i] == ".") {
            setTimeout(playSound('sine', 700, 0.1),2000);
            
        } else if (input.value[i] == "-") {
            setTimeout(playSound('sine', 600, 0.3),2000);
        } else {
            setTimeout(playSound('sine',0,0.5),2000);
        }
    }
}