var hr, min, sec, inputh, inputm, alarmh, alarmm, button;
var bedtimeset = false;
var error = false;
var image;
let serial;
let portName='COM7';
let inData;
let score;
//let portSelector;
let options = {baudRate: 9600}; // change the data rate to whatever you wish
let onTime=0;

function preload() {
  hr = hour();
  min = minute();
  sec = second();
  img = loadImage('plant.png');
  img = loadImage('plant.png');
 
}

function setup() {
  createCanvas(windowWidth, windowHeight);
  serial = new p5.SerialPort();
  serial.on('list',printList);
  serial.list();
  serial.open(portName, options);
  serial.on('connected', serverConnected); // callback for connecting to the server
  serial.on('open', portOpen);        // callback for the port opening
  serial.on('data', serialEvent);     // callback for when new data arrives
  serial.on('error', serialError);    // callback for errors
  serial.on('close', portClose);      // callback for the por
 
  setInterval(addSec, 1000);// update current time
  inputh = createInput();
  inputh.position(windowWidth/2 - 200, windowHeight/2 + 100);
  inputm = createInput();
  inputm.position(windowWidth/2 + 50, windowHeight/2 + 100);
  button = createButton("Set Bedtime");
  button.style("font-size", "25px");
  button.position(windowWidth/2-80,4*windowHeight/5 + 10);
  button.mousePressed(checkInput);
  currentTime();
  var restButton=createButton('reset');
  restButton.style("font-size", "25px");
  restButton.position(10*windowWidth/11, windowHeight/50);
  restButton.mousePressed(reset);
}
function reset(){
  window.location.reload();
}

function draw() {
  background(255);
  image(img, 0, windowHeight / 2, img.width / 2, img.height / 2);
  image(img, windowWidth - 300, windowHeight / 2, img.width / 2, img.height / 2);
 

  fill(0);
  textAlign(CENTER);
  textSize(80);
  textStyle(BOLD);
  text(nf(hr, 2, 0) + ":" + nf(min, 2, 0) + ":" + nf(sec, 2, 0), windowWidth/2, windowHeight/2 - 50);
  textSize(20);
  fill(200);
  text("soil moisture: " +inData, 130, 50);
  text("sleeping score: " +score, 120, 100);
 
  //console.log(bedtimeset);
  if (bedtimeset == false){
    
    console.log(error);
    textAlign(CENTER);
  //text("Set Bedtime", windowWidth/2, 2*windowHeight/3);
  text(":", windowWidth/2, windowHeight/2 + 120);
  }
  if (bedtimeset == true){
    fill(0);
    textAlign(CENTER);
    textSize(30);
    text("Bedtime set to " + nf(alarmh, 2, 0) + ":" + nf(alarmm, 2, 0), windowWidth/2, 3*windowHeight/4);
}
  if (error == true){
    fill(255, 0, 0);
    textSize(30);
    text("error", windowWidth/2, windowHeight/2+20);

    textSize(10);
    text("Please type in valid hours and mintues", windowWidth/2, windowHeight/2 + 50);
  }
  bedTime();
}

//connect arduino
function printList(portList) {
  // portList is an array of serial port names
  for (var i = 0; i < portList.length; i++) {
    // Display the list the console:
    console.log(i + portList[i]);
  }
}

function serverConnected() {
  console.log('connected to server.');
}
 
function portOpen() {
  console.log('the serial port opened.')
}
 
function serialEvent() {
  var inString = serial.readStringUntil('\r\n');
  if (inString.length > 0 ) {
    var sensors = split(inString, ',');            // split the string on the commas
    if (sensors.length > 1) {                      // if there are three elements
    inData=Number(sensors[0]);
       score=Number(sensors[1]);
    }
  }      
}
 
function serialError(err) {
  console.log('Something went wrong with the serial port. ' + err);
}
 
function portClose() {
  console.log('The serial port closed.');
}

function addSec() {
  sec++;
  if (sec >= 60) {
    sec = 0;
    min++;
  }
  if (min >= 60) {
    mint = 0;
    hr++;
  }
  if (hr >= 24) {
    window.location.reload();
  }
}

function currentTime() {}

function checkInput() {
  // if error is true, that means that an error has already occurred, so when we press the button again, we want to set error to false
  if (error == true){
    error = false;
  }
 
  console.log("You pressed submit!")
  alarmh = int(inputh.value());
  alarmm = int(inputm.value());
  inputh.value("");
  inputm.value("");

  
  if (alarmh > 24 || alarmh < 0 || alarmm > 60 || alarmm < 0) {
    error = true;
    
  } else {
    clearCanvas();
    inputh.hide();
    inputm.hide();
    button.hide();
bedtimeset = true;
    console.log(
      "Bedtime set to " + nf(alarmh, 2, 0) + ":" + nf(alarmm, 2, 0) + "."
    );
  }
}

function clearCanvas() {
  rect(0, 0, canvas.width, canvas.height);
  background(255);
}

function bedTime() {
  outByte=onTime;
  serial.write(outByte);
  if (alarmh == hr && alarmm == min) {
    clearCanvas();
    fill(0);
    textAlign(CENTER);
    textSize(60);
    text("It is bedtime now!", windowWidth/2, windowHeight/2);
    onTime=1;
  }
  if(score>=1){
    onTime=0;
  }
}