import processing.serial.*;

Serial port;
char buzzer = '1';
char led = '0';
color defaultButton = color(255, 255, 255);
color hoverButton = color(150, 150, 150);
color defaultText = color(0, 102, 153);
color hoverText = color(0, 0, 0);
int buttonH = 50;
int buttonW = 300;

color stateOn = color(38, 191, 0);
color stateOff = color(25, 115, 0);
color stateOnText = color(47, 235, 0);
color stateOffText = color(17, 87, 0);
color ledStateOn = stateOn;
color ledStateOff = stateOff;
color ledStateOnText = stateOnText;
color ledStateOffText = stateOffText;
color buzzerStateOn = stateOn;
color buzzerStateOff = stateOff;
color buzzerStateOnText = stateOnText;
color buzzerStateOffText = stateOffText;
int stateW = buttonW;
int stateH = buttonH;

int ledAlarmTicks = 10;
int ledTicks = 0;
boolean ledOn = false;
boolean aLedOn = false;

int ledBlinkX = 10;
int ledBlinkY = 10;
int ledBlinkW = buttonW;
int ledBlinkH = buttonH;
color ledBlinkTextColor = defaultText;
color ledBlinkButtonColor = defaultButton;

int ledToggleX = ledBlinkX+ledBlinkW+10;
int ledToggleY = 10;
int ledToggleW = buttonW;
int ledToggleH = buttonH;
color ledToggleTextColor = defaultText;
color ledToggleButtonColor = defaultButton;

int buzzerAlarmTicks = 30;
int buzzerTicks = 0;
boolean buzzerOn = false;
boolean aBuzzerOn = false;

int buzzerBlinkX = ledBlinkX;
int buzzerBlinkY = ledBlinkY+ledBlinkH+10;
int buzzerBlinkW = buttonW;
int buzzerBlinkH = buttonH;
color buzzerBlinkTextColor = defaultText;
color buzzerBlinkButtonColor = defaultButton;

int buzzerToggleX = buzzerBlinkX+buzzerBlinkW+10;
int buzzerToggleY = ledBlinkY+ledBlinkH+10;
int buzzerToggleW = buttonW;
int buzzerToggleH = buttonH;
color buzzerToggleTextColor = defaultText;
color buzzerToggleButtonColor = defaultButton;

int bothBlinkX = buzzerBlinkX;
int bothBlinkY = buzzerBlinkY+buzzerBlinkH+10;
int bothBlinkW = buttonW;
int bothBlinkH = buttonH;
color bothBlinkTextColor = defaultText;
color bothBlinkButtonColor = defaultButton;

int bothToggleX = bothBlinkX+bothBlinkW+10;
int bothToggleY = buzzerBlinkY+buzzerBlinkH+10;
int bothToggleW = buttonW;
int bothToggleH = buttonH;
color bothToggleTextColor = defaultText;
color bothToggleButtonColor = defaultButton;

void setup(){
  size(630, 500);
  frame.setTitle("Arduino Alarm");
  port = new Serial(this, "COM3", 9600);
  port.bufferUntil('\n');
}

void draw(){
   PFont font = createFont(PFont.list()[0], 32);
   background(0, 0, 0);
   stroke(256);

   // Buttons
   fill(ledBlinkButtonColor);
   rect(ledBlinkX, ledBlinkY, ledBlinkW, ledBlinkH);
   textFont(font);
   fill(ledBlinkTextColor);
   text("BLINK LED", ledBlinkX+10, ledBlinkY+35);

   fill(ledToggleButtonColor);
   rect(ledToggleX, ledToggleY, ledToggleW, ledToggleH);
   textFont(font);
   fill(ledToggleTextColor);
   text("TOGGLE LED", ledToggleX+10, ledToggleY+35);

   fill(buzzerBlinkButtonColor);
   rect(buzzerBlinkX, buzzerBlinkY, buzzerBlinkW, buzzerBlinkH);
   textFont(font);
   fill(buzzerBlinkTextColor);
   text("TIMED BUZZER", buzzerBlinkX+10, buzzerBlinkY+35);

   fill(buzzerToggleButtonColor);
   rect(buzzerToggleX, buzzerToggleY, buzzerToggleW, buzzerToggleH);
   textFont(font);
   fill(buzzerToggleTextColor);
   text("TOGGLE BUZZER", buzzerToggleX+10, buzzerToggleY+35);

   fill(bothBlinkButtonColor);
   rect(bothBlinkX, bothBlinkY, bothBlinkW, bothBlinkH);
   textFont(font);
   fill(bothBlinkTextColor);
   text("PULSE BOTH", bothBlinkX+10, bothBlinkY+35);

   fill(bothToggleButtonColor);
   rect(bothToggleX, bothToggleY, bothToggleW, bothToggleH);
   textFont(font);
   fill(bothToggleTextColor);
   text("TOGGLE BOTH", bothToggleX+10, bothToggleY+35);

   // Status
   if(aLedOn){
      fill(ledStateOn);
   }else{
      fill(ledStateOff);
   }
   rect(bothBlinkX, bothBlinkY+bothBlinkH+10, stateW, stateH);
   textFont(font);
   if(aLedOn){
     fill(ledStateOnText);
   }else{
     fill(ledStateOffText);
   }
   text("LED", bothBlinkX+10, bothBlinkY+bothBlinkH+45);
   if(aBuzzerOn){
      fill(buzzerStateOn);
   }else{
      fill(buzzerStateOff);
   }
   rect(bothToggleX, bothToggleY+bothToggleH+10, stateW, stateH);
   textFont(font);
   if(aBuzzerOn){
     fill(buzzerStateOnText);
   }else{
     fill(buzzerStateOffText);
   }
   text("BUZZER", bothToggleX+10, bothToggleY+bothToggleH+45);

   // Handle loops
   if(ledOn){
     if(ledTicks>=ledAlarmTicks){
       ledTicks = 0;
       port.write(led);
     }
     ledTicks++;
   }else{
    ledTicks = 0;
   }
   if(buzzerOn){
     if(buzzerTicks>=buzzerAlarmTicks){
        buzzerTicks = 0;
        port.write(buzzer);
     }
     buzzerTicks++;
   }else{
     buzzerTicks = 0;
   }

   // Handle hover
   if(overRect(ledBlinkX, ledBlinkY, ledBlinkW, ledBlinkH)){
     resetButtons();
     ledBlinkTextColor = hoverText;
     ledBlinkButtonColor = hoverButton;
   }else if(overRect(ledToggleX, ledToggleY, ledToggleW, ledToggleH)){
     resetButtons();
     ledToggleTextColor = hoverText;
     ledToggleButtonColor = hoverButton;
   }else if(overRect(buzzerBlinkX, buzzerBlinkY, buzzerBlinkW, buzzerBlinkH)){
     resetButtons();
     buzzerBlinkTextColor = hoverText;
     buzzerBlinkButtonColor = hoverButton;
   }else if(overRect(buzzerToggleX, buzzerToggleY, buzzerToggleW, buzzerToggleH)){
     resetButtons();
     buzzerToggleTextColor = hoverText;
     buzzerToggleButtonColor = hoverButton;
   }else if(overRect(bothBlinkX, bothBlinkY, bothBlinkW, bothBlinkH)){
     resetButtons();
     bothBlinkTextColor = hoverText;
     bothBlinkButtonColor = hoverButton;
   }else if(overRect(bothToggleX, bothToggleY, bothToggleW, bothToggleH)){
     resetButtons();
     bothToggleTextColor = hoverText;
     bothToggleButtonColor = hoverButton;
   }else{
     resetButtons();
   }
}

void mousePressed(){
   if(overRect(ledBlinkX, ledBlinkY, ledBlinkW, ledBlinkH)){
     ledOn = !ledOn;
     if(!ledOn && aLedOn){
         port.write(led);
     }
   }else if(overRect(ledToggleX, ledToggleY, ledToggleW, ledToggleH)){
     port.write(led);
   }else if(overRect(buzzerBlinkX, buzzerBlinkY, buzzerBlinkW, buzzerBlinkH)){
     buzzerOn = !buzzerOn;
     if(!buzzerOn && aBuzzerOn){
        port.write(buzzer);
     }
   }else if(overRect(buzzerToggleX, buzzerToggleY, buzzerToggleW, buzzerToggleH)){
      port.write(buzzer);
   }else if(overRect(bothBlinkX, bothBlinkY, bothBlinkW, bothBlinkH)){
     ledOn = !ledOn;
     if(!ledOn && aLedOn){
         port.write(led);
     }
     buzzerOn = !buzzerOn;
     if(!buzzerOn && aBuzzerOn){
        port.write(buzzer);
     }
   }else if(overRect(bothToggleX, bothToggleY, bothToggleW, bothToggleH)){
     port.write(buzzer);
     port.write(led);
   }
}

void serialEvent(Serial port){
   float in = float(port.readStringUntil('\n'));
   if(in == 1){
      aLedOn = true;
   }else if(in == 0){
      aLedOn = false;
   }else if(in == 2){
      aBuzzerOn = false;
   }else if(in == 3){
      aBuzzerOn = true;
   }
}

void resetButtons(){
     ledBlinkTextColor = defaultText;
     ledBlinkButtonColor = defaultButton;
     ledToggleTextColor = defaultText;
     ledToggleButtonColor = defaultButton;
     buzzerBlinkTextColor = defaultText;
     buzzerBlinkButtonColor = defaultButton;
     buzzerToggleTextColor = defaultText;
     buzzerToggleButtonColor = defaultButton;
     bothBlinkTextColor = defaultText;
     bothBlinkButtonColor = defaultButton;
     bothToggleTextColor = defaultText;
     bothToggleButtonColor = defaultButton;
}

boolean overRect(int x, int y, int width, int height){
  if(mouseX >= x && mouseX <= x+width && mouseY >= y && mouseY <= y+height){
    return true;
  }else{
    return false;
  }
}