// UPDATED AS OF  "Thursday 09/03/2023" @ "17:00"

#include <LiquidCrystal.h>
#include <EEPROM.h>
#include <LedControl.h>
#include <IRremote.h>

#define joyX A0
#define joyY A1
#define SEL 35
#define IR_RECEIVE_PIN 33                      
#define IR_BUTTON_POWER 162
#define IR_BUTTON_UP 2
#define IR_BUTTON_DOWN 152
#define IR_BUTTON_LEFT 224
#define IR_BUTTON_RIGHT 144

int xValue, yValue, UD, LR, button;
int x_coordinate = 3;
int y_coordinate = 3;

LiquidCrystal lcd (12,11,5,4,3,2);
LedControl lc=LedControl(27,31,29,1);


void setup() {

  Serial.begin(9600);
  IrReceiver.begin(IR_RECEIVE_PIN);
  pinMode(SEL, INPUT_PULLUP);

  lc.shutdown(0,false);
  lc.setIntensity(0,8);
  lc.clearDisplay(0); 

  lcd.begin(16,2);
  lcd.print("Reddu Dottu");
  lcd.setCursor(0,1);
  lcd.print("Mode: ");

  if (EEPROM.read(9) == 255) {
    EEPROM.write(9,1);                          
    lcd.print("Joystick !");
  }

  else if (EEPROM.read(9) == 1) {
    lcd.print("Joystick !");
  }

  else if (EEPROM.read(9) == 2) {
    lcd.print ("Remote ->");
  }
}


void loop() {

//JOYYYYYYYY
if (EEPROM.read(9) == 1){
//Reading X and Y values from joystick
  UD = analogRead(A1);
  LR = analogRead(A0);
  int x_translate = map(LR, 0, 1023, 0, 8);                 //This maps the values
  int y_translate = map(UD, 0, 1023, 8, 0);  

  lc.clearDisplay(0);
  lc.setLed(0,y_translate,x_translate,true);  
  lc.setLed(0,y_translate-1,x_translate,true);  
  lc.setLed(0,y_translate,x_translate-1,true);  
  lc.setLed(0,y_translate-1,x_translate-1,true);  

  button = digitalRead(SEL);

  if (button == 0){
    x_coordinate = 3;
    y_coordinate = 3;
    EEPROM.write(9,2);
    lcd.setCursor(6,6);
    lcd.print ("          ");
    lcd.setCursor(6,6);
    lcd.print("Remote ->");
  }

    if (IrReceiver.decode()) {
    IrReceiver.resume();
    
    int command = IrReceiver.decodedIRData.command;
    switch (command) {
    case IR_BUTTON_POWER: {
        Serial.println("POWER");
        x_coordinate = 3;
        y_coordinate = 3;
        EEPROM.write(9,2);
        lcd.setCursor(6,6);
        lcd.print ("          ");
        lcd.setCursor(6,6);
        lcd.print("Remote ->");
        break;
      }
    }
    }

  // not in shutdown mode
  delay(50);
}

  //Remote time
  if (EEPROM.read(9) == 2){

    lc.clearDisplay(0);
    lc.setLed(0,y_coordinate,x_coordinate,true);  
    lc.setLed(0,y_coordinate,x_coordinate+1,true);  
    lc.setLed(0,y_coordinate+1,x_coordinate,true);  
    lc.setLed(0,y_coordinate+1,x_coordinate+1,true); 

    if (IrReceiver.decode()) {
    IrReceiver.resume();
    
    int command = IrReceiver.decodedIRData.command;
    switch (command) {
      case IR_BUTTON_UP: {
        Serial.println("UP");
        if (y_coordinate >= 0){
          y_coordinate = y_coordinate - 1;
        }
        break;
      }
      case IR_BUTTON_DOWN: {
        Serial.println("DOWN");
        if (y_coordinate <=6){
          y_coordinate = y_coordinate + 1;
        }
        break;
      }
      case IR_BUTTON_LEFT: {
        Serial.println("LEFT");
        if (x_coordinate <= 6){
          x_coordinate = x_coordinate + 1;
        }
        break;
      }
      case IR_BUTTON_RIGHT: {
        Serial.println("RIGHT");
        if (x_coordinate >= 0){
          x_coordinate = x_coordinate -1;
        }
        break;
      }
      case IR_BUTTON_POWER: {
        Serial.println("POWER");
        x_coordinate = 3;
        y_coordinate = 3;
        EEPROM.write(9,1);
        lcd.setCursor(6,6);
        lcd.print ("          ");
        lcd.setCursor(6,6);
        lcd.print("Joystick !");
        break;
      }
      default: {
        Serial.println("Button not recognized");
      }
    }
  }

      button = digitalRead(SEL);
      
      if (button == 0){
        EEPROM.write(9,1);
        lcd.print ("          ");
        lcd.setCursor(6,6);
        lcd.print("Joystick !");
      }

    delay (50);
  }
}