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

//Val = map(analog_val, 0, 1023, -10, 10);
int joy_x;
int x;
int y;
int joy_y;
int DIN = 8;
int CS = 9;
int CLK = 10;
int SEL = 2; //button of joystick

//IR receiver 
const int RECV_PIN=17; //signal pin on pin 17
unsigned long up = 4244832000;
unsigned long down = 1738080000;
unsigned long rvs = 534839040;
unsigned long fwd = 1871773440;
unsigned long power = 1570963200; 


LedControl lc = LedControl(DIN, CLK, CS, 0);

//LCD setup -- pins
const int rs=12, en=11, d4=5, d5=4, d6=6, d7=7; 
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

//mode (joystick or RS)
int mode=0;
//mode 1 = joystick
//mode 2 = IR remote


void setup() {
  lc.shutdown(0,false);
  lc.setIntensity(0,0);
  lc.clearDisplay(0);
  Serial.begin(9600);
  pinMode(SEL, INPUT);

  IrReceiver.begin(RECV_PIN); 

  lcd.begin(16,2);


}

void loop() {
  joy_x = analogRead(A0);
  joy_y = analogRead(A1);

  lcd.clear();
  lcd.setCursor(0,0);
  
  Serial.println(mode);
  lcd.print("Mode: ");

  if (mode==1){
    lcd.print("JOYSTICK");
  }
  else if (mode==2){
    lcd.print("REMOTE");
  }
  else{
    lcd.print(" ");
  }
  

  //check mode
  if (digitalRead(2)==HIGH){
    mode = 1; //joystick
  }
  else if (IrReceiver.decodedIRData.decodedRawData == power){
    mode = 2; //IR remote
  }



  lc.setLed(0,y,x,true);
  lc.setLed(0, y-1, x-1, true);
  lc.setLed(0, y, x-1, true);
  lc.setLed(0, y-1, x, true);


if (mode==1){
  x = map(joy_x, 0, 1023, 6, 0);
  y = map(joy_y, 0, 1023, 0, 6);
  for (int j=0; j<8; j++){
    for (int i=0; i<8; i++){
      if (i==x and j==y){}
      else if (i==x+1 and j==y){}
      else if (i==x+1 and j==y+1){}
      else if (i==x and j==y+1){}
      else{
        lc.setLed(0, 7-j, 7-i, false);
      }

    }
  }
  //lc.setLed(0,7,0,true);
  lc.setLed(0,7-y,7-x,true);
  lc.setLed(0,7-y-1,7-x,true);
  lc.setLed(0,7-y,7-x-1,true);
  lc.setLed(0,7-y-1,7-x-1,true);
}

  
  //IR reciever -- reading inputs (Original code)
  if (IrReceiver.decode()){  //0 if no data ready, 1 if data ready
    //Serial.print("Code: ");
    //Serial.println(IrReceiver.decodedIRData.decodedRawData);
    //returns raw decoded value, 32 bits
    IrReceiver.resume(); //ready to recieve next value
  } 

  //remote
  //up

  //down

  //right

  //left

  delay(200);

}