// Group 12
//1.Sam Moses             [email protected]          30128306
//2.Marc Gauvin           [email protected]         30132685
//3.Xavier Champagne      [email protected]    30113963
//4.Yahye Bashey          [email protected]       30108680
//5.Michael Pullishy      [email protected]

#include <IRremote.h>  //including infrared remote header file     
#include <LiquidCrystal.h>
#include <LedControl.h>

const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2; //defining LCD pins
int RECV_PIN  = 7; // the pin where you connect the output pin of IR sensor     

IRrecv receiver(RECV_PIN );   
//decode_results results; 
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);


int DIN = 33;  //defining dot matrix pins
int CS = 31;
int CLK = 29;
int x = 3;    //initial coords of one corner of the rectangle
int y = 3;
int xPosition = 0;
int yPosition = 0;
int SW_state = 0;
int mapX = 0;
int mapY = 0;
int VRx = A15;  //Defining Joystick pins
int VRy = A13;
int SW = 22;

LedControl lc=LedControl(DIN, CLK, CS,0);   //Starting the dot matrix

boolean remoteActive = false;   //Setting use of the joystick as default

unsigned long key_value = 0;

void setup(){
  Serial.begin(9600);
  lcd.begin(16, 2);     
  receiver.enableIRIn(); // Start the IR receiver
  //lcd.print("Ready"); 
  lcd.setCursor(0, 1); 

  pinMode(VRx, INPUT);  //Making sure that the pins connected to the joystick are considered as input pins by the microprocessor
  pinMode(VRy, INPUT);
  pinMode(SW, INPUT_PULLUP); //Making pin for joystick pushdown and input pin, and setting initial signal to HIGH (joystick is on)

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

  lc.setLed(0,x,y,true);  //Forming the initial rectangle
  delay(100);             //juicy startup animation
  lc.setLed(0,x+1,y,true);
  delay(100);
  lc.setLed(0,x+1,y+1,true);
  delay(100);
  lc.setLed(0,x,y+1,true);
  delay(150);
  lc.clearDisplay(0);
  delay(250);
  printBox();
}

void loop(){
  if(remoteActive){  //this will happen after one iteration of joystick, if the user presses center button
    remote();
  }
  if(!remoteActive){  //This is called initially, because joystick is set to default
    joystick();
  }
  
}

void printBox(){ //This keeps the rectangle within the dot-matrix display
  if(x < 0){x = -1;}
  if(x > 7){x = 7;}
  if(y < 0){y = -1;}
  if(y > 7){y = 7;}
  lc.clearDisplay(0);
  lc.setLed(0,x,y,true);
  lc.setLed(0,x+1,y,true);
  lc.setLed(0,x+1,y+1,true);
  lc.setLed(0,x,y+1,true);
}

void remote(){
  lcd.print("Mode: Remote");
  if (receiver.decode()) { //check if IR has been decoded properly
 
        //Cases correspond to pulse codes from Volume and forward/back buttons
       switch (receiver.decodedIRData.command){ 
          case 162:  
          remoteActive = false;
          lcd.print("Power");
          break;
          case 224:
          y = y + 1;  // move the box upword
          printBox();
          delay(100);
          //lcd.print("Volume +");
          break;
          case 2:
          x = x - 1;  // move the box to left
          printBox();
          delay(100);
          //lcd.print("|<<");
          break;
          case 152:
          x = x + 1;    // move the box to the right
          printBox();
          delay(100);
          //lcd.print(">>|");
          break ; 
          case 144:
          y = y - 1;    // move the box downword
          //lcd.print("Volume -");
          printBox();
          delay(100);
          break ;    
        }
        receiver.resume(); 
  }
  delay(300);
  lcd.clear();  
}

void joystick(){
  lcd.print("Mode: Joystick");
  xPosition = analogRead(VRx);  //Get Left or Right from joystick
  yPosition = analogRead(VRy);  //Get Up or Down from joystick
  SW_state = digitalRead(SW);   
  mapX = map(xPosition, 0, 1023, -512, 512);  //map 0 or 1 from the joystick to -512 or 512, respectively
  mapY = map(yPosition, 0, 1023, -512, 512);  

  Serial.print("X: ");
  Serial.print(mapX);
  Serial.print(" | Y: ");
  Serial.print(mapY);
  Serial.print(" | Button: ");
  Serial.println(SW_state);
  //move according to joystick
  if(mapX > 500){
    x = x - 1;    // move the box to left
    printBox();
   
  }
  if(mapX < -500){
    x = x + 1;  // move the box to the righ
    printBox();
 
  }
  if(mapY > 500){
    y = y +1;  // move the box up
    printBox();
  }
  if(mapY < -500){
    y = y - 1;   // move the box down
    printBox();
  }
  if(SW_state == 0){
    remoteActive = true;  //if middle button is pressed, activate remote
  }
  delay(100);
  lcd.clear();
}