#include <ISALedControl.h>
#include <ISADefinitions.h>
#include <ISA7SegmentDisplay.h>
#include <ISALiquidCrystal.h>
#include <ISADefinitions.h>
#include <ISAButtons.h>

ISALiquidCrystal lcd;
ISA7SegmentDisplay sseg;
ISALedControl lc;
ISAButtons button;


  int x = 4, y = 4;
  int ex = 6, ey =6;
  int points = 0;

int getRandomNumber(){
  return random(0,7);
}

void setup()
{
 lcd.begin();
 lcd.clear();
 lc.init();
 sseg.init();

 lc.setLed(x, y, true);

 pinMode(KEY_LEFT, INPUT);
 pinMode(KEY_RIGHT, INPUT);

 pinMode(KEY_UP, INPUT);
 pinMode(KEY_DOWN, INPUT);

 for(int i=0; i<8; i++){
    pinMode(LEDS[i], OUTPUT);
  }

}
void loop() {

 bool right = !digitalRead(KEY_RIGHT);
 bool left = !digitalRead(KEY_LEFT);

 bool up = !digitalRead(KEY_UP);
 bool down = !digitalRead(KEY_DOWN);

 lc.setLed(ex, ey, true);

 sseg.displayDigit(x+1, 3);
 sseg.displayDigit(y+1, 2);
 sseg.displayDigit(ex+1, 1);
 sseg.displayDigit(ey+1, 0);
 if(up){
   lc.setLed(x, y, false);
   x = x - 1;
   lc.setLed(x, y, true);
 }else if(down){
   lc.setLed(x, y, false);
   x = x + 1;
   lc.setLed(x, y, true);
 }else if(left){
   lc.setLed(x, y, false);
   y = y - 1;
   lc.setLed(x, y, true);
 }else if(right){
   lc.setLed(x, y, false);
   y = y + 1;
   lc.setLed(x, y, true);
 }else if(x == ex && y == ey){
  points++;
  for(int i=0; i < points; i++){
    digitalWrite(LEDS[i], HIGH);
  }

  ex = getRandomNumber();
  ey = getRandomNumber();
 }else if(points >7){
  lcd.print(" !  You win  !");
  delay(1000);
  lcd.clear();
 }

 delay(100);
}