#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

// For the Adafruit shield, these are the default.
#define TFT_DC 9
#define TFT_CS 10

// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
// If using the breakout, change pins as desired
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);

void setup() {
  Serial.begin(9600);
  Serial.println("ILI9341 Test!"); 
 
  tft.begin();

  Serial.println(F("Done!"));
  tft.setRotation(1);

  
  int h = tft.height();
  tft.drawRect(0,0, tft.width(), tft.height(), ILI9341_WHITE);

  pinMode(A0, INPUT);
  pinMode(A1, INPUT);


}

int ballx = 12;
int bally = 66;
int xVelocity = 1;
int yVelocity = -1;
int wallLeft = 0;
int wallRight = 0;
int timeInterval = 0;
bool game = true;

int drawWalls(){
  if(wallLeft != map(analogRead(A0), 0, 1023, 17, tft.height()-17)){
    tft.drawLine(10, wallLeft - 16, 10, wallLeft + 16, ILI9341_BLACK);
    wallLeft = map(analogRead(A0), 0, 1023, 17, tft.height()-17);
    tft.drawLine(10, wallLeft - 16, 10, wallLeft + 16, ILI9341_WHITE);
  }
  if(wallRight != map(analogRead(A1), 0, 1023, 17, tft.height()-17)){
    tft.drawLine(tft.width()-10, wallRight - 16, tft.width()-10, wallRight + 16, ILI9341_BLACK);
    wallRight = map(analogRead(A1), 0, 1023, 17, tft.height()-17);
    tft.drawLine(tft.width()-10, wallRight - 16, tft.width()-10, wallRight + 16, ILI9341_WHITE);
  }
}

int between(bool Left = false, bool right = false){
  Serial.println("finished 5 ssecond brreak");
  for(int i; i<=200; i++){
    drawWalls();
    delay(25);
  }
  Serial.println("finished 5 ssecond brreak");
  if(Left){
    ballx = tft.width()-13;
    bally = wallRight;
  }else{
    ballx = 12;
    bally = wallLeft;
  }
  tft.fillCircle(ballx, bally, 1, ILI9341_WHITE);
  while (true){
    if(right && wallLeft > map(analogRead(A0), 0, 1023, 17, tft.height()-17)){
      Serial.println("1");
      yVelocity = -1;
      xVelocity = 1;
      break;
    }
    if(right && wallLeft < map(analogRead(A0), 0, 1023, 17, tft.height()-17)){
      Serial.println("2");
      yVelocity = 1;
      xVelocity = 1;
      break;
    }
    if(Left && wallRight > map(analogRead(A1), 0, 1023, 17, tft.height()-17)){
      Serial.println("3");
      yVelocity = -1;
      xVelocity = -1;
      break;
    }
    if(Left && wallRight < map(analogRead(A1), 0, 1023, 17, tft.height()-17)){
      Serial.println("4");
      yVelocity = 1;
      xVelocity = -1;
      break;
    }
    drawWalls();
    delay(25);
  }
}

void loop(void) {
  drawWalls();
  if(game){
    tft.fillCircle(ballx, bally, 1, ILI9341_BLACK);
  }
  ballx += xVelocity;
  bally += yVelocity;
  if(bally>=tft.height()-2){
    ballx -= xVelocity;
    bally -= yVelocity;
    yVelocity *= -1;
    ballx += xVelocity;
    bally += yVelocity;
  }else if(bally<2){
    yVelocity *= -1;
    ballx += xVelocity;
    bally += yVelocity;
  }
  if(ballx == 11 && bally>=wallLeft-16 && bally <= wallLeft + 16){
    xVelocity *= -1;
    ballx += xVelocity;
    bally += yVelocity;
  }else if(ballx == tft.width()-11 && bally >= wallRight - 16 && bally <= wallRight+16){
    xVelocity *= -1;
    ballx += xVelocity;
    bally += yVelocity;
  }
  if(ballx<=10 && xVelocity != 0 && yVelocity != 0){
    Serial.println("right side point!");
    xVelocity = 0;
    yVelocity = 0;
    between(true);
  }else if(ballx>=tft.width()-10 && xVelocity != 0 && yVelocity != 0){
    Serial.println("left side point!");
    xVelocity = 0;
    yVelocity = 0;
    between(false, true);
  }
  tft.fillCircle(ballx, bally, 1, ILI9341_WHITE);
  delay(10);
}