#include <Wire.h>
#include <MPU6050_light.h>
#include <Mouse.h>

MPU6050 mpu(Wire);
unsigned long timer = 0;
int Xang, Yang, Zang;
int leftButtonPin = 7;
int middleButtonPin = 8;
int rightButtonPin = 9;

void setup() {
  pinMode(leftButtonPin, INPUT_PULLUP);
  pinMode(middleButtonPin, INPUT_PULLUP);
  pinMode(rightButtonPin, INPUT_PULLUP);

  Wire.begin();
  byte status = mpu.begin();
  while (status != 0) {}

  delay(1000);
  mpu.calcOffsets();

  Mouse.begin();
  // Keyboard.begin(); // Commented out because Keyboard is not used in this code
}

void loop() {
  mpu.update();

  if ((millis() - timer) > 60) {
    // Reading the MPU data
    Xang = mpu.getAngleX();
    Yang = mpu.getAngleY();
    Zang = mpu.getAngleZ();

    int leftButtonState = digitalRead(leftButtonPin);
    int middleButtonState = digitalRead(middleButtonPin);
    int rightButtonState = digitalRead(rightButtonPin);

    static bool leftButtonFlag = false;
    static bool middleButtonFlag = false;
    static bool rightButtonFlag = false;

    if (leftButtonState > 0) {
      if (leftButtonFlag) {
        Mouse.release(MOUSE_LEFT);
        leftButtonFlag = false;
      }
    } else {
      Mouse.press(MOUSE_LEFT);
      leftButtonFlag = true;
    }

    if (middleButtonState > 0) {
      if (middleButtonFlag) {
        Mouse.release(MOUSE_MIDDLE);
        middleButtonFlag = false;
      }
    } else {
      Mouse.press(MOUSE_MIDDLE);
      middleButtonFlag = true;
    }

    if (rightButtonState > 0) {
      if (rightButtonFlag) {
        Mouse.release(MOUSE_RIGHT);
        rightButtonFlag = false;
      }
    } else {
      Mouse.press(MOUSE_RIGHT);
      rightButtonFlag = true;
    }

    if ((Yang > 6) || (Yang < -6) || (Xang > 6) || (Xang < -6)) {
      if (Yang > 6) {
        Yang = map(Yang, 6, 10, 1, 10);
      } else if (Yang < -6) {
        Yang = map(Yang, -10, -6, -10, -1);
      } else if (Xang > 6) {
        Xang = map(Xang, 6, 10, 1, 10);
      } else if (Xang < -6) {
        Xang = map(Xang, -10, -6, -10, -1);
      }
      Mouse.move(Yang, Xang, 0);
    }
    timer = millis();
  }
}