#include "Button.h"

Button greenButton(A0);
Button blueButton(A1);
Button redButton(A2);

int pow13 = 13;

int segment_h = 1;
int segment_a = 2;
int segment_b = 3;
int segment_c = 4;
int segment_d = 5;
int segment_e = 6;
int segment_f = 7;
int segment_g = 8;

int timer_alarm = 0;
int units = 0;

void setup() {
  Serial.begin(115200);
  pinMode(segment_a, OUTPUT);
  pinMode(segment_b, OUTPUT);
  pinMode(segment_c, OUTPUT);
  pinMode(segment_d, OUTPUT);
  pinMode(segment_e, OUTPUT);
  pinMode(segment_f, OUTPUT);
  pinMode(segment_g, OUTPUT);
  pinMode(segment_h, OUTPUT);
  
  pinMode(pow13, OUTPUT);
}


void display(int number) {
  digitalWrite(pow13, HIGH);
  switch(number)
    {
      case 0:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, LOW);
      digitalWrite(segment_e, LOW);
      digitalWrite(segment_f, LOW);
      digitalWrite(segment_g, HIGH);
      digitalWrite(segment_h, HIGH);
      break;

      case 1:
      digitalWrite(segment_a, HIGH);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, HIGH);
      digitalWrite(segment_e, HIGH);
      digitalWrite(segment_f, HIGH);
      digitalWrite(segment_g, HIGH);
      digitalWrite(segment_h, HIGH);
      break;

      case 2:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, HIGH);
      digitalWrite(segment_d, LOW);
      digitalWrite(segment_e, LOW);
      digitalWrite(segment_f, HIGH);
      digitalWrite(segment_g, LOW);
      digitalWrite(segment_h, HIGH);
      break;

      case 3:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, LOW);
      digitalWrite(segment_e, HIGH);
      digitalWrite(segment_f, HIGH);
      digitalWrite(segment_g, LOW);
      digitalWrite(segment_h, HIGH);
      break;

      case 4:
      digitalWrite(segment_a, HIGH);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, HIGH);
      digitalWrite(segment_e, HIGH);
      digitalWrite(segment_f, LOW);
      digitalWrite(segment_g, LOW);
      digitalWrite(segment_h, HIGH);
      break;

      case 5:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, HIGH);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, LOW);
      digitalWrite(segment_e, HIGH);
      digitalWrite(segment_f, LOW);
      digitalWrite(segment_g, LOW);
      digitalWrite(segment_h, HIGH);
      break;

      case 6:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, HIGH);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, LOW);
      digitalWrite(segment_e, LOW);
      digitalWrite(segment_f, LOW);
      digitalWrite(segment_g, LOW);
      digitalWrite(segment_h, HIGH);
      break;

      case 7:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, HIGH);
      digitalWrite(segment_e, HIGH);
      digitalWrite(segment_f, HIGH);
      digitalWrite(segment_g, HIGH);
      digitalWrite(segment_h, HIGH);
      break;

      case 8:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, LOW);
      digitalWrite(segment_e, LOW);
      digitalWrite(segment_f, LOW);
      digitalWrite(segment_g, LOW);
      digitalWrite(segment_h, HIGH);
      break;

      case 9:
      digitalWrite(segment_a, LOW);
      digitalWrite(segment_b, LOW);
      digitalWrite(segment_c, LOW);
      digitalWrite(segment_d, LOW);
      digitalWrite(segment_e, HIGH);
      digitalWrite(segment_f, LOW);
      digitalWrite(segment_g, LOW);
      digitalWrite(segment_h, HIGH);
      break;
    }
  digitalWrite(pow13, LOW);
}


void loop() {
  display(timer_alarm); 

  if (greenButton.pressed()) {
    if (timer_alarm < 99) {
      timer_alarm = timer_alarm + 1;
    } else {
      timer_alarm = 99;
    }
  }
  if (blueButton.pressed()) {
    if (timer_alarm > 0) {
      timer_alarm = timer_alarm - 1;
    } else {
      timer_alarm = 0;
    }
  }
  if (redButton.pressed()) {
    Serial.println('r');
    Serial.println(timer_alarm);
  }

}