#include <Arduino.h>

#define fixture4Button 0
#define fixture5Button A3

#define fixture1 3
#define fixture2 4
#define fixture3 5
#define fixture4 6
#define fixture5 7
#define fixture6 8
#define fixture7 9
#define fixture8 10

unsigned char fixtureArray[8] = {fixture1, fixture2, fixture3, fixture4,
                                 fixture5, fixture6, fixture7, fixture8};

class PushButton {
 public:
  PushButton(uint8_t pin)  // Constructor (executes when a PushButton object is
                           // created)
      : pin(pin) {         // remember the push button pin
    pinMode(pin, INPUT_PULLUP);  // enable the internal pull-up resistor
  };
  bool isPressed()  // read the button state check if the button has been
                    // pressed, debounce the button as well
  {
    bool pressed = false;
    bool state = digitalRead(pin);  // read the button's state
    int8_t stateChange =
        state - previousState;  // calculate the state change since last time

    if (stateChange ==
        falling) {  // If the button is pressed (went from high to low)
      if (millis() - previousBounceTime >
          debounceTime) {  // check if the time since the last bounce is higher
                           // than the threshold
        pressed = true;    // the button is pressed
      }
    }
    if (stateChange == rising) {      // if the button is released or bounces
      previousBounceTime = millis();  // remember when this happened
    }

    previousState = state;  // remember the current state
    // return pressed;  // return true if the button was pressed and didn't
    // bounce
    if (state == LOW) {
      return true;
    } else {
      return false;
    }
  };

 private:
  uint8_t pin;
  bool previousState = HIGH;
  unsigned long previousBounceTime = 0;

  const static unsigned long debounceTime = 25;
  const static int8_t rising = HIGH - LOW;
  const static int8_t falling = LOW - HIGH;
};

void massPinMode(unsigned char pins[], unsigned char state) {
  unsigned char i;
  for (i = 0; i < sizeof fixtureArray; i++) pinMode(pins[i], state);
}

void massDigitalWrite(unsigned char pins[], unsigned char length,
                      unsigned char state) {
  unsigned char i;
  for (i = 0; i < length; i++) digitalWrite(pins[i], state);
}

PushButton Button4(fixture4Button);
PushButton Button5(fixture5Button);

void setup() {
  Serial.begin(9600);
  Serial.println("ready!");
  massPinMode(fixtureArray, OUTPUT);
  massDigitalWrite(fixtureArray, sizeof fixtureArray, HIGH);
}

void loop() {
  if (Button4.isPressed()) {
    digitalWrite(fixture4, LOW);
  }
  if (!Button4.isPressed()) {
    digitalWrite(fixture4, HIGH);
  }
  if (Button5.isPressed()) {
    digitalWrite(fixture5, LOW);
  }
  if (!Button5.isPressed()) {
    digitalWrite(fixture5, HIGH);
  }
}