#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Wire.h>

#include "RTClib.h"

RTC_DS1307 rtc;

char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};


#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1  // Reset pin is not used

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

#define buttonPinUp 2
#define buttonPinDown 3
#define buttonPinSelect 1

const int TIME = 1000;

#define ledRED1 13 
#define ledRED2 12 
#define ledRED3 11
#define ledRED4 10 

#define ledORG1 9
#define ledORG2 8
#define ledORG3 7
#define ledORG4 6

#define ledYEL1 5
#define ledYEL2 4
#define ledYEL3 A0
#define ledYEL4 A1

#define ledGRN1 A2
#define ledGRN2 A3
#define ledGRN3 A6
#define ledGRN4 A7

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }

  pinMode(buttonPinUp, INPUT_PULLUP);
  pinMode(buttonPinDown, INPUT_PULLUP);
  pinMode(buttonPinSelect, INPUT_PULLUP);

  pinMode(ledRED1, OUTPUT);
  pinMode(ledRED2, OUTPUT);
  pinMode(ledRED3, OUTPUT);
  pinMode(ledRED4, OUTPUT);

  pinMode(ledORG1, OUTPUT);
  pinMode(ledORG2, OUTPUT);
  pinMode(ledORG3, OUTPUT);
  pinMode(ledORG4, OUTPUT);

  pinMode(ledYEL1, OUTPUT);
  pinMode(ledYEL2, OUTPUT);
  pinMode(ledYEL3, OUTPUT);
  pinMode(ledYEL4, OUTPUT);

  pinMode(ledGRN1, OUTPUT);
  pinMode(ledGRN2, OUTPUT);
  pinMode(ledGRN3, OUTPUT);
  pinMode(ledGRN4, OUTPUT);

  //pinMode(buttonPinSelect, INPUT_PULLUP);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(SSD1306_WHITE);
  display.print("TIME:");
  display.display();

}


void ledRotation(){

    //RED LED
    digitalWrite(ledRED1, HIGH);
    delay(TIME);
    digitalWrite(ledRED1, LOW);
    delay(TIME);

    digitalWrite(ledRED2, HIGH);
    delay(TIME);
    digitalWrite(ledRED2, LOW);
    delay(TIME);

    digitalWrite(ledRED3, HIGH);
    delay(TIME);
    digitalWrite(ledRED3, LOW);
    delay(TIME);

    digitalWrite(ledRED4, HIGH);
    delay(TIME);
    digitalWrite(ledRED4, LOW);
    delay(TIME);

    //ORANGE LED
    digitalWrite(ledORG1, HIGH);
    delay(TIME);
    digitalWrite(ledORG1, LOW);
    delay(TIME);

    digitalWrite(ledORG2, HIGH);
    delay(TIME);
    digitalWrite(ledORG2, LOW);
    delay(TIME);

    digitalWrite(ledORG3, HIGH);
    delay(TIME);
    digitalWrite(ledORG3, LOW);
    delay(TIME);

    digitalWrite(ledORG4, HIGH);
    delay(TIME);
    digitalWrite(ledORG4, LOW);
    delay(TIME);

    //YELLOW LED
    digitalWrite(ledYEL1, HIGH);
    delay(TIME);
    digitalWrite(ledYEL1, LOW);
    delay(TIME);

    digitalWrite(ledYEL2, HIGH);
    delay(TIME);
    digitalWrite(ledYEL2, LOW);
    delay(TIME);

    digitalWrite(ledYEL3, HIGH);
    delay(TIME);
    digitalWrite(ledYEL3, LOW);
    delay(TIME);

    digitalWrite(ledYEL4, HIGH);
    delay(TIME);
    digitalWrite(ledYEL4, LOW);
    delay(TIME);

    //GREEN LED
    digitalWrite(ledGRN1, HIGH);
    delay(TIME);
    digitalWrite(ledGRN1, LOW);
    delay(TIME);

    digitalWrite(ledGRN2, HIGH);
    delay(TIME);
    digitalWrite(ledGRN2, LOW);
    delay(TIME);

    digitalWrite(ledGRN3, HIGH);
    delay(TIME);
    digitalWrite(ledGRN3, LOW);
    delay(TIME);

    digitalWrite(ledGRN4, HIGH);
    delay(TIME);
    digitalWrite(ledGRN4, LOW);
    delay(TIME);
}

void loop() {
  // put your main code here, to run repeatedly:
  ledRotation();

}