// ME708 Individual Project
// The University of Kansas
// Simona Vaitkune
// Arduino Rising Clock Code


// Including the necessary libraries
#include <Adafruit_NeoPixel.h>
#include <Wire.h>
#include <RTClib.h>

#define LED_PIN    9    // Pin connected to the LED strip
#define LED_COUNT  60   // Number of LEDs in the strip
#define ALARM_HOUR 17   // Alarm hour (24-hour format) - adjust as needed
#define ALARM_MIN  56  // Alarm minute - adjust as needed
#define SPEAKER_PIN 12   // Piezo speaker pin


// Required modules for RTC module and LED strip
RTC_DS3231 rtc;
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

// Defining
bool alarmTriggered = false;
unsigned long alarmStartTime;
bool alarmReset = false;
DateTime lastAlarmTime;

// Happy Birthday song notes and durations
#define NOTE_G4 392
#define NOTE_A4 440
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_D5 587
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_G5 784

int melody[] = {
  NOTE_G4, NOTE_G4, NOTE_A4, NOTE_G4, NOTE_C5, NOTE_B4, 
  NOTE_G4, NOTE_G4, NOTE_A4, NOTE_G4, NOTE_D5, NOTE_C5,
  NOTE_G4, NOTE_G4, NOTE_G5, NOTE_E5, NOTE_C5, NOTE_B4,
  NOTE_A4, NOTE_F5, NOTE_F5, NOTE_E5, NOTE_C5, NOTE_D5,
  NOTE_C5
};

int noteDurations[] = {
  4, 4, 4, 4, 4, 2, 
  4, 4, 4, 4, 4, 2,
  4, 4, 4, 4, 4, 2,
  4, 4, 4, 4, 4, 2,
  1
};

void setup() {
  Serial.begin(9600);
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  pinMode(SPEAKER_PIN, OUTPUT); // Set the speaker pin as an output

  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  if (rtc.lostPower()) {
    Serial.println("RTC lost power, let's set the time!");
    // Set the time to whichever you define
    rtc.adjust(DateTime(2024, 5, 01, 11, 36, 0)); // Year, Month, Day, Hour, Minute, Second
  }
}

void loop() {
  DateTime now = rtc.now();

  int currentHour = now.hour();
  int currentMin = now.minute();

  // Display current time on Serial Monitor
  Serial.print("Current Time: ");
  Serial.print(currentHour);
  Serial.print(":");
  if (currentMin < 10) {
    Serial.print("0"); // Add leading zero for minutes < 10
  }
  Serial.println(currentMin);

  // Check if it's time to reset the alarm
  if (alarmReset && now.hour() == lastAlarmTime.hour() && now.minute() == lastAlarmTime.minute()) {
    alarmTriggered = false; // Reset the alarmTriggered flag
    alarmReset = false;     // Reset the alarmReset flag
  }

  // Check if it's time for the alarm to trigger
  if (currentHour == ALARM_HOUR && currentMin == ALARM_MIN && !alarmTriggered) {
    // Alarm time reached, activate rising effect
    alarmTriggered = true;
    alarmStartTime = millis(); // Record the time the alarm was triggered
    lastAlarmTime = now;       // Record the last alarm time
    alarmReset = true;         // Set the flag to reset the alarm after 24 hours

    // Play Happy Birthday
    for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
      int noteDuration = 1000 / noteDurations[i];
      tone(SPEAKER_PIN, melody[i], noteDuration);
      delay(noteDuration * 1.30); // Add a small delay between notes for a better sound
      noTone(SPEAKER_PIN);
    }

   // Gradually change colors and increase brightness every minute for 10 minutes
int maxBrightness = 255;
int duration = 10; // Duration of the color and brightness transition in seconds
for (int i = 0; i < duration * 60; i++) { // Loop for 'duration' minutes

  // Calculate the brightness level and color for this minute
  int brightness = map(i, 0, duration * 60, 0, maxBrightness); // Range 0-maxBrightness
  int red = map(i, 0, duration * 60, 0, 255); // Range 0-255 for red
  int green = map(i, 0, duration * 60, 0, 255); // Range 0-255 for green
  int blue = map(i, 0, duration * 60, 0, 255); // Range 0-255 for blue
  
  // Set the brightness and color for all LEDs
  for (int j = 0; j < LED_COUNT; j++) {
    strip.setPixelColor(j, strip.Color(red, green, blue)); // Set color of LED 'j'
  }
  strip.setBrightness(brightness); // Set brightness level
  strip.show(); // Update LED strip
  delay(1000); // Delay for 1 second (1 minute divided by 60)
}



    // Turn off the LED strip after 10 minutes
    for (int i = 0; i < LED_COUNT; i++) {
      strip.setPixelColor(i, strip.Color(0, 0, 0)); // Turn off all LEDs
    }
    strip.show();
  }

  // Check if it's time to reset the alarm for the next day
  if (currentHour == ALARM_HOUR && currentMin == ALARM_MIN && alarmReset) {
    alarmReset = false; // Reset the alarmReset flag
  }
}