#include <LiquidCrystal.h>
#include "pitches.h"
#include <Servo.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
Servo myServo; 
int const potPin = A0; 
int potVal;  
int angle;  
int length,length_Edelweiss;
int tonepin = 5;
int melody[] = {
  NOTE_C5, NOTE_C5, NOTE_G5, NOTE_G5, NOTE_A5, NOTE_A5, NOTE_G5,
  NOTE_F5, NOTE_F5, NOTE_E5, NOTE_E5, NOTE_D5, NOTE_D5, NOTE_C5,
  NOTE_G5, NOTE_G5, NOTE_F5, NOTE_F5, NOTE_E5, NOTE_E5, NOTE_D5,
  NOTE_G5, NOTE_G5, NOTE_F5, NOTE_F5, NOTE_E5, NOTE_E5, NOTE_D5,
  NOTE_C5, NOTE_C5, NOTE_G5, NOTE_G5, NOTE_A5, NOTE_A5, NOTE_G5,
  NOTE_F5, NOTE_F5, NOTE_E5, NOTE_E5, NOTE_D5, NOTE_D5, NOTE_C5
};

int melody_Edelweiss[] = {
  NOTE_C5,NOTE_E5,NOTE_D6,NOTE_C6,NOTE_G5,NOTE_F5,
  NOTE_C5,NOTE_C5,NOTE_C5,NOTE_D5,NOTE_E5,NOTE_F5,NOTE_E5,
  NOTE_C5,NOTE_E5,NOTE_D6,NOTE_C6,NOTE_G5,NOTE_F5,
  NOTE_C5,NOTE_E5,NOTE_E5,NOTE_F5,NOTE_G5,NOTE_A5,NOTE_A6
};

float duration[] = {
  1, 1, 1, 1, 1, 1, 2,
  1, 1, 1, 1, 1, 1, 2,
  1, 1, 1, 1, 1, 1, 2,
  1, 1, 1, 1, 1, 1, 2,
  1, 1, 1, 1, 1, 1, 2,
  1, 1, 1, 1, 1, 1, 2
};

float duration_Edelweiss[] = {
  2,1,3,2,1,3,
  2,1,1,1,1,3,3,
  2,1,3,2,1,3,
  2,1,1,1,1,3,3
  };

void setup()
{
  myServo.attach(6); 
  Serial.begin(9600); 
  pinMode(tonepin, OUTPUT);
  length = sizeof(melody) / sizeof(melody[0]);
  length_Edelweiss = sizeof(melody_Edelweiss) / sizeof(melody_Edelweiss[0]);

  lcd.begin(16, 2);
}

void loop() {
  potVal = analogRead(potPin); 
  Serial.print("potVal: ");
  Serial.print(potVal);
  angle = map(potVal, 0, 1023, 0, 179);
  Serial.print(", angle: ");
  Serial.println(angle);
  myServo.write(angle);
  delay(15);



  lcd.clear();
  if (analogRead(A0) <= 300)
  { 
    lcd.print("Twinkle Twinkle");
    lcd.setCursor(0,1);
    lcd.print("Little Star");
    for (int thisNote = 0; thisNote < length; thisNote++) {
      int noteDuration = 250 * duration[thisNote];
      tone(tonepin, melody[thisNote], noteDuration);
      int pauseBetweenNotes = noteDuration * 1.20;
      delay(pauseBetweenNotes);
    }
    
  }
  else if (analogRead(A0) <= 700) {
    delay(2000);
    lcd.print("mute");
    noTone(tonepin);
    delay(2000);
  }
  else {
    lcd.print("Edelweiss");
    for (int thisNote = 0; thisNote < length_Edelweiss; thisNote++) {
      int noteDuration = 250 * duration_Edelweiss[thisNote];
      tone(tonepin, melody_Edelweiss[thisNote], noteDuration);

      // to distinguish the notes, set a minimum time between them.
      // the note's duration + 30% seems to work well:
      int pauseBetweenNotes = noteDuration * 1.30;
      delay(pauseBetweenNotes);
      // stop the tone playing:
      //noTone(tonepin);
    }
    delay(2000);
  }
}