//Designing for IoT 10/31/2019
//Anna Krakora
//Creative Project 1, Internet of Plants

//Code outline from https://diotlabs.daraghbyrne.me/docs/working-with-sensors
//Imperial march code from https://gist.github.com/nicksort/4736535

//Initiate photoresistor components
int lightSensorPin = A0;
int lightSensorValue = 0;
int ledPinRed = D2;
int ledBrightnessRed = 0;

//Initiate force sensor components
int forceSensorPin = A1;
int forceSensorValue = 0;
int ledPinGreen = D3;
int ledBrightnessGreen = 0;
int forceval = 0;

//initiate speaker components
int speakerPin = D4;

// create an array for the notes in the melody:
//C4,G3,G3,A3,G3,0,B3,C4
int melody[] = {1908,1908,1908,0,1908,1908,1908,0,1908,1908,1908}; 


// create an array for the duration of notes.
// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {8,8,8,4,4,4,4,4,8,8,8};

//initialize beep counter
int counter = 0;

//initialize musical notes
const int c = 261;
const int d = 294;
const int e = 329;
const int f = 349;
const int g = 391;
const int gS = 415;
const int a = 440;
const int aS = 455;
const int b = 466;
const int cH = 523;
const int cSH = 554;
const int dH = 587;
const int dSH = 622;
const int eH = 659;
const int fH = 698;
const int fSH = 740;
const int gH = 784;
const int gSH = 830;
const int aH = 880;

//initiate pulishing to IFTTT
int last_published = -1;


void setup() {
//setup leds
    pinMode ( ledPinRed, OUTPUT );
    pinMode ( ledPinGreen, OUTPUT );
//setup sensors
    pinMode( lightSensorPin, INPUT );
    pinMode( forceSensorPin, INPUT );
//output sensor values to particle console  
    Particle.variable( "lightValue", &lightSensorValue, INT);
    Particle.variable( "forceValue", &forceSensorValue, INT);
    
//setup Piezo
 // pinMode( speakerPin, OUTPUT );
 // playNotes();
 // firstSection();
 
 //Ready beep
 readybeep();

}

void loop() {
//read sensors
    lightSensorValue = analogRead ( lightSensorPin );
    forceSensorValue = analogRead ( forceSensorPin );
    
//map sensor readings to led values
    int lightBrightness = map (lightSensorValue, 0, 3000, 255, 0);
    //int touchBrightness = map (forceSensorValue, 100, 2500, 0, 255);

 //set photoresitor led values
    ledBrightnessRed = lightBrightness;
 //write led values to led pins
    analogWrite( ledPinRed, ledBrightnessRed );
    
    delay (500);
    
    if (forceSensorValue >= 3000){
       ledBrightnessRed = 0; 
       firstSection();
       forceval = 6000;
    }

        else if (forceSensorValue >= 500 && forceSensorValue <= 2500){
             //if force sensor is pressed, turn on green led
        analogWrite( ledPinGreen, 250 );
       
        //if force sensor is pressed, play a tone
        playNotes();
        
        analogWrite( ledPinGreen, 0);
        
        ledBrightnessRed = 0;
        forceval = 10;
        }
        
    //send light data to spreadsheet
        Plant_status2();
        
        forceSensorValue == 0;
        analogWrite (ledPinRed, 0); 
}

//function to play sound
void playNotes()
{
    // iterate over the notes of the melody:
    for (int thisNote = 0; thisNote < 11; thisNote++) {

      // to calculate the note duration, take one second
      // divided by the note type.
      //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
      int noteDuration = 1000/noteDurations[thisNote];
      tone(speakerPin, melody[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(speakerPin);
    }
}

//play a note
void beep(int note, int duration)
{
  //Play tone on buzzerPin
  tone(speakerPin, note, duration);
 
  //Play different LED depending on value of 'counter'
  if(counter % 2 == 0)
  {
    digitalWrite(ledPinGreen, HIGH);
    delay(duration);
    digitalWrite(ledPinGreen, LOW);
  }else
  {
    digitalWrite(ledPinRed, HIGH);
    delay(duration);
    digitalWrite(ledPinRed, LOW);
  }
}
  
  //initialize beep
   void readybeep(){
    beep(a, 650);
   }
    
   
  // song1
  void firstSection()
{
  beep(a, 500);
  beep(a, 500);    
  beep(a, 500);
  beep(f, 350);
  beep(cH, 150);  
  beep(a, 500);
  beep(f, 350);
  beep(cH, 150);
  beep(a, 650);
 
  delay(500);
 
  beep(eH, 500);
  beep(eH, 500);
  beep(eH, 500);  
  beep(fH, 350);
  beep(cH, 150);
  beep(gS, 500);
  beep(f, 350);
  beep(cH, 150);
  beep(a, 650);
 
  delay(500);
}
 

//Send to spreadsheet funtion
void Plant_status2(){

  // check if 1 minute has elapsed
	if (last_published + 60000 < millis() && forceval == 6000){
	    Particle.publish( "Plant_status2", String("The dark side is getting stronger. Be gentle with the force."));
		last_published = millis();
	}
	else if (last_published + 60000 < millis() && forceval == 10 ){
        Particle.publish( "Plant_status2", String("The dark side is warning you. SOS. Lighten up"));
		last_published = millis();
	}
    else if 
		( last_published + 60000 < millis() && ledBrightnessRed <= 3000 ){
		Particle.publish( "Plant_status2", String("Hey! Its too dark in here.  Use the force to bring in more light"));
		last_published = millis();
}
}