#include "DFRobotDFPlayerMini.h"

#include <SoftwareSerial.h>

SoftwareSerial softSerial(10, 11);  // RX, TX

DFRobotDFPlayerMini myDFPlayer;

//light sensor

int lightSensorPin = A0;  // Photoresistor connected to analog pin A0

int lightThreshold = 600; // the threshold for the light

bool isPlaying1 = false;  // boolean to check is song 1 is playing

bool isPlaying2 = false; //boolean to check if song 2 is playing

bool isPlaying3 = false; //boolean to check if song 3 is playing

//RGB LEDs

int red = 8; //pin for red rgb

int blue = 12; //pin for blue

int green = 9; //pin for green

int red2 = 3; // pin red for second led

int blue2 = 13; // pin for blue second led

int green2 = 4; // pin for green second led

int step = 1; //step used for seqeunces

//temperature sensor

int temperatureSensorPin = A1; // pin for temperature sensor

int degreesCelsius; // value read for sensor in degress

int startTemp; // temp once the code has run

int changeInTemp = 0; // the difference between startTemp and currentTemp

//microphone sensor

int digitalmicrophoneSensorPin = 2; // digital pin for microphone sensor

int analogmicrophoneSensorPin = A2; // analog pin for microphone sensor

int digitalMicrophone;

int analogMicrophone;

int state = 1;

//turn off button

int buttonPin = 5; // pin for push button

int val;

int prevVal;

bool lightOn = false;  // on, or not?

void setup() {

 Serial.begin(115200);

 softSerial.begin(9600);

  if (!myDFPlayer.begin(softSerial, /*isACK = */ false, /*doReset = */ false)) {  // Use serial to communicate with mp3.

   Serial.println("Error starting DFplayer");

 }

 myDFPlayer.volume(20);  // Set volume to a medium level (0 to 30)

  pinMode(red, OUTPUT); // outpu

 pinMode(green, OUTPUT);

 pinMode(blue, OUTPUT);

 pinMode(red2, OUTPUT);

 pinMode(green2, OUTPUT);

 pinMode(blue2, OUTPUT);

 pinMode(5, INPUT); // button input

}

void loop() {

 if (state == 1) {

   state1();

 } else if (state == 2) {

   state2();

 } else if (state == 3) {

   state3();

 }

}

void state1() { //function to switch on the jukebox. if the distance < 50, the jukebox is "off" and will not play music even if sensors are activated

 int echoPin = 7;

 int triggerPin = 6;

 bool on = false; //bool used to detect if on or not

 long distance1;

 while (!on) {

   pinMode(echoPin, INPUT);

   pinMode(triggerPin, OUTPUT);

   digitalWrite(triggerPin, LOW);

   delayMicroseconds(2);

   digitalWrite(triggerPin, HIGH);

   delayMicroseconds(10);

   digitalWrite(triggerPin, LOW);

   long duration = pulseIn(echoPin, HIGH, 17400);

   //print out the value you read :

   distance1 = duration / 29 / 2;

   Serial.println(distance1);

   if (distance1 > 50) { //checks if distance is > 50, if so then do the following

     myDFPlayer.play(4); // our audio, explaining how to use the jukebox

     state = 2; //goes to state 2

     on = true;

   }

 }

}

void state2() { //function used to play the songs on command

 bool run = false; //bool used to detect if anything is playing yet or running

 while (!run) {

   int sensorReading = analogRead(lightSensorPin);  // Read the photoresistor value

   int thisPitch = map(sensorReading, 30, 1000, 120, 1500); // mapped the photoresistor values for better reading

   Serial.println(thisPitch);  // Print the reading to the Serial Monitor for debugging

   degreesCelsius = analogRead(A1) * (5000 / 1024.0) / 10;//read the input on analog pin 1 and convert to degrees celsius

   Serial.println(degreesCelsius); //Print the reading to the Serial Monitor for debugging

   temperatureSensorPin = analogRead(A1); // read the temperature sensor value

   delay(100);//delay for stability

   int analogmicrophoneSensorPin = analogRead(A2);  //read the microphone sensor value

   Serial.println(analogmicrophoneSensorPin); // print the reading to serial mointer for debugging

   if (thisPitch > lightThreshold && !isPlaying1) {  // If light is shining (above threshold) and song1 is not playing, do the following

     myDFPlayer.play(3);                             // Play "Flashing Lights by Kanye west"

     isPlaying1 = true;                             //song one is playing

     isPlaying2 = false;                            //song two is not playing

     isPlaying3 = false;                         // song three is not playing

   } else if (degreesCelsius > 25 && !isPlaying2) {  // if temp os above 25 and song two is not playing, do the following

     myDFPlayer.play(2);                             // Play "Fire ball by Pitbull"

     isPlaying2 = true; //song two is playing

     isPlaying1 = false; // song one is not playing

     isPlaying3 = false; //song three is not playing

   } else if (analogmicrophoneSensorPin > 180 && !isPlaying3) { // if microphone value > 180 and song three is not playing do the following:

     myDFPlayer.play(1);  // Play "Glimpse of Us by Joji"

     isPlaying3 = true; //song three is  playing

     isPlaying1 = false; // song one is not playing

     isPlaying2 = false; //song two is not playing

   }

   if (isPlaying1) { //  if song one is playing , do the following light sequence

     setColor(255, 0, 0);  // Red Color

     delay(250);

     setColor(0, 255, 0);  // Green Color

     delay(250);

     setColor(0, 0, 255);  // Blue Color

     delay(250);

     setColor(255, 255, 255);  // White Color

     delay(250);

     setColor(170, 0, 255);  // Purple Color

     delay(250);

   } else if (isPlaying3) { //if song three is playing, do the following light sequence

     setColor(0, 0, 255);  // Blue Color

     delay(500);

     setColor(255, 255, 255);  // White Color

     delay(500);

   } else if (isPlaying2) { //if song two is playing, do the following light sequence

     setColor(255, 0, 0);  // Red Color

     delay(250);

     setColor(0, 255, 0);  // Green Color

     delay(250);

   }

   val = digitalRead(5); // digital pin for STOP button

   if (prevVal == LOW && val == HIGH) { // if button is pressed, switch off the leds and go to state 3

     prevVal = val;

     run = true;

     state = 3;

     delay(10);

     digitalWrite(red, LOW);

     digitalWrite(green, LOW);

     digitalWrite(blue, LOW);

     digitalWrite(red2, LOW);

     digitalWrite(green2, LOW);

     digitalWrite(blue2, LOW);

   }

 }

}

void setColor(int redValue, int greenValue, int blueValue) { // function used to output the different colours to the rgb leds

 analogWrite(red, redValue);

 analogWrite(red2, redValue);

 analogWrite(green, greenValue);

 analogWrite(green2, greenValue);

 analogWrite(blue, blueValue);

 analogWrite(blue2, blueValue);

}

void state3() { // function used to stop the music

 myDFPlayer.stop();

}

/**

* An RGB LED tutorial that shines different colours.

* This was adapted from a the tutorial found here:

* https://howtomechatronics.com/tutorials/arduino/how-to-use-a-rgb-led-with-arduino/

*/

/**

* A DFPlayer Mini MP3 tutorial.

* This was adapted from a the tutorial found here:

*https://github.com/ima-nyush/Interaction-Lab/tree/main/Tutorials/DFPlayer%20Mini%20MP3%20Playr

*/ 

/**

* A microphone sensor tutorial.

* This was adapted from a the tutorial found here:

*https://github.com/ima-nyush/Interaction-Lab/tree/main/Tutorials/Microphone%20Sensor

*/ 

/**

* An ultrasonic distance sensor tutorial.

* This was adapted from a the tutorial found here:

*https://github.com/ima-nyush/Interaction-Lab/tree/main/Tutorials/Ultrasonic%20Distance%20Sensor

*/

“A Short History of How Jukeboxes Changed the World.” Rock-Ola, 14 Aug. 2019, www.rock-ola.com/blogs/news/a-short-history-of-how-jukeboxes-changed-the-world?srsltid=AfmBOoqDs6_uq3dSK2IFna--0UUXU-Ab7UnS7I7mVMptTr_Fp0NZnjPg. Accessed 8 Oct. 2024.

The Jukebox Repairman. “The Jukebox Repairman.” YouTube, 4 Aug. 2016, youtu.be/RM683aTqfT4?si=LuPt2JvYig0UAhxc. Accessed 8 Oct. 2024