//Two codes in one, choose mode below
//#define BEATBOX
#define LIGHTBOX

#ifdef BEATBOX
#include <SoftwareSerial.h>
#include <MP3Player_KT403A.h>
SoftwareSerial mp3(6, 7);
#endif

#ifdef LIGHTBOX
#include <ChainableLED.h>
ChainableLED leds(6, 7, 1);

#endif
int color[3] = {0, 0, 0};


const int buttons[8] = { 2, 3, 4, 5, A0, A1, A2, A3};



void ledsFX(int button){
  
  switch (button){
    case 0 : //RED
      color[0] += 150  ;
//      Serial.print(color[0]);
//      Serial.println(" red");
      break;
      
    case 1 ://GREEN
      color[1] += 150;
      Serial.println("green");
      break;
      
    case 2 :
      color[2] += 150;
      Serial.println("blue");
      break;
      
    case 3 :
      color[0] += 255 * (cos(millis()/1000)*0.5 + 0.5);
      color[1] += 255 * (cos(millis()/100)*0.5 + 0.5);
//      color[2] += 255 * (cos(millis()/1000)*0.5 + 0.5);
      break;
      
    case 4 :
//      color[0] += 255 * (cos(millis()/1000)*0.5 + 0.5);
      color[1] += 255 * (cos(millis()/200)*0.5 + 0.5);
      color[2] += 255 * (sin(millis()/500)*0.5 + 0.5);
      break;
      
    case 5 :
      color[0] += 255 * (tan(millis()/50)*0.5 + 0.5);
//      color[1] += 255 * (cos(millis()/1000)*0.5 + 0.5);
      color[2] += 100 * (cos(millis()/1040)*0.5 + 0.5);
      break;
    case 6 :
      color[0] += 255 * (cos(millis()/100)*0.5 + 0.5);
      color[1] += 255 * (sin(millis()/500)*0.5 + 0.5);
      color[2] += 255 * (cos(millis()/2000)*0.5 + 0.5);
      break;
      
    case 7 : //invert colors
      for(int i = 0 ; i<3;i++){
        color[i] = 255 - color[i];
      }
      break;

    default : 
      break;
  }
  
}


void setup() { 
  
  Serial.begin(9600);
  for (int i = 0 ; i<8 ;i++){
    pinMode(buttons[i], INPUT_PULLUP);
  }

  #ifdef BEATBOX
  mp3.begin(9600);
  delay(100);
  SelectPlayerDevice(0x02);       // Select SD card as the player device.
  SetVolume(0x1E);                // Set the volume, the range is 0x00 to 0x1E.
  #endif

  #ifdef LIGHTBOX
  //nothing
  #endif

}

void loop() {
//  
//  long int currentTime = millis();
  
  color[0] = 0;
  color[1] = 0;
  color[2] = 0;
  
  for (int i = 0 ; i<8 ;i++){
    
      //take action if a button was pressed
    if (!digitalRead(buttons[i])){
      Serial.println(i);
      
      #ifdef BEATBOX
      SpecifyMusicPlay(i+1);
      #endif
      
      #ifdef LIGHTBOX     
      ledsFX(i);      
      #endif
    
    }
    
  }
  #ifdef LIGHTBOX
  color[0] = constrain(color[0], 0, 255);
  color[1] = constrain(color[1], 0, 255);
  color[2] = constrain(color[2], 0, 255);
  Serial.print(color[0]);
  Serial.print(", ");
  Serial.print(color[1]);
  Serial.print(", ");
  Serial.println(color[2]);

  leds.setColorRGB(0, color[0], color[1], color[2]);
  #endif
  
  delay(50);
}