#include <Adafruit_GFX.h>
//#include <Font5x3.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_NeoPixel.h>

// DATA PIN
// If you want to use a different data pin on your microcontroller CHANGE THIS!
#define DATA_PIN 4

#define arr_len( x )  ( sizeof( x ) / sizeof( *x ) )

// Matrix setup params
Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(8, 8,8,1, DATA_PIN,
 NEO_TILE_TOP   + NEO_TILE_RIGHT   + NEO_TILE_COLUMNS   + NEO_TILE_PROGRESSIVE +
                            NEO_MATRIX_BOTTOM + NEO_MATRIX_RIGHT + NEO_MATRIX_COLUMNS  + NEO_MATRIX_ZIGZAG,
                            NEO_GRB + NEO_KHZ800);


// Edit this
// The important stuff, your message and colors

char* Text[]= {"Oier Imaz Ormazabal","Iraia Imaz Ormazabal","Luka Ormazabal Larranaga","EGILEA: Joxemari Ormazabal Ormazabal"};
const uint16_t colors[] = {
  matrix.Color(255, 0, 255), matrix.Color(100, 255, 0), matrix.Color(255, 255, 0),matrix.Color(255,255, 255), matrix.Color(255, 0, 255), matrix.Color(0, 255, 255), matrix.Color(255, 255, 255)};
int brightness =255;
// End Edit

int numMode = arr_len(Text)-1;
int numColor = arr_len(colors)-1;
int pixelPerChar = 6;
int maxDisplacement;
int mode = 0;

void setup() { 
  matrix.begin();
  matrix.setTextWrap(true);
  matrix.setBrightness(brightness);
  matrix.setTextColor(colors[0]);
 Serial.begin(115200);
}

int y = matrix.height();
int x = matrix.width();
int pass = 0;
int line_pass = 0;

void loop() {
    
  // if mode greater than numMode reset
  if (mode > numMode) { mode = 0; }
  
  matrix.fillScreen(0);
  matrix.setCursor(x, 0);
  matrix.setTextSize(1);
  scroll(Text[mode],(analogRead(2)));
  Serial.println(analogRead(2));
}

// this does the magic of scrolling
void scroll(char* message,int delays) {
  maxDisplacement = strlen(message) * pixelPerChar;// + matrix.width();
  if(++line_pass > matrix.width()) line_pass = 0;
 matrix.setTextColor(colors[random(0,7)]);
 //matrix.print(String(message[0]));
   matrix.setTextColor(colors[random(0,7)]);
  matrix.print(String(message));
  if(--x < -maxDisplacement) {
    x = matrix.width();
    if(++pass >= numColor) { pass = 0;  };
   // matrix.setTextColor(colors[pass]);
    mode++;
  }
  matrix.show();
  delay(delays);
}