#include <LedControl.h>
#include <IRremote.h>

LedControl lc = LedControl(10, 8, 9, 4);
IRrecv receiver(2);

// From https://xantorohara.github.io/led-matrix-editor/
const uint8_t LETTERS[][8] = {
{
  0b00000000,
  0b00111100,
  0b01100110,
  0b01100110,
  0b01111110,
  0b01100110,
  0b01100110,
  0b01100110
},{
  0b00000000,
  0b01111100,
  0b01100110,
  0b01100110,
  0b01111100,
  0b01100110,
  0b01100110,
  0b01111100
},{
  0b00000000,
  0b00111100,
  0b01100110,
  0b01100000,
  0b01100000,
  0b01100000,
  0b01100110,
  0b00111100
},{
  0b00000000,
  0b01111100,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01111100
},{
  0b00000000,
  0b01111110,
  0b01100000,
  0b01100000,
  0b01111100,
  0b01100000,
  0b01100000,
  0b01111110
},{
  0b00000000,
  0b01111110,
  0b01100000,
  0b01100000,
  0b01111100,
  0b01100000,
  0b01100000,
  0b01100000
},{
  0b00000000,
  0b00111100,
  0b01100110,
  0b01100000,
  0b01100000,
  0b01101110,
  0b01100110,
  0b00111100
},{
  0b00000000,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01111110,
  0b01100110,
  0b01100110,
  0b01100110
},{
  0b00000000,
  0b00111100,
  0b00011000,
  0b00011000,
  0b00011000,
  0b00011000,
  0b00011000,
  0b00111100
},{
  0b00000000,
  0b00011110,
  0b00001100,
  0b00001100,
  0b00001100,
  0b01101100,
  0b01101100,
  0b00111000
},{
  0b00000000,
  0b01100110,
  0b01101100,
  0b01111000,
  0b01110000,
  0b01111000,
  0b01101100,
  0b01100110
},{
  0b00000000,
  0b01100000,
  0b01100000,
  0b01100000,
  0b01100000,
  0b01100000,
  0b01100000,
  0b01111110
},{
  0b00000000,
  0b01100011,
  0b01110111,
  0b01111111,
  0b01101011,
  0b01100011,
  0b01100011,
  0b01100011
},{
  0b00000000,
  0b01100011,
  0b01110011,
  0b01111011,
  0b01101111,
  0b01100111,
  0b01100011,
  0b01100011
},{
  0b00000000,
  0b00111100,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b00111100
},{
  0b00000000,
  0b01111100,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01111100,
  0b01100000,
  0b01100000
},{
  0b00000000,
  0b00111100,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01101110,
  0b00111100,
  0b00000110
},{
  0b00000000,
  0b01111100,
  0b01100110,
  0b01100110,
  0b01111100,
  0b01111000,
  0b01101100,
  0b01100110
},{
  0b00000000,
  0b00111100,
  0b01100110,
  0b01100000,
  0b00111100,
  0b00000110,
  0b01100110,
  0b00111100
},{
  0b00000000,
  0b01111110,
  0b01011010,
  0b00011000,
  0b00011000,
  0b00011000,
  0b00011000,
  0b00011000
},{
  0b00000000,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b00111110
},{
  0b00000000,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b01100110,
  0b00111100,
  0b00011000
},{
  0b00000000,
  0b01100011,
  0b01100011,
  0b01100011,
  0b01101011,
  0b01111111,
  0b01110111,
  0b01100011
},{
  0b00000000,
  0b01100011,
  0b01100011,
  0b00110110,
  0b00011100,
  0b00110110,
  0b01100011,
  0b01100011
},{
  0b00000000,
  0b01100110,
  0b01100110,
  0b01100110,
  0b00111100,
  0b00011000,
  0b00011000,
  0b00011000
},{
  0b00000000,
  0b01111110,
  0b00000110,
  0b00001100,
  0b00011000,
  0b00110000,
  0b01100000,
  0b01111110
},{
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000 
}};

 // ONLY CAPITAL & SPACE LETTER, ENTER '[' FOR SPACE 
char words[10][50]={"[[[[DRIVE[SAFELY[DRIVE[SAFELY[[[[","[[[[REALLY[SORRY[REALLY[SORRY[[[[",
  "[[[[THANK[YOU[THANK[YOU[[[[","[[[[ACCIDENT[AHEAD[ACCIDENT[AHEAD[[[[",
  "[[[[POLICE[AHEAD[POLICE[AHEAD[[[[","[[[[TRAFFIC[JAM[TRAFFIC[JAM[[[[",
  "[[[[ICY[ROAD[ICY[ROAD[[[[","[[[[OBSTACLE[IN[ROAD[OBSTACLE[IN[ROAD[[[[",
  "[[[[PEOPLE[AHEAD[PEOPLE[AHEAD[[[[","[[[[BEWARE[BICYCLE[BEWARE[BICYCLE[[[["}; 
//int wlen=strlen(words);

void setup() 
{
  lc.shutdown(0, false);
  lc.setIntensity(0, 15);
  lc.clearDisplay(0);
  receiver.enableIRIn(); // Start the receiver
}

void loop()
{
  // Checks received an IR signal
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value
  }
}

void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 48:
      dotprint(1,strlen(words[1]));
      break;
    case 24:
      dotprint(2,strlen(words[2]));
      break;
    case 122:
      dotprint(3,strlen(words[3]));
      break;
    case 16:
      dotprint(4,strlen(words[4]));
      break;
    case 56:
      dotprint(5,strlen(words[5]));
      break;
    case 90:
      dotprint(6,strlen(words[6]));;
      break;
    case 66:
      dotprint(7,strlen(words[7]));
      break;
    case 74:
      dotprint(8,strlen(words[8]));
      break;
    case 82:
      dotprint(9,strlen(words[9]));
      break;
    default:
      dotprint(0,strlen(words[0]));
  }
}

void dotprint(int w,int wlen) 
{
  int i, k, j;

  for (k=3;k<wlen;k++) {
    for (j=0;j<8;j++) {
      for (i=0;i<8;i++) {
        lc.setRow(0,i,(LETTERS[words[w][(k)%wlen]-'A'][i]<<j)|(LETTERS[words[w][(k+1)%wlen]-'A'][i]>>8-j));
        lc.setRow(1,i,(LETTERS[words[w][(k-1)%wlen]-'A'][i]<<j)|(LETTERS[words[w][(k)%wlen]-'A'][i]>>8-j));
        lc.setRow(2,i,(LETTERS[words[w][(k-2)%wlen]-'A'][i]<<j)|(LETTERS[words[w][(k-1)%wlen]-'A'][i]>>8-j));
        lc.setRow(3,i,(LETTERS[words[w][(k-3)%wlen]-'A'][i]<<j)|(LETTERS[words[w][(k-2)%wlen]-'A'][i]>>8-j));
      }
      delay(40);
    }
  }


}