#include <FastLED.h>
#include <ezTime.h>
#include <WiFi.h>

#include "LEDMatrix.h"
#include "LEDText.h"
#include "FontMatrise.h"

// Change the next 6 defines to match your matrix type and size

#define LED_PIN        33
#define COLOR_ORDER    GRB
#define CHIPSET        WS2812B

#define MATRIX_WIDTH   75
#define MATRIX_HEIGHT  -8
#define MATRIX_TYPE    HORIZONTAL_MATRIX

//declare an instance of the cLEDMatrix class, used to declare and modify the LED data according to the matrix dimensions/layout/origin

cLEDMatrix<MATRIX_WIDTH, MATRIX_HEIGHT, MATRIX_TYPE> leds;

//declare the cLEDText class variable

cLEDText ScrollingMsg;

unsigned char TxtDemo[] = {
  EFFECT_HSV_AV "\x00\xff\xff\x40\xff\xff"
  EFFECT_SCROLL_LEFT
  "             LEFT SCROLL > @@@@@@@@@@@@"
  EFFECT_DELAY_FRAMES "\x00\xff < that's the time"
  /*
  EFFECT_SCROLL_RIGHT "            LLORCS THGIR "
  EFFECT_SCROLL_DOWN "            SCROLL DOWN             SCROLL DOWN            " EFFECT_FRAME_RATE "\x04" " SCROLL DOWN            " EFFECT_FRAME_RATE "\x00" " "
  EFFECT_SCROLL_UP "             SCROLL UP               SCROLL UP             " EFFECT_FRAME_RATE "\x04" " SCROLL UP             " EFFECT_FRAME_RATE "\x00" " "
  EFFECT_CHAR_UP EFFECT_SCROLL_LEFT "            UP"
  EFFECT_CHAR_RIGHT "  RIGHT"
  EFFECT_CHAR_DOWN "  DOWN"
  EFFECT_CHAR_LEFT "  LEFT"
  EFFECT_HSV_CV "\x00\xff\xff\x40\xff\xff" EFFECT_CHAR_UP "           HSV_CV 00-40"
  EFFECT_HSV_CH "\x00\xff\xff\x40\xff\xff" "    HSV_CH 00-40"
  EFFECT_HSV_AV "\x00\xff\xff\x40\xff\xff" "    HSV_AV 00-40"
  EFFECT_HSV_AH "\x00\xff\xff\xff\xff\xff" "    HSV_AH 00-FF"
  "           " EFFECT_HSV "\x00\xff\xff" "R" EFFECT_HSV "\x20\xff\xff" "A" EFFECT_HSV "\x40\xff\xff" "I" EFFECT_HSV "\x60\xff\xff" "N" EFFECT_HSV "\xe0\xff\xff" "B" EFFECT_HSV "\xc0\xff\xff" "O"
  EFFECT_HSV "\xa0\xff\xff" "W" EFFECT_HSV "\x80\xff\xff" "S " EFFECT_DELAY_FRAMES "\x00\x96" EFFECT_RGB "\xff\xff\xff"
  */
};
const char* val_ptr = memmem(TxtDemo, sizeof(TxtDemo), "@@@@@", 5);

Timezone myTZ;

void setup() {
  
  Serial.begin(115200);
  //wait for Serial port to connect, needed for native USB port only
  while (!Serial) { ; }

  //connect to WiFi and wait for ezTime to sync
  // WiFi.begin("Wokwi-GUEST", "");
  // waitForSync();

  //create timezone variable and set location
  //offical timezone names can be found at: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
      //note - "US/Eastern", "US/Central", etc. don't work, the "notes" column of the table links to a working equivelent

  myTZ.setLocation(F("America/Chicago"));

  //print an example to serial monitor just to confirm it's working

  Serial.println();
  Serial.println("The current time is " + myTZ.dateTime("g:i A T"));
  
  FastLED.addLeds<CHIPSET, LED_PIN, COLOR_ORDER>(leds[0], leds.Size());
  // FastLED.setBrightness(32);
  FastLED.clear(true);
  delay(500);

  //show RGBW (just to test all leds and indicate that the LED text is about to be shown on the matrix)
  
  FastLED.showColor(CRGB::Red);
  delay(500);
  FastLED.showColor(CRGB::Lime);
  delay(500);
  FastLED.showColor(CRGB::Blue);
  delay(500);
  FastLED.showColor(CRGB::White);
  delay(500);
  FastLED.show();

  ScrollingMsg.SetFont(MatriseFontData);

  //initialize matrix with dimensions and X/Y origin
  
  ScrollingMsg.Init(&leds, leds.Width(), ScrollingMsg.FontHeight() + 1, 0, 0);

  ScrollingMsg.SetText((unsigned char *)TxtDemo, sizeof(TxtDemo) - 1);

  //if you don't want to use the special character codes in your text array, you could call the following:
  
  ScrollingMsg.SetTextColrOptions(COLR_RGB | COLR_SINGLE, 0xff, 0x00, 0xff);
  //SetBackgroundMode(Options, Dimming);
  //SetScrollDirection(Options);
  //SetTextDirection(Options);
  //SetFrameRate(Rate);
  //SetOptionsChangeMode(Options);
}

void loop() {
  // get the time of day
  String currentTimeString = myTZ.dateTime("H:i:s.v");
  // copy the characters of the time String into the scrolltext
  memcpy8(val_ptr, currentTimeString.c_str(), currentTimeString.length());

  if (ScrollingMsg.UpdateText() == -1) {    
    ScrollingMsg.SetText((unsigned char *)TxtDemo, sizeof(TxtDemo) - 1);
  }
  else {
    FastLED.show();
    delay(25);  
  }
}