/*
  Connect:
  NodeMCU    -> Matrix
  MOSI-D7-GPIO13  -> DIN
  CLK-D5-GPIO14   -> CK
  GPIO0-D8        -> CS
      D6       --> DHTPIN  nhietdo
*/



#include <Adafruit_GFX.h>
#include "Max72xxPanel.h"

// #include <Fonts/FreeSerif9pt7b.h>
// #include <Fonts/FreeSerif9pt7b.h>

//vn_lunar solar;

// =======================================================================
// Connection data:
// =======================================================================
// const char* ssid = "HatDeFAM";             // SSID
// const char* password = "honganh123";       // PASSWORD
// String weatherKey = "openweathermap API";  // openweathermap API http://openweathermap.org/api
// String weatherLang = "&lang=en";
// String cityID = "1597591";  //Chaweng (Ban Thung)
// =======================================================================




long period;
int offset = 1, refresh = 0;
int pinCS = 0;                       // Штыревое соединение CS
int numberOfHorizontalDisplays = 6;  // Количество горизонтальных матриц
int numberOfVerticalDisplays = 1;    // Количество вертикальных матриц
String decodedMsg;
Max72xxPanel matrix = Max72xxPanel(pinCS, numberOfHorizontalDisplays, numberOfVerticalDisplays);

//matrix.cp437(true);

int wait = 60; // ความเร็วของการวิ่ง

int spacer = 4;
int width = 5 + spacer; // ระยะห่างตัวอักษร สามารถปรับได้



void setup(void) {
  Serial.begin(115200);

  delay(100);

  matrix.setIntensity(8);  // ความสว่าง 0-15
// Serial.println("step2"); 
 
  // change position defalt 8 * 8
  matrix.setRotation(0, 1);  // 1
  matrix.setRotation(1, 1);  // 2
  matrix.setRotation(2, 1);  // 3
  matrix.setRotation(3, 1);  // 4
}

// =======================================================================
#define MAX_DIGITS 16
byte dig[MAX_DIGITS] = { 0 };
byte digold[MAX_DIGITS] = { 0 };
byte digtrans[MAX_DIGITS] = { 0 };
int updCnt = 0;
int dots = 0;
long dotTime = 0;
long clkTime = 0;
int dx = 0;
int dy = 0;
byte del = 0;
int h, m, s;
int mo, da, ye;
int am_mo, am_da, am_ye;

String view = "";

float utcOffset = +7;  //การแก้ไขเขตเวลา
long localEpoc = 0;
long localMillisAtUpdate = 0;

// =======================================================================r


void setLight(int number) {
  matrix.setIntensity(number);  // 0-15
}

void DisplayText(String text, int delaytime, int spaceDis) {

  int widthSpace = 5 + spaceDis;

  matrix.fillScreen(LOW);
  for (int i = 0; i < text.length(); i++) {

    int letter = (matrix.width()) - i * (widthSpace - 1);
    int x = (matrix.width() + 1) - letter;
    int y = (matrix.height() - 8) / 2;
    matrix.drawChar(x, y, text[i], HIGH, LOW, 1);
    matrix.write();
    delay(wait);
  }
  delay(delaytime);
}

void ScrollText (String text) {
  for ( int i = 0 ; i < width * text.length() + matrix.width() - 1 - spacer; i++ ) {
    if (refresh == 1) i = 0;
    refresh = 0;
    matrix.fillScreen(LOW);
    int letter = i / width;
    int x = (matrix.width() - 1) - i % width;
    int y = (matrix.height() - 8) / 2;

    while ( x + width - spacer >= 0 && letter >= 0 ) {
      if ( letter < text.length() ) {
        matrix.drawChar(x, y, text[letter], HIGH, LOW, 1);
      }
      letter--;
      x -= width;
    }
    matrix.write();
    delay(wait);
  }
}

// =======================================================================
void loop() {
  // Serial.println("steploop");
  //showElementArray();

  ScrollText("How are you ok");

  DisplayText("2024", 5000, 2);

}