#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library for ST7735
#include <SPI.h>
#include <SD.h>

/* pins definitions */
#define TFT_CS    16
#define TFT_DC    17
#define TFT_RESET 4
File myFile;
#define SD_CS 5

Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RESET);
boolean insertSD = false;
boolean pressed = false;
int Menuoption = 1;

const int buttonPin = 32;

void setup() {
  Serial.begin(9600);
  Serial.println(F("Hello! ST77xx TFT Test"));
  pinMode(buttonPin, INPUT);

  // TFT display initialization
  tft.initR(INITR_BLACKTAB);
  Serial.println(F("TFT Initialized"));
  tft.fillScreen(ST77XX_BLACK);
  tft.setTextColor(ST77XX_RED);
  tft.setTextWrap(false);
  tft.setCursor(1,5);
  tft.print("Initialisierung");
  delay(1000);
  tft.print(".");
  delay(1000);
  tft.print(".");
  delay(1000);
  tft.print(".");
  delay(250);

  // SD card initialization+
  if (!SD.begin(SD_CS)) {
    Serial.println("Keine SD-Karte eingelegt oder Initialisierung fehlgeschlagen!");
    janein("Nein", "SD-Karte",2,23);
    insertSD = false;
  } else {
    Serial.println("SD-Karte eingelegt und Initialisierung erfolgreich");
     janein("Ja", "SD-Karte",2,23);
     insertSD = true;
  }

    File myFile = SD.open("test.txt", FILE_WRITE);  //----------------------------------------------------------------------------
    myFile.close();

  delay(1000);
  //MENU
  Menu(1);
  delay(2000);
  down();






  delay(500);
}

void loop() {

}




void down() {
  cross(10, 28 + 10 * Menuoption, ST77XX_BLACK); // Hier wird deine Funktion ausgeführt
  Menuoption++;
  delay(100);
  cross(10, 28 + 10 * Menuoption, ST77XX_RED);
  Serial.println("test");
  File myFile = SD.open("test.txt", FILE_WRITE); //----------------------------------------------------------------------------
  myFile.close();
}

void Menu(int Menuoption){
  tft.fillScreen(ST77XX_BLACK);
  tft.drawFastHLine(5, 25,118, ST77XX_RED);
  tft.setTextColor(ST77XX_WHITE);
  tft.setCursor(15, 8);
  tft.setTextSize(2);
  tft.print("-Q-Menu-");
  tft.setTextSize(1);
  tft.setCursor(15, 35);
  delay(200);
  tft.print("Transmit Radio");
  tft.setCursor(15, 45);
  delay(200);
  tft.print("Infrared");
  tft.setCursor(15, 55);
  delay(200);
  tft.setCursor(15, 55);
  tft.print("Wlan");
  cross(10, 28 + 10 * Menuoption, ST77XX_RED); //55


}

void cross(int crossx, int crossy, uint16_t color) {
  tft.drawPixel(crossx, crossy, color);
  tft.drawPixel(crossx -1, crossy - 1, color);
  tft.drawPixel(crossx - 1, crossy - 0, color);
  tft.drawPixel(crossx - 1, crossy +1, color);
  tft.drawPixel(crossx - 2, crossy + 0, color);
  tft.drawPixel(crossx - 2, crossy - 1, color);
  tft.drawPixel(crossx - 2, crossy - 2, color);
  tft.drawPixel(crossx - 2, crossy + 1, color);
  tft.drawPixel(crossx - 2, crossy + 2, color);
  tft.drawPixel(crossx - 3, crossy - 0, color);
  tft.drawPixel(crossx - 4, crossy - 0, color);
  tft.drawPixel(crossx - 5, crossy - 0, color);

}

void janein(String jaOderNein, String zusatzString, int Xjn, int Yjn) {
  // Überprüfe, ob der Eingabetext "Ja" oder "ja" lautet
  if (jaOderNein.equalsIgnoreCase("Ja")) {
    tft.setCursor(Xjn, Yjn);
    tft.setTextColor(ST77XX_WHITE);
    tft.setTextSize(1);
    tft.print("(");
    tft.setTextColor(ST77XX_GREEN);
    tft.print("Ok");
    tft.setTextColor(ST77XX_WHITE);
    tft.print(")" + zusatzString);
  }
  // Überprüfe, ob der Eingabetext "Nein" oder "nein" lautet
  else if (jaOderNein.equalsIgnoreCase("Nein")) {
    tft.setCursor(Xjn, Yjn);
    tft.setTextColor(ST77XX_WHITE);
    tft.setTextSize(1);
    tft.print("(");
    tft.setTextColor(ST77XX_RED);
    tft.print("No");
    tft.setTextColor(ST77XX_WHITE);
    tft.print(")" + zusatzString);
  }
  // Wenn der Eingabetext weder "Ja" noch "Nein" entspricht
  else {
    Serial.println("Ungültige Eingabe. Bitte antworte mit 'Ja' oder 'Nein'.");
  }
}


void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
  Serial.printf("Listing directory: %s\n", dirname);

  File root = fs.open(dirname);
  if(!root){
    Serial.println("Failed to open directory");
    return;
  }
  if(!root.isDirectory()){
    Serial.println("Not a directory");
    return;
  }

  File file = root.openNextFile();
  while(file){
    if(file.isDirectory()){
      Serial.print("  DIR : ");
      Serial.println(file.name());
      if(levels){
        listDir(fs, file.path(), levels -1);
      }
    } else {
      Serial.print("  FILE: ");
      Serial.print(file.name());
      Serial.print("  SIZE: ");
      Serial.println(file.size());
    }
    file = root.openNextFile();
  }
}