#include <SDFS.h>
SDFSConfig SdFsconfig;
File myFile;
bool validSdCard;
const char bakfolder[]="/BACKUP";

void printDirectory(String path, int numTabs = 0) {
  // Serial.println(path);
  Dir dir = SDFS.openDir(path);
  while (dir.next()) {
    for (uint8_t i = 0; i < numTabs; i++) {
      Serial.print("  ");
    }
    Serial.print(dir.fileName());
    if (dir.isDirectory()) {
      Serial.println("/");
      printDirectory(path + "/" + dir.fileName(), numTabs + 1);
    }
    else {
      Serial.print("    ");
      Serial.println(dir.fileSize());
    }
  }
}  // printDirectory()
/*
  void deleteDirectory(String path) {
  Serial.println("Borrando directorio: " + path);
  Dir dir = SDFS.openDir(path);
  while (dir.next()) {
    if (dir.isDirectory()) {
      deleteDirectory(path + "/" + dir.fileName());
    }
    else {
      SDFS.remove(path + "/" + dir.fileName());
    }
  }
  if(path != "/") SDFS.rmdir(path);
  }  // deleteDirectory()

  void clean_junk_files() {
  String path = "/";
  Dir dir = SDFS.openDir(path);
  while (dir.next()) {
    if (dir.isDirectory()) {
      if(dir.fileName() != "BACKUP") {
        Serial.println("A borrar: " + path + "/" + dir.fileName());
        deleteDirectory(path + "/" + dir.fileName());
      }
    }
    else {
      if(dir.fileName().indexOf(".gpx") == 0 || dir.fileName().indexOf(".conf") == 0) {
        SDFS.remove(path + "/" + dir.fileName());
      }
    }
  }
  if(path != "/") SDFS.rmdir(path);
  }  // deleteDirectory()
*/
// ----------------------------------------------------------------------------
// Limpia archivos y carpetas recursivamente
// ----------------------------------------------------------------------------
void delete_folders(String path) {
  Dir dir = SDFS.openDir(path);
  while (dir.next()) {
    String fileName =  path + "/" + dir.fileName();
    if (dir.isDirectory()) {
      Serial.println("Carpeta a borrar*: " + fileName);
      delete_folders(fileName);
    }
    else {
      Serial.println("Archivo a borrar*: " + fileName);
      SDFS.remove(fileName);
    }
  }
  if (path != "/") {
    Serial.println("Carpeta a borrar**: " + path);
    if (SDFS.exists(path)) {
      Serial.println("Borrando**: " + path);
      SDFS.rmdir(path);
    }
  }
}  // delete_folders()

// ----------------------------------------------------------------------------
// Limpia archivos y carpetas no deseados
// ----------------------------------------------------------------------------
void clean_junk_files() {
  String path = "/";
  Dir dir = SDFS.openDir(path);
  while (dir.next()) {
    String fileName = path + dir.fileName();
    if (dir.isDirectory()) {
      if  (fileName != bakfolder) {
        Serial.println("Carpeta a borrar: " + fileName);
        delete_folders(fileName);
      }
    }
    else {
      if (fileName.indexOf(".gpx") == -1) {
        if (fileName.indexOf(".conf") == -1) {
          Serial.println("Archivo a borrar: " + fileName);
          SDFS.remove(fileName);
        }
      }
    }
  }
}  // clean_junk_files()

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  delay(100);
  Serial.println("Hello, Raspberry Pi Pico!");
  SdFsconfig.setCSPin(17);
  SDFS.setConfig(SdFsconfig);
  //  SDFS.setTimeCallback(timestamp_callback);
  validSdCard = SDFS.begin();
  delay(250);
  Serial.printf("SD Valida: %s\r\n", validSdCard ? "SI" : "NO");
  Serial.println("Creando directorios y subdirectorios...");
  //  printDirectory("/");
  SDFS.mkdir("/BACKUP");
  SDFS.mkdir("/pp");
  SDFS.mkdir("/pp/pp1");
  SDFS.mkdir("/pp/pp1/pp2");
  SDFS.mkdir("/pp/pp1/pp3");
  SDFS.mkdir("/pp/pp1/pp2/pp21");
  SDFS.mkdir("/pp/pp1/pp3/pp31");
  SDFS.mkdir("/pp/pp1/pp3/pp32");
  Serial.println("Creando algunos archivos...");
  myFile = SDFS.open("/current.gpx", "a");
  myFile.println("Hola Manola");
  myFile.close();
  myFile = SDFS.open("/tracker.conf", "a");
  myFile.close();
  myFile = SDFS.open("/nada.txt", "a");
  myFile.println("Nada");
  myFile.close();
  myFile = SDFS.open("/BACKUP/260313_185600.gpx", "a");
  myFile.close();
  myFile = SDFS.open("/pp/pp0.txt", "a");
  myFile.println("Hola Pepe");
  myFile.close();
  myFile = SDFS.open("/pp/pp1/pp1.txt", "a");
  myFile.println("Hola Joaquina");
  myFile.close();
  myFile = SDFS.open("/pp/pp1/pp2/pp2.txt", "a");
  myFile.println("Hola Joaquina");
  myFile.close();
  myFile = SDFS.open("/pp/pp1/pp2/pp21/pp210.txt", "a");
  myFile.println("Hola Joaquina");
  myFile.close();
  myFile = SDFS.open("/pp/pp1/pp2/pp21/pp211.txt", "a");
  myFile.close();
  myFile = SDFS.open("/pp/pp1/pp3/pp3.txt", "a");
  myFile.println("Hola Joaqui");
  myFile.close();
  myFile = SDFS.open("/pp/pp1/pp3/pp31/pp310.txt", "a");
  myFile.println("Hola Manola");
  myFile.close();
  myFile = SDFS.open("/pp/pp1/pp3/pp32/pp320.txt", "a");
  myFile.close();

  Serial.println("----------------------------------");
  printDirectory("/");
  Serial.println("----------------------------------");

  //  deleteDirectory("/pp");
  clean_junk_files();

  Serial.println("----------------------------------");
  printDirectory("/");
  Serial.println("----------------------------------");

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1); // this speeds up the simulation
}