#include <Arduino.h>
#include "FS.h"
#include <LITTLEFS.h>

//---------------------------------------------------------------------------
int make_dirtree( fs::FS &ff, String path ){

  ff.mkdir( path );

  String fname = path + "/" + "een.txt";
  File file = ff.open(fname, FILE_WRITE);
  file.close(); 
  
 fname = path + "/" + "twee.txt";
  file = ff.open(fname, FILE_WRITE);
  file.close(); 

  fname = path + "/" + "drie.txt";
  file = ff.open(fname, FILE_WRITE);
  file.close(); 

  path = path + "/" + "sub1";

  ff.mkdir( path  );

  fname = path + "/" + "vier.txt";
  file = ff.open(fname, FILE_WRITE);
  file.close(); 
  
 fname = path + "/" + "vijf.txt";
  file = ff.open(fname, FILE_WRITE);
  file.close(); 

  fname = path + "/" + "zes.txt";
  file = ff.open(fname, FILE_WRITE);
  file.close(); 
  

}

//---------------------------------------------------------------------------

void deltree( fs::FS *ff, const char *path ){

    fs::File dir = ff->open( path );
    
    if(!dir.isDirectory()){
       Serial.printf("%s is a file\n", path);
       dir.close();
       Serial.printf( "result of removing file %s: %d\n", path, ff->remove( path ) );
       return;
    }
    
    Serial.printf("%s is a directory\n", path);
     
    fs::File entry, nextentry;
       
    while ( entry = dir.openNextFile() ){          
      
      if ( entry.isDirectory()  ){
         deltree( ff, entry.name() );        
      } else{ 
         Serial.printf( "result of removing file %s: %d\n", entry.name(), ff->remove( entry.name() ) );
      }     
      
    }

    dir.close(); 
    Serial.printf( "result of removing directory %s: %d\n", path, ff->rmdir( path ) );     
}

//----------------------------------------------------------------------------

void setup() {
  
  Serial.begin(115200);
  
  if(!LITTLEFS.begin( false) ){
    Serial.println("LITTLEFS Mount Failed");
    return;
  }

  make_dirtree( LITTLEFS, "/testdir" );
  deltree( &LITTLEFS, "/testdir/sub1");
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1000);
}