#include "storage.h"

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

#ifndef CONFIG_LITTLEFS_FOR_IDF_3_2
#include <time.h>
#endif

#define FORMAT_LITTLEFS_IF_FAILED false

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

#ifdef CONFIG_LITTLEFS_FOR_IDF_3_2
      Serial.println(file.name());
#else
      Serial.print(file.name());
      time_t t = file.getLastWrite();
      struct tm *tmstruct = localtime(&t);
      Serial.printf("  LAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n", (tmstruct->tm_year) + 1900, (tmstruct->tm_mon) + 1, tmstruct->tm_mday, tmstruct->tm_hour, tmstruct->tm_min, tmstruct->tm_sec);
#endif

      if (levels)
      {
        listDir(fs, file.name(), levels - 1);
      }
    }
    else
    {
      Serial.print("  FILE: ");
      Serial.print(file.name());
      Serial.print("  SIZE: ");

#ifdef CONFIG_LITTLEFS_FOR_IDF_3_2
      Serial.println(file.size());
#else
      Serial.print(file.size());
      time_t t = file.getLastWrite();
      struct tm *tmstruct = localtime(&t);
      Serial.printf("  LAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n", (tmstruct->tm_year) + 1900, (tmstruct->tm_mon) + 1, tmstruct->tm_mday, tmstruct->tm_hour, tmstruct->tm_min, tmstruct->tm_sec);
#endif
    }
    file = root.openNextFile();
  }
}


void readFile(fs::FS &fs, const char *path)
{
  Serial.printf("Reading file: %s\r\n", path);

  File file = fs.open(path);
  if (!file || file.isDirectory())
  {
    Serial.println("- failed to open file for reading");
    return;
  }

  Serial.println("- read from file:");
  while (file.available())
  {
    Serial.write(file.read());
  }
  file.close();
}

void initStorage()
{
  if (!LITTLEFS.begin(FORMAT_LITTLEFS_IF_FAILED))
  {
    Serial.println("LITTLEFS Mount Failed");
    return;
  }
  listDir(LITTLEFS, "/", 0);
}

void handleStorage()
{
}