#include <Arduino.h>
#include <FS.h>
#include <LittleFS.h>

void listFiles() {
  Serial.println("\nListing files in LittleFS:");
  Dir dir = LittleFS.openDir("/");
  while (dir.next()) {
    Serial.printf("  %s (%d bytes)\n", dir.fileName().c_str(), dir.fileSize());
  }
}

void readFile(const char *path) {
  File file = LittleFS.open(path, "r");
  if (!file) {
    Serial.printf("Failed to open file: %s\n", path);
    return;
  }
  Serial.printf("Contents of %s:\n", path);
  while (file.available()) {
    Serial.write(file.read());
  }
  Serial.println();
  file.close();
}

void setup() {
  Serial.begin(115200);
  delay(500);

  if (!LittleFS.begin()) {
    Serial.println("LittleFS mount failed! Did you upload data folder?");
    return;
  }

  Serial.println("LittleFS mounted successfully.");
  listFiles();

  // Read demo files
  readFile("/info.txt");
  readFile("/config.json");
}

void loop() {
}