#pragma once
#include "freertos/FreeRTOS.h"
#include "freertos/event_groups.h"

class KVStorageHandler {
public:
  virtual ~KVStorageHandler() = default;

  virtual void init(const EventGroupHandle_t& system_event_group) = 0;

  // Store a key-value pair
  virtual void put(const char*& key, const char*& value) = 0;

  // Retrieve a value by key, returns nullptr if key not found
  // The caller is responsible for freeing the returned memory
  virtual char* get(const char*& key) const = 0;

  // Delete a key-value pair
  virtual void remove(const char*& key) = 0;
};