import json
import os


class SharedPreferences:
    def __init__(self, path="data/shared_preferences.json"):
        self.path = path
        self._data = self._load_preferences()

    def _load_preferences(self):
        if os.path.exists(self.path):
            with open(self.path, "r") as f:
                return json.load(f)
        return {}

    def _save_preferences(self):
        with open(self.path, "w") as f:
            json.dump(self._data, f, indent=4)

    def get(self, key, default=None):
        return self._data.get(key, default)

    def put(self, key, value):
        self._data[key] = value
        self._save_preferences()

    def remove(self, key):
        if key in self._data:
            del self._data[key]
            self._save_preferences()

    def clear(self):
        self._data.clear()
        self._save_preferences()