import os

class Config:
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'hard-to-guess-key'
    BASE_DIR = os.path.abspath(os.path.dirname(__file__))
    STORAGE_FOLDER = os.environ.get('STORAGE_FOLDER') or os.path.join(BASE_DIR, 'storage')
    SQLALCHEMY_DATABASE_URI = 'sqlite:///' + os.path.join(BASE_DIR, 'storage.db')
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    MAX_CONTENT_LENGTH = 1024 * 1024 * 1024  # 1 ГБ
    ALLOWED_EXTENSIONS = {'png','jpg','jpeg','gif','mp4','webm','pdf','doc','docx','txt','zip','rar','xlsx','pptx'}