import os
from dotenv import load_dotenv

# Load environment variables from .env file
load_dotenv()

class Config:
    # Flask configuration
    SECRET_KEY = os.getenv('FLASK_SECRET_KEY', 'default-secret-key')
    
    # SQLite database configuration - 使用简单直接的路径
    SQLALCHEMY_DATABASE_URI = 'sqlite:///blog.db'
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    
    # Upload configuration
    UPLOAD_FOLDER = os.path.join('app', 'static', 'uploads')
    MAX_CONTENT_LENGTH = 16 * 1024 * 1024  # 16MB max file size
    
    # Admin authentication
    ADMIN_USERNAME = os.getenv('ADMIN_USERNAME', 'admin')
    ADMIN_PASSWORD = os.getenv('ADMIN_PASSWORD', 'password')
    
    # AI service configuration
    AI_API_KEY = os.getenv('AI_API_KEY')
    AI_BASE_URL = os.getenv('AI_BASE_URL', 'https://api.deepseek.com')
    
    # Allowed file extensions for uploads
    ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif'}