import os
from dotenv import load_dotenv
from pathlib import Path

# Get the directory where this script is located
backend_dir = Path(__file__).parent
env_path = backend_dir / '.env'

# Load .env file
load_dotenv(dotenv_path=env_path)

# Debug: Print if .env file exists (for troubleshooting)
if env_path.exists():
    print(f"✓ Loading .env file from: {env_path}")
else:
    print(f"⚠ Warning: .env file not found at {env_path}")
    print(f"  Current working directory: {os.getcwd()}")
    print(f"  Looking for .env in: {env_path}")


class Config:
    """Application configuration"""
    
    # MongoDB
    MONGODB_URI = os.getenv('MONGODB_URI', 'mongodb://localhost:27017/')
    DB_NAME = 'munich_news'
    
    # Email
    SMTP_SERVER = os.getenv('SMTP_SERVER', 'smtp.gmail.com')
    SMTP_PORT = int(os.getenv('SMTP_PORT', '587'))
    EMAIL_USER = os.getenv('EMAIL_USER', '')
    EMAIL_PASSWORD = os.getenv('EMAIL_PASSWORD', '')
    
    # Ollama
    OLLAMA_BASE_URL = os.getenv('OLLAMA_BASE_URL', 'http://localhost:11434')
    OLLAMA_MODEL = os.getenv('OLLAMA_MODEL', 'llama2')
    OLLAMA_API_KEY = os.getenv('OLLAMA_API_KEY', '')
    OLLAMA_ENABLED = os.getenv('OLLAMA_ENABLED', 'false').lower() == 'true'
    
    # Flask
    FLASK_PORT = int(os.getenv('FLASK_PORT', '5000'))
    
    # Tracking
    TRACKING_ENABLED = os.getenv('TRACKING_ENABLED', 'true').lower() == 'true'
    TRACKING_API_URL = os.getenv('TRACKING_API_URL', f'http://localhost:{os.getenv("FLASK_PORT", "5000")}')
    TRACKING_DATA_RETENTION_DAYS = int(os.getenv('TRACKING_DATA_RETENTION_DAYS', '90'))
    
    @classmethod
    def print_config(cls):
        """Print configuration (without sensitive data)"""
        print("\nApplication Configuration:")
        print(f"  MongoDB URI: {cls.MONGODB_URI}")
        print(f"  Database: {cls.DB_NAME}")
        print(f"  Flask Port: {cls.FLASK_PORT}")
        print(f"  Ollama Base URL: {cls.OLLAMA_BASE_URL}")
        print(f"  Ollama Model: {cls.OLLAMA_MODEL}")
        print(f"  Ollama Enabled: {cls.OLLAMA_ENABLED}")
        print(f"  Tracking Enabled: {cls.TRACKING_ENABLED}")
        print(f"  Tracking API URL: {cls.TRACKING_API_URL}")