"""
Configuration module for FactsDB service
Loads configuration from environment variables
"""

import os
from dataclasses import dataclass
from typing import Optional

@dataclass
class DatabaseConfig:
    """Database configuration"""
    path: str = "./facts.db"

@dataclass
class AIEndpointConfig:
    """AI endpoint configuration"""
    url: str = "http://example.com:4000/v1/chat/completions"
    auth_token: str = "111"

@dataclass
class FTPServerConfig:
    """FTP server configuration"""
    host: str = "0.0.0.0"
    port: int = 2121
    username: str = "factsdb"
    password: str = "factsdb"

@dataclass
class SchedulerConfig:
    """Scheduler configuration"""
    interval_minutes: int = 10

class Config:
    """Main configuration class"""
    
    def __init__(self):
        self.database = DatabaseConfig(
            path=os.getenv('DATABASE_PATH', 'facts.db')
        )
        
        self.ai_endpoint = AIEndpointConfig(
            url=os.getenv('AI_ENDPOINT_URL', 'http://example.com:4000/v1/chat/completions'),
            auth_token=os.getenv('AI_ENDPOINT_TOKEN', '111')
        )
        
        self.ftp_server = FTPServerConfig(
            host=os.getenv('FTP_HOST', '0.0.0.0'),
            port=int(os.getenv('FTP_PORT', '2121')),
            username=os.getenv('FTP_USERNAME', 'factsdb'),
            password=os.getenv('FTP_PASSWORD', 'factsdb')
        )
        
        self.scheduler = SchedulerConfig(
            interval_minutes=int(os.getenv('SCHEDULER_INTERVAL', '10'))
        )