config.py

import logging
import os
from pathlib import Path
from pydantic_settings import BaseSettings, SettingsConfigDict
from pydantic import Field

# Setup logs directory
LOGS_DIR = Path(__file__).parent / "logs"
LOGS_DIR.mkdir(exist_ok=True)

# Configure Logging
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
    handlers=[
        logging.StreamHandler(),
        logging.FileHandler(LOGS_DIR / "app.log", encoding="utf-8")
    ]
)

logger = logging.getLogger("CryptoAgentSystem")

class Settings(BaseSettings):
    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        extra="ignore"
    )

    PORT: int = Field(default=8000, validation_alias="PORT")
    HOST: str = Field(default="0.0.0.0", validation_alias="HOST")
    DATABASE_URL: str = Field(default="sqlite:///./crypto_agent.db", validation_alias="DATABASE_URL")
    
    OPENROUTER_API_KEY: str = Field(default="", validation_alias="OPENROUTER_API_KEY")
    OPENROUTER_MODEL: str = Field(default="google/gemini-2.5-flash", validation_alias="OPENROUTER_MODEL")
    
    GEMINI_API_KEY: str = Field(default="", validation_alias="GEMINI_API_KEY")
    
    APIFY_API_TOKEN: str = Field(default="", validation_alias="APIFY_API_TOKEN")
    
    USE_REAL_KRONOS: bool = Field(default=False, validation_alias="USE_REAL_KRONOS")
    KRONOS_MODEL_NAME: str = Field(default="NeoQuasar/Kronos-small", validation_alias="KRONOS_MODEL_NAME")
    KRONOS_TOKENIZER_NAME: str = Field(default="NeoQuasar/Kronos-Tokenizer-base", validation_alias="KRONOS_TOKENIZER_NAME")
    
    KELLY_FRACTION: float = Field(default=0.25, validation_alias="KELLY_FRACTION")
    MAX_POSITION_SIZE: float = Field(default=0.5, validation_alias="MAX_POSITION_SIZE")

settings = Settings()
logger.info(f"Configuration loaded. Database URL: {settings.DATABASE_URL}, Use Real Kronos: {settings.USE_REAL_KRONOS}")