"""Signal V2 환경변수 로딩."""
import os
from dataclasses import dataclass, field
from pathlib import Path

from dotenv import load_dotenv

# web-ai/.env 명시 로드 (signal_v2/config.py 의 parent.parent = web-ai/)
load_dotenv(Path(__file__).parent.parent / ".env")


@dataclass(frozen=True)
class Settings:
    stock_api_url: str = field(
        default_factory=lambda: os.getenv("STOCK_API_URL", "").rstrip("/")
    )
    webai_api_key: str = field(
        default_factory=lambda: os.getenv("WEBAI_API_KEY", "").strip()
    )
    port: int = field(default_factory=lambda: int(os.getenv("SIGNAL_V2_PORT", "8001")))
    db_path: Path = field(
        default_factory=lambda: Path(__file__).parent / "data" / "signal_v2.db"
    )


def get_settings() -> Settings:
    """매 호출 시 신선한 Settings (테스트 monkeypatch 호환)."""
    return Settings()