from pathlib import Path

from pydantic_settings import BaseSettings, SettingsConfigDict

ROOT_DIR = Path(__file__).resolve().parents[2]


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

    wecom_webhook_url: str = ""
    binance_fapi_base: str = "https://fapi.binance.com"
    top_n: int = 30
    volume_threshold: float = 10_000_000
    change_threshold: float = 5.0
    refresh_minutes: int = 5
    host: str = "127.0.0.1"
    port: int = 21450
    db_path: str = str(ROOT_DIR / "data" / "monitor.db")
    max_concurrency: int = 3
    request_interval_sec: float = 0.15
    ban_cooldown_sec: int = 90
    max_retries: int = 5
    candidate_pool: int = 150
    # 代理默认关闭；仅当 PROXY_ENABLED=true 时生效
    proxy_enabled: bool = False
    proxy_url: str = "socks5h://192.168.8.4:1081"
    proxy_for: str = "binance"  # binance | wecom | all


settings = Settings()