"""核心配置 — Pydantic Settings 自动从 .env 读取"""
import json
from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    # ---- 数据库 ----
    DATABASE_URL: str = "postgresql+asyncpg://track:track_prod_2026@localhost:5433/track_production"

    # ---- JWT ----
    SECRET_KEY: str = "change-me-in-production"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 120      # Access Token: 2 小时
    REFRESH_TOKEN_EXPIRE_DAYS: int = 7           # Refresh Token: 7 天

    # ---- 调试 ----
    DEBUG: bool = True

    # ---- CORS 跨域白名单（JSON 数组字符串，直接从 .env 的 CORS_ORIGINS 读取） ----
    CORS_ORIGINS: str = '["http://localhost:1420", "tauri://localhost"]'

    @property
    def CORS_ORIGINS_LIST(self) -> list[str]:
        """将 JSON 字符串解析为 Python list，供 CORSMiddleware 使用"""
        try:
            return json.loads(self.CORS_ORIGINS)
        except (json.JSONDecodeError, TypeError):
            return ["http://localhost:1420", "tauri://localhost"]

    class Config:
        env_file = ".env"
        extra = "ignore"


settings = Settings()