from pydantic_settings import BaseSettings
from pydantic import field_validator
from typing import List
import os


class Settings(BaseSettings):
    # App
    APP_NAME: str = "Stock Platform API"
    DEBUG: bool = False
    API_V1_PREFIX: str = "/api/v1"

    # Database
    DATABASE_URL: str = "postgresql+asyncpg://stock:stockpass@localhost:5432/stockdb"

    # Redis
    REDIS_URL: str = "redis://localhost:6379/0"
    CELERY_BROKER_URL: str = "redis://localhost:6379/1"

    # Auth
    SECRET_KEY: str = "change-me-in-production"
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
    REFRESH_TOKEN_EXPIRE_DAYS: int = 7

    # CORS
    ALLOWED_ORIGINS: str = "http://localhost:3000,http://localhost:5173"

    @property
    def cors_origins(self) -> List[str]:
        return [o.strip() for o in self.ALLOWED_ORIGINS.split(",")]

    # Tushare (optional)
    TUSHARE_TOKEN: str = ""

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


settings = Settings()