"""Application configuration."""
from typing import List
from pydantic_settings import BaseSettings
from pydantic import field_validator


class Settings(BaseSettings):
    """Application settings loaded from environment variables."""

    # App
    APP_NAME: str = "AI Worker Platform"
    APP_VERSION: str = "1.1.0"
    SECRET_KEY: str = "dev-secret-key-change-in-production"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 1440  # 24 hours

    # Database
    DATABASE_URL: str = "sqlite:///./ai_worker.db"

    # Redis
    REDIS_URL: str = ""

    # LLM Defaults
    DEFAULT_LLM_PROVIDER: str = "deepseek"
    DEFAULT_LLM_API_KEY: str = ""
    DEFAULT_LLM_BASE_URL: str = "https://api.deepseek.com"
    DEFAULT_LLM_MODEL: str = "deepseek-v4-flash"

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

    @field_validator("CORS_ORIGINS")
    @classmethod
    def parse_cors(cls, v: str) -> str:
        return v

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

    model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}


settings = Settings()