"""Application configuration via pydantic-settings."""

from pydantic_settings import BaseSettings


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

    # Database
    database_url: str = "postgresql+asyncpg://debate:debate_dev@localhost:5433/debate"

    # Security
    secret_key: str = "change-me-in-production"
    csrf_secret_key: str = "change-me-in-production"

    # Environment
    environment: str = "development"
    debug: bool = True

    # CORS and trusted hosts
    allowed_hosts: str = "localhost,127.0.0.1"
    allowed_origins: str = "http://localhost:3000,http://127.0.0.1:3000"

    # Cookie settings
    cookie_domain: str = "localhost"

    # Build sandbox settings
    sandbox_root: str = "/var/lib/debate/sandbox"
    iso_output_root: str = "/var/lib/debate/builds"

    @property
    def allowed_hosts_list(self) -> list[str]:
        """Parse allowed hosts as a list."""
        return [h.strip() for h in self.allowed_hosts.split(",") if h.strip()]

    @property
    def allowed_origins_list(self) -> list[str]:
        """Parse allowed origins as a list."""
        return [o.strip() for o in self.allowed_origins.split(",") if o.strip()]

    @property
    def is_production(self) -> bool:
        """Check if running in production environment."""
        return self.environment == "production"

    class Config:
        """Pydantic settings configuration."""

        env_file = ".env"
        env_file_encoding = "utf-8"
        extra = "ignore"


# Global settings instance
settings = Settings()