"""TieMeasureFlow Server Configuration."""
from pathlib import Path
from pydantic_settings import BaseSettings


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

    # Database
    db_host: str = "localhost"
    db_port: int = 3306
    db_name: str = "tiemeasureflow"
    db_user: str = "tmflow"
    db_password: str = "change_me_in_production"

    # Server
    server_host: str = "0.0.0.0"
    server_port: int = 8000
    server_secret_key: str = "change-this-to-a-random-secret-key"
    server_cors_origins: str = "http://localhost:5000"

    # File Storage
    upload_dir: str = "uploads"
    max_upload_size_mb: int = 50

    # Rate Limiting (requests per minute)
    rate_limit_login: int = 5
    rate_limit_general: int = 100

    # SSL (Production)
    ssl_certfile: str | None = None
    ssl_keyfile: str | None = None

    # Setup page (empty = disabled)
    setup_password: str | None = None

    @property
    def database_url(self) -> str:
        """Async MySQL connection string."""
        return (
            f"mysql+asyncmy://{self.db_user}:{self.db_password}"
            f"@{self.db_host}:{self.db_port}/{self.db_name}"
        )

    @property
    def cors_origins(self) -> list[str]:
        """Parse CORS origins from comma-separated string."""
        return [origin.strip() for origin in self.server_cors_origins.split(",")]

    @property
    def upload_path(self) -> Path:
        """Absolute path to upload directory."""
        return Path(__file__).parent / self.upload_dir

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


settings = Settings()