"""Arma 3 process configuration: executables, ports, directory layout."""


class Arma3ProcessConfig:

    def get_allowed_executables(self) -> list[str]:
        return ["arma3server_x64.exe", "arma3server.exe"]

    def get_port_conventions(self, game_port: int) -> dict[str, int]:
        """
        Arma 3 derives 3 additional ports from the game port.
        All 4 must be free when starting a server.
        rcon_port is separate (user-configurable, not auto-derived here).
        """
        return {
            "game": game_port,
            "steam_query": game_port + 1,
            "von": game_port + 2,
            "steam_auth": game_port + 3,
        }

    def get_default_game_port(self) -> int:
        return 2302

    def get_default_rcon_port(self, game_port: int) -> int | None:
        return game_port + 4  # e.g. 2306 for default game port

    def get_server_dir_layout(self) -> list[str]:
        """Subdirectories to create inside servers/{id}/."""
        return ["server", "battleye", "mpmissions"]