import pytest
import os

@pytest.fixture(scope="session")
def server_config():
    """Provides server connection parameters from environment variables with defaults."""
    return {
        "host": os.getenv("OPENTTD_HOST", "127.0.0.1"),
        "game_port": int(os.getenv("OPENTTD_GAME_PORT", "3979")),
        "admin_port": int(os.getenv("OPENTTD_ADMIN_PORT", "3977")),
        "password": os.getenv("OPENTTD_PASSWORD", "asd")
    }