from __future__ import annotations

import json
from pathlib import Path

from typer.testing import CliRunner

import consumer_server_cli


runner = CliRunner()


def test_serve_accepts_positional_config_path(tmp_path: Path, monkeypatch) -> None:
    config_path = tmp_path / "commonwealth-server.json"
    config_path.write_text(
        json.dumps(
            {
                "host": "127.0.0.1",
                "port": 1,
                "server_name": "Arg Test",
                "max_players": 2,
                "log_verbosity": "info",
                "admin_port": 2,
            }
        )
        + "\n",
        encoding="utf-8",
        newline="\n",
    )

    # Avoid binding real sockets; validate CLI parsing only.
    called: dict[str, object] = {}

    class FakeService:
        def __init__(self) -> None:
            self.config = None

        def add_log_listener(self, _callback) -> None:
            return None

        def serve_forever(self) -> None:
            called["served"] = True

        def stop(self) -> None:
            return None

    monkeypatch.setattr(consumer_server_cli, "get_service", FakeService)
    monkeypatch.setattr(consumer_server_cli, "print_startup_banner", lambda _cfg: None)
    monkeypatch.setattr(consumer_server_cli, "ensure_writable_directory", lambda _path: None)
    monkeypatch.setattr(
        consumer_server_cli,
        "validate_config",
        lambda _cfg: (True, []),
    )
    monkeypatch.setattr(
        consumer_server_cli.signal,
        "signal",
        lambda *_args, **_kwargs: None,
    )

    result = runner.invoke(
        consumer_server_cli.app,
        ["serve", str(config_path)],
    )
    assert result.exit_code == 0, result.output
    assert called.get("served") is True


def test_serve_accepts_config_option(tmp_path: Path, monkeypatch) -> None:
    config_path = tmp_path / "commonwealth-server.json"
    config_path.write_text(
        json.dumps(
            {
                "host": "127.0.0.1",
                "port": 1,
                "server_name": "Arg Test",
                "max_players": 2,
                "log_verbosity": "info",
                "admin_port": 2,
            }
        )
        + "\n",
        encoding="utf-8",
        newline="\n",
    )

    called: dict[str, object] = {}

    class FakeService:
        def __init__(self) -> None:
            self.config = None

        def add_log_listener(self, _callback) -> None:
            return None

        def serve_forever(self) -> None:
            called["served"] = True

        def stop(self) -> None:
            return None

    monkeypatch.setattr(consumer_server_cli, "get_service", FakeService)
    monkeypatch.setattr(consumer_server_cli, "print_startup_banner", lambda _cfg: None)
    monkeypatch.setattr(consumer_server_cli, "ensure_writable_directory", lambda _path: None)
    monkeypatch.setattr(consumer_server_cli, "validate_config", lambda _cfg: (True, []))
    monkeypatch.setattr(consumer_server_cli.signal, "signal", lambda *_args, **_kwargs: None)

    result = runner.invoke(
        consumer_server_cli.app,
        ["serve", "--config", str(config_path)],
    )
    assert result.exit_code == 0, result.output
    assert called.get("served") is True