"""Unit tests for git proxy helpers."""

from mytoolkit.commands.git import _proxy_loopback_port


def test_proxy_loopback_port_http():
    assert _proxy_loopback_port("http://127.0.0.1:38457") == 38457
    assert _proxy_loopback_port("http://localhost:10080") == 10080


def test_proxy_loopback_port_rejects_remote():
    assert _proxy_loopback_port("http://10.211.55.2:38457") is None
    assert _proxy_loopback_port("socks5://127.0.0.1:1080") is None


def test_procs_matching_filters_by_command():
    from mytoolkit.commands.git import _procs_matching
    import os

    pid = os.getpid()
    # Current test process command line contains "python".
    assert pid in _procs_matching([pid], "python")
    assert _procs_matching([pid], "definitely-not-a-real-proc-xyz") == []


def test_restore_stale_git_proxy_restores_when_port_dead(monkeypatch):
    from mytoolkit.commands.git import _restore_stale_git_proxy

    restored: dict[str, object] = {}
    monkeypatch.setattr(
        "mytoolkit.commands.git._read_state",
        lambda: {"old_http": "http://old.example:1", "old_https": None},
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._get_git_proxy",
        lambda key: "http://127.0.0.1:59999",
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._proxy_loopback_port", lambda url: 59999
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._port_listening_on", lambda host, port: False
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._restore_proxy_key",
        lambda key, old: restored.__setitem__(key, old),
    )
    assert _restore_stale_git_proxy() is True
    assert restored == {"http.proxy": "http://old.example:1", "https.proxy": None}


def test_restore_stale_git_proxy_noop_when_alive(monkeypatch):
    from mytoolkit.commands.git import _restore_stale_git_proxy

    restored: dict[str, object] = {}
    monkeypatch.setattr(
        "mytoolkit.commands.git._read_state",
        lambda: {"old_http": "http://old.example:1"},
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._get_git_proxy",
        lambda key: "http://127.0.0.1:59999",
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._proxy_loopback_port", lambda url: 59999
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._port_listening_on", lambda host, port: True
    )
    monkeypatch.setattr(
        "mytoolkit.commands.git._restore_proxy_key",
        lambda key, old: restored.__setitem__(key, old),
    )
    assert _restore_stale_git_proxy() is False
    assert restored == {}