from pathlib import Path

from mic_clipper.service import install, render_unit, uninstall


def test_rendered_service_uses_cli_entrypoint_and_places_start_limits_in_unit():
    unit = render_unit(Path("/runtime/python"), Path("/project"))

    assert "After=pipewire.service wireplumber.service pipewire-pulse.service" in unit
    assert "StartLimitIntervalSec=300" in unit.split("[Service]", maxsplit=1)[0]
    assert "StartLimitBurst=10" in unit.split("[Service]", maxsplit=1)[0]
    assert "Restart=on-failure" in unit
    assert "RestartMaxDelaySec=60s" in unit
    assert "ExecStart=/runtime/python -m mic_clipper.cli run" in unit
    assert "UMask=0077" in unit


def test_install_and_uninstall_only_manage_the_tool_unit(tmp_path):
    unit_path = tmp_path / "systemd" / "mic-clipper.service"
    clips = tmp_path / "Mic Clips" / "2026-09-29" / "keep.opus"
    clips.parent.mkdir(parents=True)
    clips.write_bytes(b"recording")
    commands: list[list[str]] = []

    install(
        unit_path=unit_path,
        python=Path("/runtime/python"),
        project_root=Path("/project"),
        run_command=commands.append,
    )
    install(
        unit_path=unit_path,
        python=Path("/runtime/python"),
        project_root=Path("/project"),
        run_command=commands.append,
    )
    uninstall(unit_path=unit_path, run_command=commands.append)

    assert not unit_path.exists()
    assert clips.read_bytes() == b"recording"
    assert commands == [
        ["systemctl", "--user", "daemon-reload"],
        ["systemctl", "--user", "enable", "--now", "mic-clipper.service"],
        ["systemctl", "--user", "daemon-reload"],
        ["systemctl", "--user", "enable", "--now", "mic-clipper.service"],
        ["systemctl", "--user", "disable", "--now", "mic-clipper.service"],
        ["systemctl", "--user", "daemon-reload"],
    ]


def test_dry_run_does_not_write_a_unit(tmp_path):
    unit_path = tmp_path / "mic-clipper.service"

    commands = install(
        unit_path=unit_path,
        python=Path("/runtime/python"),
        project_root=Path("/project"),
        dry_run=True,
    )

    assert not unit_path.exists()
    assert commands[-1] == ["systemctl", "--user", "enable", "--now", "mic-clipper.service"]