from pathlib import Path
from unittest.mock import Mock

from src.audio_player import AudioPlayer
from src.config_loader import AudioSettings


def config(**values: object) -> AudioSettings:
    base = dict(enabled=True, backend="pygame", file_path="prompt.wav", volume=.7, overlap_policy="skip")
    base.update(values)
    return AudioSettings(**base)


def test_disabled_and_missing_file_are_safe(tmp_path: Path) -> None:
    assert AudioPlayer(config(enabled=False)).play() is False
    player = AudioPlayer(config())
    player.load(tmp_path / "missing.wav")
    assert player.play() is False


def test_mock_backend_load_play_volume_and_close(tmp_path: Path) -> None:
    path = tmp_path / "prompt.wav"
    path.write_bytes(b"test")
    channel = Mock()
    channel.get_busy.return_value = False
    sound = Mock()
    sound.play.return_value = channel
    mixer = Mock()
    mixer.get_init.return_value = True
    mixer.Sound.return_value = sound
    backend = Mock(mixer=mixer)
    player = AudioPlayer(config(), backend)
    player.load(path)
    assert player.play()
    sound.set_volume.assert_called_once_with(.7)
    player.close()
    player.close()


def test_overlap_skip_and_restart(tmp_path: Path) -> None:
    path = tmp_path / "prompt.wav"
    path.write_bytes(b"x")
    for policy, expected in (("skip", 1), ("restart", 2)):
        channel = Mock()
        channel.get_busy.return_value = True
        sound = Mock(play=Mock(return_value=channel))
        mixer = Mock()
        mixer.get_init.return_value = True
        mixer.Sound.return_value = sound
        player = AudioPlayer(config(overlap_policy=policy), Mock(mixer=mixer))
        player.load(path)
        assert player.play()
        player.play()
        assert sound.play.call_count == expected