"""캡처 대상 목록 — 출력(게임 소리)과 입력(마이크) 전환."""

from __future__ import annotations

import pytest

from livesub import audio
from livesub.audio import (
    SOURCE_MODE_INPUT,
    SOURCE_MODE_OUTPUT,
    AudioSource,
    CaptureError,
    InputDeviceCapture,
    create_capture,
    list_sources,
)
from livesub.config import AudioConfig

MIC = AudioSource(kind="input", identifier="3", label="마이크 (Realtek)", detail="기본 입력 장치")
SPEAKER = AudioSource(kind="device", identifier="7", label="스피커", detail="기본 출력 장치")
GAME = AudioSource(kind="process", identifier="4242", label="Overwatch.exe")


@pytest.fixture
def fake_devices(monkeypatch):
    monkeypatch.setattr(InputDeviceCapture, "available", staticmethod(lambda: True))
    monkeypatch.setattr(InputDeviceCapture, "list_sources", staticmethod(lambda: [MIC]))
    monkeypatch.setattr(
        audio.WasapiLoopbackCapture, "list_sources", staticmethod(lambda: [SPEAKER])
    )
    monkeypatch.setattr(
        audio.ProcessLoopbackCapture, "available", staticmethod(lambda: True)
    )
    monkeypatch.setattr(
        audio.ProcessLoopbackCapture, "list_sources", staticmethod(lambda: [GAME])
    )


def test_기본은_프로그램과_출력_장치를_보여준다(fake_devices):
    kinds = [s.kind for s in list_sources()]
    assert kinds == ["process", "device"]
    assert list_sources() == list_sources(SOURCE_MODE_OUTPUT)


def test_입력_모드는_마이크만_보여준다(fake_devices):
    """두 목록을 섞으면 찾으려던 게임이 라인입력 사이에 파묻힌다."""
    sources = list_sources(SOURCE_MODE_INPUT)
    assert [s.kind for s in sources] == ["input"]
    assert sources[0].label == "마이크 (Realtek)"


def test_입력_장치도_장치_번호를_준다():
    assert MIC.device_index == 3
    assert MIC.pid == 0


def test_입력_백엔드로_캡처를_만든다(fake_devices):
    cfg = AudioConfig(backend="input", device_index=3)
    capture = create_capture(cfg)
    assert isinstance(capture, InputDeviceCapture)
    assert capture.device_index == 3


def test_입력_장치를_못_열면_이유를_알려준다(monkeypatch):
    monkeypatch.setattr(InputDeviceCapture, "available", staticmethod(lambda: False))
    with pytest.raises(CaptureError, match="입력 장치"):
        create_capture(AudioConfig(backend="input", device_index=3))


def test_입력_가능_여부가_환경_보고에_들어간다():
    assert "input" in audio.capture_capabilities()


def test_고른_목록_쪽을_설정에_기억한다():
    assert AudioConfig().source_mode == SOURCE_MODE_OUTPUT