import pathlib
import shutil
import pytest

from solo_tool.solo_tool_controller import SoloToolController
from solo_tool.solo_tool import SoloTool

pytestmark = pytest.mark.skip(reason="not yet implemented")

@pytest.fixture
def prepared_tmp_path(tmp_path):
    testFiles = [
        "test.flac",
        "test.mp3",
        "test_session.json"
    ]
    for f in testFiles:
        shutil.copy(pathlib.Path(f), tmp_path)
    return tmp_path

@pytest.fixture
def soloTool(prepared_tmp_path):
    st = SoloTool()
    st.loadSession(prepared_tmp_path / "test_session.json")
    return st

@pytest.fixture
def uut(soloTool):
    return SoloToolController(soloTool)

def test_previousSong(uut, soloTool):
    called = False
    receivedValue = None
    def callback(value):
        nonlocal called, receivedValue
        called = True
        receivedValue = value

    soloTool.registerCurrentSongCallback(callback)
    
    soloTool.song == None
    assert not called

    uut.previousSong()
    soloTool.song == 0
    assert called
    assert receivedValue == 0
    called = False

    uut.previousSong()
    soloTool.song == 0
    assert not called

    soloTool.song = 1
    uut.previousSong()
    soloTool.song == 0
    assert called
    assert receivedValue == 0
    called = False

def test_nextSong(uut, soloTool):
    called = False
    receivedValue = None
    def callback(value):
        nonlocal called, receivedValue
        called = True
        receivedValue = value

    soloTool.registerCurrentSongCallback(callback)
    
    soloTool.song == None
    assert not called

    uut.nextSong()
    soloTool.song == 0
    assert called
    assert receivedValue == 0
    called = False

    uut.nextSong()
    soloTool.song == 1
    assert called
    assert receivedValue == 1
    called = False

    uut.nextSong()
    soloTool.song == 1
    assert not called