import os

import mutagen
import pytest
from symuid._tag_interface import Ogg

# pylint: disable=protected-access


@pytest.mark.parametrize("track_name", ["ogg-opus-empty.opus"])
def test_get_track_path(tracks_dir_path, track_name):
    track_path = os.path.join(tracks_dir_path, track_name)
    iface = Ogg(mutagen.File(track_path))
    assert track_path == iface.track_path


@pytest.mark.parametrize(
    ("track_name", "tag_label", "expected_text"),
    [
        ("ogg-opus-empty.opus", "artist", None),
        ("ogg-opus-typical.opus", "artist", "some artist"),
        ("ogg-opus-typical.opus", "comment", "some comment"),
        ("ogg-opus-typical.opus", "com", None),
        (
            "ogg-opus-typical.opus",
            "symuid:uuid",
            "613ea4ac-a4cf-4026-8e99-1904b2bb5cd0",
        ),
    ],
)
def test__get_single_text(tracks_dir_path, track_name, tag_label, expected_text):
    iface = Ogg(mutagen.File(os.path.join(tracks_dir_path, track_name)))
    assert expected_text == iface._get_single_text(tag_label)


@pytest.mark.parametrize(
    ("track_name", "expected_comment"),
    [("ogg-opus-empty.opus", None), ("ogg-opus-typical.opus", "some comment"),],
)
def test_get_comment(tracks_dir_path, track_name, expected_comment):
    iface = Ogg(mutagen.File(os.path.join(tracks_dir_path, track_name)))
    assert expected_comment == iface.get_comment()


def test_set_comment(empty_ogg_opus_path):
    iface = Ogg(mutagen.File(empty_ogg_opus_path))
    assert iface.get_comment() is None
    iface.set_comment("latin")
    assert iface.get_comment() == "latin"
    iface.set_comment("你好")
    assert iface.get_comment() == "你好"
    iface.save()
    iface_reread = Ogg(mutagen.File(empty_ogg_opus_path))
    assert iface_reread.get_comment() == "你好"
    tags = mutagen.File(iface.track_path).tags
    assert len(tags) == 1
    assert tags.items()[0] == ("comment", ["你好"])


@pytest.mark.parametrize(
    ("track_name", "expected_uuid"),
    [
        ("ogg-opus-empty.opus", None),
        (
            "ogg-opus-typical.opus",
            b"a>\xa4\xac\xa4\xcf@&\x8e\x99\x19\x04\xb2\xbb\\\xd0",
        ),
    ],
)
def test_get_track_uuid(tracks_dir_path, track_name, expected_uuid):
    iface = Ogg(mutagen.File(os.path.join(tracks_dir_path, track_name)))
    assert expected_uuid == iface.get_track_uuid()


def test_set_track_uuid(empty_ogg_opus_path):
    iface = Ogg(mutagen.File(empty_ogg_opus_path))
    assert iface.get_track_uuid() is None
    uuid_a = b"\x9e\xa7\xc4\xf0\xda\xecE\xb7\xab\x9a\xba\x9f\xc6\xaa\xc0S"
    iface.set_track_uuid(uuid_a)
    assert iface.get_track_uuid() == uuid_a
    uuid_b = b"_\xa0\xd7\xc0\xf3\x15F\x14\xbe\xe4idM=\x80\xb3"
    iface.set_track_uuid(uuid_b)
    assert iface.get_track_uuid() == uuid_b
    iface.save()
    iface_reread = Ogg(mutagen.File(empty_ogg_opus_path))
    assert iface_reread.get_track_uuid() == uuid_b
    tags = mutagen.File(iface.track_path).tags
    assert len(tags) == 1
    assert tags.items()[0] == ("symuid:uuid", ["5fa0d7c0-f315-4614-bee4-69644d3d80b3"])


@pytest.mark.parametrize(
    ("track_name", "tag_label", "expected_int"),
    [
        ("ogg-opus-empty.opus", "tracknumber", None),
        ("ogg-opus-typical.opus", "tracknumber", 21),
        ("ogg-opus-typical.opus", "tracknumberr", None),
        ("ogg-opus-typical.opus", "symuid:pcnt:player:library:1572098177", 43),
    ],
)
def test_get_free_int(tracks_dir_path, track_name, tag_label, expected_int):
    iface = Ogg(mutagen.File(os.path.join(tracks_dir_path, track_name)))
    assert expected_int == iface.get_free_int(tag_label)


def test_get_free_ints(tracks_dir_path):
    iface = Ogg(mutagen.File(os.path.join(tracks_dir_path, "ogg-opus-typical.opus")))
    assert not list(iface.get_free_ints("symuid:none"))
    assert list(iface.get_free_ints("tracknumber")) == [("tracknumber", 21)]
    assert not list(iface.get_free_ints("tracknum"))
    pcnt_tags = {
        ("symuid:pcnt:player:library:1572098158", 42),
        ("symuid:pcnt:player:library:1572098177", 43),
    }
    assert set(iface.get_free_ints("symuid:pcnt:player:library")) == pcnt_tags
    assert set(iface.get_free_ints("symuid:pcnt:player")) == pcnt_tags
    assert set(iface.get_free_ints("symuid:pcnt")) == pcnt_tags
    assert set(iface.get_free_ints("symuid:pcnt:player:library:1572098158")) == {
        ("symuid:pcnt:player:library:1572098158", 42)
    }


def test_set_free_int(empty_ogg_opus_path):
    iface = Ogg(mutagen.File(empty_ogg_opus_path))
    assert iface.get_free_int("tracknumber") is None
    iface.set_free_int("tracknumber", 7)
    assert iface.get_free_int("tracknumber") == 7
    iface.set_free_int("tracknumber", 14)
    assert iface.get_free_int("tracknumber") == 14
    iface.save()
    iface_reread = Ogg(mutagen.File(empty_ogg_opus_path))
    assert iface_reread.get_free_int("tracknumber") == 14
    tags = mutagen.File(iface.track_path).tags
    assert len(tags) == 1
    assert tags.items()[0] == ("tracknumber", ["14"])