# -*- coding: utf-8 -*-
# Copyright 2011-2016 Michael Helmling
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation
#
import taglib


def test_remove_genre_frame_from_mp3(test_data):
    """See https://bugs.kde.org/show_bug.cgi?id=298183"""
    f = test_data("rare_frames.mp3")
    tfile = taglib.File(f)
    assert "GENRE" in tfile.tags
    assert len(tfile.tags["GENRE"]) == 1

    del tfile.tags["GENRE"]
    tfile.save()
    tfile.close()

    tfile = taglib.File(f)
    assert "GENRE" not in tfile.tags
    tfile.close()


def test_remove_title_frame_from_mp3(test_data):
    """See https://bugs.kde.org/show_bug.cgi?id=298183."""
    f = test_data("r2.mp3")
    tfile = taglib.File(f)
    assert "TITLE" in tfile.tags
    assert len(tfile.tags["TITLE"]) == 1

    del tfile.tags["TITLE"]
    tfile.save()
    tfile.close()

    tfile = taglib.File(f)
    assert "TITLE" not in tfile.tags
    tfile.close()


def test_id3v1_is_converted_to_v2_on_save(test_data):
    f = test_data("onlyv1.mp3")
    tfile = taglib.File(f)
    assert "ARTIST" in tfile.tags
    assert tfile.tags["ARTIST"][0] == "Bla"
    tfile.tags["NONID3V1"] = ["omg", "wtf"]
    ret = tfile.save()
    assert len(ret) == 0
    tfile.close()

    tfile = taglib.File(f)
    assert "NONID3V1" in tfile.tags
    tfile.close()