# Copyright 2022 (c) Anna Schumaker.
"""Tests our medium Gio.ListModel."""
import pathlib
import unittest.mock
import emmental.db
import tests.util
from gi.repository import Gtk


class TestMediumObject(tests.util.TestCase):
    """Tests our medium object."""

    def setUp(self):
        """Set up common variables."""
        super().setUp()
        self.table = self.sql.media
        self.medium = emmental.db.media.Medium(table=self.table, name="",
                                               mediumid=123, propertyid=456)

    def test_init(self):
        """Test that the Media is set up properly."""
        self.assertIsInstance(self.medium, emmental.db.playlist.Playlist)
        self.assertEqual(self.medium.table, self.table)
        self.assertEqual(self.medium.propertyid, 456)
        self.assertEqual(self.medium.mediumid, 123)
        self.assertEqual(self.medium.primary_key, 123)
        self.assertEqual(self.medium.albumid, 0)
        self.assertEqual(self.medium.number, 1)
        self.assertEqual(self.medium.name, "")
        self.assertEqual(self.medium.type, "")

    def test_get_album(self):
        """Test getting this Medium's Album."""
        self.assertIsNone(self.medium.get_album())
        self.assertIsNone(self.medium.parent)

        album = self.sql.albums.create("Test Album", "Album Artist", "2023")
        self.medium.albumid = album.albumid
        self.assertEqual(self.medium.get_album(), album)
        self.assertEqual(self.medium.parent, album)

    def test_rename(self):
        """Test the rename() function."""
        with unittest.mock.patch.object(self.table, "rename",
                                        return_value=True) as mock_rename:
            self.assertTrue(self.medium.rename("New Name"))
            mock_rename.assert_called_with(self.medium, "New Name")


class TestFilter(tests.util.TestCase):
    """Test the medium filter."""

    def setUp(self):
        """Set up common variables."""
        super().setUp()
        self.filter = emmental.db.media.Filter()

    def test_init(self):
        """Test that the filter is initialized properly."""
        self.assertIsInstance(self.filter, emmental.db.table.KeySet)

    def test_strictness(self):
        """Test checking strictness."""
        self.filter.keys = None
        self.assertEqual(self.filter.get_strictness(), Gtk.FilterMatch.SOME)
        self.filter.keys = set()
        self.assertEqual(self.filter.get_strictness(), Gtk.FilterMatch.NONE)
        self.filter.keys = {1, 2, 3}
        self.assertEqual(self.filter.get_strictness(), Gtk.FilterMatch.SOME)

    def test_match(self):
        """Test matching a Medium."""
        album = self.sql.albums.create("Test Album", "Test Artist", "123")
        medium = self.sql.media.create(album, "", number=1)
        self.assertFalse(self.filter.match(medium))
        medium.name = "abcde"
        self.assertTrue(self.filter.match(medium))


class TestMediumsTable(tests.util.TestCase):
    """Tests our mediums table."""

    def setUp(self):
        """Set up common variables."""
        super().setUp()
        self.album = self.sql.albums.create("Test Album", "Test Artist", "123")
        self.table = self.sql.media

        self.library = self.sql.libraries.create(pathlib.Path("/a/b"))
        self.year = self.sql.years.create(2023)

    def test_init(self):
        """Test that the medium model is configured corretly."""
        self.assertIsInstance(self.table, emmental.db.playlist.Table)
        self.assertIsInstance(self.table.get_filter(),
                              emmental.db.media.Filter)
        self.assertEqual(len(self.table), 0)
        self.assertTrue(self.table.autodelete)
        self.assertFalse(self.table.system_tracks)

    def test_add_track(self):
        """Test adding a Track to a Medium playlist."""
        medium = self.table.create(self.album, "", number=1)
        track = self.sql.tracks.create(self.library, pathlib.Path("1.ogg"),
                                       medium, self.year)
        self.assertTrue(self.table.add_track(medium, track))

        medium2 = self.table.create(self.album, "", number=2)
        self.assertFalse(self.table.add_track(medium2, track))

    def test_construct(self):
        """Test constructing a medium playlist."""
        medium = self.table.construct(mediumid=1, propertyid=1,
                                      albumid=self.album.albumid,
                                      name="Medium 2", number=2, type="CD")
        self.assertIsInstance(medium, emmental.db.media.Medium)
        self.assertEqual(medium.table, self.table)
        self.assertEqual(medium.propertyid, 1)
        self.assertEqual(medium.mediumid, 1)
        self.assertEqual(medium.albumid, self.album.albumid)
        self.assertEqual(medium.name, "Medium 2")
        self.assertEqual(medium.number, 2)
        self.assertEqual(medium.type, "CD")
        self.assertFalse(medium.tracks_movable)

    def test_create(self):
        """Test creating a medium playlist."""
        medium1 = self.table.create(self.album, "", number=1)
        self.assertIsInstance(medium1, emmental.db.media.Medium)
        self.assertEqual(medium1.albumid, self.album.albumid)
        self.assertEqual(medium1.name, "")
        self.assertEqual(medium1.number, 1)
        self.assertEqual(medium1.type, "")
        self.assertEqual(medium1.sort_order, "mediumno, number")
        self.assertTrue(self.album.has_medium(medium1))

        cur = self.sql("SELECT COUNT(name) FROM media")
        self.assertEqual(cur.fetchone()["COUNT(name)"], 1)

        row = self.sql("""SELECT COUNT(*) FROM playlist_properties
                          WHERE propertyid=?""", medium1.propertyid).fetchone()
        self.assertEqual(row["COUNT(*)"], 1)

        medium2 = self.table.create(self.album, "Test Medium",
                                    number=2, type="CD")
        self.assertEqual(medium2.name, "Test Medium")
        self.assertEqual(medium2.number, 2)
        self.assertEqual(medium2.type, "CD")

        cur = self.sql("SELECT COUNT(name) FROM media")
        self.assertEqual(cur.fetchone()["COUNT(name)"], 2)

        self.assertIsNone(self.table.create(self.album, "", number=1))

    def test_delete(self):
        """Test deleting a medium playlist."""
        medium = self.table.create(self.album, "Medium 1", number=1)
        self.assertTrue(medium.delete())
        self.assertIsNone(self.table.index(medium))
        self.assertFalse(self.album.has_medium(medium))

        cur = self.sql("SELECT COUNT(name) FROM media")
        self.assertEqual(cur.fetchone()["COUNT(name)"], 0)
        self.assertEqual(len(self.table), 0)
        self.assertIsNone(self.table.get_item(0))

        row = self.sql("""SELECT COUNT(*) FROM playlist_properties
                          WHERE propertyid=?""", medium.propertyid).fetchone()
        self.assertEqual(row["COUNT(*)"], 0)

        self.assertFalse(medium.delete())

    def test_get_trackids(self):
        """Test loading medium tracks from the database."""
        medium = self.table.create(self.album, "", number=1)
        track1 = self.sql.tracks.create(self.library, pathlib.Path("1.ogg"),
                                        medium, self.year)
        track2 = self.sql.tracks.create(self.library, pathlib.Path("2.ogg"),
                                        medium, self.year)
        self.assertSetEqual(self.table.get_trackids(medium),
                            {track1.trackid, track2.trackid})

    def test_filter(self):
        """Test filtering medium playlists."""
        self.table.create(self.album, "Medium 1", number=1)
        self.table.create(self.album, "Medium 2", number=2)
        self.table.create(self.album, "", number=3)

        self.table.filter("*1", now=True)
        self.assertSetEqual(self.table.get_filter().keys, {1})
        self.table.filter("medium*", now=True)
        self.assertSetEqual(self.table.get_filter().keys, {1, 2})

    def test_get_sort_key(self):
        """Test getting a medium's sort key."""
        medium = self.table.create(self.album, "Medium 2", number=2)
        self.assertTupleEqual(self.table.get_sort_key(medium),
                              (1, 2, ("medium", "2"), ""))

    def test_load(self):
        """Test loading mediums from the database."""
        self.table.create(self.album, "", number=1)
        self.table.create(self.album, "Medium 2", number=2,
                          type="Digital Media")

        mediums2 = emmental.db.media.Table(self.sql)
        self.assertEqual(len(mediums2), 0)

        mediums2.load(now=True)
        self.assertEqual(len(mediums2.store), 2)

        self.assertEqual(mediums2.store.get_item(0).albumid,
                         self.album.albumid)
        self.assertEqual(mediums2.store.get_item(0).name, "")
        self.assertEqual(mediums2.store.get_item(0).number, 1)
        self.assertEqual(mediums2.store.get_item(0).type, "")

        self.assertEqual(mediums2.store.get_item(1).albumid,
                         self.album.albumid)
        self.assertEqual(mediums2.store.get_item(1).name, "Medium 2")
        self.assertEqual(mediums2.store.get_item(1).number, 2)
        self.assertEqual(mediums2.store.get_item(1).type, "Digital Media")

    def test_lookup(self):
        """Test looking up medium playlists."""
        medium1 = self.table.create(self.album, "Test Medium",
                                    number=1, type="CD")
        medium2 = self.table.create(self.album, "", number=2,
                                    type="Digital Media")

        self.assertEqual(self.table.lookup(self.album, number=1,
                                           type="CD"), medium1)
        self.assertEqual(self.table.lookup(self.album, number=2,
                                           type="Digital Media"), medium2)
        self.assertIsNone(self.table.lookup(self.album, number=3,
                                            type="Enhanced CD"))

    def test_remove_track(self):
        """Test removing a Track from the Medium."""
        medium = self.table.create(self.album, "Test Medium",
                                   number=1, type="CD")
        self.assertTrue(self.table.remove_track(medium, unittest.mock.Mock()))

    def test_rename(self):
        """Test renaming a medium playlist."""
        medium1 = self.table.create(self.album, "Medium 1",
                                    number=1, type="CD")
        medium2 = self.table.create(self.album, "Medium 2",
                                    number=1, type="Digital Medium")

        self.assertTrue(medium1.rename("Medium 3"))
        self.assertEqual(medium1.name, "Medium 3")
        self.assertIsNone(self.sql("SELECT name FROM media WHERE name=?",
                                   "Test Medium").fetchone())

        self.assertListEqual(self.table.store.items, [medium2, medium1])

        self.assertFalse(medium1.rename("Medium 3"))

    def test_update(self):
        """Test updating medium attributes."""
        medium = self.table.create(self.album, "Test Medium",
                                   number=1, type="CD")
        medium.active = True
        medium.loop = "Track"
        medium.shuffle = True
        medium.sort_order = "trackid"

        row = self.sql("""SELECT active, loop, shuffle,
                                 sort_order, current_trackid
                          FROM media_view WHERE mediumid=?""",
                       medium.mediumid).fetchone()
        self.assertTrue(row["active"])
        self.assertEqual(row["loop"], "Track")
        self.assertTrue(row["shuffle"])
        self.assertEqual(row["sort_order"], "trackid")
        self.assertIsNone(row["current_trackid"])