import datetime
import os
import os.path

from beets import config
from beets.library import Album, Item
from beets.test.helper import BeetsTestCase
from beetsplug.importfeeds import ImportFeedsPlugin


class ImportfeedsTestTest(BeetsTestCase):
    def setUp(self):
        super().setUp()
        self.importfeeds = ImportFeedsPlugin()
        self.feeds_dir = os.path.join(os.fsdecode(self.temp_dir), "importfeeds")
        config["importfeeds"]["dir"] = self.feeds_dir

    def test_multi_format_album_playlist(self):
        config["importfeeds"]["formats"] = "m3u_multi"
        album = Album(album="album/name", id=1)
        item_path = os.path.join("path", "to", "item")
        item = Item(title="song", album_id=1, path=item_path)
        self.lib.add(album)
        self.lib.add(item)

        self.importfeeds.album_imported(self.lib, album)
        playlist_path = os.path.join(
            self.feeds_dir, os.listdir(self.feeds_dir)[0]
        )
        assert playlist_path.endswith("album_name.m3u")
        with open(playlist_path) as playlist:
            self.assertIn(item_path, playlist.read())

    def test_playlist_in_subdir(self):
        config["importfeeds"]["formats"] = "m3u"
        config["importfeeds"]["m3u_name"] = os.path.join(
            "subdir", "imported.m3u"
        )
        album = Album(album="album/name", id=1)
        item_path = os.path.join("path", "to", "item")
        item = Item(title="song", album_id=1, path=item_path)
        self.lib.add(album)
        self.lib.add(item)

        self.importfeeds.album_imported(self.lib, album)
        playlist = os.path.join(
            self.feeds_dir, config["importfeeds"]["m3u_name"].get()
        )
        playlist_subdir = os.path.dirname(playlist)
        assert os.path.isdir(playlist_subdir)
        assert os.path.isfile(playlist)

    def test_playlist_per_session(self):
        config["importfeeds"]["formats"] = "m3u_session"
        config["importfeeds"]["m3u_name"] = "imports.m3u"
        album = Album(album="album/name", id=1)
        item_path = os.path.join("path", "to", "item")
        item = Item(title="song", album_id=1, path=item_path)
        self.lib.add(album)
        self.lib.add(item)

        self.importfeeds.import_begin(self)
        self.importfeeds.album_imported(self.lib, album)
        date = datetime.datetime.now().strftime("%Y%m%d_%Hh%M")
        playlist = os.path.join(self.feeds_dir, f"imports_{date}.m3u")
        assert os.path.isfile(playlist)
        with open(playlist) as playlist_contents:
            self.assertIn(item_path, playlist_contents.read())