# Copyright 2021 (c) Anna Schumaker.
import datetime
import db
import pathlib
import unittest
from gi.repository import GObject
from . import task

test_tracks  = pathlib.Path("./data/Test Album")
test_track01 = test_tracks / "01 - Test Track.ogg"

class TestScannerTask(unittest.TestCase):
    def test_scanner_task_init(self):
        t = task.Task()
        self.assertIsInstance(t, GObject.GObject)
        with self.assertRaises(NotImplementedError):
            t.run_task()


class TestScannerCommitTask(unittest.TestCase):
    def test_scanner_commit_task(self):
        ct = task.CommitTask()
        self.assertIsInstance(ct, task.Task)
        self.assertEqual(ct.run_task(), None)


class TestScannerFileTask(unittest.TestCase):
    def setUp(self):
        db.reset()

    def test_scanner_file_task(self):
        lib = db.library.Table.find(test_tracks)
        ft = task.FileTask(lib, test_track01)

        self.assertIsInstance(ft, task.Task)
        self.assertEqual(ft.library,  lib)
        self.assertEqual(ft.filepath, test_track01)

        self.assertIsNone(ft.run_task())
        self.assertIsNone(ft.run_task())

        artist = db.artist.Table.lookup("Test Artist")
        self.assertEqual(artist.sort, "artist, test")

        album = db.album.Table.lookup(artist, "Test Album")
        self.assertIsNotNone(album)

        self.assertIsNotNone(db.disc.Table.lookup(album, 1))
        self.assertIsNotNone(db.year.Table.lookup(2019))

        track = db.track.Table.lookup(test_track01)
        self.assertEqual(track.number, 1)
        self.assertEqual(track.length, 10)
        self.assertEqual(track.title, "Test Track")
        self.assertEqual(track.path, test_track01)

        genre = db.genre.Table.lookup("Test")
        self.assertEqual(db.genre.Map.lookup_tracks(genre), [ track ])

        new = db.playlist.Table.find("New Tracks")
        self.assertEqual(db.playlist.TempMap.lookup_tracks(new), [ track ])


class TestScannerImportTask(unittest.TestCase):
    def setUp(self):
        db.reset()

    def test_scanner_import_task(self):
        today = datetime.date.today()
        lib = db.library.Table.find(test_tracks)
        it = task.ImportTask(lib, test_track01, 4, today)

        self.assertIsInstance(it, task.FileTask)
        self.assertEqual(it.library,  lib)
        self.assertEqual(it.filepath, test_track01)
        self.assertEqual(it.playcount, 4)
        self.assertEqual(it.lastplayed, today)

        self.assertIsNone(it.run_task())

        track = db.track.Table.lookup(test_track01)
        self.assertEqual(track.playcount, 4)
        self.assertEqual(track.lastplayed,
                         datetime.datetime.combine(today, datetime.time()))


class TestScannerDirectoryTask(unittest.TestCase):
    def setUp(self):
        db.reset()

    def test_scanner_directory_task(self):
        lib = db.library.Table.find(test_tracks)
        dt = task.DirectoryTask(lib, test_tracks)

        self.assertIsInstance(dt, task.Task)
        self.assertEqual(dt.library, lib)
        self.assertEqual(dt.dirpath, test_tracks)

        tasks = dt.run_task()
        self.assertIsNotNone(tasks)
        self.assertEqual(len(tasks), 15)

        file_tasks  = [ t for t in tasks if isinstance(t, task.FileTask) ]
        dir_tasks   = [ t for t in tasks if isinstance(t, task.DirectoryTask) ]
        commit_task = [ t for t in tasks if isinstance(t, task.CommitTask) ]

        self.assertEqual(len(file_tasks), 13)
        self.assertEqual(len(dir_tasks), 1)
        self.assertEqual(len(commit_task), 1)