#!/usr/bin/env python
# coding: utf-8
#
# This file is part of Supysonic.
# Supysonic is a Python implementation of the Subsonic server API.
#
# Copyright (C) 2017 Alban 'spl0k' Féron
#
# Distributed under terms of the GNU AGPLv3 license.

import time
import uuid

from lxml import etree
from pony.orm import db_session

from supysonic.db import Folder, Artist, Album, Track

from .apitestbase import ApiTestBase


class BrowseTestCase(ApiTestBase):
    def setUp(self):
        super(BrowseTestCase, self).setUp()

        with db_session:
            Folder(root=True, name="Empty root", path="/tmp")
            root = Folder(root=True, name="Root folder", path="tests/assets")

            for letter in "ABC":
                folder = Folder(
                    name=letter + "rtist",
                    path="tests/assets/{}rtist".format(letter),
                    parent=root,
                )

                artist = Artist(name=letter + "rtist")

                for lether in "AB":
                    afolder = Folder(
                        name=letter + lether + "lbum",
                        path="tests/assets/{0}rtist/{0}{1}lbum".format(letter, lether),
                        parent=folder,
                    )

                    album = Album(name=letter + lether + "lbum", artist=artist)

                    for num, song in enumerate(["One", "Two", "Three"]):
                        track = Track(
                            disc=1,
                            number=num,
                            title=song,
                            duration=2,
                            album=album,
                            artist=artist,
                            bitrate=320,
                            path="tests/assets/{0}rtist/{0}{1}lbum/{2}".format(
                                letter, lether, song
                            ),
                            last_modification=0,
                            root_folder=root,
                            folder=afolder,
                        )

            self.assertEqual(Folder.select().count(), 11)
            self.assertEqual(Folder.select(lambda f: f.root).count(), 2)
            self.assertEqual(Artist.select().count(), 3)
            self.assertEqual(Album.select().count(), 6)
            self.assertEqual(Track.select().count(), 18)

    def test_get_music_folders(self):
        # Do not validate against the XSD here, this is the only place where the API should return ids as ints
        # all our ids are uuids :/
        rv, child = self._make_request(
            "getMusicFolders", tag="musicFolders", skip_xsd=True
        )
        self.assertEqual(len(child), 2)
        self.assertSequenceEqual(
            sorted(self._xpath(child, "./musicFolder/@name")),
            ["Empty root", "Root folder"],
        )

    def test_get_indexes(self):
        self._make_request("getIndexes", {"musicFolderId": "abcdef"}, error=0)
        self._make_request("getIndexes", {"musicFolderId": 1234567890}, error=70)
        self._make_request("getIndexes", {"ifModifiedSince": "quoi"}, error=0)

        rv, child = self._make_request(
            "getIndexes",
            {"ifModifiedSince": int(time.time() * 1000 + 1000)},
            tag="indexes",
        )
        self.assertEqual(len(child), 0)

        with db_session:
            fid = Folder.get(name="Empty root").id
        rv, child = self._make_request(
            "getIndexes", {"musicFolderId": str(fid)}, tag="indexes"
        )
        self.assertEqual(len(child), 0)

        rv, child = self._make_request("getIndexes", tag="indexes")
        self.assertEqual(len(child), 3)
        for i, letter in enumerate(["A", "B", "C"]):
            self.assertEqual(child[i].get("name"), letter)
            self.assertEqual(len(child[i]), 1)
            self.assertEqual(child[i][0].get("name"), letter + "rtist")

    def test_get_music_directory(self):
        self._make_request("getMusicDirectory", error=10)
        self._make_request("getMusicDirectory", {"id": "id"}, error=0)
        self._make_request("getMusicDirectory", {"id": 1234567890}, error=70)

        # should test with folders with both children folders and tracks. this code would break in that case
        with db_session:
            for f in Folder.select():
                rv, child = self._make_request(
                    "getMusicDirectory", {"id": str(f.id)}, tag="directory"
                )
                self.assertEqual(child.get("id"), str(f.id))
                self.assertEqual(child.get("name"), f.name)
                self.assertEqual(len(child), f.children.count() + f.tracks.count())
                for dbc, xmlc in zip(
                    sorted(f.children, key=lambda c: c.name),
                    sorted(child, key=lambda c: c.get("title")),
                ):
                    self.assertEqual(dbc.name, xmlc.get("title"))
                    self.assertEqual(xmlc.get("artist"), f.name)
                    self.assertEqual(xmlc.get("parent"), str(f.id))
                for t, xmlc in zip(
                    sorted(f.tracks, key=lambda t: t.title),
                    sorted(child, key=lambda c: c.get("title")),
                ):
                    self.assertEqual(t.title, xmlc.get("title"))
                    self.assertEqual(xmlc.get("parent"), str(f.id))

    def test_get_artists(self):
        # same as getIndexes standard case
        # dataset should be improved to have a different directory structure than /root/Artist/Album/Track

        rv, child = self._make_request("getArtists", tag="artists")
        self.assertEqual(len(child), 3)
        for i, letter in enumerate(["A", "B", "C"]):
            self.assertEqual(child[i].get("name"), letter)
            self.assertEqual(len(child[i]), 1)
            self.assertEqual(child[i][0].get("name"), letter + "rtist")

    def test_get_artist(self):
        # dataset should be improved to have tracks by a different artist than the album's artist
        self._make_request("getArtist", error=10)
        self._make_request("getArtist", {"id": "artist"}, error=0)
        self._make_request("getArtist", {"id": str(uuid.uuid4())}, error=70)

        with db_session:
            for ar in Artist.select():
                rv, child = self._make_request(
                    "getArtist", {"id": str(ar.id)}, tag="artist"
                )
                self.assertEqual(child.get("id"), str(ar.id))
                self.assertEqual(child.get("albumCount"), str(len(child)))
                self.assertEqual(len(child), ar.albums.count())
                for dal, xal in zip(
                    sorted(ar.albums, key=lambda a: a.name),
                    sorted(child, key=lambda c: c.get("name")),
                ):
                    self.assertEqual(dal.name, xal.get("name"))
                    self.assertEqual(
                        xal.get("artist"), ar.name
                    )  # could break with a better dataset
                    self.assertEqual(xal.get("artistId"), str(ar.id))  # see above

    def test_get_album(self):
        self._make_request("getAlbum", error=10)
        self._make_request("getAlbum", {"id": "nastynasty"}, error=0)
        self._make_request("getAlbum", {"id": str(uuid.uuid4())}, error=70)

        with db_session:
            a = Album.select().first()
            rv, child = self._make_request("getAlbum", {"id": str(a.id)}, tag="album")
            self.assertEqual(child.get("id"), str(a.id))
            self.assertEqual(child.get("songCount"), str(len(child)))

            self.assertEqual(len(child), a.tracks.count())
            for dal, xal in zip(
                sorted(a.tracks, key=lambda t: t.title),
                sorted(child, key=lambda c: c.get("title")),
            ):
                self.assertEqual(dal.title, xal.get("title"))
                self.assertEqual(xal.get("album"), a.name)
                self.assertEqual(xal.get("albumId"), str(a.id))

    def test_get_song(self):
        self._make_request("getSong", error=10)
        self._make_request("getSong", {"id": "nastynasty"}, error=0)
        self._make_request("getSong", {"id": str(uuid.uuid4())}, error=70)

        with db_session:
            s = Track.select().first()
        self._make_request("getSong", {"id": str(s.id)}, tag="song")

    def test_get_videos(self):
        self._make_request("getVideos", error=0)


if __name__ == "__main__":
    unittest.main()
