# This file is part of Supysonic.
# Supysonic is a Python implementation of the Subsonic server API.
#
# Copyright (C) 2017-2020 Alban 'spl0k' Féron
#
# Distributed under terms of the GNU AGPLv3 license.

import os.path
import uuid

from contextlib import closing
from io import BytesIO
from PIL import Image
from pony.orm import db_session

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

from .apitestbase import ApiTestBase


class MediaTestCase(ApiTestBase):
    def setUp(self):
        super().setUp()

        with db_session:
            folder = Folder(
                name="Root",
                path=os.path.abspath("tests/assets"),
                root=True,
                cover_art="cover.jpg",
            )
            folder = Folder.get(name="Root")
            self.folderid = folder.id

            artist = Artist(name="Artist")
            album = Album(artist=artist, name="Album")

            track = Track(
                title="23bytes",
                number=1,
                disc=1,
                artist=artist,
                album=album,
                path=os.path.abspath("tests/assets/23bytes"),
                root_folder=folder,
                folder=folder,
                duration=2,
                bitrate=320,
                last_modification=0,
            )
            self.trackid = track.id

            self.formats = ["mp3", "flac", "ogg", "m4a"]
            for i in range(len(self.formats)):
                track_embeded_art = Track(
                    title="[silence]",
                    number=1,
                    disc=1,
                    artist=artist,
                    album=album,
                    path=os.path.abspath(
                        "tests/assets/formats/silence.{}".format(self.formats[i])
                    ),
                    root_folder=folder,
                    folder=folder,
                    duration=2,
                    bitrate=320,
                    last_modification=0,
                )
                self.formats[i] = track_embeded_art.id

    def test_stream(self):
        self._make_request("stream", error=10)
        self._make_request("stream", {"id": "string"}, error=0)
        self._make_request("stream", {"id": str(uuid.uuid4())}, error=70)
        self._make_request("stream", {"id": str(self.folderid)}, error=0)
        self._make_request(
            "stream", {"id": str(self.trackid), "maxBitRate": "string"}, error=0
        )
        self._make_request(
            "stream", {"id": str(self.trackid), "timeOffset": 2}, error=0
        )
        self._make_request(
            "stream", {"id": str(self.trackid), "size": "640x480"}, error=0
        )

        with closing(
            self.client.get(
                "/rest/stream.view",
                query_string={
                    "u": "alice",
                    "p": "Alic3",
                    "c": "tests",
                    "id": str(self.trackid),
                },
            )
        ) as rv:
            self.assertEqual(rv.status_code, 200)
            self.assertEqual(len(rv.data), 23)
        with db_session:
            self.assertEqual(Track[self.trackid].play_count, 1)

    def test_download(self):
        self._make_request("download", error=10)
        self._make_request("download", {"id": "string"}, error=0)
        self._make_request("download", {"id": str(uuid.uuid4())}, error=70)

        # download single file
        with closing(
            self.client.get(
                "/rest/download.view",
                query_string={
                    "u": "alice",
                    "p": "Alic3",
                    "c": "tests",
                    "id": str(self.trackid),
                },
            )
        ) as rv:
            self.assertEqual(rv.status_code, 200)
            self.assertEqual(len(rv.data), 23)
        with db_session:
            self.assertEqual(Track[self.trackid].play_count, 0)

        # dowload folder
        rv = self.client.get(
            "/rest/download.view",
            query_string={
                "u": "alice",
                "p": "Alic3",
                "c": "tests",
                "id": str(self.folderid),
            },
        )
        self.assertEqual(rv.status_code, 200)
        self.assertEqual(rv.mimetype, "application/zip")

    def __assert_image_data(self, resp, format, size):
        with Image.open(BytesIO(resp.data)) as im:
            self.assertEqual(im.format, format)
            self.assertEqual(im.size, (size, size))

    def test_get_cover_art(self):
        self._make_request("getCoverArt", error=10)
        self._make_request("getCoverArt", {"id": "string"}, error=0)
        self._make_request("getCoverArt", {"id": str(uuid.uuid4())}, error=70)
        self._make_request("getCoverArt", {"id": str(self.trackid)}, error=70)
        self._make_request(
            "getCoverArt", {"id": str(self.folderid), "size": "large"}, error=0
        )

        args = {"u": "alice", "p": "Alic3", "c": "tests", "id": str(self.folderid)}
        with closing(
            self.client.get("/rest/getCoverArt.view", query_string=args)
        ) as rv:
            self.assertEqual(rv.status_code, 200)
            self.assertEqual(rv.mimetype, "image/jpeg")
            self.__assert_image_data(rv, "JPEG", 420)

        args["size"] = 600
        with closing(
            self.client.get("/rest/getCoverArt.view", query_string=args)
        ) as rv:
            self.assertEqual(rv.status_code, 200)
            self.assertEqual(rv.mimetype, "image/jpeg")
            self.__assert_image_data(rv, "JPEG", 420)

        args["size"] = 120
        with closing(
            self.client.get("/rest/getCoverArt.view", query_string=args)
        ) as rv:
            self.assertEqual(rv.status_code, 200)
            self.assertEqual(rv.mimetype, "image/jpeg")
            self.__assert_image_data(rv, "JPEG", 120)

        # rerequest, just in case
        with closing(
            self.client.get("/rest/getCoverArt.view", query_string=args)
        ) as rv:
            self.assertEqual(rv.status_code, 200)
            self.assertEqual(rv.mimetype, "image/jpeg")
            self.__assert_image_data(rv, "JPEG", 120)

        # TODO test non square covers

        # Test extracting cover art from embeded media
        for args["id"] in self.formats:
            with closing(
                self.client.get("/rest/getCoverArt.view", query_string=args)
            ) as rv:
                self.assertEqual(rv.status_code, 200)
                self.assertEqual(rv.mimetype, "image/png")
                self.__assert_image_data(rv, "PNG", 120)

    def test_get_avatar(self):
        self._make_request("getAvatar", error=0)


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