"""Run against the fake Spotify Web API in fake_spotify.py:

    python3 -m unittest discover -s tests -t .
"""

import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent.parent))

from spotify import SpotifyClient, SpotifyError   # noqa: E402
from tests.fake_spotify import FakeSpotify         # noqa: E402


class SpotifyTest(unittest.TestCase):
    def setUp(self):
        self.fake = FakeSpotify()
        self.addCleanup(self.fake.stop)
        self.client = SpotifyClient(
            "client-id", "client-secret", "refresh-token",
            accounts_url=self.fake.base_url, api_url=self.fake.base_url,
        )

    def test_devices_lists_what_spotify_reports(self):
        names = [d["name"] for d in self.client.devices()]
        self.assertEqual(names, ["Lego Room", "Home Cinema"])
        self.assertEqual(self.fake.tokens_issued, 1)   # one refresh for the whole call

    def test_resume_transfers_playback_to_the_matched_device(self):
        device = self.client.resume("Lego Room")
        self.assertEqual(device["id"], "dev-1")
        self.assertEqual(self.fake.transfers, [{"device_ids": ["dev-1"], "play": True}])

    def test_resume_raises_when_no_device_has_that_name(self):
        with self.assertRaises(SpotifyError):
            self.client.resume("Kitchen")
        self.assertEqual(self.fake.transfers, [])

    def test_playback_reports_the_device_and_whether_it_plays(self):
        self.fake.player = {"device": {"id": "dev-1", "name": "Lego Room"}, "is_playing": True}
        player = self.client.playback()
        self.assertEqual(player["device"]["name"], "Lego Room")
        self.assertTrue(player["is_playing"])

    def test_playback_is_empty_without_a_session(self):
        self.assertEqual(self.client.playback(), {})

    def test_a_rejected_access_token_is_refreshed_and_retried_once(self):
        self.client.devices()                       # get a real token first
        self.assertEqual(self.fake.tokens_issued, 1)
        self.client._access_token = "stale-but-not-yet-expired"
        # _expires_at is untouched, so only the 401 -- not the pre-call
        # expiry check -- can be what forces this to work.
        names = [d["name"] for d in self.client.devices()]
        self.assertEqual(names, ["Lego Room", "Home Cinema"])
        self.assertEqual(self.fake.tokens_issued, 2)

    def test_a_revoked_refresh_token_raises_a_clear_error(self):
        self.fake.reject_refresh = True
        with self.assertRaises(SpotifyError):
            self.client.devices()


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