"""Unit tests for stores metadata handlers."""
import json
from unittest.mock import MagicMock

from oto import response as oto_response
import pytest

from analytics.logic import stores
from tests.unit.fixtures import fixture_api


@pytest.fixture(name='playlist_metadata')
def get_test_playlist_metadata():
    """Fixture for getting playlist metadata."""
    return [{
        'playlist_link': (
            'http://open.spotify.com/user/'
            'spotify/playlist/37i9dQZF1DWWOaP4H0w5b0'),
        'image': 'https://i.scdn.co/image/some_image',
        'followers': 82000}]


def test_get_playlist_metadata(
        monkeypatch, headers, playlist_metadata):
    """Test /playlist-metadata endpoint."""
    url = (
        '/playlist-metadata/?playlist_links='
        'http://open.spotify.com/user/spotify/playlist/37i9dQZF1DWWOaP4H0w5b0'
    )
    mock = MagicMock(
        return_value=oto_response.Response(message=playlist_metadata))

    monkeypatch.setattr(stores, 'get_playlists_metadata', mock)

    response = fixture_api.CLIENT.get(url, headers=headers)
    data = json.loads(response.data.decode('utf8'))
    assert mock.called
    assert data == playlist_metadata
    assert response.status_code == 200


def test_get_playlist_metadata_without_links(headers):
    """Test /playlist-metadata endpoint when links were not specified."""
    url = '/playlist-metadata/'

    response = fixture_api.CLIENT.get(url, headers=headers)

    assert response.status_code == 400


def test_get_playlist_metadata_with_unsupported_links(headers):
    """Test /playlist-metadata endpoint with unsupported links."""
    url = (
        '/playlist-metadata/?playlist_links='
        'https://www.youtube.com/watch?v=TsH4CrwExCQ'
    )

    response = fixture_api.CLIENT.get(url, headers=headers)

    assert response.status_code == 400


def test_get_playlist_metadata_calls_fetch(
        monkeypatch, headers):
    """Test /playlist-metadata endpoint calls fetch_playlists_metadata."""
    url = '/playlist-metadata/?playlist_links=test_link'
    fetch_mock = MagicMock(
        return_value=oto_response.Response(
            message={'test_link': {'playlist_link': 'test_link'}}))
    headers['Use-Snowflake'] = True

    monkeypatch.setattr(stores, 'fetch_playlists_metadata', fetch_mock)

    response = fixture_api.CLIENT.get(url, headers=headers)
    data = json.loads(response.data.decode('utf8'))
    assert fetch_mock.call_count == 1
    assert data == [{'playlist_link': 'test_link'}]
    assert response.status_code == 200