"""Functional tests for importing existing tracks with lyrics.

Test endpoint:
    POST /product/<int:product_id>/tracks/import
"""

import json
from unittest.mock import Mock

from owsrequest import request
from owsrequest import test_utils
import pytest

from backend.constants import services
from backend.constants import track_field
from tests.testutils import db
from tests.testutils import mocks


@pytest.mark.parametrize('response_code', [200, 418])
@db.test_schema_no_seed
def test_import_lyrics(
        client, mocker, track_factory, response_code,
        client_headers):
    """Test import lyrics is successful."""
    src_product_id = 1
    dest_product_id = 2
    tracks = [
        track_factory(product_id=src_product_id),
        track_factory(product_id=src_product_id)]
    db.merge_model_objects(tracks)

    get_specs = [
        {
            'service': services.OWS_PRODUCT,
            'path': '/product/{}'.format(dest_product_id),
            'status': 200,
            'json': {track_field.UPC: 'upc'}
        }
    ]
    post_specs = [
        {
            'service': services.OWS_LYRICS,
            'path': '/tracks/copy',
            'status': response_code,
        },
        {
            'service': services.OWS_PRODUCT,
            'path': '/localization/track',
            'status': 200,
            'json': {'items': []}
        },
        {
            'service': services.OWS_ASSETS,
            'path_regex': r'/track/[0-9]+/copy/[0-9]+',
            'status': 200,
        }
    ]
    put_specs = [
        {
            'service': services.OWS_PRODUCT,
            'path': '/localization/tracks',
            'status': 200,
        }
    ]
    mocks.head_response(mocker)
    mocker.patch.object(
        request, 'get', test_utils.mock_ows_requests(get_specs))
    mock = Mock(wraps=test_utils.mock_ows_requests(post_specs))
    mocker.patch.object(request, 'post', mock)
    mocker.patch.object(
        request, 'put', test_utils.mock_ows_requests(put_specs))

    res = client.post(
        '/product/{}/tracks/import'.format(dest_product_id),
        headers=client_headers,
        data=json.dumps({'tuids': [track.tuid for track in tracks]}))

    assert res.status_code == 200
    assert mock.called
    service_call = None
    for spec in mock.call_args_list:
        if spec[0][0] == services.OWS_LYRICS:
            service_call = spec[1]
    assert service_call
    call_body = json.loads(service_call['data'])
    assert len(call_body['items']) == len(tracks)
    for item, track in zip(call_body['items'], tracks):
        assert item['source_tuid'] == track.tuid
        assert 'destination_tuid' in item