''' testing book data connectors '''
import datetime
from django.test import TestCase
from django.utils import timezone

from bookwyrm import models
from bookwyrm.connectors.self_connector import Connector
from bookwyrm.settings import DOMAIN


class SelfConnector(TestCase):
    ''' just uses local data '''
    def setUp(self):
        ''' creating the connector '''
        models.Connector.objects.create(
            identifier=DOMAIN,
            name='Local',
            local=True,
            connector_file='self_connector',
            base_url='https://%s' % DOMAIN,
            books_url='https://%s/book' % DOMAIN,
            covers_url='https://%s/images/covers' % DOMAIN,
            search_url='https://%s/search?q=' % DOMAIN,
            priority=1,
        )
        self.connector = Connector(DOMAIN)


    def test_format_search_result(self):
        ''' create a SearchResult '''
        author = models.Author.objects.create(name='Anonymous')
        edition = models.Edition.objects.create(
            title='Edition of Example Work',
            published_date=datetime.datetime(1980, 5, 10, tzinfo=timezone.utc),
        )
        edition.authors.add(author)
        result = self.connector.search('Edition of Example')[0]
        self.assertEqual(result.title, 'Edition of Example Work')
        self.assertEqual(result.key, edition.remote_id)
        self.assertEqual(result.author, 'Anonymous')
        self.assertEqual(result.year, 1980)
        self.assertEqual(result.connector, self.connector)


    def test_search_rank(self):
        ''' prioritize certain results '''
        author = models.Author.objects.create(name='Anonymous')
        edition = models.Edition.objects.create(
            title='Edition of Example Work',
            published_date=datetime.datetime(1980, 5, 10, tzinfo=timezone.utc),
            parent_work=models.Work.objects.create(title='')
        )
        # author text is rank C
        edition.authors.add(author)

        # series is rank D
        models.Edition.objects.create(
            title='Another Edition',
            series='Anonymous',
            parent_work=models.Work.objects.create(title='')
        )
        # subtitle is rank B
        models.Edition.objects.create(
            title='More Editions',
            subtitle='The Anonymous Edition',
            parent_work=models.Work.objects.create(title='')
        )
        # title is rank A
        models.Edition.objects.create(title='Anonymous')
        # doesn't rank in this search
        edition = models.Edition.objects.create(
            title='An Edition',
            parent_work=models.Work.objects.create(title='')
        )

        results = self.connector.search('Anonymous')
        self.assertEqual(len(results), 3)
        self.assertEqual(results[0].title, 'Anonymous')
        self.assertEqual(results[1].title, 'More Editions')
        self.assertEqual(results[2].title, 'Edition of Example Work')


    def test_search_multiple_editions(self):
        ''' it should get rid of duplicate editions for the same work '''
        work = models.Work.objects.create(title='Work Title')
        edition_1 = models.Edition.objects.create(
            title='Edition 1 Title', parent_work=work)
        edition_2 = models.Edition.objects.create(
            title='Edition 2 Title', parent_work=work)
        edition_3 = models.Edition.objects.create(
            title='Fish', parent_work=work)
        work.default_edition = edition_2
        work.save()

        # pick the best edition
        results = self.connector.search('Edition 1 Title')
        self.assertEqual(len(results), 1)
        self.assertEqual(results[0].key, edition_1.remote_id)

        # pick the default edition when no match is best
        results = self.connector.search('Edition Title')
        self.assertEqual(len(results), 1)
        self.assertEqual(results[0].key, edition_2.remote_id)

        # only matches one edition, so no deduplication takes place
        results = self.connector.search('Fish')
        self.assertEqual(len(results), 1)
        self.assertEqual(results[0].key, edition_3.remote_id)