''' testing book data connectors '''
from django.test import TestCase
import responses

from bookwyrm import models
from bookwyrm.connectors import abstract_connector
from bookwyrm.connectors.abstract_connector import Mapping
from bookwyrm.settings import DOMAIN


class AbstractConnector(TestCase):
    ''' generic code for connecting to outside data sources '''
    def setUp(self):
        ''' we need an example connector '''
        self.connector_info = models.Connector.objects.create(
            identifier='example.com',
            connector_file='openlibrary',
            base_url='https://example.com',
            books_url='https://example.com/books',
            covers_url='https://example.com/covers',
            search_url='https://example.com/search?q=',
        )
        work_data = {
            'id': 'abc1',
            'title': 'Test work',
            'type': 'work',
            'openlibraryKey': 'OL1234W',
        }
        self.work_data = work_data
        edition_data = {
            'id': 'abc2',
            'title': 'Test edition',
            'type': 'edition',
            'openlibraryKey': 'OL1234M',
        }
        self.edition_data = edition_data

        class TestConnector(abstract_connector.AbstractConnector):
            ''' nothing added here '''
            def format_search_result(self, search_result):
                return search_result
            def parse_search_data(self, data):
                return data
            def is_work_data(self, data):
                return data['type'] == 'work'
            def get_edition_from_work_data(self, data):
                return edition_data
            def get_work_from_edition_data(self, data):
                return work_data
            def get_authors_from_data(self, data):
                return []
            def expand_book_data(self, book):
                pass
        self.connector = TestConnector('example.com')
        self.connector.book_mappings = [
            Mapping('id'),
            Mapping('title'),
            Mapping('openlibraryKey'),
        ]

        self.book = models.Edition.objects.create(
            title='Test Book', remote_id='https://example.com/book/1234',
            openlibrary_key='OL1234M')


    def test_abstract_connector_init(self):
        ''' barebones connector for search with defaults '''
        self.assertIsInstance(self.connector.book_mappings, list)


    def test_is_available(self):
        ''' this isn't used.... '''
        self.assertTrue(self.connector.is_available())
        self.connector.max_query_count = 1
        self.connector.connector.query_count = 2
        self.assertFalse(self.connector.is_available())


    def test_get_or_create_book_existing(self):
        ''' find an existing book by remote/origin id '''
        self.assertEqual(models.Book.objects.count(), 1)
        self.assertEqual(
            self.book.remote_id, 'https://%s/book/%d' % (DOMAIN, self.book.id))
        self.assertEqual(
            self.book.origin_id, 'https://example.com/book/1234')

        # dedupe by origin id
        result = self.connector.get_or_create_book(
            'https://example.com/book/1234')
        self.assertEqual(models.Book.objects.count(), 1)
        self.assertEqual(result, self.book)

        # dedupe by remote id
        result = self.connector.get_or_create_book(
            'https://%s/book/%d' % (DOMAIN, self.book.id))
        self.assertEqual(models.Book.objects.count(), 1)
        self.assertEqual(result, self.book)

    @responses.activate
    def test_get_or_create_book_deduped(self):
        ''' load remote data and deduplicate '''
        responses.add(
            responses.GET,
            'https://example.com/book/abcd',
            json=self.edition_data
        )
        result = self.connector.get_or_create_book(
            'https://example.com/book/abcd')
        self.assertEqual(result, self.book)
        self.assertEqual(models.Edition.objects.count(), 1)
        self.assertEqual(models.Edition.objects.count(), 1)