# Copyright 2019 Mike Shoup
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from pathlib import Path

from humulus.couch import put_doc, get_doc, update_doc, put_designs, get_view


def test_put_doc(app):
    with app.app_context():
        data = {'foo': 'bar'}
        response = put_doc(data)
        assert '_id' in response
        assert 'created' in response

        response = put_doc({'name': 'test'})
        assert response['_id'] == 'test'

        response = put_doc({'name': 'test'})
        assert response['_id'] == 'test-1'

        response = put_doc({'name': 'test'})
        assert response['_id'] == 'test-2'


def test_update_doc(app):
    with app.app_context():
        doc = get_doc('awesome-lager')
        rev = doc['_rev']
        doc['test'] = 'update'
        update_doc(doc)

        updated_doc = get_doc('awesome-lager')
    assert doc['_id'] == updated_doc['_id']
    assert rev < updated_doc['_rev']
    assert updated_doc['test'] == 'update'
    assert 'updated' in updated_doc


def test_build_couch_command(runner, monkeypatch):
    class Recorder(object):
        called = False

    def fake_build_couch():
        Recorder.called = True

    monkeypatch.setattr('humulus.couch.build_couch', fake_build_couch)
    result = runner.invoke(args=['build-couch'])
    assert 'Built a couch. Please have a seat.' in result.output
    assert Recorder.called


def test_get_doc(app):
    with app.app_context():
        assert get_doc('foobar')['data'] == 'test'


def test_put_designs(app, monkeypatch):
    # Always return the path to our test assets
    testpath = Path(__file__).parent

    with app.app_context():
        # Test initial load of designs
        monkeypatch.setattr(Path, 'parent', testpath / 'assets/initial')
        put_designs()

        recipes = get_doc('_design/recipes')
        assert 'language' in recipes
        rev = recipes['_rev']

        # Try again, make sure nothing changed.
        put_designs()
        recipes = get_doc('_design/recipes')
        assert recipes['_rev'] == rev

        # Test that changes can be loaded
        monkeypatch.setattr(Path, 'parent', testpath / 'assets/changed')
        put_designs()
        recipes = get_doc('_design/recipes')
        assert 'by-date' in recipes['views']


def test_get_view(app):
    with app.app_context():
        view = get_view('_design/recipes', 'by-date')
    assert view()['total_rows'] > 0