# 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