# Copyright (C) 2019 Apple Inc. All rights reserved.
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import time

from fakeredis import FakeStrictRedis
from redis import StrictRedis
from resultsdbpy.controller.api_routes import APIRoutes
from resultsdbpy.flask_support.flask_testcase import FlaskTestCase
from resultsdbpy.model.cassandra_context import CassandraContext
from resultsdbpy.model.mock_cassandra_context import MockCassandraContext
from resultsdbpy.model.mock_model_factory import MockModelFactory
from resultsdbpy.model.test_context import Expectations
from resultsdbpy.model.wait_for_docker_test_case import WaitForDockerTestCase


class FailureControllerTest(FlaskTestCase, WaitForDockerTestCase):
    KEYSPACE = 'failure_controller_test_keyspace'

    @classmethod
    def setup_webserver(cls, app, redis=StrictRedis, cassandra=CassandraContext):
        cassandra.drop_keyspace(keyspace=cls.KEYSPACE)
        model = MockModelFactory.create(redis=redis(), cassandra=cassandra(keyspace=cls.KEYSPACE, create_keyspace=True))
        app.register_blueprint(APIRoutes(model))

        MockModelFactory.add_mock_results(model, test_results=dict(
            details=dict(link='dummy-link'),
            run_stats=dict(tests_skipped=0),
            results={
                'fast': {
                    'encoding': {
                        'css-cached-bom.html': dict(expected='PASS', actual='FAIL', time=1.2),
                        'css-charset-default.xhtml': dict(expected='FAIL', actual='FAIL', time=1.2),
                        'css-charset.html': dict(expected='FAIL', actual='PASS', time=1.2),
                        'css-link-charset.html': dict(expected='PASS', actual='PAS', time=1.2),
                    }
                }
            },
        ))
        MockModelFactory.process_results(model)

    @WaitForDockerTestCase.mock_if_no_docker(mock_redis=FakeStrictRedis, mock_cassandra=MockCassandraContext)
    @FlaskTestCase.run_with_webserver()
    def test_failures_collapsed(self, client, **kwargs):
        response = client.get(self.URL + '/api/failures/layout-tests?platform=iOS&style=Debug&unexpected=False')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()), 2)
        self.assertEqual(response.json(), ['fast/encoding/css-cached-bom.html', 'fast/encoding/css-charset-default.xhtml'])

    @WaitForDockerTestCase.mock_if_no_docker(mock_redis=FakeStrictRedis, mock_cassandra=MockCassandraContext)
    @FlaskTestCase.run_with_webserver()
    def test_unexpected_failures_collapsed(self, client, **kwargs):
        response = client.get(self.URL + '/api/failures/layout-tests?platform=iOS&style=Debug')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()), 1)
        self.assertEqual(response.json(), ['fast/encoding/css-cached-bom.html'])

    @WaitForDockerTestCase.mock_if_no_docker(mock_redis=FakeStrictRedis, mock_cassandra=MockCassandraContext)
    @FlaskTestCase.run_with_webserver()
    def test_failures(self, client, **kwargs):
        response = client.get(self.URL + '/api/failures/layout-tests?platform=Mac&style=Debug&unexpected=False&collapsed=False')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()), 2)
        self.assertEqual(len(response.json()[0]['results']), 5)
        self.assertEqual(response.json()[0]['results'][0]['fast/encoding/css-cached-bom.html'], 'FAIL')
        self.assertEqual(response.json()[0]['results'][0]['fast/encoding/css-charset-default.xhtml'], 'FAIL')

    @WaitForDockerTestCase.mock_if_no_docker(mock_redis=FakeStrictRedis, mock_cassandra=MockCassandraContext)
    @FlaskTestCase.run_with_webserver()
    def test_unexpected_failures(self, client, **kwargs):
        response = client.get(self.URL + '/api/failures/layout-tests?platform=Mac&style=Debug&collapsed=False')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()), 2)
        self.assertEqual(len(response.json()[0]['results']), 5)
        self.assertEqual(response.json()[0]['results'][0]['fast/encoding/css-cached-bom.html'], 'FAIL')

    @WaitForDockerTestCase.mock_if_no_docker(mock_redis=FakeStrictRedis, mock_cassandra=MockCassandraContext)
    @FlaskTestCase.run_with_webserver()
    def test_failure_by_time(self, client, **kwargs):
        response = client.get(f'{self.URL}/api/failures/layout-tests?platform=iOS&style=Debug&recent=False&after_time={time.time() - 60 * 60}&collapsed=False')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()), 2)
        for i in range(2):
            self.assertEqual(len(response.json()[i]['results']), 5)
            last_start_time = 0
            for result in response.json()[i]['results']:
                self.assertGreaterEqual(result['start_time'], last_start_time)
                last_start_time = result['start_time']

    @WaitForDockerTestCase.mock_if_no_docker(mock_redis=FakeStrictRedis, mock_cassandra=MockCassandraContext)
    @FlaskTestCase.run_with_webserver()
    def test_no_runs(self, client, **kwargs):
        response = client.get(f'{self.URL}/api/failures/layout-tests?platform=iOS&style=Debug&recent=False&before_uuid=0')
        self.assertEqual(response.status_code, 404)
        self.assertEqual(response.json(), dict(
            status='error',
            error='Not Found',
            description='No test runs found with the specified criteria',
        ))