/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 */

package org.apache.unomi.itests;

import org.apache.unomi.api.Metadata;
import org.apache.unomi.api.conditions.Condition;
import org.apache.unomi.api.segments.Segment;
import org.apache.unomi.api.services.SegmentService;
import org.apache.unomi.api.exceptions.BadSegmentConditionException;
import org.apache.unomi.lifecycle.BundleWatcher;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.junit.PaxExam;
import org.ops4j.pax.exam.spi.reactors.ExamReactorStrategy;
import org.ops4j.pax.exam.spi.reactors.PerSuite;
import org.ops4j.pax.exam.util.Filter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.inject.Inject;
import java.util.List;

@RunWith(PaxExam.class)
@ExamReactorStrategy(PerSuite.class)
public class SegmentIT extends BaseIT {
    private final static Logger LOGGER = LoggerFactory.getLogger(SegmentIT.class);
    private final static String SEGMENT_ID = "test-segment-id-2";

    @Inject
    @Filter(timeout = 600000)
    protected SegmentService segmentService;

    @Inject @Filter(timeout = 600000)
    protected BundleWatcher bundleWatcher;

    @Before
    public void setUp() throws InterruptedException {
        while (!bundleWatcher.isStartupComplete()) {
            LOGGER.info("Waiting for startup to complete...");
            Thread.sleep(1000);
        }
        removeItems(Segment.class);
    }

    @Test
    public void testSegments() {
        Assert.assertNotNull("Segment service should be available", segmentService);
        List<Metadata> segmentMetadatas = segmentService.getSegmentMetadatas(0, 50, null).getList();
        Assert.assertEquals("Segment metadata list should be empty", 0, segmentMetadatas.size());
        LOGGER.info("Retrieved " + segmentMetadatas.size() + " segment metadata entries");
    }

    @Test(expected = BadSegmentConditionException.class)
    public void testSegmentWithNullCondition() {
        Metadata segmentMetadata = new Metadata(SEGMENT_ID);
        Segment segment = new Segment();
        segment.setMetadata(segmentMetadata);
        segment.setCondition(null);

        segmentService.setSegmentDefinition(segment);
    }

    @Test(expected = BadSegmentConditionException.class)
    public void testSegmentWithInValidCondition() {
        Metadata segmentMetadata = new Metadata(SEGMENT_ID);
        Segment segment = new Segment();
        segment.setMetadata(segmentMetadata);
        Condition condition = new Condition();
        condition.setParameter("param", "param value");
        condition.setConditionTypeId("fakeConditionId");
        segment.setCondition(condition);

        segmentService.setSegmentDefinition(segment);
    }

    @Test(expected = BadSegmentConditionException.class)
    public void testSegmentWithInvalidConditionParameterTypes() {
        Metadata segmentMetadata = new Metadata(SEGMENT_ID);
        Segment segment = new Segment(segmentMetadata);
        Condition segmentCondition = new Condition(definitionsService.getConditionType("pastEventCondition"));
        segmentCondition.setParameter("minimumEventCount", "2");
        segmentCondition.setParameter("numberOfDays", "10");
        Condition pastEventEventCondition = new Condition(definitionsService.getConditionType("eventTypeCondition"));
        pastEventEventCondition.setParameter("eventTypeId", "test-event-type");
        segmentCondition.setParameter("eventCondition", pastEventEventCondition);
        segment.setCondition(segmentCondition);
        segmentService.setSegmentDefinition(segment);
    }

    @Test
    public void testSegmentWithValidCondition() {
        Metadata segmentMetadata = new Metadata(SEGMENT_ID);
        Segment segment = new Segment(segmentMetadata);
        Condition segmentCondition = new Condition(definitionsService.getConditionType("pastEventCondition"));
        segmentCondition.setParameter("minimumEventCount", 2);
        segmentCondition.setParameter("numberOfDays", 10);
        Condition pastEventEventCondition = new Condition(definitionsService.getConditionType("eventTypeCondition"));
        pastEventEventCondition.setParameter("eventTypeId", "test-event-type");
        segmentCondition.setParameter("eventCondition", pastEventEventCondition);
        segment.setCondition(segmentCondition);
        segmentService.setSegmentDefinition(segment);

        segmentService.removeSegmentDefinition(SEGMENT_ID, false);
    }
}