/*
 * Copyright 2005-2011 the original author or authors.
 * 
 * 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.
 */
package org.wamblee.xmlrouter.impl;

import static junit.framework.Assert.*;
import static org.mockito.Mockito.*;

import java.util.Collection;

import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.wamblee.xmlrouter.common.Id;
import org.wamblee.xmlrouter.config.DocumentType;
import org.wamblee.xmlrouter.config.Filter;
import org.wamblee.xmlrouter.config.Transformation;

public class XMLRouterConfigServiceTest {

    private XMLRouterConfiguration config;
    private ArgumentCaptor<ExtendedRouterConfig> captor;
    private XMLRouterConfigService svc;

    @Before
    public void setUp() {
        config = mock(XMLRouterConfiguration.class);
        captor = ArgumentCaptor.forClass(ExtendedRouterConfig.class);
        svc = new XMLRouterConfigService("myapp", config);
    }

    @Test
    public void testPrefixingOfConfigItems() {
        RouterConfig routerConfig = createRouterConfig("id", "");

        svc.apply(routerConfig, null);

        verifyResults("");
    }

    private void verifyResults(String aSuffix) {
        verify(config).setRouterConfig(captor.capture());
        RouterConfig received = captor.getValue();

        Collection<DocumentType> docTypes = received.documentTypeConfig()
            .values();
        assertEquals(1, docTypes.size());
        assertEquals("myapp.id.documenttypes.doctype" + aSuffix, docTypes
            .iterator().next().getId().toString());

        Collection<Transformation> transformations = received
            .transformationConfig().values();
        assertEquals(1, transformations.size());
        assertEquals("myapp.id.transformations.t1" + aSuffix, transformations
            .iterator().next().getId().toString());

        Collection<Filter> filters = received.filterConfig().values();
        assertEquals(1, filters.size());
        assertEquals("myapp.id.filters.f1" + aSuffix, filters.iterator().next()
            .getId().toString());
    }

    private RouterConfig createRouterConfig(String routerConfigId,
        String aSuffix) {
        RouterConfig routerConfig = svc.emptyConfig(routerConfigId);

        DocumentType type = mock(DocumentType.class);
        when(type.getName()).thenReturn("doctype" + aSuffix);
        when(type.getId())
            .thenReturn(new Id<DocumentType>("doctype" + aSuffix));

        Transformation trans = mock(Transformation.class);
        when(trans.getId()).thenReturn(new Id<Transformation>("t1" + aSuffix));

        Filter filter = mock(Filter.class);
        when(filter.getId()).thenReturn(new Id<Filter>("f1" + aSuffix));

        routerConfig.documentTypeConfig().add(type);
        routerConfig.transformationConfig().add(trans);
        routerConfig.filterConfig().add(filter);
        return routerConfig;
    }

    @Test(expected = ConfigException.class)
    public void testReplaceWithoutIndicatingOldConfig() {
        RouterConfig routerConfig1 = createRouterConfig("id", "");

        svc.apply(routerConfig1, null);
        RouterConfig routerConfig2 = createRouterConfig("id", "");

        svc.apply(routerConfig2, null);
    }

    @Test
    public void testReplaceCorrectly() {
        RouterConfig routerConfig1 = createRouterConfig("id", "");

        svc.apply(routerConfig1, null);
        RouterConfig routerConfig2 = createRouterConfig("id", "suffix");

        reset(config);
        svc.apply(routerConfig2, new Id<RouterConfig>("id"));

        verifyResults("suffix");
    }

}