/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.apereo.portal.layout.profile;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.when;

import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;
import org.apereo.portal.security.IPerson;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

public class ServerProfileMapperImplTest {

    @Mock HttpServletRequest request;

    @Mock IPerson person;

    @Rule public ExpectedException thrown = ExpectedException.none();

    private String serverRegex;

    private Pattern pattern;

    private String nonMatchingHost1;
    private String nonMatchingHost2;
    private String matchingHost1;
    private String matchingHost2;
    private String matchingHost3;

    ServerProfileMapperImpl serverProfileMapper = new ServerProfileMapperImpl();

    @Before
    public void setUp() {

        MockitoAnnotations.initMocks(this);

        //regex matches everything that isn't *.wisconsin.edu*
        serverRegex = "^((?!.\\.wisconsin\\.edu).)*$";
        pattern = Pattern.compile(serverRegex);
        serverProfileMapper.setServerRegex(serverRegex);
        nonMatchingHost1 = "my.wisconsin.edu";
        nonMatchingHost2 = "predev.wisconsin.edu/profile";
        matchingHost1 = "my.wisc.edu";
        matchingHost2 = "my.university-of-wisconsin.edu/money";
        matchingHost3 = "my.uwrf.edu";

        //Make sure that matching hosts match
        assertTrue(pattern.matcher(matchingHost1).matches());
        assertTrue(pattern.matcher(matchingHost2).matches());
        assertTrue(pattern.matcher(matchingHost3).matches());

        //Make sure that unmatching hosts don't match
        assertFalse(pattern.matcher(nonMatchingHost1).matches());
        assertFalse(pattern.matcher(nonMatchingHost2).matches());
    }

    @Test
    public void testNullorEmptyRegex() {
        thrown.expect(NullPointerException.class);
        serverProfileMapper.setServerRegex(null);
        thrown.expect(IllegalArgumentException.class);
        serverProfileMapper.setServerRegex("");
    }

    @Test
    public void testNullorEmptyProfile() {
        thrown.expect(NullPointerException.class);
        serverProfileMapper.setProfile(null);
        thrown.expect(IllegalArgumentException.class);
        serverProfileMapper.setProfile("");
    }

    @Test
    public void testNullParametersToGetProfileName() {
        thrown.expect(NullPointerException.class);
        serverProfileMapper.getProfileFname(null, request);
        serverProfileMapper.getProfileFname(person, null);
        when(person.getUserName()).thenReturn(null);
        serverProfileMapper.getProfileFname(person, request);
    }

    @Test
    public void testDefaultProfileExistsForServerMatch() {
        when(request.getServerName()).thenReturn(matchingHost1);
        assertNotNull(serverProfileMapper.getProfileFname(person, request));
    }

    @Test
    public void testGetProfileFnameWithSpecifiedProfile() {
        String buckyProfile = "bucky";
        serverProfileMapper.setProfile(buckyProfile);
        when(request.getServerName()).thenReturn(matchingHost1);
        assertEquals(serverProfileMapper.getProfileFname(person, request), buckyProfile);
    }

    @Test
    public void testGetProfileNoServerMatch() {
        when(request.getServerName()).thenReturn(nonMatchingHost1);
        assertNull(serverProfileMapper.getProfileFname(person, request));
    }
}