/**
 * 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.url;

import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.junit.Assert;
import org.junit.Test;

/**
 */
public class UrlStringBuilderTest {

    @Test
    public void testInvalidEncoding() {
        try {
            new UrlStringBuilder("NOT VALID", null);
            Assert.fail("Encoding 'NOT VALID' should throw an exception");
        } catch (RuntimeException re) {
            //expected
        }
    }

    @Test
    public void testEmptyBuilder() {
        final UrlStringBuilder builder = new UrlStringBuilder("UTF-8", null);
        final String url = builder.toString();
        Assert.assertEquals("/", url);
    }

    @Test
    public void testParameterEmptyBuilder() {
        final UrlStringBuilder builder = new UrlStringBuilder("UTF-8", null);

        builder.addParameter("p1", "v1", null, "v2");

        builder.addParameter("p2");
        builder.addParameter("p2", (List<String>) null);
        builder.setParameter("p2", Arrays.asList("va,?", "v b"));

        final String url = builder.toString();
        Assert.assertEquals("/?p1=v1&p1=&p1=v2&p2=va%2C%3F&p2=v+b", url);
    }

    @Test
    public void testParameterProtocolHostPortBuilder() {
        final UrlStringBuilder builder = new UrlStringBuilder("UTF-8", "uPortal");

        builder.addParameter("p1", "v1", null, "v2");

        builder.setParameter("p0");

        builder.addParameter("p2", (String) null);
        builder.setParameter("p2", Arrays.asList("va,?", "v b"));

        final String url = builder.toString();
        Assert.assertEquals("/uPortal?p1=v1&p1=&p1=v2&p0&p2=va%2C%3F&p2=v+b", url);
    }

    @Test
    public void testParametersBuilder() {
        final UrlStringBuilder builder = new UrlStringBuilder("UTF-8", null);

        final Map<String, List<String>> p0 = new LinkedHashMap<String, List<String>>();
        p0.put("notSeen", Arrays.asList("b", "c"));

        builder.setParameters(p0);
        builder.addParameters(p0);

        final Map<String, List<String>> p1 = new LinkedHashMap<String, List<String>>();
        p1.put("a", Arrays.asList("b", "c"));
        p1.put("b", Arrays.asList(null, "d"));
        p1.put("c", null);

        builder.setParameters(p1);

        builder.addParameters("uP_", p1);

        final String url = builder.toString();
        Assert.assertEquals("/?a=b&a=c&b=&b=d&c&uP_a=b&uP_a=c&uP_b=&uP_b=d&uP_c", url);
    }

    @Test
    public void testPathEmptyBuilder() {
        final UrlStringBuilder builder = new UrlStringBuilder("UTF-8", null);

        builder.addPath("portal");
        builder.addPath("home");
        builder.addPath("normal", "render.uP");

        final String url = builder.toString();
        Assert.assertEquals("/portal/home/normal/render.uP", url);
    }

    @Test
    public void testParameterPathEmptyBuilder() {
        final UrlStringBuilder builder = new UrlStringBuilder("UTF-8", null);

        builder.addParameter("p1", "v1", null, "v2");

        builder.addParameter("p2", (String) null);
        builder.setParameter("p2", Arrays.asList("va,?", "v b"));

        builder.setPath();
        builder.addPath("portal");
        builder.setPath("foo", "bar");
        builder.addPath("home");
        builder.addPath("normal", "render.uP");

        final String url = builder.toString();
        Assert.assertEquals(
                "/foo/bar/home/normal/render.uP?p1=v1&p1=&p1=v2&p2=va%2C%3F&p2=v+b", url);
    }

    @Test
    public void testCloneParameterPathEmptyBuilder() {
        final UrlStringBuilder builder = new UrlStringBuilder("UTF-8", null);

        builder.addParameter("p1", "v1", null, "v2");

        builder.addParameter("p2", (String) null);
        builder.setParameter("p2", Arrays.asList("va,?", "v b"));

        builder.setPath();
        builder.addPath("portal");
        builder.setPath("foo", "bar");
        builder.addPath("home");
        builder.addPath("normal", "render.uP");

        final UrlStringBuilder builder2 = (UrlStringBuilder) builder.clone();
        Assert.assertEquals(builder, builder2);
        Assert.assertEquals(builder.hashCode(), builder2.hashCode());

        builder2.setPath();
        Assert.assertNotSame(builder, builder2);
        Assert.assertNotSame(builder.hashCode(), builder2.hashCode());

        final String url = builder.toString();
        Assert.assertEquals(
                "/foo/bar/home/normal/render.uP?p1=v1&p1=&p1=v2&p2=va%2C%3F&p2=v+b", url);

        final String url2 = builder2.toString();
        Assert.assertEquals("/?p1=v1&p1=&p1=v2&p2=va%2C%3F&p2=v+b", url2);
    }
}