/*
 * 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.maven.doxia.site.inheritance;

import java.net.URI;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 *
 * @author ltheussl
 *
 * @since 1.2
 */
@SuppressWarnings("javadoc")
public class URIPathDescriptorTest {
    private static final String BASE_URL = "http://maven.apache.org/";

    /**
     * Test of constructor, of class URIPathDescriptor.
     */
    @Test
    public void testConstructor() {
        final String expected = BASE_URL + "doxia";

        final URIPathDescriptor path = new URIPathDescriptor(BASE_URL, "doxia");
        assertEquals(expected, path.toString());
        assertEquals(BASE_URL, path.getBaseURI().toString());
        assertEquals("doxia", path.getLink().toString());

        URIPathDescriptor compare = new URIPathDescriptor("http://maven.apache.org", "/doxia");
        assertEquals(expected, compare.toString());

        compare = new URIPathDescriptor("http://maven.apache.org/./doxia/../", "/sub/./sub/../../doxia");
        assertEquals(expected, compare.toString());

        compare = new URIPathDescriptor("http://maven.apache.org/doxia", "");
        assertEquals(expected + "/", compare.toString());

        compare = new URIPathDescriptor("file:///C:\\Foo\\bar1", "");
        assertEquals("file:///C:/Foo/bar1/", compare.getBaseURI().toString());
        // toString() calls resolve() which removes two slashes because authority is empty
        assertEquals("file:/C:/Foo/bar1/", compare.toString());

        compare = new URIPathDescriptor("file:///C:/Documents%20and%20Settings/foo/", "bar");
        assertEquals("file:/C:/Documents%20and%20Settings/foo/bar", compare.toString());

        compare = new URIPathDescriptor("file:////Users/", "user");
        assertEquals("file:/Users/user", compare.toString());

        compare = new URIPathDescriptor("file:/C:/Documents%20and%20Settings/foo/", "bar");
        assertEquals("file:/C:/Documents%20and%20Settings/foo/bar", compare.toString());

        compare = new URIPathDescriptor("file://C:/Documents%20and%20Settings/foo/", "bar");
        // toString() calls resolve() which removes the colon if port is empty, C is the host here!
        assertEquals("file://C/Documents%20and%20Settings/foo/bar", compare.toString());

        compare = new URIPathDescriptor("file://C:8080/Documents%20and%20Settings/foo/", "bar");
        assertEquals("file://C:8080/Documents%20and%20Settings/foo/bar", compare.toString());

        compare = new URIPathDescriptor("C:\\Foo\\bar", "bar");
        assertEquals("C:/Foo/bar/bar", compare.toString()); // NOTE: C: is the scheme here!

        assertThrows(IllegalArgumentException.class, () -> new URIPathDescriptor("/doxia", BASE_URL));
        assertThrows(
                IllegalArgumentException.class,
                () -> new URIPathDescriptor("file:///C:/Documents and Settings/foo/", "bar"));
    }

    /**
     * Test of resolveLink method, of class URIPathDescriptor.
     *
     * @throws Exception
     */
    @Test
    public void testResolveLink() {
        final String expected = BASE_URL + "source";

        URIPathDescriptor oldPath = new URIPathDescriptor(BASE_URL, "source");
        assertEquals(expected, oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor(BASE_URL, "source/");
        assertEquals(expected + "/", oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor(BASE_URL, "/source");
        assertEquals(expected, oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor("http://maven.apache.org", "source");
        assertEquals(expected, oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor(BASE_URL, "source/index.html");
        assertEquals(expected + "/index.html", oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor(BASE_URL, "source/index.html?var=foo&amp;var2=bar");
        assertEquals(
                expected + "/index.html?var=foo&amp;var2=bar",
                oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor("file:////Users/", "user");
        assertEquals("file:/Users/user", oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor("file:///C:/Documents%20and%20Settings/", "source");
        // resolve() removes two slashes because authority is empty
        assertEquals(
                "file:/C:/Documents%20and%20Settings/source",
                oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor("file://C:/Documents%20and%20Settings/", "source");
        // resolve() removes the colon if port is empty
        assertEquals(
                "file://C/Documents%20and%20Settings/source",
                oldPath.resolveLink().toString());

        oldPath = new URIPathDescriptor("file:/C:/Documents%20and%20Settings/", "source");
        assertEquals(
                "file:/C:/Documents%20and%20Settings/source",
                oldPath.resolveLink().toString());
    }

    /**
     * Test of rebaseLink method, of class URIPathDescriptor.
     */
    @Test
    public void testRebaseLink() {
        URIPathDescriptor oldPath = new URIPathDescriptor(BASE_URL, "source");
        assertEquals(
                "../source",
                oldPath.rebaseLink("http://maven.apache.org/doxia/").toString());
        assertEquals("http://maven.apache.org/source", oldPath.rebaseLink(null).toString());
        assertEquals(
                "http://maven.apache.org/source",
                oldPath.rebaseLink("C:/Documents and Settings/").toString());

        oldPath = new URIPathDescriptor(BASE_URL, "./");
        assertEquals("", oldPath.rebaseLink("http://maven.apache.org/").toString());

        oldPath = new URIPathDescriptor(BASE_URL, "");
        assertEquals("", oldPath.rebaseLink("http://maven.apache.org/").toString());

        oldPath = new URIPathDescriptor(BASE_URL, "source/index.html");
        assertEquals(
                "../source/index.html",
                oldPath.rebaseLink("http://maven.apache.org/doxia/").toString());

        oldPath = new URIPathDescriptor(BASE_URL, "source/index.html?var=foo&amp;var2=bar");
        assertEquals(
                "../source/index.html?var=foo&amp;var2=bar",
                oldPath.rebaseLink("http://maven.apache.org/doxia/").toString());

        oldPath = new URIPathDescriptor("scp://people.apache.org/", "source");
        assertEquals(
                "../source", oldPath.rebaseLink("scp://people.apache.org/doxia").toString());

        oldPath = new URIPathDescriptor(BASE_URL, "banner/left");
        assertEquals(
                "../banner/left",
                oldPath.rebaseLink("http://maven.apache.org/doxia/").toString());

        oldPath = new URIPathDescriptor(BASE_URL, "index.html?var=foo&amp;var2=bar");
        assertEquals(
                "../index.html?var=foo&amp;var2=bar",
                oldPath.rebaseLink("http://maven.apache.org/doxia/").toString());

        oldPath = new URIPathDescriptor("http://jakarta.apache.org/", "banner/left");
        assertEquals(
                "http://jakarta.apache.org/banner/left",
                oldPath.rebaseLink(BASE_URL).toString());

        oldPath = new URIPathDescriptor("file:////Users/", "user");
        assertEquals("../user", oldPath.rebaseLink("file:////Users/target").toString());
        assertEquals("../user", oldPath.rebaseLink("file:/Users/target").toString());

        oldPath = new URIPathDescriptor("file:///C:/Documents%20and%20Settings/", "source");
        assertEquals(
                "../source",
                oldPath.rebaseLink("file:///C:/Documents%20and%20Settings/target")
                        .toString());

        oldPath = new URIPathDescriptor("file://C:/Documents%20and%20Settings/", "source");
        assertEquals(
                "../source",
                oldPath.rebaseLink("file://C:/Documents%20and%20Settings/target")
                        .toString());

        oldPath = new URIPathDescriptor("file:/C:/Documents%20and%20Settings/", "source");
        assertEquals(
                "../source",
                oldPath.rebaseLink("file:/C:/Documents%20and%20Settings/target").toString());
    }

    /**
     * Test of relativizeLink method, of class URIPathDescriptor.
     */
    @Test
    public void testRelativizeLink() {
        URIPathDescriptor path = new URIPathDescriptor(BASE_URL, "source");
        assertEquals("source", path.relativizeLink().toString());

        path = new URIPathDescriptor(BASE_URL, "http://maven.apache.org/source");
        assertEquals("source", path.relativizeLink().toString());

        path = new URIPathDescriptor(BASE_URL, "http://maven.apache.org/");
        assertEquals("./", path.relativizeLink().toString());

        path = new URIPathDescriptor(BASE_URL, "http://maven.apache.org");
        assertEquals("./", path.relativizeLink().toString());

        path = new URIPathDescriptor("http://maven.apache.org", BASE_URL);
        assertEquals("./", path.relativizeLink().toString());

        path = new URIPathDescriptor("http://maven.apache.org", "http://maven.apache.org");
        assertEquals("./", path.relativizeLink().toString());

        path = new URIPathDescriptor("http://maven.apache.org/doxia/", "http://maven.apache.org/source/");
        assertEquals("../source/", path.relativizeLink().toString());

        path = new URIPathDescriptor("http://maven.apache.org/doxia", "http://maven.apache.org/source");
        assertEquals("../source", path.relativizeLink().toString());

        path = new URIPathDescriptor(BASE_URL, "http://maven.apache.org/index.html");
        assertEquals("index.html", path.relativizeLink().toString());

        path = new URIPathDescriptor(BASE_URL, "http://maven.apache.org/index.html?var=foo&amp;var2=bar");
        assertEquals("index.html?var=foo&amp;var2=bar", path.relativizeLink().toString());

        path = new URIPathDescriptor("file:////Users/", "index.html");
        assertEquals("index.html", path.relativizeLink().toString());

        path = new URIPathDescriptor("file:///C:/Documents%20and%20Settings/", "index.html");
        assertEquals("index.html", path.relativizeLink().toString());

        path = new URIPathDescriptor("file://C:/Documents%20and%20Settings/", "index.html");
        assertEquals("index.html", path.relativizeLink().toString());

        path = new URIPathDescriptor("file:/C:/Documents%20and%20Settings/", "index.html");
        assertEquals("index.html", path.relativizeLink().toString());
    }

    /**
     * Test of sameSite method, of class URIPathDescriptor.
     *
     * @throws Exception
     */
    @Test
    public void testSameSite() throws Exception {
        final URIPathDescriptor path = new URIPathDescriptor(BASE_URL, "doxia");

        assertTrue(path.sameSite(new URI("http://maven.apache.org/")));
        assertTrue(path.sameSite(new URI("http://maven.apache.org")));
        assertTrue(path.sameSite(new URI("HTTP://maven.apache.org/")));
        assertTrue(path.sameSite(new URI("http://MAVEN.apache.org/")));
        assertTrue(path.sameSite(new URI("http://maven.apache.org/wagon/index.html")));

        assertFalse(path.sameSite(null));
        assertFalse(path.sameSite(new URI("https://maven.apache.org/")));
        assertFalse(path.sameSite(new URI("http://ant.apache.org/")));
        assertFalse(path.sameSite(new URI("http://maven.apache.org:80")));
        assertFalse(path.sameSite(new URI("/usr/share/bin/")));
        assertFalse(path.sameSite(new URI("http:///maven.apache.org/")));

        final URIPathDescriptor nullHost = new URIPathDescriptor("http:///maven.apache.org/", "doxia");
        assertTrue(nullHost.sameSite(new URI("http:///maven.apache.org/")));
        assertFalse(nullHost.sameSite(new URI("http://maven.apache.org/")));

        URIPathDescriptor newPath = new URIPathDescriptor("file:///C:/Documents%20and%20Settings/", "source");
        assertTrue(newPath.sameSite(new URI("file:///C:/Documents%20and%20Settings/")));
        assertFalse(newPath.sameSite(new URI("file://C:/Documents%20and%20Settings/")));
        // authority is empty
        assertTrue(newPath.sameSite(new URI("file:/C:/Documents%20and%20Settings/")));
    }
}
