/*
 * 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.reporting;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Iterator;
import java.util.List;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;

/**
 * Test case for some public method in AbstractMavenReportRenderer.
 */
public class AbstractMavenReportRendererTest {
    private static List<String> applyPattern(String pattern) throws Throwable {
        try {
            Method method = AbstractMavenReportRenderer.class.getDeclaredMethod("applyPattern", String.class);
            method.setAccessible(true);
            return (List<String>) method.invoke(null, pattern);
        } catch (InvocationTargetException ite) {
            throw ite.getTargetException();
        }
    }

    private static void checkPattern(String pattern, String[] expectedResult) throws Throwable {
        List<String> result = applyPattern(pattern);
        assertEquals(expectedResult.length, result.size(), "result size");
        int i = 0;
        for (Iterator<String> it = result.iterator(); it.hasNext(); ) {
            String name = it.next();
            String href = it.next();
            assertEquals(expectedResult[i], name);
            assertEquals(expectedResult[i + 1], href);
            i += 2;
        }
    }

    private static void checkPatternIllegalArgument(String cause, String pattern) throws Throwable {
        try {
            applyPattern(pattern);
            fail(cause + " should throw an IllegalArgumentException");
        } catch (IllegalArgumentException iae) {
            // ok
        }
    }

    /**
     * @throws Throwable if any
     */
    @Test
    public void testApplyPattern() throws Throwable {
        // the most simple test
        checkPattern("test {text,url}", new String[] {"test ", null, "text", "url"});

        // check that link content is trimmed, and no problem if 2 text values are the same
        checkPattern("test{ text , url }test", new String[] {"test", null, "text", "url", "test", null});

        // check brace stacking
        checkPattern("test{ {text} , url }", new String[] {"test", null, "{text}", "url"});

        // check quoting
        checkPatternIllegalArgument("unmatched brace", "{");
        checkPattern("'{'", new String[] {"'{'", null});
        checkPattern(" ' { '.", new String[] {" ' { '.", null});

        // unmatched quote: the actual behavior is to ignore that they are unmatched
        checkPattern(" '", new String[] {" '", null});
        // but shouldn't it be different and throw an IllegalArgumentException?
        //    checkPatternIllegalArgument( "unmatched quote", " ' " );
        //    checkPatternIllegalArgument( "unmatched quote", " '" );
        // impact is too important to make the change for the moment

        // check double quoting
        checkPattern(" ''", new String[] {" '", null});
        checkPattern(" '' ", new String[] {" '", null});
        checkPattern(" ''   ", new String[] {" '", null});

        // real world cases with quote
        checkPattern("project''s info", new String[] {"project'", null, "s info", null});
        checkPattern(
                "it''s a question of {chance, http://en.wikipedia.org/wiki/Chance}",
                new String[] {"it'", null, "s a question of ", null, "chance", "http://en.wikipedia.org/wiki/Chance"});
        checkPattern("{s'inscrire,mail@mail.com}", new String[] {"s'inscrire", "mail@mail.com"});

        // throwing an IllegalArgumentException in case of unmatched quote would avoid the following:
        checkPattern(
                "it's a question of {chance, http://en.wikipedia.org/wiki/Chance}",
                new String[] {"it's a question of {chance, http://en.wikipedia.org/wiki/Chance}", null});

        checkPattern("{}test,", new String[] {"", null, "test,", null});
        checkPattern("Hi ${name}. How is it going, sir?", new String[] {"Hi ${name}. How is it going, sir?", null});

        // MSHARED-392 multiple links
        checkPattern(
                "{Indiana University Extreme! Lab Software License, vesion 1.1.1,"
                        + "http://www.extreme.indiana.edu/viewcvs/~checkout~/XPP3/java/LICENSE.txt}"
                        + "{Public Domain,http://creativecommons.org/licenses/publicdomain}"
                        + "{Apache Software License, version 1.1,http://www.apache.org/licenses/LICENSE-1.1}",
                new String[] {
                    "Indiana University Extreme! Lab Software License, vesion 1.1.1",
                    "http://www.extreme.indiana.edu/viewcvs/~checkout~/XPP3/java/LICENSE.txt",
                    "Public Domain",
                    "http://creativecommons.org/licenses/publicdomain",
                    "Apache Software License, version 1.1",
                    "http://www.apache.org/licenses/LICENSE-1.1"
                });
    }
}