/*
 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collections;
import java.util.stream.Stream;

// Assumptions: test names are unique
public class SortTestsByTime {
    static final boolean DEBUG = false;
    static TestDuration td;

    public static void main(String[] args) throws Exception {
        String fn = args[0];
        ArrayList<TestDuration> list = new ArrayList<>();

        Files.lines(Paths.get(fn))
            .forEach(l -> {
                    logDebug(l);
                    if (parseLine(td, l)) {
                        if (td != null) {
                            logDebug(td.toString());
                            list.add(td);
                        }
                        td = new TestDuration();
                    }
                });

        Collections.sort(list);
        list.forEach(td -> System.out.println(td));
    }

    // Returns true when parsing of current entry is done
    static boolean parseLine(TestDuration td, String l) {
        if (l.contains("-----"))
            return true;

        if (l.contains("TEST:")) {
            td.testName = l.replaceFirst("TEST:", "").strip();
            return false;
        }

        String duration = l.replaceFirst("^.*\\:", "").replaceAll("seconds", "").strip();
        td.duration += Float.parseFloat(duration);

        return false;
    }

    static void logDebug(String msg) {
        if (DEBUG) System.out.println(msg);
    }

    static class TestDuration implements Comparable<TestDuration> {
        String testName;
        float duration;

        @Override
        public int compareTo​(TestDuration td) {
            return Float.compare(this.duration, td.duration);
        }

        public String toString() {
            return String.format("%s: %f", testName, duration);
        }
    }
}
