// Copyright (C) 2014 The Android Open Source Project
//
// Licensed 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 com.googlesource.gerrit.plugins.xdocs.client;

import com.google.gerrit.client.rpc.Natives;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import java.util.Collections;
import java.util.Comparator;

public class FileInfo extends JavaScriptObject {
  public static final String COMMIT_MSG = "/COMMIT_MSG";

  public final native String path() /*-{ return this.path; }-*/;

  public final native boolean binary() /*-{ return this.binary || false; }-*/;

  public static void sortFileInfoByPath(JsArray<FileInfo> list) {
    Collections.sort(
        Natives.asList(list),
        new Comparator<FileInfo>() {
          @Override
          public int compare(FileInfo a, FileInfo b) {
            if (COMMIT_MSG.equals(a.path())) {
              return -1;
            } else if (COMMIT_MSG.equals(b.path())) {
              return 1;
            }
            return a.path().compareTo(b.path());
          }
        });
  }

  public static String getFileName(String path) {
    String fileName = COMMIT_MSG.equals(path) ? "Commit Message" : path;
    int s = fileName.lastIndexOf('/');
    return s >= 0 ? fileName.substring(s + 1) : fileName;
  }

  protected FileInfo() {}
}