/*
    * 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.cli.jline;
  
  import java.io.IOError;
  import java.io.IOException;
  import java.io.PrintStream;
  
  import org.apache.maven.api.services.MessageBuilder;
  import org.apache.maven.api.services.MessageBuilderFactory;
  import org.jline.jansi.AnsiConsole;
  import org.jline.reader.LineReader;
  import org.jline.reader.LineReaderBuilder;
  import org.jline.terminal.Terminal;
  import org.jline.terminal.TerminalBuilder;
  
  public class MessageUtils {
  
      static Terminal terminal;
      static LineReader reader;
      static MessageBuilderFactory messageBuilderFactory = new JLineMessageBuilderFactory();
      static boolean colorEnabled = true;
      static Thread shutdownHook;
      static final Object STARTUP_SHUTDOWN_MONITOR = new Object();
  
      static PrintStream prevOut;
      static PrintStream prevErr;
  
      public static void systemInstall() {
          try {
              terminal = TerminalBuilder.builder().name("Maven").dumb(true).build();
              reader = LineReaderBuilder.builder().terminal(terminal).build();
              AnsiConsole.setTerminal(terminal);
              AnsiConsole.systemInstall();
          } catch (IOException e) {
              throw new IOError(e);
          }
      }
  
      public static void registerShutdownHook() {
          if (shutdownHook == null) {
              shutdownHook = new Thread(() -> {
                  synchronized (MessageUtils.STARTUP_SHUTDOWN_MONITOR) {
                      MessageUtils.doSystemUninstall();
                  }
              });
              Runtime.getRuntime().addShutdownHook(shutdownHook);
          }
      }
  
      public static void systemUninstall() {
          doSystemUninstall();
          if (shutdownHook != null) {
              try {
                  Runtime.getRuntime().removeShutdownHook(shutdownHook);
              } catch (IllegalStateException var3) {
                  // ignore
              }
          }
      }
  
      private static void doSystemUninstall() {
          try {
              AnsiConsole.systemUninstall();
          } finally {
              terminal = null;
          }
      }
  
      public static void setColorEnabled(boolean enabled) {
          colorEnabled = enabled;
      }
  
      public static boolean isColorEnabled() {
          return colorEnabled && terminal != null;
      }
  
      public static int getTerminalWidth() {
          return terminal != null ? terminal.getWidth() : -1;
      }
  
      public static MessageBuilder builder() {
          return messageBuilderFactory.builder();
     }
 }