/*
    * 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.jansi;
  
  import java.util.Locale;
  
  import org.fusesource.jansi.Ansi;
  import org.fusesource.jansi.Ansi.Color;
  
  /**
   * Configurable message styles.
   * @since 4.0.0
   */
  enum Style {
      TRACE("bold,magenta"),
      DEBUG("bold,cyan"),
      INFO("bold,blue"),
      WARNING("bold,yellow"),
      ERROR("bold,red"),
      SUCCESS("bold,green"),
      FAILURE("bold,red"),
      STRONG("bold"),
      MOJO("green"),
      PROJECT("cyan");
  
      private final boolean bold;
  
      private final boolean bright;
  
      private final Color color;
  
      private final boolean bgBright;
  
      private final Color bgColor;
  
      Style(String defaultValue) {
          boolean currentBold = false;
          boolean currentBright = false;
          Color currentColor = null;
          boolean currentBgBright = false;
          Color currentBgColor = null;
  
          String value = System.getProperty("style." + name().toLowerCase(Locale.ENGLISH), defaultValue)
                  .toLowerCase(Locale.ENGLISH);
  
          for (String token : value.split(",")) {
              if ("bold".equals(token)) {
                  currentBold = true;
              } else if (token.startsWith("bg")) {
                  token = token.substring(2);
                  if (token.startsWith("bright")) {
                      currentBgBright = true;
                      token = token.substring(6);
                  }
                  currentBgColor = toColor(token);
              } else {
                  if (token.startsWith("bright")) {
                      currentBright = true;
                      token = token.substring(6);
                  }
                  currentColor = toColor(token);
              }
          }
  
          this.bold = currentBold;
          this.bright = currentBright;
          this.color = currentColor;
          this.bgBright = currentBgBright;
          this.bgColor = currentBgColor;
      }
  
      private static Color toColor(String token) {
          for (Color color : Color.values()) {
              if (color.toString().equalsIgnoreCase(token)) {
                  return color;
              }
          }
          return null;
      }
  
      Ansi apply(Ansi ansi) {
          if (bold) {
              ansi.bold();
         }
         if (color != null) {
             if (bright) {
                 ansi.fgBright(color);
             } else {
                 ansi.fg(color);
             }
         }
         if (bgColor != null) {
             if (bgBright) {
                 ansi.bgBright(bgColor);
             } else {
                 ansi.bg(bgColor);
             }
         }
         return ansi;
     }
 
     @Override
     public String toString() {
         if (!bold && color == null && bgColor == null) {
             return name();
         }
         StringBuilder sb = new StringBuilder(name() + '=');
         if (bold) {
             sb.append("bold");
         }
         if (color != null) {
             if (sb.length() > 0) {
                 sb.append(',');
             }
             if (bright) {
                 sb.append("bright");
             }
             sb.append(color.name());
         }
         if (bgColor != null) {
             if (sb.length() > 0) {
                 sb.append(',');
             }
             sb.append("bg");
             if (bgBright) {
                 sb.append("bright");
             }
             sb.append(bgColor.name());
         }
         return sb.toString();
     }
 }