/*
    * Copyright 2018-2022 The OSHI Project Contributors
    * SPDX-License-Identifier: MIT
    */
   package oshi.hardware.platform.unix.freebsd;
   
   import java.util.ArrayList;
   import java.util.HashMap;
   import java.util.List;
  import java.util.Map;
  
  import oshi.annotation.concurrent.Immutable;
  import oshi.hardware.SoundCard;
  import oshi.hardware.common.AbstractSoundCard;
  import oshi.util.ExecutingCommand;
  import oshi.util.ParseUtil;
  
  /**
   * FreeBSD soundcard.
   */
  @Immutable
  final class FreeBsdSoundCard extends AbstractSoundCard {
  
      private static final String LSHAL = "lshal";
  
      /**
       * Constructor for FreeBsdSoundCard.
       *
       * @param kernelVersion The version
       * @param name          The name
       * @param codec         The codec
       */
      FreeBsdSoundCard(String kernelVersion, String name, String codec) {
          super(kernelVersion, name, codec);
      }
  
      /**
       * <p>
       * getSoundCards.
       * </p>
       *
       * @return a {@link java.util.List} object.
       */
      public static List<SoundCard> getSoundCards() {
          Map<String, String> vendorMap = new HashMap<>();
          Map<String, String> productMap = new HashMap<>();
          vendorMap.clear();
          productMap.clear();
          List<String> sounds = new ArrayList<>();
          String key = "";
          for (String line : ExecutingCommand.runNative(LSHAL)) {
              line = line.trim();
              if (line.startsWith("udi =")) {
                  // we have the key.
                  key = ParseUtil.getSingleQuoteStringValue(line);
              } else if (!key.isEmpty() && !line.isEmpty()) {
                  if (line.contains("freebsd.driver =") && "pcm".equals(ParseUtil.getSingleQuoteStringValue(line))) {
                      sounds.add(key);
                  } else if (line.contains("info.product")) {
                      productMap.put(key, ParseUtil.getStringBetween(line, '\''));
                  } else if (line.contains("info.vendor")) {
                      vendorMap.put(key, ParseUtil.getStringBetween(line, '\''));
                  }
              }
          }
          List<SoundCard> soundCards = new ArrayList<>();
          for (String s : sounds) {
              soundCards.add(new FreeBsdSoundCard(productMap.get(s), vendorMap.get(s) + " " + productMap.get(s),
                      productMap.get(s)));
          }
          return soundCards;
      }
  }