package org.metricshub.wmi.wbem;
   
   /*-
    * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
    * WMI Java Client
    * ჻჻჻჻჻჻
    * Copyright (C) 2023 - 2025 MetricsHub
    * ჻჻჻჻჻჻
    * 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.
   * ╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱
   */
  
  import com.sun.jna.Memory;
  import com.sun.jna.Native;
  import com.sun.jna.Pointer;
  import com.sun.jna.Structure;
  
  /**
   * COAUTHIDENTITY struct
   * <p>
   * See https://docs.microsoft.com/en-us/windows/win32/api/wtypesbase/ns-wtypesbase-coauthidentity
   */
  @Structure.FieldOrder({ "user", "userLength", "domain", "domainLength", "password", "passwordLength", "flags" })
  public class CoAuthIdentity extends Structure {
  
  	public Pointer user;
  	public int userLength;
  	public Pointer domain;
  	public int domainLength;
  	public Pointer password;
  	public int passwordLength;
  	public int flags;
  
  	/**
  	 * Creates a new COAUTHIDENTITY struct from the specified username and password
  	 * @param username username, or domain\\username, or username@domain
  	 * @param password associated password
  	 */
  	public CoAuthIdentity(final String username, final char[] password) {
  		String domain = null;
  		String user = username;
  
  		// Extract domain from username, which can be domain\\user or
  		// user@domain
  		final int backslashIndex = username.indexOf('\\');
  		if (backslashIndex > -1) {
  			domain = username.substring(0, backslashIndex);
  			user = username.substring(backslashIndex + 1);
  		} else {
  			final int atIndex = username.indexOf('@');
  			if (atIndex > -1) {
  				user = username.substring(0, atIndex);
  				domain = username.substring(atIndex + 1);
  			}
  		}
  
  		// Sets the user field (native)
  		this.user = new Memory(Native.WCHAR_SIZE * (user.length() + 1L));
  		this.user.setWideString(0, user);
  		this.userLength = user.length();
  
  		// Sets the domain field
  		if (domain != null) {
  			this.domain = new Memory(Native.WCHAR_SIZE * (domain.length() + 1L));
  			this.domain.setWideString(0, domain);
  			this.domainLength = domain.length();
  		} else {
  			this.domain = null;
  			this.domainLength = 0;
  		}
  
  		// Sets the password field (native)
  		// Note: too bad we couldn't manage to copy the password as a char array
  		// without creating a String object
  		if (password != null) {
  			this.password = new Memory(Native.WCHAR_SIZE * (password.length + 1L));
  			this.password.setWideString(0, String.valueOf(password));
  			this.passwordLength = password.length;
  		} else {
  			this.password = null;
  			this.passwordLength = 0;
  		}
  
  		// Unicode
  		this.flags = 0x2;
  	}
  }