/*
    * MIT License
    *
    * Copyright (c) 2010-2020 The Waffle Project Contributors: https://github.com/Waffle/waffle/graphs/contributors
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy
    * of this software and associated documentation files (the "Software"), to deal
    * in the Software without restriction, including without limitation the rights
    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  package waffle.shiro;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import com.sun.jna.platform.win32.Secur32.EXTENDED_NAME_FORMAT;
  import com.sun.jna.platform.win32.Secur32Util;
  
  import java.util.Collections;
  
  import org.apache.shiro.authc.AuthenticationException;
  import org.apache.shiro.authc.AuthenticationInfo;
  import org.apache.shiro.authc.AuthenticationToken;
  import org.apache.shiro.authc.UsernamePasswordToken;
  import org.apache.shiro.subject.PrincipalCollection;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import waffle.mock.MockWindowsAuthProvider;
  
  /**
   * The Class GroupMappingWaffleRealmTest.
   */
  class GroupMappingWaffleRealmTest {
  
      /** The Constant ROLE_NAME. */
      private static final String ROLE_NAME = "ShiroUsers";
  
      /** The windows auth provider. */
      private MockWindowsAuthProvider windowsAuthProvider;
  
      /** The realm. */
      private GroupMappingWaffleRealm realm;
  
      /**
       * Sets the up.
       */
      @BeforeEach
      void setUp() {
          this.windowsAuthProvider = new MockWindowsAuthProvider();
          this.realm = new GroupMappingWaffleRealm();
          this.realm.setProvider(this.windowsAuthProvider);
          this.realm.setGroupRolesMap(Collections.singletonMap("Users", GroupMappingWaffleRealmTest.ROLE_NAME));
      }
  
      /**
       * Test valid username password.
       */
      @Test
      void testValidUsernamePassword() {
          final AuthenticationToken token = new UsernamePasswordToken(this.getCurrentUserName(), "somePassword");
          final AuthenticationInfo authcInfo = this.realm.getAuthenticationInfo(token);
          final PrincipalCollection principals = authcInfo.getPrincipals();
          Assertions.assertFalse(principals.isEmpty());
          final Object primaryPrincipal = principals.getPrimaryPrincipal();
          Assertions.assertNotNull(primaryPrincipal);
          assertThat(primaryPrincipal).isInstanceOf(WaffleFqnPrincipal.class);
          final WaffleFqnPrincipal fqnPrincipal = (WaffleFqnPrincipal) primaryPrincipal;
          assertThat(fqnPrincipal.getFqn()).isEqualTo(this.getCurrentUserName());
          assertThat(fqnPrincipal.getGroupFqns()).contains("Users", "Everyone");
          final Object credentials = authcInfo.getCredentials();
          assertThat(credentials).isInstanceOf(char[].class).isEqualTo("somePassword".toCharArray());
          Assertions.assertTrue(this.realm.hasRole(principals, GroupMappingWaffleRealmTest.ROLE_NAME));
      }
  
      /**
       * Test invalid username password.
       */
      @Test
      void testInvalidUsernamePassword() {
          final AuthenticationToken token = new UsernamePasswordToken("InvalidUser", "somePassword");
          Assertions.assertThrows(AuthenticationException.class, () -> {
              this.realm.getAuthenticationInfo(token);
          });
      }
  
     /**
      * Test guest username password.
      */
     @Test
     void testGuestUsernamePassword() {
         final AuthenticationToken token = new UsernamePasswordToken("Guest", "somePassword");
         Assertions.assertThrows(AuthenticationException.class, () -> {
             this.realm.getAuthenticationInfo(token);
         });
     }
 
     /**
      * Gets the current user name.
      *
      * @return the current user name
      */
     private String getCurrentUserName() {
         return Secur32Util.getUserNameEx(EXTENDED_NAME_FORMAT.NameSamCompatible);
     }
 
 }