/*
    * Copyright (c) 2002-2025, City of Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.util.env;
  
  import java.io.File;
  import java.net.URISyntaxException;
  import java.net.URL;
  import java.nio.file.Paths;
  import java.util.HashMap;
  import java.util.Map;
  import org.junit.Test;
  import static org.junit.Assert.*;
  
  /**
   * EnvUtilTest
   */
  public class EnvUtilTest
  {
      private static final String ENV_LUTECE_DB_HOST_VAR = "LUTECE_HOST";
      private static final String ENV_LUTECE_DB_HOST_VALUE = "mysql";
      private static final String ENV_LUTECE_DB_USER_VAR = "LUTECE_DB_USER";
      private static final String ENV_LUTECE_DB_USER_VALUE = "lutece_user";
      private static final String ENV_LUTECE_DB_NAME_VAR = "LUTECE_DATABASE";
      private static final String ENV_LUTECE_DB_NAME_VALUE = "lutece";
      private static final String ENV_LUTECE_DB_PWD_FILE_VAR = "LUTECE_DB_PWD_FILE";
      private static final String ENV_LUTECE_DB_PWD_FILE_VALUE = "./fr/paris/lutece/util/env/password.txt";
      private static final String PASSWORD = "${LUTECE_DB_PWD_FILE}";
      private static final String PASSWORD_EXPECTED = "change me";
      private static final String URL = "jdbc:mysql://${LUTECE_HOST}/${LUTECE_DATABASE}?autoReconnect=true&useUnicode=yes&characterEncoding=utf8";
      private static final String URL_EXPECTED = "jdbc:mysql://mysql/lutece?autoReconnect=true&useUnicode=yes&characterEncoding=utf8";
  
      /**
       * Test of evaluate method, of class EnvUtil.
       * 
       * @throws java.net.URISyntaxException
       */
      @Test
      public void testEvaluate( ) throws URISyntaxException
      {
          System.out.println( "testEvaluate" );
  
          Map<String, String> mapEnv = new HashMap<>( );
          mapEnv.put( ENV_LUTECE_DB_USER_VAR, ENV_LUTECE_DB_USER_VALUE );
          mapEnv.put( ENV_LUTECE_DB_NAME_VAR, ENV_LUTECE_DB_NAME_VALUE );
          mapEnv.put( ENV_LUTECE_DB_HOST_VAR, ENV_LUTECE_DB_HOST_VALUE );
          URL url = getClass( ).getClassLoader( ).getResource( ENV_LUTECE_DB_PWD_FILE_VALUE );
          File file = Paths.get( url.toURI( ) ).toFile( );
          mapEnv.put( ENV_LUTECE_DB_PWD_FILE_VAR, file.getAbsolutePath( ) );
  
          // Try a real env variable
          String strSource = "${JAVA_HOME}";
          String result = EnvUtil.evaluate( strSource );
          System.out.println( strSource + ":" + result );
  
          EnvUtil.setMockMapEnv( mapEnv );
          strSource = "${" + ENV_LUTECE_DB_USER_VAR + "}";
          result = EnvUtil.evaluate( strSource );
          System.out.println( strSource + ":" + result );
          assertEquals( ENV_LUTECE_DB_USER_VALUE, result );
          strSource = "${" + EnvUtil.PREFIX_ENV + ENV_LUTECE_DB_USER_VAR + "}";
          result = EnvUtil.evaluate( strSource, EnvUtil.PREFIX_ENV );
          System.out.println( strSource + ":" + result );
          assertEquals( ENV_LUTECE_DB_USER_VALUE, result );
          result = EnvUtil.evaluate( ENV_LUTECE_DB_USER_VAR );
          assertEquals( ENV_LUTECE_DB_USER_VAR, result );
          result = EnvUtil.evaluate( URL );
          assertEquals( URL_EXPECTED, result );
          result = EnvUtil.evaluate( PASSWORD );
         System.out.println( result );
         assertEquals( PASSWORD_EXPECTED, result );
 
         System.out.println( EnvUtil.evaluate( null ) );
         System.out.println( EnvUtil.evaluate( "${DUMMY}" ) );
 
     }
 
 }