/*
    *    Copyright 2010-2024 the original author or authors.
    *
    *    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
    *
    *       https://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.
   */
  /*
   * 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.mybatis.maven.testing;
  
  import java.io.File;
  
  import org.apache.maven.artifact.repository.MavenArtifactRepository;
  import org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout;
  import org.codehaus.plexus.PlexusTestCase;
  import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;
  import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
  
  /**
   * Mybatis: Borrowed from 'https://github.com/apache/maven-plugin-testing/blob/master/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/ConfiguationException.java'
   * Reason: Removed from release 4.0.0-beta-1 and we need to have junit 5 support.  Maven dropped maven 3 support here!
   * Git: From release 4.0.0-alpha-2
   */
  
  /**
   * Stub for {@link ExpressionEvaluator}
   *
   * @author jesse
   */
  public class ResolverExpressionEvaluatorStub implements ExpressionEvaluator {
    /** {@inheritDoc} */
    @Override
    public Object evaluate(String expr) throws ExpressionEvaluationException {
  
      Object value = null;
  
      if (expr == null) {
        return null;
      }
  
      String expression = stripTokens(expr);
  
      if (expression.equals(expr)) {
        int index = expr.indexOf("${");
        if (index >= 0) {
          int lastIndex = expr.indexOf("}", index);
          if (lastIndex >= 0) {
            String retVal = expr.substring(0, index);
  
            if (index > 0 && expr.charAt(index - 1) == '$') {
              retVal += expr.substring(index + 1, lastIndex + 1);
            } else {
              retVal += evaluate(expr.substring(index, lastIndex + 1));
            }
  
            retVal += evaluate(expr.substring(lastIndex + 1));
            return retVal;
          }
        }
  
        // Was not an expression
        if (expression.indexOf("$$") > -1) {
          return expression.replaceAll("\\$\\$", "\\$");
        }
      }
  
      if ("basedir".equals(expression) || "project.basedir".equals(expression)) {
        return PlexusTestCase.getBasedir();
      } else if (expression.startsWith("basedir") || expression.startsWith("project.basedir")) {
        int pathSeparator = expression.indexOf("/");
  
        if (pathSeparator > 0) {
          value = PlexusTestCase.getBasedir() + expression.substring(pathSeparator);
        } else {
         System.out.println("Got expression '" + expression + "' that was not recognised");
       }
       return value;
     } else if ("localRepository".equals(expression)) {
       File localRepo = new File(PlexusTestCase.getBasedir(), "target/local-repo");
       return new MavenArtifactRepository("localRepository", "file://" + localRepo.getAbsolutePath(),
           new DefaultRepositoryLayout(), null, null);
     } else {
       return expr;
     }
   }
 
   private String stripTokens(String expr) {
     if (expr.startsWith("${") && expr.indexOf("}") == expr.length() - 1) {
       expr = expr.substring(2, expr.length() - 1);
     }
 
     return expr;
   }
 
   /** {@inheritDoc} */
   @Override
   public File alignToBaseDirectory(File file) {
     if (file.getAbsolutePath().startsWith(PlexusTestCase.getBasedir())) {
       return file;
     } else if (file.isAbsolute()) {
       return file;
     } else {
       return new File(PlexusTestCase.getBasedir(), file.getPath());
     }
   }
 }