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/*
 * SonarQube Java
 * Copyright (C) 2012-2018 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.java.checks;

import java.util.Collections;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.sonar.check.Rule;
import org.sonar.check.RuleProperty;
import org.sonar.java.checks.methods.AbstractMethodDetection;
import org.sonar.java.matcher.MethodMatcher;
import org.sonar.plugins.java.api.tree.NewClassTree;

@Rule(key = "S4011")
public class DisallowedConstructorCheck extends AbstractMethodDetection {

  @RuleProperty(key = "className", description = "Name of the class whose constructor is forbidden. This parameter is mandatory, if absent the rule is disabled.")
  private String className = "";

  @RuleProperty(key = "argumentTypes", description = "Comma-delimited list of argument types, E.G. java.lang.String, int[], int")
  private String argumentTypes = "";

  @RuleProperty(key = "allOverloads", description = "Set to true to flag all overloads regardless of parameter type", defaultValue = "false")
  private boolean allOverloads = false;

  @Override
  protected List getMethodInvocationMatchers() {
    MethodMatcher invocationMatcher = MethodMatcher.create().name("");
    if (StringUtils.isEmpty(className)) {
      return Collections.emptyList();
    }
    invocationMatcher.typeDefinition(className);
    if (allOverloads) {
      invocationMatcher.withAnyParameters();
    } else {
      String[] args = StringUtils.split(argumentTypes, ",");
      if (args.length == 0) {
        invocationMatcher.withoutParameter();
      } else {
        for (String arg : args) {
          invocationMatcher.addParameter(StringUtils.trim(arg));
        }
      }
    }
    return Collections.singletonList(invocationMatcher);
  }

  @Override
  protected void onConstructorFound(NewClassTree newClassTree) {
    reportIssue(newClassTree.identifier(), "Remove this forbidden initialization");
  }

  public void setClassName(String className) {
    this.className = className;
  }

  public void setArgumentTypes(String argumentTypes) {
    this.argumentTypes = argumentTypes;
  }

  public void setAllOverloads(boolean allOverloads) {
    this.allOverloads = allOverloads;
  }
}