/*
    *  Copyright 2012 Chris Pheby
    *
    *  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.
   */
  package org.jadira.scanner.classpath.types;
  
  import java.util.Set;
  
  import javassist.bytecode.AccessFlag;
  import javassist.bytecode.ClassFile;
  
  import org.apache.commons.lang3.builder.EqualsBuilder;
  import org.apache.commons.lang3.builder.HashCodeBuilder;
  import org.apache.commons.lang3.builder.ToStringBuilder;
  import org.apache.commons.lang3.builder.ToStringStyle;
  import org.jadira.scanner.classpath.ClasspathResolver;
  import org.jadira.scanner.core.exception.ClasspathAccessException;
  
  public abstract class JType extends JElement {
  
      private final ClassFile classFile;
  
      protected JType(ClassFile classFile, ClasspathResolver resolver) {
          super(classFile.getName(), resolver);
          this.classFile = classFile;
      }
  
      public abstract JPackage getPackage() throws ClasspathAccessException;
  
      // public abstract List<JType> getTypeParams()
  
      public abstract Class<?> getActualClass() throws ClasspathAccessException;
  
      
      @Override
      public <A extends java.lang.annotation.Annotation>JAnnotation<A> getAnnotation(Class<A> annotation) throws ClasspathAccessException {
  
          Set<JAnnotation<?>> inspAnnotations = getAnnotations();
          for (JAnnotation<?> next : inspAnnotations) {
              if (next.getName().equals(annotation.getName())
                      && (next.getActualAnnotation().annotationType().getClass().equals(annotation.getClass()))) {
                  @SuppressWarnings("unchecked") JAnnotation<A> retVal = (JAnnotation<A>)next;
                  return retVal;
              }
          }
          return null;
      }
  
      public String getModifier() {
          return isPrivate() ? "private" :
                 isProtected() ? "protected" :
                 isPublic() ? "public" : "";
      }
      
      public boolean isPublic() {
          return AccessFlag.isPublic(classFile.getAccessFlags());
      }
      
      public boolean isProtected() {
          return AccessFlag.isProtected(classFile.getAccessFlags());
      }
      
      public boolean isPrivate() {
          return AccessFlag.isPrivate(classFile.getAccessFlags());
      }
      
      public ClassFile getClassFile() {
          return classFile;
      }
      
      @Override
      public String toString() {
      	
      	ToStringBuilder builder = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
      	builder.append("name", getName());
      	
      	return builder.toString();
      }
      
      @Override
  	public boolean equals(Object obj) {
  		if (obj == null) {
  			return false;
  		}
  		if (obj == this) {
  			return true;
  		}
  		if (obj.getClass() != getClass()) {
 			return false;
 		}
 		// JType rhs = (JType) obj;
 		return new EqualsBuilder()
 			 	.appendSuper(super.equals(obj))
 				.isEquals();
 	}
 
     @Override
 	public int hashCode() {
 		return new HashCodeBuilder(11, 47).append(super.hashCode())
 				.toHashCode();
 	}
 }