/*
 *  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.apache.myfaces.buildtools.maven2.plugin.builder.qdox.parse;

import java.util.Map;

import org.apache.myfaces.buildtools.maven2.plugin.builder.model.Model;
import org.apache.myfaces.buildtools.maven2.plugin.builder.model.ValidatorMeta;
import org.apache.myfaces.buildtools.maven2.plugin.builder.qdox.QdoxHelper;

import com.thoughtworks.qdox.model.AbstractJavaEntity;
import com.thoughtworks.qdox.model.Annotation;
import com.thoughtworks.qdox.model.DocletTag;
import com.thoughtworks.qdox.model.JavaClass;
import com.thoughtworks.qdox.model.JavaField;

/**
 * 
 * @author Leonardo Uribe
 * @since 1.0.9
 *
 */
public class ValidatorParsingStrategy extends ClassMetaPropertyParsingStrategy
{
    private static final String DOC_VALIDATOR = "JSFValidator";

    public void parseClass(JavaClass clazz, Model model)
    {
        DocletTag tag;
        Annotation anno;
        // validators
        tag = clazz.getTagByName(DOC_VALIDATOR, false);
        if (tag != null)
        {
            Map props = tag.getNamedParameterMap();
            processValidator(props, (AbstractJavaEntity)tag.getContext(), clazz, model);
        }
        anno = QdoxHelper.getAnnotation(clazz, DOC_VALIDATOR);
        if (anno != null)
        {
            Map props = anno.getNamedParameterMap();
            processValidator(props, (AbstractJavaEntity)anno.getContext(), clazz, model);
        }

    }
    
    private void processValidator(Map props, AbstractJavaEntity ctx,
            JavaClass clazz, Model model)
    {
        String longDescription = clazz.getComment();
        String descDflt = QdoxHelper.getFirstSentence(longDescription);
        if ((descDflt == null) || (descDflt.length() < 2))
        {
            descDflt = "no description";
        }
        String shortDescription = QdoxHelper.getString(clazz, "desc", props, descDflt);

        String validatorIdDflt = null;
        JavaField fieldConverterId = clazz
                .getFieldByName("VALIDATOR_ID");
        if (fieldConverterId != null)
        {
            String value = fieldConverterId.getInitializationExpression();
            validatorIdDflt = QdoxHelper.clean(value.substring(value.indexOf('"')));
        }        
        String validatorId = QdoxHelper.getString(clazz, "id", props, validatorIdDflt);

        // Check for both "class" and "clazz" in order to support
        // doclet and real annotations.
        String classNameOverride = QdoxHelper.getString(clazz, "class", props, null);
        classNameOverride = QdoxHelper.getString(clazz,"clazz",props,classNameOverride);
        
        String componentName = QdoxHelper.getString(clazz, "name", props, null);
        String bodyContent = QdoxHelper.getString(clazz, "bodyContent", props, null);
        String tagClass = QdoxHelper.getString(clazz, "tagClass", props, null);        
        String tagSuperclass = QdoxHelper.getString(clazz, "tagSuperclass", props, null);
        String tagHandler = QdoxHelper.getString(clazz, "tagHandler", props, null);
        String serialuidtag = QdoxHelper.getString(clazz, "serialuidtag", props, null);
        Boolean configExcluded = QdoxHelper.getBoolean(clazz,"configExcluded",props,null);
        Boolean evaluateELOnExecution = QdoxHelper.getBoolean(clazz,"evaluateELOnExecution",props,null);
        
        ValidatorMeta validator = new ValidatorMeta();
        initClassMeta(model, clazz, validator, classNameOverride);
        validator.setName(componentName);
        validator.setBodyContent(bodyContent);
        validator.setTagClass(tagClass);
        validator.setTagSuperclass(tagSuperclass);
        validator.setTagHandler(tagHandler);
        validator.setValidatorId(validatorId);
        validator.setDescription(shortDescription);
        validator.setLongDescription(longDescription);
        validator.setSerialuidtag(serialuidtag);
        validator.setConfigExcluded(configExcluded);
        validator.setEvaluateELOnExecution(evaluateELOnExecution);
        
        // Now here walk the component looking for property annotations.
        processComponentProperties(clazz, validator);
        
        model.addValidator(validator);
    }
}