/*
    * Copyright 2004-2006 the Seasar Foundation and the Others.
    *
    * 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.seasar.tuigwaa.system;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  import javassist.CannotCompileException;
  
  import org.seasar.tuigwaa.controller.ControllerService;
  import org.seasar.tuigwaa.database.function.SearchExeFunction;
  import org.seasar.tuigwaa.database.function.UpdateExeFunction;
  import org.seasar.tuigwaa.database.util.FileData;
  import org.seasar.tuigwaa.model.DAOService;
  import org.seasar.tuigwaa.model.ModelService;
  import org.seasar.tuigwaa.model.common.EntityUtils;
  import org.seasar.tuigwaa.model.core.TgwEntity;
  import org.seasar.tuigwaa.plugin.TgwPluginUtils;
  import org.seasar.tuigwaa.view.CustomFormComponent;
  import org.seasar.tuigwaa.view.HtmlService;
  import org.seasar.tuigwaa.view.SearchFormComponent;
  
  public class ServiceHelperImpl implements ServiceHelper {
  
  	private HtmlService view;
  
  	private ModelService model;
  
  	private ControllerService controller;
  
  	private DAOService dao;
  
  	public void setView(HtmlService view) {
  		this.view = view;
  	}
  
  	public void setModel(ModelService model) {
  		this.model = model;
  	}
  
  	public void setController(ControllerService controller) {
  		this.controller = controller;
  	}
  
  	public void setDao(DAOService dao) {
  		this.dao = dao;
  	}
  
  	public SearchFormComponent getSearchForm(TgwEntity entity, String searchName) {
  		SearchExeFunction exeFunction = getSearchExe(entity, searchName);
  		return view.createSearchFormComponent(entity, exeFunction);
  	}
  
  	public String getSearchActionName(TgwEntity entity, String sformName) {
  		SearchExeFunction exeFunction = getSearchExe(entity, sformName);
  		return controller.getSearchActionName(entity, exeFunction);
  	}
  
  	public String getSearchFormName(TgwEntity entity, String sformName) {
  		SearchExeFunction exeFunction = getSearchExe(entity, sformName);
  		return controller.getSearchFormName(entity, exeFunction);
  	}
  
  	public String getCustomFormName(TgwEntity entity, String cformName) {
  		UpdateExeFunction exe = getUpdateExe(entity, cformName);
  		return controller.getCustomFormName(entity, exe);
  	}
  
  	public CustomFormComponent getCustomForm(TgwEntity entity,
  			String cformName, Object bean) {
  		UpdateExeFunction exeFunction = getUpdateExe(entity, cformName);
  		return view.createCustomFormComponent(entity, bean, exeFunction);
  	}
  
  	public String getCustomActionName(TgwEntity entity, String cformName) {
  		UpdateExeFunction exe = getUpdateExe(entity, cformName);
  		return controller.getCustomActionName(entity, exe);
  	}
  
  	private UpdateExeFunction getUpdateExe(TgwEntity entity, String cformName) {
  		return (UpdateExeFunction) dao.getCustomFormFunctionMap(entity).get(
  				cformName);
  	}
  
 	public SearchExeFunction getSearchExe(TgwEntity entity, String sformName) {
 		Map map = dao.getSearchFunctionMap(entity);
 		return (SearchExeFunction) map.get(sformName);
 	}
 
 	public void setupControllerConfigs(String siteName) {
 		List entities = model.getEntityList(siteName);
 		controller.addEntityConfigs(entities);
 		Iterator entityItr = model.getEntityIterator(siteName);
 		while (entityItr.hasNext()) {
 			TgwEntity entity = (TgwEntity) entityItr.next();
 			loadFunctionConfigs(entity);
 		}
 	}
 		
 	public void loadFunctionConfigs(TgwEntity entity){
 		dao.loadFunctions(entity);
 		Map map = dao.getSearchFunctionMap(entity);
 		if (map != null) {
 			Iterator searchExeItr = map.keySet().iterator();
 			while (searchExeItr.hasNext()) {
 				SearchExeFunction exeFunction = (SearchExeFunction) map
 						.get(searchExeItr.next());
 				controller.addSearchConfig(entity, exeFunction);
 			}
 		}
 		Map customFormMap = dao.getCustomFormFunctionMap(entity);
 		if (customFormMap != null) {
 			Iterator formItr = customFormMap.values().iterator();
 			while (formItr.hasNext()) {
 				UpdateExeFunction cform = (UpdateExeFunction) formItr
 						.next();
 				controller.addCustomFormConfig(entity, cform);
 			}
 		}		
 	}	
 
 	public void setupFileDataTable(TgwEntity entity) {
 		if (EntityUtils.isExistFileField(entity)) {
 			TgwEntity fileEntity = getFileEntity(entity.getDomainName());
 			if (fileEntity == null) {
 				String entityName = TgwPluginUtils
 						.toPluginEntityName(FileData.class);
 				fileEntity = model.readJavaClass(entity.getDomainName(),
 						entityName, FileData.class);
 				try {
 					model.createEntity(fileEntity);
 				} catch (ClassNotFoundException e) {
 					// do nothing
 				} catch (CannotCompileException e) {
 					// do nothing
 				}
 			}
 		}
 	}
 
 	public void setupFileDataTable(String siteName) {
 		List list = new ArrayList();
 		list.addAll(model.getEntityList(siteName));
 		Iterator itr = list.iterator();
 		while (itr.hasNext()) {
 			TgwEntity entity = (TgwEntity) itr.next();
 			setupFileDataTable(entity);
 		}
 	}
 
 	private TgwEntity getFileEntity(String domainName) {
 		String entityName = TgwPluginUtils.toPluginEntityName(FileData.class);
 		return model.getEntity(domainName, entityName);
 	}
 }