package com.vci.client.omd.inter.impl;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import com.vci.corba.omd.atm.AttribItem;
import com.vci.corba.omd.ltm.LinkType;
import com.vci.client.omd.attribpool.ui.APClient;
import com.vci.client.omd.linktype.LinkTypeStart;
import com.vci.client.omd.linktype.util.Tool;
import com.vci.corba.common.VCIError;

/**
 * 实现属性池提供的接口, 实现属性池的查看使用范围功能
 * @author Administrator
 *
 */
public class InterAPForLTImpl implements InterAPForLinkType{
	
	/**
	 * 返回使用指定属性的业务类型名列表
	 */
	@Override
	public ArrayList<String> getUsedNameList(String abItemName){
		String[] ltNameArray = null;
		try {
			ltNameArray = LinkTypeStart.getService().getLTNamesByAPName(abItemName);
		} catch (VCIError e) {
			e.printStackTrace();
		}
		return convertArrayToList(ltNameArray);
	}

	/**
	 * 
	 * @param objArray
	 * @return
	 */
	private ArrayList<String> convertArrayToList(String[] objArray){
		if(objArray == null){
			return null;
		}
		ArrayList<String> objList = new ArrayList<String>();
		for(int i = 0; i < objArray.length; i++){
			String obj = objArray[i];
			objList.add(obj);
		}
		return objList;
	}


	/**
	 * 修改属性, 对应的修改业务类型和链接类型中该属性字段
	 */
	@Override
	public boolean alterAp(String apName) {
		String[] ltNames = null;
		ArrayList<String> ltNameList = new ArrayList<String>();
		AttribItem abItem = null;
		try {
			abItem = APClient.getService().getAttribItemByName(apName);
		} catch (VCIError e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if(abItem == null || abItem.equals("")){
			return true;
		}
		try {
			ltNames = LinkTypeStart.getService().getLTNamesByAPName(apName);
		} catch (VCIError e) {
			e.printStackTrace();
		}
		if(ltNames == null || ltNames.length <= 0){
			return true;
		}
		String abSql = Tool.getInstance().getAbSql(abItem);
		abSql = abSql.substring(0, abSql.lastIndexOf(","));
		ltNameList = Tool.getInstance().convertArrayToList(ltNames);
		for(Iterator<String> i = ltNameList.iterator(); i.hasNext();){
			String linkName = i.next();
			
			try {
				boolean success = LinkTypeStart.getService().modifyLTAttribute(linkName, apName);
				if (!success)
					return false;
				
			} catch (VCIError e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
//			String sql = "alter table " + OmdTools.getLTTableName(linkName) + " modify( " + abSql + " )";
//			DDLToolClient.getService().executeUpdateOracle(sql);
//			DDLToolClient.getService().alterTableDDLOracle(sql + ";");
		}
		
		return true;
	}

	/**
	 * 判断在业务类型和连接类型中, 该属性是否已生成数据
	 * 当使用该属性的业务类型有数据, 即判定该属性有数据
	 */
	@Override
	public boolean hasInstance(String apName) {
		String[] ltNames = null;
		try {
			ltNames = LinkTypeStart.getService().getLTNamesByAPName(apName);
		} catch (VCIError e) {
			e.printStackTrace();
		}
		
		if(ltNames == null || ltNames.length == 0){
			return false;
		}
		
		for(int i = 0; i < ltNames.length; i++){
			String ltName = ltNames[i];
			
			boolean flag;
			try {
				flag = LinkTypeStart.getService().hasData(ltName);
				if(flag){
					return flag;
				}
			} catch (VCIError e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			//boolean flag = DDLToolClient.getService().hasInstanceOralce(ltName);
		}
		
		return false;
	}

	/**
	 * 返回所有的链接类型名
	 */
	@Override
	public List<String> getAllLtName() {
		try {
			LinkType[] objs = LinkTypeStart.getService().getLinkTypes();
			List<String> list = new ArrayList<String>();
			for(LinkType obj : objs){
				list.add(obj.name);
			}
			return list;
		} catch (VCIError e) {
			e.printStackTrace();
		}
		return null;
	}
	
}