package com.vci.client.uif.engine.common;

import java.util.HashMap;
import java.util.Map;

import com.vci.client.bof.ClientBusinessObject;
import com.vci.client.bof.ClientBusinessObjectOperation;
import com.vci.client.bof.ClientLinkObject;
import com.vci.corba.common.VCIError;

public abstract class AbstractDataNode implements IDataNode {

	protected Object masterObject = null;
	protected Map<String, String> valueMap = new HashMap<String, String>();
	protected boolean isForward = true;
	private Object customObject = null;
	
	@Override
	public Object getMaterObject() {
		return this.masterObject;
	}

	@Override
	public Map<String, String> getValueMap() {
		return this.valueMap;
	}
	
	@Override
	public Object getCustomObject() {
		return this.customObject;
	}
	
	@Override
	public void setCustomObject(Object customObject) {
		this.customObject = customObject;
	}

	@Override
	public void setMasterObject(Object masterObject) {
		this.masterObject = masterObject;
	}

	@Override
	public void setValueMap(Map<String, String> valueMap) {
		this.valueMap = valueMap;
	}

	@Override
	public boolean isForward() {
		return this.isForward;
	}
	
	@Override
	public void setForward(boolean isForward) {
		this.isForward = isForward;
	}
	

	/**
	 * 返回节点对应的ClientBusinessObject对象。
	 * @return
	 */
	@Override
	public ClientBusinessObject getClientBusinessObject(){
		if(cbo == null){
			toString();
		}
		return cbo;
	}
	
	private boolean cboIsLoaded = false;
	private ClientBusinessObject cbo = null;
	@Override
	public String toString(){
		/**
		 * toString() 执行策略
		 * 如果 ${id} != ${name}，则返回 ${id}+空格+${name}
		 * 否则 返回  ${id}+空格+${desc}
		 */
		String res = "";
		if(getMaterObject() instanceof ClientBusinessObject){
			cbo = (ClientBusinessObject)getMaterObject();
		} else if(getMaterObject() instanceof ClientLinkObject){
			ClientLinkObject clo = (ClientLinkObject)getMaterObject();
			if(!cboIsLoaded){
				cbo = getBOByLO(clo);
				cboIsLoaded = true;
			}
		}
		if(cbo != null){
			String id = getBOAttrVal(cbo, "ID");
			res = id;
			
			String name = getBOAttrVal(cbo, "NAME");
			if(!id.equals(name)){
				res += " " + name;
			} else{
				String desc = getBOAttrVal(cbo, "DESCRIPTION");
				res += " " + desc;
			}
		}
		return res;
	}
	
	private ClientBusinessObject getBOByLO(ClientLinkObject clo){
		ClientBusinessObjectOperation operation = new ClientBusinessObjectOperation();
		String oid = CBOHelper.getBusinessObjectOid(this);
		String type = CBOHelper.getBusinessObjectType(this);
		try {
			cbo = operation.readBusinessObjectById(oid, type);
		} catch (VCIError e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return cbo;
	}

	private String getBOAttrVal(ClientBusinessObject cbo, String attrName){
		return cbo.getAttributeValue(attrName);
	}
}