package jbCAP;

import jVARIANT.VARIANT;
import jVARIANT.VARENUM;
import java.util.Arrays;

/** @file bCapExtension.java
 *
 *  @brief b-CAP client library
 *
 *  @version	1.2
 *	@date		2014/5/26
 *	@author		DENSO WAVE (m)
 *
 */
public class bCapExtension extends bCapObjectTmpl{
	private bCapVariables m_vars;
	
	protected bCapExtension(int iHandle, bCapSocket sock)
	{
		m_hr = 0;
		m_iHandle = iHandle;
		m_iOffset = 29;
		
		m_bCapSock = sock;
				
		m_vars = new bCapVariables(m_iHandle, m_bCapSock, 1);
	}
	
	@Override
	protected void Disconnect()
	{
		// Clear bCap Objects
		m_vars.Clear();
		
		// Disconnect bCapExtension
		bCapPacket msg = new bCapPacket();
		msg.m_ID = 36; // Extension_Release
		
		VARIANT vnt = new VARIANT(VARENUM.VT_I4, m_iHandle);
		msg.m_vntArray.add(vnt);
		
		msg = m_bCapSock.SendMessage(msg);
		
		m_hr = msg.m_ID;
	}
	
	public VARIANT get_VariableNames(String strOption)
	{
		VARIANT vntReturn = new VARIANT();
		
		bCapPacket msg = new bCapPacket();
		msg.m_ID = 27; // Extension_GetVariableNames
		
		VARIANT vnt[] = new VARIANT[2];
		vnt[0] = new VARIANT(VARENUM.VT_I4, m_iHandle);
		vnt[1] = new VARIANT(VARENUM.VT_BSTR, strOption);
		msg.m_vntArray.addAll(Arrays.asList(vnt));

		msg = m_bCapSock.SendMessage(msg);
		
		m_hr = msg.m_ID;
		
		if(msg.m_vntArray.size() == 1)
		{
			vntReturn = msg.m_vntArray.get(0);
		}
		
		return vntReturn;
	}
	
	public bCapVariables get_Variables()
	{
		return m_vars;
	}
	
	public bCapVariable AddVariable(String strName, String strOption)
	{
		bCapVariable var = m_vars.Add(strName, strOption);
		m_hr = m_vars.HRESULT();
		
		return var;
	}
	
	public VARIANT Execute(String strCommand, VARIANT vntParam)
	{
		VARIANT vntReturn = new VARIANT();
		
		bCapPacket msg = new bCapPacket();
		msg.m_ID = 28; // Extension_Execute
		
		VARIANT[] vnt = new VARIANT[3];
		vnt[0] = new VARIANT(VARENUM.VT_I4, m_iHandle);
		vnt[1] = new VARIANT(VARENUM.VT_BSTR, strCommand);
		vnt[2] = vntParam != null ? vntParam : new VARIANT();
		msg.m_vntArray.addAll(Arrays.asList(vnt));
		
		msg = m_bCapSock.SendMessage(msg);
		
		m_hr = msg.m_ID;

		if(msg.m_vntArray.size() == 1)
		{
			vntReturn = msg.m_vntArray.get(0);
		}

		return vntReturn;
	}
}