package xin.glue.ui.common.component;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.posdata.glue.context.PosContext;
import com.posdata.glue.dao.vo.PosRowSet;
import com.posdata.glue.web.control.PosWebConstants;
import common.Logger;

import kr.co.comsquare.rwXmlLib.RwXml;

public class PosTrustForm {
	protected HttpServletRequest request;
	protected HttpServletResponse response;
	private Map property = new HashMap();
	private boolean doGetAllow = false;
//	private Logger logger = new Loger();
	
	public PosTrustForm setDoGetAllow(boolean doGetAllow) {
		this.doGetAllow = doGetAllow;
		return this;
	}

	public PosTrustForm(HttpServletRequest request) {
		this(request, null);
	}

	public PosTrustForm(HttpServletRequest request, HttpServletResponse response) {
    	super();
    	this.request = request;
    	this.response = response;
    }

	public PosTrustForm addProperty(String name, String value) {
		property.put(name, value);
		return this;
	}

	public String toString() {
		if (!(doGetAllow || request.getQueryString() == null)) return null;

		StringBuffer buffer = new StringBuffer();
		RwXml rx = new RwXml();
		rx.setEncoding("UTF-8");
		int rootNodeID = RwXml.rootNodeID;
		int resNode = rx.add(rootNodeID, "resData", "");

		if ("true".equalsIgnoreCase(request.getParameter("SystemProperty")) && property.size() > 0)
			setXml(rx, property, resNode, "Property");

		if (request != null) {
			try {
				PosContext ctx = (PosContext)request.getAttribute(PosWebConstants.CONTEXT);
				if (ctx == null) {
					String service = request.getParameter("ServiceName");
					String message = "Context is null, because Service [" + service + "] did not execute or has a problem.";     
					throw new Exception(message);
	//				logger.logInfo("");
		        }
				Throwable ex = ctx.getException();
				//if (ex != null) {
				//	throw new Exception(ex.getMessage());
				//}

				String[] resultKeys = (String[]) ctx.get("ResultKeyList");
				if (resultKeys != null && resultKeys.length > 0) {
					int length = resultKeys.length;
					for (int i = 0; i < length; i++) {
						Object data = ctx.get(resultKeys[i]);
						int voNode = rx.add(resNode, resultKeys[i] + "_VO", "");
						setXml(rx, data, voNode, resultKeys[i] + "_Row");
					}
				} else {
					throw new Exception("Context do not have [ResultKeyList].");
				}

				ex = ctx.getException();
				if (ex != null) {
					rx.add(resNode, "errorData", "<![CDATA[" + ex.getMessage() + "]]>");
				}
			} catch (Exception ex) {
				buffer.append(ex.toString());
				rx.add(resNode, "errorData", ex.getMessage());
				ex.printStackTrace();
			}
		}
		buffer.append(rx.xmlFlush());
		buffer.append(rx.xmlEndFlush());
		return buffer.toString();
	}

	protected void setXml(RwXml rx, Object data, int voNode, String resultKey) {
		if (data instanceof PosRowSet) setXml(rx, (PosRowSet)data, voNode, resultKey);
		else if (data instanceof List) setXml(rx, (List)data, voNode, resultKey);
		else if (data instanceof Map) setXml(rx, (Map)data, voNode, resultKey);
		else if (data != null) rx.add(voNode, resultKey, data.toString());
	}

	private void setXml(RwXml rx, Map mapData, int voNode, String resultKey) {
		Set keySet = mapData.keySet();
		Iterator keyItr = keySet.iterator();
		Object key = null;
		int rowNode = rx.add(voNode, resultKey, "");
		while (keyItr.hasNext()) {
			key = keyItr.next();
			Object keyData = mapData.get(key);
			if (keyData == null) rx.add(rowNode, key.toString(), "");
			else rx.add(rowNode, key.toString(), keyData.toString().replaceAll("&", "&amp;").replaceAll("<", "&lt;").replaceAll(">", "&gt;"));
		}
	}

	private void setXml(RwXml rx, PosRowSet rowSet, int voNode, String resultKey) {
		rowSet.reset();
		while (rowSet.hasNext()) {
			setXml(rx, rowSet.next().getAttributes(), voNode, resultKey);
		}
	}

	private void setXml(RwXml rx, List listSet, int voNode, String resultKey) {
		int listSize = listSet.size();
		for (int i = 0; i < listSize; i++) {
			setXml(rx, listSet.get(i), voNode, resultKey);
		}
	}
}