/**********************************************************************
* This file is part of iDempiere ERP Open Source                      *
* http://www.idempiere.org                                            *
*                                                                     *
* Copyright (C) Contributors                                          *
*                                                                     *
* This program is free software; you can redistribute it and/or       *
* modify it under the terms of the GNU General Public License         *
* as published by the Free Software Foundation; either version 2      *
* of the License, or (at your option) any later version.              *
*                                                                     *
* This program is distributed in the hope that it will be useful,     *
* but WITHOUT ANY WARRANTY; without even the implied warranty of      *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the        *
* GNU General Public License for more details.                        *
*                                                                     *
* You should have received a copy of the GNU General Public License   *
* along with this program; if not, write to the Free Software         *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,          *
* MA 02110-1301, USA.                                                 *
*                                                                     *
* Contributors:                                                       *
* - Igor Pojzl, Cloudempiere                                          *
* - Peter Takacs, Cloudempiere                                        *
**********************************************************************/
package org.adempiere.webui.apps;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.HashMap;

import org.adempiere.webui.ClientInfo;
import org.adempiere.webui.LayoutUtils;
import org.adempiere.webui.component.Borderlayout;
import org.adempiere.webui.component.Tab;
import org.adempiere.webui.component.Tabbox;
import org.adempiere.webui.component.Tabpanel;
import org.adempiere.webui.component.Tabpanels;
import org.adempiere.webui.component.Tabs;
import org.adempiere.webui.component.Window;
import org.adempiere.webui.event.DialogEvents;
import org.adempiere.webui.event.DrillEvent.DrillData;
import org.adempiere.webui.util.ZKUpdateUtil;
import org.compiere.model.MProcess;
import org.compiere.model.MProcessDrillRule;
import org.compiere.model.MReportView;
import org.compiere.model.MTable;
import org.compiere.model.Query;
import org.compiere.print.DrillReportCtl;
import org.compiere.print.MPrintFormat;
import org.compiere.process.ProcessInfo;
import org.compiere.util.Env;
import org.compiere.util.KeyNamePair;
import org.compiere.util.Msg;
import org.compiere.util.Util;
import org.zkoss.zhtml.A;
import org.zkoss.zhtml.H3;
import org.zkoss.zhtml.H4;
import org.zkoss.zhtml.P;
import org.zkoss.zhtml.Span;
import org.zkoss.zhtml.Table;
import org.zkoss.zhtml.Td;
import org.zkoss.zhtml.Text;
import org.zkoss.zhtml.Tr;
import org.zkoss.zk.ui.HtmlNativeComponent;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Center;
import org.zkoss.zul.Div;

/**
 * Drill assistant dialog
 * @author Igor Pojzl, Cloudempiere
 *
 */
public class WDrillReport extends Window implements EventListener<Event>  {

	/**
	 * generated serial id
	 */
	private static final long serialVersionUID = 5143424676962140799L;

	private static final String DRILL_REPORT_PRINTFORMAT_ID_NAME = "AD_PrintFormat_ID";

	private static final String DRILL_PROCESS_RULE_ID_NAME = "AD_Process_DrillRule_ID";
	
	private static final String DRILL_REPORT_TABLE_NAME = "TableName";

	private DrillReportCtl drillReportCtl;
	/** generated unique window name prefix **/
	private String winpref;

	/** tabpanel for related table drill **/
	private Tabpanel tabPanel;
	/** tab for related table drill **/
	private Tab tableTab;
	/** true if {@link #tabPanel} loaded **/
	private boolean tablesLoaded = false;

	private int windowNo = 0;

	/**
	 *
	 * @param data
	 * @param windowNo
	 */
	public WDrillReport(DrillData data, int windowNo) {
		this(data, windowNo, 0);
	}

	/**
	 *
	 * @param data
	 * @param windowNo
	 * @param processID
	 */
	public WDrillReport(DrillData data, int windowNo, int processID) {
		super();
		this.windowNo = windowNo;
		drillReportCtl = new DrillReportCtl(data.getQuery().getTableName(), data.getQuery(), data.getColumnName(), data.getValue(), data.getDisplayValue(), windowNo, processID);

		this.setTitle(Msg.getMsg(Env.getCtx(), "DrillAssistant"));
		this.setClosable(true);
		ZKUpdateUtil.setWidth(this, "60%");
		ZKUpdateUtil.setHeight(this, "70%");
		this.setAttribute(Window.MODE_KEY, Window.MODE_EMBEDDED);
		this.setSclass("help-window");
		this.setSizable(true);
		this.setMaximizable(true);

		Borderlayout borderlayout = new Borderlayout();
		this.appendChild(borderlayout);
		ZKUpdateUtil.setHflex(borderlayout, "1");
		ZKUpdateUtil.setVflex(borderlayout, "1");

		Center centerPane = new Center();
		centerPane.setAutoscroll(true);
		borderlayout.appendChild(centerPane);

		Div div = new Div();
		centerPane.appendChild(div);
		div.setStyle("width: 100%; height: 100%; overflow: auto;");
		Table table = new Table();
		table.setStyle("width: 100%;");
		div.appendChild(table);

		table.setWidgetAttribute("cellspacing", "0");
		table.setWidgetAttribute("cellpadding", "0");
		table.setWidgetAttribute("border", "0");

		Tr tr = new Tr();
		table.appendChild(tr);

		Td td = new Td();
		tr.appendChild(td);
		td.appendChild(getHeader());

		tr = new Tr();
		table.appendChild(tr);

		td = new Td();
		tr.appendChild(td);
		td.appendChild(getContent());
	}

	/**
	 * Header text
	 * @return {@link Table}
	 */
	private Table getHeader()
	{
		Table table = new Table();
		table.setWidgetAttribute("cellspacing", "0");
		table.setWidgetAttribute("cellpadding", "0");
		table.setWidgetAttribute("border", "0");
		table.setStyle("width: 100%;");
		table.setWidgetAttribute("class","help-window-header");

		Tr tr = new Tr();
		table.appendChild(tr);

		Td td = new Td();
		td.setWidgetAttribute("class","help-window-title");
		tr.appendChild(td);
		// generate a unique win prefix id for this help window
		Calendar cal = Calendar.getInstance();
		SimpleDateFormat sdf = new SimpleDateFormat("ddHHmmss");
		String dt = sdf.format(cal.getTime());
		winpref = "Win"+dt;
		A a = new A();
		a.setWidgetAttribute("name", winpref);
		td.appendChild(a);
		StringBuilder title = new StringBuilder(Msg.getMsg(Env.getCtx(), "DrillColumn")).append(": ").append(drillReportCtl.getTableName())
				.append(" - ").append(!Util.isEmpty(drillReportCtl.getDisplayValue()) ? drillReportCtl.getDisplayValue() : drillReportCtl.getValue());
		H3 h3 = new H3();
		h3.appendChild(new Text(title.toString()));
		td.appendChild(h3);


		tr = new Tr();
		table.appendChild(tr);

		td = new Td();
		tr.appendChild(td);

		tr = new Tr();
		table.appendChild(tr);

		td = new Td();
		tr.setWidgetAttribute("class","help-window-tabs");
		tr.appendChild(td);

		tr = new Tr();
		table.appendChild(tr);

		td = new Td();
		tr.appendChild(td);

		return table;
	}

	/**
	 * Tabbox with Drill Rules and Related Tables tab.
	 * @return {@link Tabbox}
	 */
	private Tabbox getContent()
	{

		Tabbox tabbox = new Tabbox();
		Tabs tabs = new Tabs();
		tabbox.appendChild(tabs);
		Tabpanels tabpanels = new Tabpanels();
		tabbox.appendChild(tabpanels);

		Tab tab = new Tab(Msg.getElement(Env.getCtx(), "AD_Process_DrillRule_ID"));
		tabs.appendChild(tab);
		tab = new Tab(Msg.getElement(Env.getCtx(), "AD_Table_ID"));
		tab.addEventListener(Events.ON_SELECT, this);
		tabs.appendChild(tab);
		tableTab = tab;

		Tabpanel tabPanel = new Tabpanel();
		tabPanel.appendChild(getTabContent(1, drillReportCtl.getDrillProcessList(), drillReportCtl.getDrillProcesRules(), true));
		tabpanels.appendChild(tabPanel);

		tabPanel = new Tabpanel();
		tabpanels.appendChild(tabPanel);
		this.tabPanel = tabPanel;

		if (drillReportCtl.getDrillProcessList().length <= 0) {
			tabbox.setSelectedIndex(1);
			drillReportCtl.initDrillTableMap();
			tabPanel.appendChild(getTabContent(2, drillReportCtl.getDrillTables(), null, false));
			tablesLoaded = true;
		}

		return tabbox;
	}

	/**
	 * Table with links for all process and nested table for print formats for each process.
	 * @param tabIndex
	 * @param drillTables [AD_Process_ID,Process Name]
	 * @param drillPrintFormatMap AD_Process_ID:[AD_Process_DrillRule_ID,Name]
	 * @param isDrillProcessRule true for drill rules, false for related tables
	 * @return {@link Table}
	 */
	private Table getTabContent(int tabIndex, KeyNamePair[] drillTables, HashMap<Integer, KeyNamePair[]> drillPrintFormatMap, boolean isDrillProcessRule)
	{
		Table table = new Table();
		table.setWidgetAttribute("cellspacing", "0");
		table.setWidgetAttribute("cellpadding", "0");
		table.setWidgetAttribute("border", "0");
		table.setStyle("width: 100%;");
		table.setWidgetAttribute("class","help-window-content-r");


		Tr tr = null;
		Td td = null;
		int size = drillTables.length;

		if(size <= 0) {
			tr = new Tr();
			table.appendChild(tr);
			td = new Td();
			tr.appendChild(td);

			String message = isDrillProcessRule ? "NoDrillRuleFound" : "NoTableWithDrillOptions";

			Span span = new Span();
			span.appendChild(new Text(Msg.getMsg(Env.getCtx(), message)));
			td.setStyle("text-align: center;");
			td.appendChild(span);
		}
		else {
			// tab
			tr = new Tr();
			table.appendChild(tr);

			td = new Td();
			tr.appendChild(td);
			A a = new A();
			a.setWidgetAttribute("name",winpref+"Tables");
			td.appendChild(a);
			td.appendChild(getTablesBox(tabIndex, drillTables));
			for (int i = 0; i < size; i++)
			{
				KeyNamePair drillTable = drillTables[i];

				// tab
				tr = new Tr();
				table.appendChild(tr);

				td = new Td();
				tr.appendChild(td);
				td.appendChild(getDrillTableBox(drillTable, i, tabIndex, drillPrintFormatMap, isDrillProcessRule));
			}
		}

		return table;
	}

	/**
	 * Table with process name and print formats
	 * @param drillTable [AD_Process_ID,Process Name]
	 * @param tabIndex
	 * @param groupIndex
	 * @param drillPrintFormatMap AD_Process_ID:[AD_Process_DrillRule_ID,Name]
	 * @param isDrillProcessRule
	 * @return {@link Table}
	 */
	private Table getDrillTableBox(KeyNamePair drillTable, int tabIndex, int groupIndex, HashMap<Integer, KeyNamePair[]> drillPrintFormatMap, boolean isDrillProcessRule)
	{
		Table table = new Table();
		table.setWidgetAttribute("cellspacing", "0");
		table.setWidgetAttribute("cellpadding", "0");
		table.setWidgetAttribute("border", "0");
		table.setStyle("width: 100%; margin-top: 25px;");
		table.setWidgetAttribute("class","drill-window-tab");

		Tr tr = new Tr();
		tr.setWidgetAttribute("class", "help-window-tab-header");
		table.appendChild(tr);

		Td td = new Td();
		td.setWidgetAttribute("class","help-window-tab-name");

		td.setColspan(4);
		tr.appendChild(td);
		A a = new A();
		a.setWidgetAttribute("name",winpref+"Rep" + tabIndex+"-"+groupIndex);
		td.appendChild(a);
		Div header = new Div();
		header.setStyle("padding: 10px 0px 10px 0px");
		HtmlNativeComponent h3 = new HtmlNativeComponent("h3", drillTable.getName(), "");
		header.appendChild(h3);
		td.appendChild(header);

		a = new A();
		a.setWidgetAttribute("title", "Up one level");
		a.setHref("#"+winpref);
		a.appendChild(new Text(".."));
		header.appendChild(a);

		//[AD_Process_DrillRule_ID,Name]
		KeyNamePair[] drillRules = drillPrintFormatMap != null ? drillPrintFormatMap.get(drillTable.getKey()) : new KeyNamePair[]{findTablePrintFormat(drillTable)};
		for (int j = 0; j < drillRules.length; j++)
		{
			//(AD_Process_DrillRule_ID,Name) or (AD_PrintFormat_ID,Name)
			KeyNamePair drillRule = drillRules[j];

			//[AD_PrintFormat_ID,Name]
			KeyNamePair[] printFormats = isDrillProcessRule ? drillReportCtl.getDrillProcessRulesPrintFormatMap(drillRule.getKey()) : new KeyNamePair[] {drillRule} ;

			// create new Print Format
			if ((printFormats.length <= 0) && isDrillProcessRule)
			{
				KeyNamePair[] pfArray = {null};
				MPrintFormat pf = null;
				MProcessDrillRule dr = MProcessDrillRule.get(Env.getCtx(), drillRule.getKey());
				if(dr != null) {
					int AD_ReportView_ID = dr.getAD_ReportView_ID();
					if (AD_ReportView_ID == 0)
						AD_ReportView_ID = MProcess.get(dr.getAD_Process_ID()).getAD_ReportView_ID();
					if (AD_ReportView_ID != 0)
					{
						String name = MReportView.get(AD_ReportView_ID).getName();
						pf = MPrintFormat.createFromReportView(Env.getCtx(), AD_ReportView_ID, name);
					}
					else
					{
						int AD_Table_ID = dr.getAD_Table_ID();
						pf = MPrintFormat.createFromTable(Env.getCtx(), AD_Table_ID);
					}
					if (pf != null)
						pfArray[0] = new KeyNamePair(pf.getAD_PrintFormat_ID(), pf.getName());

					printFormats = pfArray;
				}
				if (printFormats.length <= 0) {
					int AD_Table_ID = new Query(Env.getCtx(), MTable.Table_Name, " Name = ? ", null).setParameters(drillRule.getName()).firstId();
					pf = MPrintFormat.createFromTable(Env.getCtx(), AD_Table_ID);
					pfArray[0] = new KeyNamePair(pf.getAD_PrintFormat_ID(), pf.getName());
					printFormats = pfArray;
				}
			}
			for(KeyNamePair printFormat: printFormats) {
				String hdr = printFormat.getName();
				if (hdr != null && hdr.length() > 0)
				{
					table.appendChild(getPrintFormatBox(printFormat, tabIndex, j, tabIndex, isDrillProcessRule ? drillTable : null, drillRule, printFormats.length == 1));
				}
			}
		}

		return table;
	}

	/**
	 * @param drillTable KeyNamePair(AD_Process_ID,Process Name)
	 * @return KeyNamePair(AD_PrintFormat_ID,Name)
	 */
	private KeyNamePair findTablePrintFormat(KeyNamePair drillTable) {
		
		Integer printFormatID = new Query(Env.getCtx(), MPrintFormat.Table_Name, " AD_Table_ID = ? AND AD_Client_ID IN (0,?) ", null)
				.setOrderBy(" IsDefault DESC, Created DESC ")
				.setParameters(drillTable.getKey(), Env.getAD_Client_ID(Env.getCtx())).firstId();
		return new KeyNamePair((printFormatID != null && printFormatID > 0) ? printFormatID : 0, drillTable.getName());
	}

	/**
	 * Link for process in drillTables
	 * @param tabIndex
	 * @param drillTables [AD_Process_ID,Process Name]
	 * @return {@link Table}
	 */
	private Table getTablesBox(int tabIndex, KeyNamePair[] drillTables)
	{
		Table table = new Table();
		table.setWidgetAttribute("cellspacing", "0");
		table.setWidgetAttribute("cellpadding", "0");
		table.setWidgetAttribute("border", "0");
		table.setStyle("width: 100%;");
		table.setWidgetAttribute("class","help-window-fields");

		Tr tr = new Tr();
		table.appendChild(tr);

		Td td = new Td();
		tr.appendChild(td);

		tr = new Tr();
		tr.setWidgetAttribute("class","help-window-Formats-link");
		table.appendChild(tr);

		td = new Td();
		tr.appendChild(td);
		P p = new P();
		td.appendChild(p);

		for (int j = 0; j < drillTables.length; j++)
		{
			KeyNamePair printFormat = drillTables[j];
			String hdr = printFormat.getName();
			if (hdr != null && hdr.length() > 0)
			{
				if (j > 0)
					p.appendChild(new Text(" "));
				A a = new A();
				a.setHref("#"+winpref+"Rep" + j+"-" + tabIndex);
				a.appendChild(new Text(hdr));
				p.appendChild(a);
				if((j+1) < drillTables.length)
					p.appendChild(new Text(" , "));
			}
		}

		tr = new Tr();
		table.appendChild(tr);

		td = new Td();
		tr.appendChild(td);

		return table;
	}

	/**
	 * Link and description for print format. 
	 * @param drillPrintFormat KeyNamePair(AD_PrintFormat_ID,Name)
	 * @param reportIndex
	 * @param formatIndex
	 * @param groupIndex
	 * @param drillTable KeyNamePair(AD_Process_ID,Name)
	 * @param drillRule KeyNamePair(AD_Process_DrillRule_ID,Name)
	 * @param isSinglePrintFormat
	 * @return {@link Tr}
	 */
	private Tr getPrintFormatBox(KeyNamePair drillPrintFormat, int reportIndex, int formatIndex, int groupIndex, KeyNamePair drillTable, KeyNamePair drillRule, boolean isSinglePrintFormat)
	{

		Tr tr = new Tr();
		tr.setWidgetAttribute("class", "drill-window-field-name");

		Td td = new Td();
		td.setStyle("width: 30%");
		tr.appendChild(td);
		A a = new A();
		a.setWidgetAttribute("name",winpref+"Format" + reportIndex + "-" + formatIndex + "-" + groupIndex);
		td.appendChild(a);
		H4 h4 = new H4();
		h4.appendChild(new Text(drillPrintFormat.getName()));

		td.appendChild(h4);
		a = new A();
		a.setHref("#"+winpref+"Rep"+reportIndex+"-"+groupIndex);
		a.setWidgetAttribute("title", "Up one level");
		a.appendChild(new Text(".."));
		td.appendChild(a);

		td = new Td();
		td.setStyle("width: 10%");
		tr.appendChild(td);

		a = new A();
		a.setWidgetAttribute("title", "Run Report");
		a.setHref("#");
		a.appendChild(new Text("[" + Msg.getMsg(Env.getCtx(), "Run") + "]"));
		a.addEventListener(Events.ON_CLICK, this);
		a.setAttribute(DRILL_REPORT_PRINTFORMAT_ID_NAME, drillPrintFormat.getKey());
		a.setAttribute(DRILL_REPORT_TABLE_NAME, drillPrintFormat.getName());
		if(drillTable != null) {
			a.setAttribute(DRILL_PROCESS_RULE_ID_NAME, drillRule.getKey());
		}
		td.appendChild(a);

		String description = "";

		if(drillTable != null && isSinglePrintFormat) {
			MProcessDrillRule dr = MProcessDrillRule.get(Env.getCtx(), drillRule.getKey());
			if(dr != null) {
				if (!Util.isEmpty(dr.getDescription()))
					description = dr.getDescription();
			}
		}

		if(Util.isEmpty(description)) {
			MPrintFormat pf = MPrintFormat.get(drillPrintFormat.getKey());
			if(pf != null) {
				if (!Util.isEmpty(pf.getDescription()))
					description = pf.getDescription();
			}
		}

		td = new Td();
		td.setStyle("width: 60");
		tr.appendChild(td);
		td.appendChild(new Text(description));

		return tr;
	}

	@Override
	public void onEvent(Event event) throws Exception {
		if(event.getTarget().equals(tableTab) && !tablesLoaded) {
			drillReportCtl.initDrillTableMap();
			tabPanel.appendChild(getTabContent(2, drillReportCtl.getDrillTables(), null, false));
			tablesLoaded = true;
		}
		if(event.getTarget().getAttribute(DRILL_REPORT_PRINTFORMAT_ID_NAME) != null) {
			if(event.getTarget().getAttribute(DRILL_PROCESS_RULE_ID_NAME) != null) {
				Integer processDrillRuleID = (Integer) event.getTarget().getAttribute(DRILL_PROCESS_RULE_ID_NAME);
				MProcessDrillRule drillRule = new MProcessDrillRule(Env.getCtx(), processDrillRuleID, null);
				ProcessInfo pi = drillReportCtl.getDrillProcessProcessInfo(processDrillRuleID, (int) event.getTarget().getAttribute(DRILL_REPORT_PRINTFORMAT_ID_NAME));
				String showHelp = !Util.isEmpty(showHelp = drillRule.getShowHelp()) ? showHelp : MProcess.SHOWHELP_RunSilently_TakeDefaults;
				pi.setShowHelp(showHelp);
				ProcessModalDialog processModalDialog = new ProcessModalDialog(this, windowNo, false, pi);
				ZKUpdateUtil.setWindowWidthX(processModalDialog, 850);
				this.appendChild(processModalDialog);
				if (ClientInfo.isMobile())
				{
					processModalDialog.doHighlighted();
				}
				else
				{
					LayoutUtils.openOverlappedWindow(this, processModalDialog, "middle_center");
				}
				processModalDialog.focus();
			} else {
				drillReportCtl.launchTableDrillReport((int) event.getTarget().getAttribute(DRILL_REPORT_PRINTFORMAT_ID_NAME), (String) event.getTarget().getAttribute(DRILL_REPORT_TABLE_NAME));
				this.onClose();
			}

			return;
		}
		if (DialogEvents.ON_WINDOW_CLOSE.equals(event.getName()))
			this.onClose();
	}

}