/*
 * ============LICENSE_START==========================================
 * ONAP Portal SDK
 * ===================================================================
 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 *
 * Unless otherwise specified, all software contained herein is licensed
 * under the Apache License, Version 2.0 (the "License");
 * you may not use this software except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Unless otherwise specified, all documentation contained herein is licensed
 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
 * you may not use this documentation except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             https://creativecommons.org/licenses/by/4.0/
 *
 * Unless required by applicable law or agreed to in writing, documentation
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ============LICENSE_END============================================
 *
 * 
 */
package org.onap.portalsdk.analytics.system.fusion.web;

import java.util.HashMap;
import java.util.TreeMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

import org.onap.portalsdk.analytics.model.ReportHandler;
import org.onap.portalsdk.analytics.model.ReportLoader;
import org.onap.portalsdk.analytics.model.base.ReportWrapper;
import org.onap.portalsdk.analytics.model.runtime.DashboardRunJSON;
import org.onap.portalsdk.analytics.system.Globals;
import org.onap.portalsdk.analytics.xmlobj.CustomReportType;
import org.onap.portalsdk.core.controller.RestrictedBaseController;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

/**
 * For dashboard reports.
 */
@RestController
@RequestMapping("/")
public class RaptorDashboardController extends RestrictedBaseController {

	private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(RaptorDashboardController.class);

	@GetMapping(value = { "raptor/dashboard/run/{parameter}" }, produces = "application/json")
	@ResponseBody
	public DashboardRunJSON dashboardRun(@PathVariable("parameter") String reportId, HttpServletRequest request) {
		ServletContext servletContext = request.getSession().getServletContext();
		if (!Globals.isSystemInitialized()) {
			Globals.initializeSystem(servletContext);
		}
		DashboardRunJSON dashboardRunJSON = new DashboardRunJSON();
		dashboardRunJSON.setReportId(reportId);
		try {
			ReportHandler rh1 = new ReportHandler();
			if (reportId != null) {
				String reportXML = ReportLoader.loadCustomReportXML(reportId);
				CustomReportType crType = ReportWrapper.unmarshalCR(reportXML);
				dashboardRunJSON.setDashboardLayoutJSON(crType.getDashboardLayoutJSON());
				
				String strHTML = crType.getDashboardLayoutHTML();
				dashboardRunJSON.setReportsFromDashBoardHTML(getListOfReportsFromDashBoardHTML(strHTML));
				
				reportXML = ReportLoader.loadCustomReportXML(((String)dashboardRunJSON.getReportsFromDashBoardHTML().get("1")).substring(1));
				crType = ReportWrapper.unmarshalCR(reportXML);
				dashboardRunJSON.setFormFieldList(crType.getFormFieldList());
				dashboardRunJSON.setFormFieldGroupsJSON(crType.getFormFieldGroupsJSON());
			}
		} catch (Exception ex) {
			logger.error(EELFLoggerDelegate.errorLogger, "getManifest failed", ex);
			dashboardRunJSON.setErrorMessage(ex.toString());
		}
		return dashboardRunJSON;
	}
	
	private TreeMap getListOfReportsFromDashBoardHTML(String htmlString) {
		String sourcestring = htmlString;
		Pattern re = Pattern.compile("\\[(.*?)\\]");
		Matcher m = re.matcher(sourcestring);
		HashMap hashReports = new HashMap();
		int mIdx = 0;
		while (m.find()) {
			for (int groupIdx = 0; groupIdx < m.groupCount(); groupIdx++) {
				String str = m.group(groupIdx);
				hashReports.put(new String(Integer.toString(mIdx + 1)),
						(str.substring(1).toLowerCase().startsWith("chart") ? "c" : "d")
								+ str.substring(str.indexOf("#") + 1, str.length() - 1));
			}
			mIdx++;
		}
		return new TreeMap(hashReports);
	}
}