package org.gcube.dataharvest;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;

import org.gcube.common.scope.impl.ScopeBean;
import org.gcube.common.scope.impl.ScopeBean.Type;
import org.gcube.dataharvest.datamodel.HarvestedData;
import org.gcube.dataharvest.harvester.MethodInvocationHarvester;
import org.gcube.dataharvest.harvester.VREAccessesHarvester;
import org.gcube.dataharvest.harvester.sobigdata.DataMethodDownloadHarvester;
import org.gcube.dataharvest.harvester.sobigdata.ResourceCatalogueHarvester;
import org.gcube.dataharvest.harvester.sobigdata.TagMeMethodInvocationHarvester;
import org.gcube.dataharvest.utils.ContextAuthorization;
import org.gcube.dataharvest.utils.ContextTest;
import org.gcube.dataharvest.utils.DateUtils;
import org.gcube.dataharvest.utils.MeasureType;
import org.gcube.dataharvest.utils.Utils;
import org.gcube.resourcemanagement.support.server.managers.context.ContextManager;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class AccountingDataHarvesterPluginTest extends ContextTest {

	private static Logger logger = LoggerFactory.getLogger(AccountingDataHarvesterPluginTest.class);

	public static final String SO_BIG_DATA_CONTEXT = "/d4science.research-infrastructures.eu/SoBigData";
	
	public static SortedSet<String> getContexts() throws Exception{
		SortedSet<String> contexts = new TreeSet<>();
		LinkedHashMap<String,ScopeBean> map = ContextManager.readContexts();
		for(String scope : map.keySet()) {
			try {
				String context = map.get(scope).toString();
				contexts.add(context);
			}catch (Exception e) {
				throw e;
			}
		}
		return contexts;
	}
	
	
	@Test
	public void launch() {
		try {

			org.gcube.dataharvest.utils.Utils.setContext(ROOT);

			DataHarvestPluginDeclaration dataHarvestPluginDeclaration = new DataHarvestPluginDeclaration();
			AccountingDataHarvesterPlugin accountingDataHarvesterPlugin = new AccountingDataHarvesterPlugin(
					dataHarvestPluginDeclaration);

			Map<String,Object> inputs = new HashMap<>();

			MeasureType measureType = MeasureType.MONTHLY;

			inputs.put(AccountingDataHarvesterPlugin.MEASURE_TYPE_INPUT_PARAMETER, measureType.name());
			inputs.put(AccountingDataHarvesterPlugin.GET_VRE_USERS_INPUT_PARAMETER, false);
			inputs.put(AccountingDataHarvesterPlugin.RERUN_INPUT_PARAMETER, true);
			inputs.put(AccountingDataHarvesterPlugin.DRY_RUN_INPUT_PARAMETER, true);

			/*
			Calendar from = DateUtils.getStartCalendar(2018, Calendar.FEBRUARY, 1);
			String fromDate = DateUtils.LAUNCH_DATE_FORMAT.format(from.getTime());
			logger.trace("{} is {}", AccountingDataHarvesterPlugin.START_DATE_INPUT_PARAMETER, fromDate);
			inputs.put(AccountingDataHarvesterPlugin.START_DATE_INPUT_PARAMETER, fromDate);
			*/
			
			accountingDataHarvesterPlugin.launch(inputs);

			logger.info("End.");

		} catch(Exception e) {
			logger.error("", e);
		}
	}
	
	@Test
	public void testScopeBean() throws Exception {
		SortedSet<String> contexts = getContexts();
		for(String context : contexts) {
			ScopeBean scopeBean = new ScopeBean(context);
			logger.debug("Name {}, FullName {}", scopeBean.name(), scopeBean.toString());
		}
		
	}
	
	@Test
	public void testVREAccessesHarvester() {
		try {

			org.gcube.dataharvest.utils.Utils.setContext(ROOT);

			MeasureType measureType = MeasureType.MONTHLY;

			// Date start = DateUtils.getStartCalendar(2015, Calendar.FEBRUARY, 1).getTime();
			// Date end = DateUtils.getStartCalendar(2019, Calendar.FEBRUARY, 1).getTime();
			
			Date start = DateUtils.getPreviousPeriod(measureType).getTime();
			Date end = DateUtils.getEndDateFromStartDate(measureType, start, 1);

			AccountingDataHarvesterPlugin accountingDataHarvesterPlugin = new AccountingDataHarvesterPlugin(null);
			accountingDataHarvesterPlugin.getConfigParameters();

			ContextAuthorization contextAuthorization = new ContextAuthorization();
			SortedSet<String> contexts = contextAuthorization.getContexts();
			
			VREAccessesHarvester vreAccessesHarvester = null;
			
			ArrayList<HarvestedData> data = new ArrayList<HarvestedData>();
			
			for(String context : contexts) {
				// Setting the token for the context
				Utils.setContext(contextAuthorization.getTokenForContext(context));
				
				ScopeBean scopeBean = new ScopeBean(context);
				
				if(vreAccessesHarvester == null) {
					
					if(scopeBean.is(Type.INFRASTRUCTURE)) {
						vreAccessesHarvester = new VREAccessesHarvester(start, end);
					}else {
						// This code should be never used because the scopes are sorted by fullname
						
						ScopeBean parent = scopeBean.enclosingScope();
						while(!parent.is(Type.INFRASTRUCTURE)) {
							parent = scopeBean.enclosingScope();
						}
						
						// Setting back token for the context
						Utils.setContext(contextAuthorization.getTokenForContext(parent.toString()));
						
						vreAccessesHarvester = new VREAccessesHarvester(start, end);
						
						// Setting back token for the context
						Utils.setContext(contextAuthorization.getTokenForContext(context));
					}
					
				}
				
				try {
					// Collecting Google Analytics Data for VREs Accesses
					List<HarvestedData> harvested = vreAccessesHarvester.getData();
					data.addAll(harvested);
				} catch(Exception e) {
					logger.error("Error harvesting Social Interactions for {}", context, e);
				}
			}
			
			logger.debug("{}", data);
			
		} catch(Exception e) {
			logger.error("", e);
		}
	}
	
	
	@Test
	public void testMethodInvocation() {
		try {

			org.gcube.dataharvest.utils.Utils.setContext(StockAssessment);

			MeasureType measureType = MeasureType.MONTHLY;

			Date start = DateUtils.getPreviousPeriod(measureType).getTime();
			Date end = DateUtils.getEndDateFromStartDate(measureType, start, 1);

			MethodInvocationHarvester methodInvocationHarvester = new MethodInvocationHarvester(start, end);
			List<HarvestedData> harvestedData = methodInvocationHarvester.getData();

			logger.debug("{}", harvestedData);

		} catch(Exception e) {
			logger.error("", e);
		}
	}

	@Test
	public void testTagMeMethodInvocation() {
		try {

			org.gcube.dataharvest.utils.Utils.setContext(TAGME);

			MeasureType measureType = MeasureType.MONTHLY;

			Date start = DateUtils.getPreviousPeriod(measureType).getTime();
			Date end = DateUtils.getEndDateFromStartDate(measureType, start, 1);

			TagMeMethodInvocationHarvester methodInvocationHarvester = new TagMeMethodInvocationHarvester(start, end);
			List<HarvestedData> harvestedData = methodInvocationHarvester.getData();

			logger.debug("{}", harvestedData);

		} catch(Exception e) {
			logger.error("", e);
		}
	}


	@Test
	public void testFilteringGenericResource() {
		try {
			org.gcube.dataharvest.utils.Utils.setContext(RESOURCE_CATALOGUE);

			MeasureType measureType = MeasureType.MONTHLY;

			Date start = DateUtils.getPreviousPeriod(measureType).getTime();
			Date end = DateUtils.getEndDateFromStartDate(measureType, start, 1);

			SortedSet<String> contexts = getContexts();

			AccountingDataHarvesterPlugin accountingDataHarvesterPlugin = new AccountingDataHarvesterPlugin(null);
			accountingDataHarvesterPlugin.getConfigParameters();

			ResourceCatalogueHarvester resourceCatalogueHarvester = new ResourceCatalogueHarvester(start, end, contexts);
			SortedSet<String> validContexts = resourceCatalogueHarvester.getValidContexts(contexts, SO_BIG_DATA_CONTEXT + "/");
			logger.info("Valid Contexts {}", validContexts);

		} catch(Exception e) {
			logger.error("", e);
		}

	}

	@Test
	public void testResourceCatalogueHarvester() {
		try {

			org.gcube.dataharvest.utils.Utils.setContext(RESOURCE_CATALOGUE);
			
			MeasureType measureType = MeasureType.MONTHLY;

			// Date start = DateUtils.getStartCalendar(2015, Calendar.FEBRUARY, 1).getTime();
			// Date end = DateUtils.getStartCalendar(2019, Calendar.FEBRUARY, 1).getTime();
			
			Date start = DateUtils.getPreviousPeriod(measureType).getTime();
			Date end = DateUtils.getEndDateFromStartDate(measureType, start, 1);

			AccountingDataHarvesterPlugin accountingDataHarvesterPlugin = new AccountingDataHarvesterPlugin(null);
			accountingDataHarvesterPlugin.getConfigParameters();

			SortedSet<String> contexts = getContexts();
			
			ResourceCatalogueHarvester resourceCatalogueHarvester = new ResourceCatalogueHarvester(start, end, contexts);
			List<HarvestedData> data = resourceCatalogueHarvester.getData();

			logger.debug("{}", data);

		} catch(Exception e) {
			logger.error("", e);
		}
	}


	@Test
	public void testDataMethodDownloadHarvester() {
		try {

			org.gcube.dataharvest.utils.Utils.setContext(RESOURCE_CATALOGUE);

			MeasureType measureType = MeasureType.MONTHLY;

			// Date start = DateUtils.getStartCalendar(2015, Calendar.FEBRUARY, 1).getTime();
			// Date end = DateUtils.getStartCalendar(2019, Calendar.FEBRUARY, 1).getTime();
			
			Date start = DateUtils.getPreviousPeriod(measureType).getTime();
			Date end = DateUtils.getEndDateFromStartDate(measureType, start, 1);

			AccountingDataHarvesterPlugin accountingDataHarvesterPlugin = new AccountingDataHarvesterPlugin(null);
			accountingDataHarvesterPlugin.getConfigParameters();

			SortedSet<String> contexts = getContexts();
			
			DataMethodDownloadHarvester resourceCatalogueHarvester = new DataMethodDownloadHarvester(start, end, contexts);
			List<HarvestedData> data = resourceCatalogueHarvester.getData();

			logger.debug("{}", data);
			
		} catch(Exception e) {
			logger.error("", e);
		}
	}
	
	
	
	
}