package org.gcube.dataharvest;

import java.time.LocalDate;
import java.time.ZoneId;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import java.util.stream.Stream;

import org.gcube.accounting.accounting.summary.access.AccountingDao;
import org.gcube.accounting.accounting.summary.access.model.ScopeDescriptor;
import org.gcube.accounting.accounting.summary.access.model.internal.Dimension;
import org.gcube.accounting.accounting.summary.access.model.update.AccountingRecord;
import org.gcube.common.authorization.client.exceptions.ObjectNotFound;
import org.gcube.common.scope.impl.ScopeBean;
import org.gcube.dataharvest.harvester.RStudioAccessesHarvester;
import org.gcube.dataharvest.utils.AggregationType;
import org.gcube.dataharvest.utils.ContextAuthorization;
import org.gcube.dataharvest.utils.ContextTest;
import org.gcube.dataharvest.utils.DateUtils;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 * @author Giancarlo Panichi (ISTI CNR)
 *
 */
public class AccountingDataHarvesterRStudioTest extends ContextTest {

	private static Logger logger = LoggerFactory.getLogger(AccountingDataHarvesterRStudioTest.class);
	public static final String ROOT = "/d4science.research-infrastructures.eu";
	// private static final String SCOPE = "/d4science.research-infrastructures.eu/D4OS/Blue-CloudLab";
	
	protected AccountingDao getAccountingDao() throws ObjectNotFound, Exception {
		AccountingDao dao = AccountingDao.get();

		Set<ScopeDescriptor> scopeDescriptorSet = dao.getContexts();
		Map<String, ScopeDescriptor> scopeDescriptorMap = new HashMap<>();
		for (ScopeDescriptor scopeDescriptor : scopeDescriptorSet) {
			scopeDescriptorMap.put(scopeDescriptor.getId(), scopeDescriptor);
		}
		AccountingDashboardHarvesterPlugin.scopeDescriptors.set(scopeDescriptorMap);

		Set<Dimension> dimensionSet = dao.getDimensions();
		Map<String, Dimension> dimensionMap = new HashMap<>();
		for (Dimension dimension : dimensionSet) {
			dimensionMap.put(dimension.getId(), dimension);
		}

		AccountingDashboardHarvesterPlugin.dimensions.set(dimensionMap);

		return dao;
	}
	
	@Ignore
	@Test
	public void testJupyterAccessesHarvester() throws Exception {
		try {

			ContextTest.setContextByName(ROOT);
			AccountingDao dao = getAccountingDao();

			List<Date> starts = new ArrayList<>();
			
			LocalDate sdate = LocalDate.parse("2016-01-01"), edate = LocalDate.parse("2021-06-01");

			Stream.iterate(sdate, date -> date.plusMonths(1)).limit(ChronoUnit.MONTHS.between(sdate, edate) + 1)
					.forEach(dateToConvert -> starts.add(java.util.Date
							.from(dateToConvert.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant())));
			
			AggregationType measureType = AggregationType.MONTHLY;

			ContextAuthorization contextAuthorization = new ContextAuthorization();
			
			SortedSet<String> contexts = contextAuthorization.getContexts();
			/*
			SortedSet<String> contexts = new TreeSet<>();
			contexts.add("/d4science.research-infrastructures.eu/D4OS/Blue-CloudLab");
			contexts.add("/d4science.research-infrastructures.eu/D4OS/Zoo-Phytoplankton_EOV");
			contexts.add("/d4science.research-infrastructures.eu/D4OS/MarineEnvironmentalIndicators");
			*/
			
			List<AccountingRecord> accountingRecords = new ArrayList<>();

			Set<ScopeDescriptor> scopeDescriptorSet = dao.getContexts();
			Map<String, ScopeDescriptor> scopeDescriptorMap = new HashMap<>();
			for (ScopeDescriptor scopeDescriptor : scopeDescriptorSet) {
				scopeDescriptorMap.put(scopeDescriptor.getId(), scopeDescriptor);
			}
			AccountingDashboardHarvesterPlugin.scopeDescriptors.set(scopeDescriptorMap);
			
			
			for (Date start : starts) {
				Date end = DateUtils.getEndDateFromStartDate(measureType, start, 1);

				ContextTest.setContextByName(ROOT);
				RStudioAccessesHarvester rstudioAccessesHarvester = new RStudioAccessesHarvester(start, end);

				for(String context : contexts) {
					ContextTest.setContext(contextAuthorization.getTokenForContext(context));
	
					ScopeBean scopeBean = new ScopeBean(context);

					ScopeDescriptor actualScopeDescriptor = scopeDescriptorMap.get(context);
					if (actualScopeDescriptor == null) {
						actualScopeDescriptor = new ScopeDescriptor(scopeBean.name(), context);
					}
					
					AccountingDashboardHarvesterPlugin.scopeDescriptor.set(actualScopeDescriptor);
					
					List<AccountingRecord> harvested = rstudioAccessesHarvester.getAccountingRecords();
					accountingRecords.addAll(harvested);
				}

			}

			// logger.debug("{}", accountingRecords);

			logger.debug("Going to insert {}", accountingRecords);
			
			ContextTest.setContextByName(ROOT);
			dao.insertRecords(accountingRecords.toArray(new AccountingRecord[1]));

		} catch (Throwable e) {
			logger.error(e.getLocalizedMessage(), e);
			throw e;
		}
	}

	
}