package com.valiantys.jira.plugins.createissueandlink.service;



import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;



import org.apache.log4j.Logger;

import org.jfree.util.Log;



import com.atlassian.event.EventManager;

import com.atlassian.event.api.EventPublisher;

import com.atlassian.jira.bc.issue.IssueService;

import com.atlassian.jira.event.issue.IssueEvent;

import com.atlassian.jira.event.type.EventType;

import com.atlassian.jira.issue.Issue;

import com.atlassian.jira.issue.IssueManager;

import com.atlassian.jira.issue.comments.Comment;

import com.atlassian.jira.issue.index.IndexException;

import com.atlassian.jira.issue.index.IssueIndexManager;

import com.atlassian.jira.issue.link.IssueLink;

import com.atlassian.jira.issue.link.IssueLinkManager;

import com.atlassian.jira.issue.link.IssueLinkType;

import com.atlassian.jira.issue.link.IssueLinkTypeManager;

import com.valiantys.jira.plugins.createissueandlink.LinkNewIssueOperationException;

import com.valiantys.jira.plugins.createissueandlink.business.SynchronizationConfigBean;

import com.valiantys.jira.plugins.createissueandlink.listener.SynchronizeIssuesListener;

import com.valiantys.jira.plugins.createissueandlink.manager.LnioConfigurationManager;

import com.valiantys.jira.plugins.createissueandlink.util.SynchronizationType;



/**

 * Default implementation of the SynchronizeIssuesService

 * 

 * @author Maxime Cojan

 * 

 */

public class SynchronizeIssuesServiceDefaultImpl implements SynchronizeIssuesService {



    /**

     * class Logger.

     */

    private static final Logger LOG = Logger.getLogger(SynchronizeIssuesListener.class);



    /**

     * Manager of the configuration mapping and syncrho.

     */

    private final LnioConfigurationManager lnioConfigManager;



    /**

     * Manager of the Link type.

     */

    private final IssueLinkTypeManager issueLinkTypeManager;



    /**

     * Manager of the issue Link.

     */

    private final IssueLinkManager issueLinkManager;



    /**

     * Manager of issues.

     */

    private final IssueManager issueManager;



    /**

     * Service for fields synchronization.

     */

    private final FieldsMappingService fieldsMappingService;



    /**

     * Service for comments synchronization.

     */

    private final CommentService commentService;



    /**

     * Manger of the index

     */

    private final IssueIndexManager indexManager;



    private final EventPublisher eventPublisher;



    /**

     * KEY ORIGIN for the map of available synchronization

     */

    private static final String ORIGIN_ID = "ORIGIN_ID";



    /**

     * KEY DESTINATION for the map of available synchronization

     */

    private static final String DEST_ID = "DEST_ID";



    /**

     * KEY Mapping for the map of available synchronization

     */

    private static final String MAPPING_ID = "MAPPING_ID";



    /**

     * constructor

     * 

     * @param lnioConfigManager

     * @param issueLinkTypeManager

     * @param issueLinkManager

     * @param fieldsMappingService

     * @param issueManager

     * @param indexManager

     * @param commentService

     */

    public SynchronizeIssuesServiceDefaultImpl(final LnioConfigurationManager lnioConfigManager, final IssueLinkTypeManager issueLinkTypeManager, final IssueLinkManager issueLinkManager,

	    final FieldsMappingService fieldsMappingService, final IssueManager issueManager, final IssueIndexManager indexManager, final CommentService commentService,

	    final EventPublisher eventPublisher) {

	this.lnioConfigManager = lnioConfigManager;

	this.issueLinkTypeManager = issueLinkTypeManager;

	this.issueLinkManager = issueLinkManager;

	this.fieldsMappingService = fieldsMappingService;

	this.issueManager = issueManager;

	this.indexManager = indexManager;

	this.commentService = commentService;

	this.eventPublisher = eventPublisher;

    }



    /**

     * {@inheritDoc}

     */

    public void launchASynchronizationOnThisIssue(Issue origin, SynchronizationType synchronizationType, List<Map<String, Object>> listOfSynchro, IssueEvent event) {

	launchASynchronizationOnThisIssue(origin, synchronizationType, listOfSynchro, null, event);

    }



    /**

     * {@inheritDoc}

     */

    public void launchASynchronizationOnThisIssue(Issue origin, SynchronizationType synchronizationType, List<Map<String, Object>> listOfSynchro, Comment aComment, IssueEvent event) {



	LOG.debug("ORIGIN ISSUE KEY : " + origin.getKey());

	boolean hasbeenUpdated = false;

	for (Map<String, Object> map : listOfSynchro) {

	    LOG.debug("The synchro is launch");

	    Issue destination = issueManager.getIssueObject((Long) map.get(DEST_ID));

	    Issue originMapping = issueManager.getIssueObject((Long) map.get(ORIGIN_ID));

	    LOG.debug("MAPPING DESTINATION ISSUE KEY : " + destination.getKey());

	    LOG.debug("MAPPING ORIGIN ISSUE KEY : " + originMapping.getKey());

	    LOG.debug("MAPPING ID : " + map.get(MAPPING_ID));



	    hasbeenUpdated = false;



	    switch (synchronizationType) {

	    case COMMENTS:

		LOG.debug("COMMENT : " + aComment);

		LOG.debug("ORIGIN : " + origin.getKey() + " - DESTINATION : " + destination.getKey());



		if (origin.getKey().equals(destination.getKey())) {

		    // case reverse.

		    commentService.addCommentSynchronization((Long) map.get(ORIGIN_ID), aComment);

		} else {

		    commentService.addCommentSynchronization((Long) map.get(DEST_ID), aComment);

		}

		break;



	    case FIELDS:

		if (origin.getKey().equals(destination.getKey())) {

		    hasbeenUpdated = fieldsMappingService.doSynchronization((String) map.get(MAPPING_ID), (Long) map.get(ORIGIN_ID), (Long) map.get(DEST_ID), true);

		} else {

		    hasbeenUpdated = fieldsMappingService.doSynchronization((String) map.get(MAPPING_ID), (Long) map.get(DEST_ID), (Long) map.get(ORIGIN_ID), false);

		}



		try {



		    if (hasbeenUpdated) {

			indexManager.reIndex(destination);

			indexManager.reIndex(origin);

		    }

		    LOG.debug("Destination issue : " + destination.getKey() + " is reindexed...");

		} catch (IndexException e) {

		    // TODO Auto-generated catch block

		    e.printStackTrace();

		}



		break;

	    }



	}

    }



    /**

     * {@inheritDoc}

     */

    public List<Map<String, Object>> getConfiguredSynchronizationsByParentIssue(Issue origin) throws LinkNewIssueOperationException {

	List<Map<String, Object>> synchronizationToDo = null;



	// Get origin project id

	Long projetId = origin.getProjectObject().getId();

	LOG.debug("projetId : " + projetId);



	if (lnioConfigManager.isProjectSynchronizable(projetId)) {

	    // Get all outwardslinks

	    List<IssueLink> issueLinks = issueLinkManager.getOutwardLinks(origin.getId());

	    for (IssueLink issueLink : issueLinks) {

		Long issueIdDestination = issueLink.getDestinationId();

		LOG.debug("issueIdDestination : " + issueIdDestination);

		LOG.debug("issueLink Type Id : " + issueLink.getIssueLinkType().getId());

		SynchronizationConfigBean configSynchro = lnioConfigManager.getSynchronizationConfig(projetId, issueLink.getIssueLinkType().getId());

		if (configSynchro != null) {

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

		    aSynchro.put(ORIGIN_ID, origin.getId());

		    aSynchro.put(DEST_ID, issueIdDestination);

		    aSynchro.put(MAPPING_ID, configSynchro.getFieldsMappingId());



		    if (synchronizationToDo == null) {

			synchronizationToDo = new ArrayList<Map<String, Object>>();

		    }

		    synchronizationToDo.add(aSynchro);

		}



	    }



	}

	return synchronizationToDo;



    }



    /**

     * {@inheritDoc}

     */

    public List<Map<String, Object>> getConfiguredSynchronizationsByChildIssue(Issue destination) throws LinkNewIssueOperationException {

	List<Map<String, Object>> synchronizationToDo = null;



	LOG.debug("destination Id : " + destination.getId());



	// Get all inwardslinks

	List<IssueLink> issueLinks = issueLinkManager.getInwardLinks(destination.getId());

	for (IssueLink issueLink : issueLinks) {

	    Long issueIdOrigin = issueLink.getSourceId();

	    Long linkTypeId = issueLink.getLinkTypeId();



	    LOG.debug("issueId Origin : " + issueIdOrigin);



	    Issue origin = issueManager.getIssueObject(issueIdOrigin);

	    // Get origin project id

	    Long projetId = origin.getProjectObject().getId();

	    LOG.debug("projetId : " + projetId);



	    if (lnioConfigManager.isProjectSynchronizable(projetId)) {

		LOG.debug("Synchro for project : " + lnioConfigManager.isProjectSynchronizable(projetId));

		SynchronizationConfigBean configSynchro = lnioConfigManager.getSynchronizationConfig(projetId, linkTypeId);

		if (configSynchro != null) {

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

		    aSynchro.put(ORIGIN_ID, origin.getId());

		    aSynchro.put(DEST_ID, destination.getId());

		    aSynchro.put(MAPPING_ID, configSynchro.getFieldsMappingId());

		    if (synchronizationToDo == null) {

			synchronizationToDo = new ArrayList<Map<String, Object>>();

		    }

		    synchronizationToDo.add(aSynchro);

		}



	    }

	}



	return synchronizationToDo;



    }



    /**

     * {@inheritDoc}

     */

    public List<Map<String, Object>> getAllSynchronizationsToDoByIssue(Issue issue) throws LinkNewIssueOperationException {

	List<Map<String, Object>> synchronizationToDo = null;



	List<Map<String, Object>> outwardLinks = getConfiguredSynchronizationsByParentIssue(issue);

	List<Map<String, Object>> inwardLinks = getConfiguredSynchronizationsByChildIssue(issue);



	if (outwardLinks != null && outwardLinks.size() > 0) {

	    synchronizationToDo = outwardLinks;

	}



	if (inwardLinks != null && inwardLinks.size() > 0) {

	    if (synchronizationToDo != null && synchronizationToDo.size() > 0) {

		synchronizationToDo.addAll(inwardLinks);

	    } else {

		synchronizationToDo = inwardLinks;

	    }

	}

	return synchronizationToDo;

    }



}