/**
 * 
 */
package com.armedia.acm.frevvo.config;

/*-
 * #%L
 * ACM Service: Form Configuration
 * %%
 * Copyright (C) 2014 - 2018 ArkCase LLC
 * %%
 * This file is part of the ArkCase software. 
 * 
 * If the software was purchased under a paid ArkCase license, the terms of 
 * the paid license agreement will prevail.  Otherwise, the software is 
 * provided under the following open source license terms:
 * 
 * ArkCase is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *  
 * ArkCase 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with ArkCase. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

import com.armedia.acm.form.config.Item;
import com.armedia.acm.form.config.xml.ApproverItem;
import com.armedia.acm.form.config.xml.OwningGroupItem;
import com.armedia.acm.form.config.xml.ParticipantItem;
import com.armedia.acm.frevvo.model.FrevvoFormConstants;
import com.armedia.acm.services.participants.dao.AcmParticipantDao;
import com.armedia.acm.services.participants.model.AcmParticipant;
import com.armedia.acm.services.participants.model.ParticipantTypes;
import com.armedia.acm.services.users.dao.UserDao;
import com.armedia.acm.services.users.model.AcmUser;

import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * @author riste.tutureski
 *
 */
public class FrevvoFormFactory
{

    private Logger LOG = LogManager.getLogger(getClass());

    private UserDao userDao;
    private AcmParticipantDao acmParticipantDao;

    public AcmUser getUser(String userId)
    {
        AcmUser user = null;

        try
        {
            user = getUserDao().findByUserId(userId);
        }
        catch (Exception e)
        {
            LOG.error("Could not retrive user.", e);
        }

        return user;
    }

    public List<AcmParticipant> asAcmParticipants(List<ApproverItem> items)
    {
        List<AcmParticipant> participants = new ArrayList<>();

        if (items != null)
        {
            LOG.debug("# of incoming approvers: " + items.size());

            for (Item item : items)
            {
                AcmParticipant participant = null;

                if (item.getId() != null)
                {
                    participant = getAcmParticipantDao().find(item.getId());
                }

                if (participant == null)
                {
                    participant = new AcmParticipant();
                }

                participant.setId(item.getId());
                participant.setParticipantLdapId(item.getValue());
                participant.setParticipantType(ParticipantTypes.APPROVER);
                participants.add(participant);
            }
        }

        return participants;
    }

    public List<ApproverItem> asFrevvoApprovers(List<AcmParticipant> participants)
    {
        List<ApproverItem> items = new ArrayList<>();

        if (participants != null)
        {
            LOG.debug("# of incoming participants: " + participants.size());

            for (AcmParticipant participant : participants)
            {
                ApproverItem item = new ApproverItem();

                item.setId(participant.getId());
                item.setValue(participant.getParticipantLdapId());

                AcmUser user = getUser(participant.getParticipantLdapId());

                if (user != null)
                {
                    item.setApproverName(user.getFullName());
                }

                items.add(item);
            }
        }

        return items;
    }

    public List<AcmParticipant> asAcmParticipants(List<ParticipantItem> items, OwningGroupItem groupItem, String formName)
    {
        List<AcmParticipant> participants = new ArrayList<>();
        if (items != null)
        {
            for (ParticipantItem item : items)
            {
                AcmParticipant participant = new AcmParticipant();

                participant.setId(item.getId());
                participant.setObjectType(formName.toUpperCase());
                participant.setParticipantLdapId(item.getValue());
                participant.setParticipantType(item.getType());

                participants.add(participant);
            }
        }

        // THIS PART OF CODE WILL BE REMOVED ONCE WE IMPLEMENT GROUP PICKER ON FREVVO SIDE
        if (groupItem != null)
        {
            AcmParticipant participant = new AcmParticipant();

            participant.setId(groupItem.getId());
            participant.setObjectType(formName.toUpperCase());
            participant.setParticipantLdapId(groupItem.getValue());
            participant.setParticipantType(groupItem.getType());

            participants.add(participant);
        }

        return participants;
    }

    public List<ParticipantItem> asFrevvoParticipants(List<AcmParticipant> participants)
    {
        if (participants != null)
        {
            List<ParticipantItem> items = new ArrayList<>();

            for (AcmParticipant participant : participants)
            {
                if (!FrevvoFormConstants.DEFAULT_USER.equals(participant.getParticipantType()) &&
                        !FrevvoFormConstants.OWNING_GROUP.equals(participant.getParticipantType()))
                {
                    ParticipantItem item = new ParticipantItem();

                    item.setId(participant.getId());
                    item.setType(participant.getParticipantType());
                    item.setValue(participant.getParticipantLdapId());

                    AcmUser user = getUser(participant.getParticipantLdapId());

                    if (user != null)
                    {
                        item.setName(user.getFullName());
                    }

                    items.add(item);
                }
            }

            return items;
        }

        return null;
    }

    /**
     * THIS METHOD WILL BE REMOVED ONCE WE IMPLEMENT GROUP PICKER ON FREVVO SIDE
     * 
     * @param participant
     * @return
     */
    public OwningGroupItem asFrevvoGroupParticipant(List<AcmParticipant> participants)
    {
        if (participants != null)
        {
            for (AcmParticipant participant : participants)
            {
                if (!FrevvoFormConstants.DEFAULT_USER.equals(participant.getParticipantType()) &&
                        FrevvoFormConstants.OWNING_GROUP.equals(participant.getParticipantType()))
                {
                    OwningGroupItem item = new OwningGroupItem();

                    item.setId(participant.getId());
                    item.setType(participant.getParticipantType());
                    item.setValue(participant.getParticipantLdapId());

                    return item;
                }
            }
        }

        return null;
    }

    public AcmParticipant getDefautParticipant(List<AcmParticipant> participants)
    {
        if (participants != null)
        {
            for (AcmParticipant participant : participants)
            {
                if (FrevvoFormConstants.DEFAULT_USER.equals(participant.getParticipantType()))
                {
                    return participant;
                }
            }
        }

        return null;
    }

    public AcmParticipant getOwningGroupParticipant(List<AcmParticipant> participants)
    {
        if (participants != null)
        {
            for (AcmParticipant participant : participants)
            {
                if (FrevvoFormConstants.OWNING_GROUP.equals(participant.getParticipantType()))
                {
                    return participant;
                }
            }
        }

        return null;
    }

    public List<AcmParticipant> getParticipants(List<AcmParticipant> participants, List<ParticipantItem> items, OwningGroupItem groupItem,
            String formName)
    {
        // Get Default participant if exist
        AcmParticipant defaultParticipant = null;
        if (participants != null)
        {
            defaultParticipant = getDefautParticipant(participants);
        }

        // Get Owning group participant if exist
        AcmParticipant owningGroupParticipant = null;
        if (participants != null)
        {
            owningGroupParticipant = getOwningGroupParticipant(participants);
        }

        // Create participants
        List<AcmParticipant> retval = asAcmParticipants(items, groupItem, formName);

        if (defaultParticipant != null)
        {
            retval.addAll(Arrays.asList(defaultParticipant));
        }

        // This is for the forms that don't have functionality for picking group. In that case add the existing one (if
        // exist)
        if (groupItem == null && owningGroupParticipant != null)
        {
            retval.addAll(Arrays.asList(owningGroupParticipant));
        }

        return retval;
    }

    public UserDao getUserDao()
    {
        return userDao;
    }

    public void setUserDao(UserDao userDao)
    {
        this.userDao = userDao;
    }

    public AcmParticipantDao getAcmParticipantDao()
    {
        return acmParticipantDao;
    }

    public void setAcmParticipantDao(AcmParticipantDao acmParticipantDao)
    {
        this.acmParticipantDao = acmParticipantDao;
    }
}