package eu.eudat.models.dmp;

import eu.eudat.entities.*;
import eu.eudat.models.DataModel;
import eu.eudat.models.project.Project;
import eu.eudat.models.userinfo.UserInfo;
import eu.eudat.utilities.builders.DomainModelConverter;
import eu.eudat.utilities.builders.XmlBuilder;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import java.text.ParseException;
import java.util.*;
import java.util.stream.Collectors;

public class DataManagementPlan implements DataModel<DMP> {
    private UUID id;
    private String label;
    private UUID groupId;
    private int version;
    private int status;
    private String description;
    private List<AssociatedProfile> profiles;
    private eu.eudat.models.project.Project project;
    private List<Organisation> organisations;
    private List<Researcher> researchers;
    private List<UserInfo> associatedUsers;
    private eu.eudat.models.userinfo.UserInfo creator;
    private Date created;

    public UUID getId() {
        return id;
    }

    public void setId(UUID id) {
        this.id = id;
    }

    public String getLabel() {
        return label;
    }

    public void setLabel(String label) {
        this.label = label;
    }

    public UUID getGroupId() {
        return groupId;
    }

    public void setGroupId(UUID groupId) {
        this.groupId = groupId;
    }

    public List<UserInfo> getAssociatedUsers() {
        return associatedUsers;
    }

    public void setAssociatedUsers(List<UserInfo> associatedUsers) {
        this.associatedUsers = associatedUsers;
    }

    public int getVersion() {
        return version;
    }

    public void setVersion(int version) {
        this.version = version;
    }

    public List<Organisation> getOrganisations() {
        return organisations;
    }

    public void setOrganisations(List<Organisation> organizations) {
        this.organisations = organizations;
    }

    public List<Researcher> getResearchers() {
        return researchers;
    }

    public void setResearchers(List<Researcher> researchers) {
        this.researchers = researchers;
    }

    public int getStatus() {
        return status;
    }

    public void setStatus(int status) {
        this.status = status;
    }

    public Project getProject() {
        return project;
    }

    public void setProject(Project project) {
        this.project = project;
    }

    public eu.eudat.models.userinfo.UserInfo getCreator() {
        return creator;
    }

    public void setCreator(eu.eudat.models.userinfo.UserInfo creator) {
        this.creator = creator;
    }

    public List<AssociatedProfile> getProfiles() {
        return profiles;
    }

    public void setProfiles(List<AssociatedProfile> profiles) {
        this.profiles = profiles;
    }

    public Date getCreated() {
        return created;
    }

    public void setCreated(Date created) {
        this.created = created;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    @Override
    public void fromDataModel(DMP entity) throws InstantiationException, IllegalAccessException {
        this.id = entity.getId();
        this.organisations = new DomainModelConverter<eu.eudat.entities.Organisation, Organisation>().fromDataModel(entity.getOrganisations().stream().collect(Collectors.toList()), Organisation.class);
        this.researchers = new DomainModelConverter<eu.eudat.entities.Researcher, Researcher>().fromDataModel(entity.getResearchers().stream().collect(Collectors.toList()), Researcher.class);
        this.version = entity.getVersion();
        this.groupId = this.groupId == null ? null : this.groupId;
        this.label = entity.getLabel();
        this.project = new Project();
        this.project.fromDataModel(entity.getProject());
        this.creator = new eu.eudat.models.userinfo.UserInfo();
        this.groupId = entity.getGroupId();
        if (entity.getCreator() != null) this.creator.fromDataModel(entity.getCreator());

        if (entity.getAssociatedDmps() != null && !entity.getAssociatedDmps().isEmpty()) {
            Document viewStyleDoc = XmlBuilder.fromXml(entity.getAssociatedDmps());
            Element item = (Element) viewStyleDoc.getElementsByTagName("profiles").item(0);
            this.profiles = new LinkedList<>();
            if (item != null) {
                NodeList associatedProfilesElement = item.getChildNodes();
                for (int temp = 0; temp < associatedProfilesElement.getLength(); temp++) {
                    Node associatedProfileElement = associatedProfilesElement.item(temp);
                    if (associatedProfileElement.getNodeType() == Node.ELEMENT_NODE) {
                        this.profiles.add(new AssociatedProfile().fromXml((Element) associatedProfileElement));
                    }
                }
            }
        }
        this.created = entity.getCreated();
        this.description = entity.getDescription();
        this.associatedUsers = new DomainModelConverter<eu.eudat.entities.UserInfo, UserInfo>().fromDataModel(entity.getUsers().stream().collect(Collectors.toList()), UserInfo.class);
    }

    @Override
    public DMP toDataModel() throws Exception {
        DMP dataManagementPlanEntity = new DMP();
        dataManagementPlanEntity.setId(this.id);
        if (this.organisations != null && !this.organisations.isEmpty())
            dataManagementPlanEntity.setOrganisations(new HashSet<eu.eudat.entities.Organisation>(new DomainModelConverter<eu.eudat.entities.Organisation, Organisation>().toDataModel(this.organisations)));
        if (this.researchers != null && !this.researchers.isEmpty())
            dataManagementPlanEntity.setResearchers(new HashSet<eu.eudat.entities.Researcher>(new DomainModelConverter<eu.eudat.entities.Researcher, Researcher>().toDataModel(this.researchers)));
        dataManagementPlanEntity.setVersion(this.version);

        dataManagementPlanEntity.setLabel(this.label);
        if (this.project != null) dataManagementPlanEntity.setProject(this.project.toDataModel());
        dataManagementPlanEntity.setStatus((short) this.status);
        dataManagementPlanEntity.setDescription(this.description);
        if (this.profiles != null) {
            Document associatedProfileDoc = XmlBuilder.getDocument();
            Element associatedProfilesElement = associatedProfileDoc.createElement("profiles");
            for (AssociatedProfile associatedProfile : this.profiles) {
                associatedProfilesElement.appendChild(associatedProfile.toXml(associatedProfileDoc));
            }
            associatedProfileDoc.appendChild(associatedProfilesElement);
            dataManagementPlanEntity.setAssociatedDmps(XmlBuilder.generateXml(associatedProfileDoc));
        }
        dataManagementPlanEntity.setGroupId(this.groupId != null ? this.groupId : UUID.randomUUID());
        dataManagementPlanEntity.setCreated(this.created != null ? this.created : new Date());
        dataManagementPlanEntity.setUsers(new HashSet<>(new DomainModelConverter<eu.eudat.entities.UserInfo,UserInfo>().toDataModel(this.associatedUsers)));
        return dataManagementPlanEntity;
    }

    @Override
    public String getHint() {
        return null;
    }
}