package eu.dnetlib.dhp.schema.oaf;

import java.io.Serializable;
import java.util.*;
import java.util.stream.Collectors;

public abstract class OafEntity extends Oaf implements Serializable {

    private String id;

    private List<String> originalId;

    private List<KeyValue> collectedfrom;

    private List<StructuredProperty> pid;

    private String dateofcollection;

    private String dateoftransformation;

    private List<ExtraInfo> extraInfo;

    private OAIProvenance oaiprovenance;

    public String getId() {
        return id;
    }

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

    public List<String> getOriginalId() {
        return originalId;
    }

    public void setOriginalId(List<String> originalId) {
        this.originalId = originalId;
    }

    public List<KeyValue> getCollectedfrom() {
        return collectedfrom;
    }

    public void setCollectedfrom(List<KeyValue> collectedfrom) {
        this.collectedfrom = collectedfrom;
    }

    public List<StructuredProperty> getPid() {
        return pid;
    }

    public void setPid(List<StructuredProperty> pid) {
        this.pid = pid;
    }

    public String getDateofcollection() {
        return dateofcollection;
    }

    public void setDateofcollection(String dateofcollection) {
        this.dateofcollection = dateofcollection;
    }

    public String getDateoftransformation() {
        return dateoftransformation;
    }

    public void setDateoftransformation(String dateoftransformation) {
        this.dateoftransformation = dateoftransformation;
    }

    public List<ExtraInfo> getExtraInfo() {
        return extraInfo;
    }

    public void setExtraInfo(List<ExtraInfo> extraInfo) {
        this.extraInfo = extraInfo;
    }

    public OAIProvenance getOaiprovenance() {
        return oaiprovenance;
    }

    public void setOaiprovenance(OAIProvenance oaiprovenance) {
        this.oaiprovenance = oaiprovenance;
    }


    public void mergeFrom(OafEntity e) {

        if (e == null)
            return;

        originalId = mergeLists(originalId, e.getOriginalId());

        collectedfrom = mergeLists(collectedfrom, e.getCollectedfrom());

        pid = mergeLists(pid, e.getPid());

        if (e.getDateofcollection() != null && compareTrust(this, e) < 0)
            dateofcollection = e.getDateofcollection();

        if (e.getDateoftransformation() != null && compareTrust(this, e) < 0)
            dateoftransformation = e.getDateoftransformation();

        extraInfo = mergeLists(extraInfo, e.getExtraInfo());

        if (e.getOaiprovenance() != null && compareTrust(this, e) < 0)
            oaiprovenance = e.getOaiprovenance();

    }

    protected <T> List<T> mergeLists(final List<T>... lists) {

        return Arrays.stream(lists).filter(Objects::nonNull).flatMap(List::stream).distinct().collect(Collectors.toList());
    }


}