package eu.eudat.managers;

import eu.eudat.builders.model.models.ResearcherBuilder;
import eu.eudat.data.entities.Researcher;
import eu.eudat.models.external.ExternalSourcesItemModel;
import eu.eudat.models.external.ResearchersExternalSourcesModel;
import eu.eudat.data.query.items.item.researcher.ResearcherCriteriaRequest;
import eu.eudat.proxy.config.exceptions.HugeResultSet;
import eu.eudat.proxy.config.exceptions.NoURLFound;
import eu.eudat.proxy.fetching.RemoteFetcher;
import eu.eudat.queryable.QueryableList;
import eu.eudat.services.ApiContext;

import java.util.List;
import java.util.Map;

/**
 * Created by ikalyvas on 2/5/2018.
 */
public class ResearcherManager {

    public static Researcher create(ApiContext apiContext, eu.eudat.models.researcher.Researcher researcher) throws Exception {
        Researcher researcherEntity = researcher.toDataModel();
        return apiContext.getOperationsContext().getDatabaseRepository().getResearcherDao().createOrUpdate(researcherEntity);
    }

    public static List<eu.eudat.models.dmp.Researcher> getCriteriaWithExternal(ApiContext apiContext, RemoteFetcher remoteFetcher, ResearcherCriteriaRequest researcherCriteriaRequest) throws HugeResultSet, NoURLFound {

        QueryableList<eu.eudat.data.entities.Researcher> items = apiContext.getOperationsContext().getDatabaseRepository().getResearcherDao().getWithCriteria(researcherCriteriaRequest.getCriteria());
        List<eu.eudat.models.dmp.Researcher> researchers = items.select(item -> new eu.eudat.models.dmp.Researcher().fromDataModel(item));
        List<Map<String, String>> remoteRepos = remoteFetcher.getResearchers(researcherCriteriaRequest.getCriteria().getLike(),null);
        ResearchersExternalSourcesModel researchersExternalSourcesModel = new ResearchersExternalSourcesModel().fromExternalItem(remoteRepos);
        for (ExternalSourcesItemModel externalListingItem : researchersExternalSourcesModel) {
            eu.eudat.models.dmp.Researcher researcher = apiContext.getOperationsContext().getBuilderFactory().getBuilder(ResearcherBuilder.class)
                    .label(externalListingItem.getAbbreviation()).id(externalListingItem.getId())
                    .name(externalListingItem.getName())
                    .build();
            researchers.add(researcher);
        }
        researchers.stream().distinct();
        return researchers;
    }
}