package org.gcube.application.cms.usecases;

import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.bson.Document;
import org.gcube.application.cms.custom.gna.concessioni.model.ProfiledConcessione;
import org.gcube.application.cms.tests.TokenSetter;
import org.gcube.application.geoportal.client.utils.Serialization;
import org.gcube.application.geoportal.common.model.configuration.Configuration;
import org.gcube.application.geoportal.common.model.document.Project;
import org.gcube.application.geoportal.common.model.document.access.Access;
import org.gcube.application.geoportal.common.model.document.access.AccessPolicy;
import org.gcube.application.geoportal.common.model.legacy.*;
import org.gcube.application.geoportal.common.model.rest.StepExecutionRequest;
import org.gcube.application.geoportal.common.model.rest.TempFile;
import org.gcube.application.geoportal.common.model.useCaseDescriptor.Field;
import org.gcube.application.geoportal.common.rest.Projects;
import org.gcube.application.geoportal.common.utils.FileSets;
import org.gcube.application.geoportal.common.utils.Files;

import java.io.File;
import java.nio.charset.Charset;
import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import java.util.stream.Collectors;

import static org.gcube.application.geoportal.client.plugins.GeoportalAbstractPlugin.projects;

@Slf4j
public class ExportConcessioniAsProjects {



    @SneakyThrows
    private static final Concessione read(File jsonFile) {
        log.info("Reading "+jsonFile.getAbsolutePath());
        String json= Files.readFileAsString(jsonFile.getAbsolutePath(), Charset.defaultCharset());
        return Serialization.read(json,Concessione.class);
    }


    public static void main(String[] args) throws InterruptedException, RemoteException {
        // read from imported folder
        File dir= new File("/Users/fabioisti/git/gcube-cms-suite/import1652276569045");
       // File dir = new File("/Users/fabioisti/Documents/Work/GNA DATA/Bug_23378");
        String targetContext="/gcube/devsec/devVRE";


        Projects<Project> client=projects("profiledConcessioni").build();;




        ArrayList<Concessione> found=new ArrayList<>();
        for(File elementFolder:dir.listFiles()){
            if(elementFolder.isFile()&&elementFolder.getName().endsWith(".json"))
                found.add(read(elementFolder));
            else
                for(File jsonFile:elementFolder.listFiles((dir1, name) -> {return name.endsWith(".json");}))
                    found.add(read(jsonFile));
        }

        System.out.println("Loaded "+found.size()+" elements from "+dir.getAbsolutePath());

        TokenSetter.set(targetContext);

       // StorageUtils storage = new StorageUtils();

        AtomicLong count = new AtomicLong(0);
        AtomicLong warnCount = new AtomicLong(0);
        AtomicLong errCount = new AtomicLong(0);

        ExecutorService service = Executors.newFixedThreadPool(3);

        long startProcess = System.currentTimeMillis();

        // TODO Relazioni

        found.forEach(c -> {
            service.submit(new Runnable(){
                @Override
                public void run() {
                    publish(c,client,errCount,count);
                }
            } );
        });

        while (!service.awaitTermination(1, TimeUnit.MINUTES)) {
            log.info("Waiting .. completed {}, out of {} ",count.get(),found.size());
            if(found.size()==count.get()) service.shutdown();
        }

        System.out.println("Completed "+count.get()+" [elapsedTime = "+(System.currentTimeMillis()-startProcess)/1000+" sec] [warn : "+warnCount.get()+", err : "+errCount.get()+"]");

        Configuration conf = client.getConfiguration();
        conf.getArchives().stream().forEach(archive -> {
            if (archive.getType().equals("DOCUMENT-STORE-COLLECTION")){
                archive.forEach((s, o) ->{

                        System.out.println(s+"\t:\t"+o);
                });
            }
        });

    }


    private static void publish(Concessione c, Projects<Project> client, AtomicLong errCount,AtomicLong count){
        try {
            long startTime = System.currentTimeMillis();
            FileSets.RequestBuilder req=null;

            log.info("Using {} {}",c.getNome(),c.getMongo_id());

            //Copy core fields

            Document doc=new Document();
            doc.put(ProfiledConcessione.NOME,c.getNome());
            doc.put(ProfiledConcessione.INTRODUZIONE,c.getIntroduzione());
            doc.put(ProfiledConcessione.DESCRIZIONE_CONTENUTO,c.getDescrizioneContenuto());
            doc.put(ProfiledConcessione.AUTHORS,c.getAuthors());
            doc.put(ProfiledConcessione.CONTRIBUTORE,c.getContributore());
            doc.put(ProfiledConcessione.TITOLARI,c.getTitolari());
            doc.put(ProfiledConcessione.RESPONSABILE,c.getResponsabile());
            doc.put(ProfiledConcessione.EDITORS,c.getEditore());
            doc.put(ProfiledConcessione.FONTI_FINANZIAMENTO,c.getFontiFinanziamento());
            doc.put(ProfiledConcessione.SOGGETTO,c.getSoggetto());
            doc.put(ProfiledConcessione.RISORSE_CORRELATE,c.getRisorseCorrelate());
            doc.put(ProfiledConcessione.DATA_INZIO_PROGETTO,c.getDataInizioProgetto());
            doc.put(ProfiledConcessione.DATA_FINE_PROGETTO,c.getDataFineProgetto());
            doc.put(ProfiledConcessione.TITOLARE_LICENZA,c.getTitolareLicenza());
            doc.put(ProfiledConcessione.TITOLARE_COPYRIGHT,c.getTitolareCopyright());
            doc.put(ProfiledConcessione.PAROLE_CHIAVE_LIBERE,c.getParoleChiaveLibere());
            doc.put(ProfiledConcessione.PAREOLE_CHIAVE_ICCD,c.getParoleChiaveICCD());

            // CREATE Project
            Project project = client.createNew(doc);

            // set Access
            Access toSetAccess = new Access();
            toSetAccess.setPolicy(AccessPolicy.valueOf(c.getPolicy().toString()));
            toSetAccess.setLicense(c.getLicenzaID());
            project = client.setAccessPolicy(project.getId(),toSetAccess);


            // Relazione
            if(c.getRelazioneScavo()!=null) {
                RelazioneScavo rel=c.getRelazioneScavo();
                Document relDoc= new Document();
                relDoc.put(ProfiledConcessione.Sections.TITOLO,rel.getTitolo());
                relDoc.put(ProfiledConcessione.Relazione.RESPONSABILI,rel.getResponsabili());
                relDoc.put(ProfiledConcessione.SOGGETTO,rel.getSoggetto());

                Document updated =project.getTheDocument();
                updated.put(ProfiledConcessione.RELAZIONE_SCAVO,relDoc);
                project = client.updateDocument(project.getId(),updated);

                List<PersistedContent> content=rel.getActualContent();
                if(content!=null && !content.isEmpty()) {
                    req = FileSets.build("$." + ProfiledConcessione.RELAZIONE_SCAVO, "fileset",
                            "$." + ProfiledConcessione.RELAZIONE_SCAVO + "." + Field.CHILDREN
                                    + "[?(@.fileset)]");
                    req.addAll(convertFiles(content));
                    req.setAccess(getAccess(rel));
                    project = client.registerFileSet(project.getId(),req.getTheRequest());
                }
                // upload fileset
            }


            if(c.getAbstractRelazione()!=null) {
                AbstractRelazione abs=c.getAbstractRelazione();
                Document absDoc= new Document();
                absDoc.put(ProfiledConcessione.Sections.TITOLO,abs.getTitolo());
                absDoc.put(ProfiledConcessione.AbstractRelazione.ABSTRACT_ENG,abs.getAbstractEng());
                absDoc.put(ProfiledConcessione.AbstractRelazione.ABSTRACT_ITA,abs.getAbstractIta());


                Document updated =project.getTheDocument();
                updated.put(ProfiledConcessione.ABSTRACT_RELAZIONE,absDoc);
                project = client.updateDocument(project.getId(),updated);

                //TODO ask Fra about mapping
                // list persited content -> absIta, absEng

//                    List<PersistedContent> content=abs.getActualContent();
//                    if(content!=null && !content.isEmpty()) {
//                        req = FileSets.build("$." + ProfiledConcessione.RELAZIONE_SCAVO, "fileset",
//                                "$." + ProfiledConcessione.RELAZIONE_SCAVO + "." + Field.CHILDREN
//                                        + "[?(@.fileset)]");
//                        content.forEach(uploader);
//                        project = client.registerFileSet(project.getId(),req.getTheRequest());
//                    }

            }

            //Immagini rappresentative
            if(c.getImmaginiRappresentative()!=null){
                List<Document> imgs=new ArrayList<>();
                for (int i = 0; i < c.getImmaginiRappresentative().size(); i++) {
                    UploadedImage img=c.getImmaginiRappresentative().get(i);
                    Document imgDoc=new Document();
                    imgDoc.put(ProfiledConcessione.Sections.TITOLO,img.getTitolo());
                    imgDoc.put(ProfiledConcessione.Immagini.DIDASCALIA,img.getDidascalia());
                    imgDoc.put(ProfiledConcessione.Relazione.RESPONSABILI,img.getResponsabili());
                    imgDoc.put(ProfiledConcessione.SOGGETTO,img.getSoggetto());
                    imgs.add(imgDoc);
                }

                Document updated =project.getTheDocument();
                updated.put(ProfiledConcessione.IMMAGINI_RAPPRESENTATIVE,imgs);
                project = client.updateDocument(project.getId(),updated);

                // FileSets
                for (int i = 0; i < c.getImmaginiRappresentative().size(); i++) {
                    UploadedImage img=c.getImmaginiRappresentative().get(i);
                    List<PersistedContent> content=img.getActualContent();
                    if(content!=null && !content.isEmpty()) {
                        req = FileSets.build("$." + ProfiledConcessione.IMMAGINI_RAPPRESENTATIVE+"["+i+"]", "fileset",
                                "$." + ProfiledConcessione.IMMAGINI_RAPPRESENTATIVE + "." + Field.CHILDREN
                                        + "[?(@.fileset)]");
                        req.addAll(convertFiles(content));
                        req.setAccess(getAccess(img));
                        project = client.registerFileSet(project.getId(),req.getTheRequest());
                    }
                }
            }

            // POS
            if(c.getPosizionamentoScavo()!=null) {
                LayerConcessione l=c.getPosizionamentoScavo();
                Document lDoc= new Document();
                lDoc.put(ProfiledConcessione.Sections.TITOLO,l.getTitolo());
                lDoc.put(ProfiledConcessione.RESPONSABILE,l.getResponsabile());
                lDoc.put(ProfiledConcessione.AUTHORS,l.getAuthors());
                lDoc.put(ProfiledConcessione.PAREOLE_CHIAVE_ICCD,l.getParoleChiaveICCD());
                lDoc.put(ProfiledConcessione.PAROLE_CHIAVE_LIBERE,l.getParoleChiaveLibere());
                lDoc.put(ProfiledConcessione.Layers.TOPIC,l.getTopicCategory());
                lDoc.put(ProfiledConcessione.Layers.SUB_TOPIC,l.getSubTopic());
                lDoc.put(ProfiledConcessione.Layers.METODO_RACCOLTA,l.getMetodoRaccoltaDati());
                lDoc.put(ProfiledConcessione.Layers.SCALA_ACQUISIZIONE,l.getScalaAcquisizione());
                lDoc.put(ProfiledConcessione.Layers.VALUTAZIONE_QUALITA,l.getValutazioneQualita());
                lDoc.put(ProfiledConcessione.Sections.ABSTRACT,l.getAbstractSection());

                Document updated =project.getTheDocument();
                updated.put(ProfiledConcessione.POSIZIONAMENTO_SCAVO,lDoc);
                project = client.updateDocument(project.getId(),updated);

                List<PersistedContent> content=l.getActualContent();
                if(content!=null && !content.isEmpty()) {
                    req = FileSets.build("$." + ProfiledConcessione.POSIZIONAMENTO_SCAVO, "fileset",
                            "$." + ProfiledConcessione.POSIZIONAMENTO_SCAVO + "." + Field.CHILDREN
                                    + "[?(@.fileset)]");
                    req.addAll(convertFiles(content));
                    req.setAccess(getAccess(l));
                    project = client.registerFileSet(project.getId(),req.getTheRequest());
                }
                // upload fileset
            }

            // Piante
            if(c.getPianteFineScavo()!=null){
                List<Document> piante=new ArrayList<>();
                for (int i = 0; i < c.getPianteFineScavo().size(); i++) {
                    LayerConcessione l=c.getPianteFineScavo().get(i);
                    Document lDoc= new Document();
                    lDoc.put(ProfiledConcessione.Sections.TITOLO,l.getTitolo());
                    lDoc.put(ProfiledConcessione.RESPONSABILE,l.getResponsabile());
                    lDoc.put(ProfiledConcessione.AUTHORS,l.getAuthors());
                    lDoc.put(ProfiledConcessione.PAREOLE_CHIAVE_ICCD,l.getParoleChiaveICCD());
                    lDoc.put(ProfiledConcessione.PAROLE_CHIAVE_LIBERE,l.getParoleChiaveLibere());
                    lDoc.put(ProfiledConcessione.Layers.TOPIC,l.getTopicCategory());
                    lDoc.put(ProfiledConcessione.Layers.SUB_TOPIC,l.getSubTopic());
                    lDoc.put(ProfiledConcessione.Layers.METODO_RACCOLTA,l.getMetodoRaccoltaDati());
                    lDoc.put(ProfiledConcessione.Layers.SCALA_ACQUISIZIONE,l.getScalaAcquisizione());
                    lDoc.put(ProfiledConcessione.Layers.VALUTAZIONE_QUALITA,l.getValutazioneQualita());
                    lDoc.put(ProfiledConcessione.Sections.ABSTRACT,l.getAbstractSection());
                    piante.add(lDoc);
                }

                Document updated =project.getTheDocument();
                updated.put(ProfiledConcessione.PIANTE_FINE_SCAVO,piante);
                project = client.updateDocument(project.getId(),updated);

                // FileSets
                for (int i = 0; i < c.getPianteFineScavo().size(); i++) {
                    LayerConcessione layerConcessione=c.getPianteFineScavo().get(i);
                    List<PersistedContent> content=layerConcessione.getActualContent();
                    if(content!=null && !content.isEmpty()) {
                        req = FileSets.build("$." + ProfiledConcessione.PIANTE_FINE_SCAVO+"["+i+"]", "fileset",
                                "$." + ProfiledConcessione.PIANTE_FINE_SCAVO + "." + Field.CHILDREN
                                        + "[?(@.fileset)]");
                        req.addAll(convertFiles(content));
                        req.setAccess(getAccess(layerConcessione));
                        project = client.registerFileSet(project.getId(),req.getTheRequest());
                    }
                }
            }

            // Submit for review
            project = client.performStep(project.getId(),step());

            System.out.println("Done "+c.getId()+" in "+(System.currentTimeMillis()-startTime)/1000+" sec");
        } catch (Throwable throwable) {
            System.err.println(throwable);
            errCount.incrementAndGet();
        } finally {
            count.incrementAndGet();
        }
    }


    private static final List<TempFile> convertFiles(List<PersistedContent> content){
        return content.stream().
                filter(p -> p instanceof WorkspaceContent)
                .map(p -> new TempFile(null, ((WorkspaceContent) p).getLink(), ((WorkspaceContent) p).getName()))
                .collect(Collectors.toList());
    }

    private static final Access getAccess(AssociatedContent content){
        Access toReturn = new Access();
        toReturn.setLicense(content.getLicenseID());
        toReturn.setPolicy(AccessPolicy.valueOf(content.getPolicy().toString()));
        return toReturn;
    }

    private static final StepExecutionRequest step(){
        StepExecutionRequest toReturn = new StepExecutionRequest();
        toReturn.setStepID("SUBMIT-FOR-REVIEW");
        return toReturn;
    }

}