package eu.eudat.model.builder.referencetypedefinition;

import eu.eudat.authorization.AuthorizationFlags;
import eu.eudat.commons.types.referencetype.ReferenceTypeUrlConfigurationEntity;
import eu.eudat.convention.ConventionService;
import eu.eudat.model.builder.BaseBuilder;
import eu.eudat.model.referencetypedefinition.ReferenceTypeUrlConfiguration;
import gr.cite.tools.data.builder.BuilderFactory;
import gr.cite.tools.exception.MyApplicationException;
import gr.cite.tools.fieldset.FieldSet;
import gr.cite.tools.logging.DataLogEntry;
import gr.cite.tools.logging.LoggerService;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import java.util.*;

@Component
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
public class ReferenceTypeUrlConfigurationBuilder extends BaseBuilder<ReferenceTypeUrlConfiguration, ReferenceTypeUrlConfigurationEntity> {

    private final BuilderFactory builderFactory;
    private EnumSet<AuthorizationFlags> authorize = EnumSet.of(AuthorizationFlags.None);

    @Autowired
    public ReferenceTypeUrlConfigurationBuilder(
            ConventionService conventionService, BuilderFactory builderFactory) {
        super(conventionService, new LoggerService(LoggerFactory.getLogger(ReferenceTypeUrlConfigurationBuilder.class)));
        this.builderFactory = builderFactory;
    }

    public ReferenceTypeUrlConfigurationBuilder authorize(EnumSet<AuthorizationFlags> values) {
        this.authorize = values;
        return this;
    }

    @Override
    public List<ReferenceTypeUrlConfiguration> build(FieldSet fields, List<ReferenceTypeUrlConfigurationEntity> data) throws MyApplicationException {
        this.logger.debug("building for {} items requesting {} fields", Optional.ofNullable(data).map(List::size).orElse(0), Optional.ofNullable(fields).map(FieldSet::getFields).map(Set::size).orElse(0));
        this.logger.trace(new DataLogEntry("requested fields", fields));
        if (fields == null || data == null || fields.isEmpty())
            return new ArrayList<>();

        FieldSet dataFields = fields.extractPrefixed(this.asPrefix(ReferenceTypeUrlConfiguration._data));
        FieldSet authFields = fields.extractPrefixed(this.asPrefix(ReferenceTypeUrlConfiguration._auth));
        FieldSet queriesFields = fields.extractPrefixed(this.asPrefix(ReferenceTypeUrlConfiguration._queries));

        List<ReferenceTypeUrlConfiguration> models = new ArrayList<>();
        for (ReferenceTypeUrlConfigurationEntity d : data) {
            ReferenceTypeUrlConfiguration m = new ReferenceTypeUrlConfiguration();
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._key))) m.setKey(d.getKey());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._label))) m.setLabel(d.getLabel());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._ordinal))) m.setOrdinal(d.getOrdinal());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._url))) m.setUrl(d.getUrl());
            if (!dataFields.isEmpty() && d.getData() != null) {
                m.setData(this.builderFactory.builder(DataUrlConfigurationBuilder.class).authorize(this.authorize).build(dataFields, d.getData()));
            }
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._type))) m.setType(d.getType());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._paginationPath))) m.setPaginationPath(d.getPaginationPath());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._contentType))) m.setContentType(d.getContentType());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._funderQuery))) m.setFunderQuery(d.getFunderQuery());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._firstPage))) m.setFirstPage(d.getFirstpage());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._requestType))) m.setRequestType(d.getRequestType());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._requestBody))) m.setRequestBody(d.getRequestBody());
            if (fields.hasField(this.asIndexer(ReferenceTypeUrlConfiguration._filterType))) m.setFilterType(d.getFilterType());
            if (!authFields.isEmpty() && d.getAuth() != null) {
                m.setAuth(this.builderFactory.builder(AuthenticationConfigurationBuilder.class).authorize(this.authorize).build(authFields, d.getAuth()));
            }
            if (!queriesFields.isEmpty() && d.getQueries() != null) {
                m.setQueries(this.builderFactory.builder(QueryConfigBuilder.class).authorize(this.authorize).build(queriesFields, d.getQueries()));
            }

            models.add(m);
        }
        this.logger.debug("build {} items", Optional.of(models).map(List::size).orElse(0));
        return models;
    }
}