package eu.eudat.model.builder.filetransformer;

import eu.eudat.authorization.AuthorizationFlags;
import eu.eudat.commons.JsonHandlingService;
import eu.eudat.commons.XmlHandlingService;
import eu.eudat.convention.ConventionService;
import eu.eudat.data.DescriptionTemplateEntity;
import eu.eudat.file.transformer.models.descriptiontemplate.DescriptionTemplateFileTransformerModel;
import eu.eudat.query.DescriptionTemplateQuery;
import gr.cite.tools.data.builder.BuilderFactory;
import gr.cite.tools.data.query.QueryFactory;
import gr.cite.tools.exception.MyApplicationException;
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.ArrayList;
import java.util.EnumSet;
import java.util.List;
import java.util.Optional;

@Component
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
public class DescriptionTemplateFileTransformerBuilder extends BaseFileTransformerBuilder<DescriptionTemplateFileTransformerModel, DescriptionTemplateEntity> {

    private final QueryFactory queryFactory;

    private final BuilderFactory builderFactory;
    private final JsonHandlingService jsonHandlingService;

    private final XmlHandlingService xmlHandlingService;
    private EnumSet<AuthorizationFlags> authorize = EnumSet.of(AuthorizationFlags.None);

    @Autowired
    public DescriptionTemplateFileTransformerBuilder(
		    ConventionService conventionService,
		    QueryFactory queryFactory,
		    BuilderFactory builderFactory, JsonHandlingService jsonHandlingService, XmlHandlingService xmlHandlingService) {
        super(conventionService, new LoggerService(LoggerFactory.getLogger(DescriptionTemplateFileTransformerBuilder.class)));
        this.queryFactory = queryFactory;
        this.builderFactory = builderFactory;
        this.jsonHandlingService = jsonHandlingService;
	    this.xmlHandlingService = xmlHandlingService;
    }

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

    @Override
    protected List<FileTransformerBuilderItemResponse<DescriptionTemplateFileTransformerModel, DescriptionTemplateEntity>> buildInternal(List<DescriptionTemplateEntity> data) throws MyApplicationException {
        this.logger.debug("building for {}", Optional.ofNullable(data).map(List::size).orElse(0));
        if (data == null || data.isEmpty()) return new ArrayList<>();

        data = queryFactory.query(DescriptionTemplateQuery.class).ids(data.stream().map(DescriptionTemplateEntity::getId).toList()).collect();
        List<FileTransformerBuilderItemResponse<DescriptionTemplateFileTransformerModel, DescriptionTemplateEntity>> models = new ArrayList<>();
        for (DescriptionTemplateEntity d : data) {

            DescriptionTemplateFileTransformerModel m = new DescriptionTemplateFileTransformerModel();
            m.setId(d.getId());
            m.setLabel(d.getLabel());
            m.setDescription(d.getDescription());
            m.setLanguage(d.getLanguage());
            m.setVersion(d.getVersion());
            m.setDefinition(this.builderFactory.builder(DescriptionTemplateDefinitionFileTransformerBuilder.class).authorize(authorize).build(collectDescriptionTemplates(d)));

            models.add(new FileTransformerBuilderItemResponse<>(m, d));
        }

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

        return models;
    }

    private eu.eudat.commons.types.descriptiontemplate.DefinitionEntity collectDescriptionTemplates(DescriptionTemplateEntity data) throws MyApplicationException {
        return this.xmlHandlingService.fromXmlSafe(eu.eudat.commons.types.descriptiontemplate.DefinitionEntity.class, data.getDefinition());
    }

}