package eu.eudat.model.builder.descriptiontemplatedefinition.fielddata;

import eu.eudat.authorization.AuthorizationFlags;
import eu.eudat.commons.types.descriptiontemplate.fielddata.ExternalSelectDataEntity;
import eu.eudat.convention.ConventionService;
import eu.eudat.model.builder.BaseBuilder;
import eu.eudat.model.descriptiontemplatedefinition.fielddata.ExternalSelectData;
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 ExternalSelectDataBuilder extends BaseFieldDataBuilder<ExternalSelectData, ExternalSelectDataEntity> {
	private final BuilderFactory builderFactory;
	@Autowired
	public ExternalSelectDataBuilder(ConventionService conventionService, BuilderFactory builderFactory) {
		super(conventionService, new LoggerService(LoggerFactory.getLogger(ExternalSelectDataBuilder.class)));
		this.builderFactory = builderFactory;
	}

	@Override
	protected ExternalSelectData getInstance() {
		return new ExternalSelectData();
	}

	@Override
	protected void buildChild(FieldSet fields, ExternalSelectDataEntity d, ExternalSelectData m) {
		FieldSet sourcesFields = fields.extractPrefixed(this.asPrefix(ExternalSelectData._sources));
		if (fields.hasField(this.asIndexer(ExternalSelectData._multipleSelect))) m.setMultipleSelect(d.getMultipleSelect());
		if (!sourcesFields.isEmpty() && d.getSources() != null) m.setSources(this.builderFactory.builder(ExternalSelectSourceBuilder.class).authorize(this.authorize).build(sourcesFields, d.getSources()));

	}

	@Component
	@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
	public static class ExternalSelectSourceBindingBuilder extends BaseBuilder<ExternalSelectData.ExternalSelectSourceBinding, ExternalSelectDataEntity.ExternalSelectSourceBindingEntity> {

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

		@Autowired
		public ExternalSelectSourceBindingBuilder(
				ConventionService conventionService) {
			super(conventionService, new LoggerService(LoggerFactory.getLogger(SelectDataBuilder.SelectOptionBuilder.class)));
		}

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

		@Override
		public List<ExternalSelectData.ExternalSelectSourceBinding> build(FieldSet fields, List<ExternalSelectDataEntity.ExternalSelectSourceBindingEntity> 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<>();

			List<ExternalSelectData.ExternalSelectSourceBinding> models = new ArrayList<>();
			for (ExternalSelectDataEntity.ExternalSelectSourceBindingEntity d : data) {
				ExternalSelectData.ExternalSelectSourceBinding m = new ExternalSelectData.ExternalSelectSourceBinding();
				if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectSourceBinding._label))) m.setLabel(d.getLabel());
				if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectSourceBinding._value))) m.setValue(d.getValue());
				if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectSourceBinding._source))) m.setSource(d.getSource());
				models.add(m);
			}
			this.logger.debug("build {} items", Optional.of(models).map(List::size).orElse(0));
			return models;
		}
	}

	@Component
	@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
	public static class ExternalSelectSourceBuilder extends BaseBuilder<ExternalSelectData.ExternalSelectSource, ExternalSelectDataEntity.ExternalSelectSourceEntity> {
	
	    private EnumSet<AuthorizationFlags> authorize = EnumSet.of(AuthorizationFlags.None);
	    private final BuilderFactory builderFactory;
	
	    @Autowired
	    public ExternalSelectSourceBuilder(
	            ConventionService conventionService, BuilderFactory builderFactory) {
	        super(conventionService, new LoggerService(LoggerFactory.getLogger(ExternalSelectSourceBuilder.class)));
	        this.builderFactory = builderFactory;
	    }
	
	    public ExternalSelectSourceBuilder authorize(EnumSet<AuthorizationFlags> values) {
	        this.authorize = values;
	        return this;
	    }
	
	    @Override
	    public List<ExternalSelectData.ExternalSelectSource> build(FieldSet fields, List<ExternalSelectDataEntity.ExternalSelectSourceEntity> 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 sourceBindingFields = fields.extractPrefixed(this.asPrefix(ExternalSelectData.ExternalSelectSource._sourceBinding));
	        FieldSet authFields = fields.extractPrefixed(this.asPrefix(ExternalSelectData.ExternalSelectSource._auth));
	        List<ExternalSelectData.ExternalSelectSource> models = new ArrayList<>();
	        for (ExternalSelectDataEntity.ExternalSelectSourceEntity d : data) {
	            ExternalSelectData.ExternalSelectSource m = new ExternalSelectData.ExternalSelectSource();
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectSource._url))) m.setUrl(d.getUrl());
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectSource._optionsRoot))) m.setOptionsRoot(d.getOptionsRoot());
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectSource._hasAuth))) m.setHasAuth(d.getHasAuth());
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectSource._method))) m.setMethod(d.getMethod());
	            if (!sourceBindingFields.isEmpty() && d.getSourceBinding() != null) m.setSourceBinding(this.builderFactory.builder(ExternalSelectSourceBindingBuilder.class).authorize(this.authorize).build(sourceBindingFields, d.getSourceBinding()));
	            if (!authFields.isEmpty() && d.getAuth() != null) m.setAuth(this.builderFactory.builder(ExternalSelectAuthDataBuilder.class).authorize(this.authorize).build(authFields, d.getAuth()));
	            models.add(m);
	        }
	        this.logger.debug("build {} items", Optional.of(models).map(List::size).orElse(0));
	        return models;
	    }
	}

	@Component
	@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
	public static class ExternalSelectAuthDataBuilder extends BaseBuilder<ExternalSelectData.ExternalSelectAuthData, ExternalSelectDataEntity.ExternalSelectAuthDataEntity> {
	
	    private EnumSet<AuthorizationFlags> authorize = EnumSet.of(AuthorizationFlags.None);
	
	    @Autowired
	    public ExternalSelectAuthDataBuilder(
	            ConventionService conventionService) {
	        super(conventionService, new LoggerService(LoggerFactory.getLogger(ExternalSelectAuthDataBuilder.class)));
	    }
	
	    public ExternalSelectAuthDataBuilder authorize(EnumSet<AuthorizationFlags> values) {
	        this.authorize = values;
	        return this;
	    }
	
	    @Override
	    public List<ExternalSelectData.ExternalSelectAuthData> build(FieldSet fields, List<ExternalSelectDataEntity.ExternalSelectAuthDataEntity> 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<>();
	
	        List<ExternalSelectData.ExternalSelectAuthData> models = new ArrayList<>();
	        for (ExternalSelectDataEntity.ExternalSelectAuthDataEntity d : data) {
	            ExternalSelectData.ExternalSelectAuthData m = new ExternalSelectData.ExternalSelectAuthData();
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectAuthData._url))) m.setUrl(d.getUrl());
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectAuthData._method))) m.setMethod(d.getMethod());
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectAuthData._body))) m.setBody(d.getBody());
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectAuthData._path))) m.setPath(d.getPath());
	            if (fields.hasField(this.asIndexer(ExternalSelectData.ExternalSelectAuthData._type))) m.setType(d.getType());
	            models.add(m);
	        }
	        this.logger.debug("build {} items", Optional.of(models).map(List::size).orElse(0));
	        return models;
	    }
	}
}