package com.jasamedika.medifirst2000.converter;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.persistence.Column;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;

import org.springframework.stereotype.Component;

import com.google.gson.Gson;
import com.jasamedika.medifirst2000.converter.base.BaseVoConverter;
import com.jasamedika.medifirst2000.entities.KonversiSatuan;
import com.jasamedika.medifirst2000.vo.KonversiSatuanVO;

@Component
public class KonversiSatuanConverter implements BaseVoConverter<KonversiSatuanVO, KonversiSatuan> {

	@Override
	public KonversiSatuan transferVOToModel(KonversiSatuanVO vo, KonversiSatuan model) {
		if (model == null) {
			model = new KonversiSatuan();
		}

		try {
			String[] fieldsToInclude = null;
			Map<String, Object> serialized = vo.serialize(fieldsToInclude, vo.getClass().getName());
			Gson gson = new Gson();
			String json = gson.toJson(serialized);
			model = gson.fromJson(json, KonversiSatuan.class);
		} catch (Exception ex) {
			ex.printStackTrace();
		}

		return model;
	}

	@Override
	public List<KonversiSatuanVO> transferListOfModelToListOfVO(List<KonversiSatuan> models,
			List<KonversiSatuanVO> vos) {

		if (vos == null) {
			vos = new ArrayList<>();
		}

		if (models == null) {
			return vos;
		}

		for (KonversiSatuan model : models) {
			KonversiSatuanVO vo = new KonversiSatuanVO();
			vo = transferModelToVO(model, vo);
			vos.add(vo);
		}

		return vos;
	}

	@Override
	public KonversiSatuanVO transferModelToVO(KonversiSatuan model, KonversiSatuanVO vo) {
		if (null == vo)
			vo = new KonversiSatuanVO();
		
		try {
			List<String> fieldsToInclude = new ArrayList<String>();
			for (Field field : model.GetFields(model.getClass())) {
				String str = field.getName();
				String name = field.getName();
				if (name.equals("serialVersionUID"))
					continue;
				Boolean valid = false;
				for (java.lang.annotation.Annotation annotation : field.getDeclaredAnnotations()) {
					if (annotation instanceof JoinColumn) {
						valid = true;
					} else if (annotation instanceof Column) {
						Column column = (Column) annotation;
						if (column.name().endsWith("Fk"))
							if (field.getName().endsWith("Id") == false)
								valid = true;
					} else if (annotation instanceof OneToMany) {
						valid = true;
					}

				}
				if (valid == false)
					fieldsToInclude.add(str);

			}
			Map<String, Object> serialized = model.serialize(fieldsToInclude.toArray(new String[0]),
					model.getClass().getSimpleName());
			Gson gson = new Gson();
			String json = gson.toJson(serialized);
			vo = gson.fromJson(json, KonversiSatuanVO.class);
		} catch (Exception e) {
			e.printStackTrace();
		}

		return vo;
	}

}