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/*
 * 
 */

package com.automationrockstars.gir.data.converter;

import org.apache.commons.beanutils.converters.AbstractConverter;
import org.apache.commons.lang.WordUtils;

import java.lang.reflect.InvocationTargetException;
import java.util.Date;

public class NullConverter extends AbstractConverter {

    @SuppressWarnings("unchecked")
    public static  T nullConvert(Class type) {

        if (type.equals(Boolean.class) || type.equals(Boolean.TYPE)) {
            return (T) Boolean.FALSE;
        } else if (type.equals(String.class)) {
            return type.cast("");
        } else if (Number.class.isAssignableFrom(type)) {
            try {
                return type.getConstructor(String.class).newInstance("0");
            } catch (IllegalAccessException | InstantiationException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException | SecurityException e) {
                return null;
            }
        } else if (type.equals(Date.class)) {
            return type.cast(new Date());
        } else if (type.isPrimitive()) {
            try {
                String name = type.getSimpleName();
                if (name.equals("int")) {
                    name = "Integer";
                }
                return (T) Class.forName("java.lang." + WordUtils.capitalize(name)).getConstructor(String.class).newInstance("0");
            } catch (IllegalAccessException | InstantiationException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException | SecurityException | ClassNotFoundException e) {
                e.printStackTrace();
                return null;
            }
        }
        return null;
    }

    @Override
    protected  T convertToType(Class type, Object value) throws Throwable {
        return nullConvert(type);
    }

    @Override
    protected Class getDefaultType() {
        return Void.class;

    }

}