package cy.agorise.graphenej;

import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;

import java.lang.reflect.Type;
import java.util.ArrayList;

import cy.agorise.graphenej.interfaces.ByteSerializable;
import cy.agorise.graphenej.interfaces.JsonSerializable;

/**
 * Created by nelson on 11/9/16.
 */
public class Extensions implements JsonSerializable, ByteSerializable {
    public static final String KEY_EXTENSIONS = "extensions";

    private ArrayList<JsonSerializable> extensions;

    public Extensions(){
        extensions = new ArrayList<>();
    }

    @Override
    public String toJsonString() {
        return null;
    }

    @Override
    public JsonElement toJsonObject() {
        JsonArray array = new JsonArray();
        for(JsonSerializable o : extensions)
            array.add(o.toJsonObject());
        return array;
    }

    @Override
    public byte[] toBytes() {
        return new byte[1];
    }

    public int size(){
        return extensions.size();
    }

    /**
     * Custom de-serializer used to avoid problems when de-serializing an object that contains
     * an extension array.
     */
    public static class ExtensionsDeserializer implements JsonDeserializer<Extensions> {
        @Override
        public Extensions deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
            return null;
        }
    }
}