package safeluck.drive.evaluation.httpmodule;

import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.reflect.TypeToken;

import org.jetbrains.annotations.NotNull;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import javax.annotation.Nullable;

import okhttp3.RequestBody;
import retrofit2.Converter;
import retrofit2.Retrofit;

public class GsonConverterFactory extends Converter.Factory {


    @NotNull
    public static Converter.Factory create() {
        return create(new Gson());
    }

    private static Converter.Factory create(Gson gson) {
        return new GsonConverterFactory(gson);
    }

    private final Gson gson;
    private GsonConverterFactory(Gson gson){
        if (gson == null){
            throw new NullPointerException("gson == null");
        }
        this.gson = gson;
    }

    @Nullable
    @Override
    public Converter<?, RequestBody> requestBodyConverter(Type type, Annotation[] parameterAnnotations, Annotation[] methodAnnotations, Retrofit retrofit) {
        TypeAdapter<?> adapter = gson.getAdapter(TypeToken.get(type));
        return new MyGsonRequestBodyConverter<>(gson,adapter);
    }
}