package com.nytimes.sartre.resource.command.swagger;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.nytimes.sartre.json.JSONRequestCommand;
import com.wordnik.swagger.converter.ModelConverter;
import com.wordnik.swagger.converter.ModelConverterContext;
import com.wordnik.swagger.jackson.AbstractModelConverter;
import com.wordnik.swagger.models.Model;
import com.wordnik.swagger.models.ModelImpl;
import com.wordnik.swagger.models.properties.ObjectProperty;
import com.wordnik.swagger.models.properties.Property;
import com.wordnik.swagger.util.Json;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Type;
import java.util.*;

public class JsonRequestCommandSwaggerModelConverter extends AbstractModelConverter {

    private static final Logger LOG = LoggerFactory.getLogger(JsonRequestCommandSwaggerModelConverter.class);

    public JsonRequestCommandSwaggerModelConverter() {
        super(Json.mapper());
    }

//    @Autowired(required = false)
//    private GsonBuilder gsonBuilder;

    @Override
    public Property resolveProperty(Type type, ModelConverterContext context, Annotation[] annotations, Iterator<ModelConverter> chain) {
        return chain.next().resolveProperty(type, context, annotations, chain);
    }

    @Override
    public Model resolve(Type type, ModelConverterContext context, Iterator<ModelConverter> chain) {
        if(type instanceof Class<?>){
            Class<?> cls = (Class<?>) type;
            if(JSONRequestCommand.class.isAssignableFrom(cls)){
                ModelImpl impl = new ModelImpl();
                impl.setName(cls.getSimpleName());

//                Gson gson = gsonBuilder.create();
//                String dataJson = gson.toJson(cls);

//                ObjectProperty dataProperty = new ObjectProperty();
//                dataProperty.setDefault("{\"msg\": \"This is an object\"");
//                dataProperty.setFormat("{\"msg\": \"This is a format\"");
//                dataProperty.setType("{\"msg\": \"This is a type\"");
//                dataProperty.setDescription("{\"msg\": \"This is a description\"");
//                dataProperty.setExample("{\"msg\": \"This is an example\"");
                impl.addProperty("data", context.resolveProperty(type, null));


                try {
                    Field metaField = cls.getField("meta");
                    impl.addProperty("meta", context.resolveProperty(metaField.getType(), null));
                } catch (NoSuchFieldException e) {

                }

                context.defineModel(impl.getName(), impl);
                return impl;
            }
        }

        if(chain.hasNext()) {
            return chain.next().resolve(type, context, chain);
        } else {
            return null;
        }
    }
}