package com.safeluck.aaej.app.utils.feign;


import com.google.gson.Gson;
import com.google.gson.JsonIOException;
import com.safeluck.aaej.app.utils.PayJsonResult;
import com.safeluck.aaej.app.utils.PayMessageEncryptor;
import com.safeluck.aaej.base.utils.DefaultGson;
import feign.Response;
import feign.Util;
import feign.codec.Decoder;
import ikidou.reflect.TypeBuilder;
import org.springframework.util.StreamUtils;

import java.io.IOException;
import java.lang.reflect.Type;

public class FeignGsonDecoder implements Decoder {
    private Gson gson = DefaultGson.get();

    PayMessageEncryptor payMessageEncryptor = new PayMessageEncryptor();

    public Object decode(Response response, Type type) throws IOException {
        if (response.status() == 404) {
            return Util.emptyValueOf(type);
        } else if (response.body() == null) {
            return null;
        } else {
//            Reader reader = response.body().asReader();

//            PayJsonResult var4;
            try {
                byte[] bytes = StreamUtils.copyToByteArray(response.body().asInputStream());
                String b64_string = payMessageEncryptor.decrypt(bytes);

//                String b64_string = new String(encrypt_bytes,"utf-8");
                if(type==String.class)
                {
                    return b64_string;
                }
                Type newtype = TypeBuilder.newInstance(PayJsonResult.class).addTypeParam(type).build();

                PayJsonResult var4 = this.gson.fromJson(b64_string, newtype);
                if(var4.getErrorFlag())
                {
                    throw new RuntimeException(var4.getErrorMessage());
                }
                return var4.getData();
//                var4 = this.gson.fromJson(reader, type);
            } catch (JsonIOException var8) {
                if (var8.getCause() != null && var8.getCause() instanceof IOException) {
                    throw (IOException)IOException.class.cast(var8.getCause());
                }

                throw var8;
            } finally {
//                Util.ensureClosed(reader);
            }


        }
    }
}