package com.igopizzas.app.core.service;

import android.os.AsyncTask;
import android.os.Build;
import com.fasterxml.jackson.core.type.TypeReference;
import com.igopizzas.app.utils.DebugUtil;
import com.igopizzas.app.utils.JsonMapper;
import com.squareup.okhttp.Response;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpStatus;

public class ArrayService<T> extends BaseService {

  private TypeReference typeReference;
  private ArrayCallback arrayCallback;

  public ArrayService(TypeReference typeReference, ArrayCallback arrayCallback) {
    this.typeReference = typeReference;
    this.arrayCallback = arrayCallback;
  }

  public void getArray(String url) {
    ArrayServiceAsync arrayServiceAsync = new ArrayServiceAsync();
    if (Build.VERSION.SDK_INT>=Build.VERSION_CODES.HONEYCOMB) {
      arrayServiceAsync.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, url);
    } else {
      arrayServiceAsync.execute(url);
    }
  }

  public class ArrayServiceAsync extends AsyncTask<String, Void, ArrayRequestResult> {
    @Override protected ArrayRequestResult doInBackground(String... params) {

      try {

        ResponseHolder responseHolder = generateResponse(params[0]);
        Response response = responseHolder.getResponse();

        if (response != null) {
          if (response.isSuccessful()) {

            return new ArrayRequestResult(response.code(),
                (ArrayList<T>) new JsonMapper().readValue(
                    response.body().string(), typeReference));

          } else {
            return new ArrayRequestResult(response.code(), null);
          }
        } else {
          return new ArrayRequestResult(response.code(), null);
        }
      } catch (IOException ioe) {
        if(DebugUtil.DEBUG) {
          ioe.printStackTrace();
        }
        return new ArrayRequestResult(HttpStatus.SC_BAD_REQUEST, null);
      }
    }

    @Override protected void onPostExecute(ArrayRequestResult arrayRequestResult) {
      super.onPostExecute(arrayRequestResult);
      if(arrayCallback != null) {
        if(arrayRequestResult != null) {
          arrayCallback.onSuccess(
              arrayRequestResult.getStatusCode(),
              arrayRequestResult.getList());
        } else {
          arrayCallback.onFail(1);
        }
      }
    }
  }

  public class ArrayRequestResult {

    public int statusCode;
    public ArrayList<T> list;

    public ArrayRequestResult(int statusCode, ArrayList<T> list) {
      this.statusCode = statusCode;
      this.list = list;
    }

    public int getStatusCode() {
      return statusCode;
    }

    public void setStatusCode(int statusCode) {
      this.statusCode = statusCode;
    }

    public ArrayList<T> getList() {
      return list;
    }

    public void setList(ArrayList<T> list) {
      this.list = list;
    }
  }

  public static interface ArrayCallback<T> {
    void onSuccess(int statusCode, ArrayList<T> list);
    void onFail(int statusCode);
  }

}