/*************************************************************************/
/*  ConsumeTask.java                                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/*************************************************************************/

package org.godotengine.godot.payments;

import com.android.vending.billing.IInAppBillingService;

import android.content.Context;
import android.os.AsyncTask;
import android.os.RemoteException;
import android.util.Log;

import java.lang.ref.WeakReference;

abstract public class ConsumeTask {

	private Context context;
	private IInAppBillingService mService;

	private String mSku;
	private String mToken;

	private static class ConsumeAsyncTask extends AsyncTask<String, String, String> {

		private WeakReference<ConsumeTask> mTask;

		ConsumeAsyncTask(ConsumeTask consume) {
			mTask = new WeakReference<>(consume);
		}

		@Override
		protected String doInBackground(String... strings) {
			ConsumeTask consume = mTask.get();
			if (consume != null) {
				return consume.doInBackground(strings);
			}
			return null;
		}

		@Override
		protected void onPostExecute(String param) {
			ConsumeTask consume = mTask.get();
			if (consume != null) {
				consume.onPostExecute(param);
			}
		}
	}

	public ConsumeTask(IInAppBillingService mService, Context context) {
		this.context = context;
		this.mService = mService;
	}

	public void consume(final String sku) {
		mSku = sku;
		PaymentsCache pc = new PaymentsCache(context);
		Boolean isBlocked = pc.getConsumableFlag("block", sku);
		mToken = pc.getConsumableValue("token", sku);
		if (!isBlocked && mToken == null) {
			// Consuming task is processing
		} else if (!isBlocked) {
			return;
		} else if (mToken == null) {
			this.error("No token for sku:" + sku);
			return;
		}
		new ConsumeAsyncTask(this).execute();
	}

	private String doInBackground(String... params) {
		try {
			int response = mService.consumePurchase(3, context.getPackageName(), mToken);
			if (response == 0 || response == 8) {
				return null;
			}
		} catch (RemoteException e) {
			return e.getMessage();
		}
		return "Some error";
	}

	private void onPostExecute(String param) {
		if (param == null) {
			success(new PaymentsCache(context).getConsumableValue("ticket", mSku));
		} else {
			error(param);
		}
	}

	abstract protected void success(String ticket);
	abstract protected void error(String message);
}
