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package org.solovyev.android.samples.tasks;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import org.solovyev.android.App;
import org.solovyev.android.samples.Locator;
import org.solovyev.android.samples.R;
import org.solovyev.android.tasks.NamedContextTask;
import org.solovyev.android.tasks.TaskListeners;
import org.solovyev.android.tasks.Tasks;

import javax.annotation.Nonnull;

/**
 * User: serso
 * Date: 4/8/13
 * Time: 10:35 PM
 */
public class SamplesTaskActivity extends Activity {

	public static final String SLEEP_TASK_NAME = "sleep-task";

	@Nonnull
	private final TaskListeners taskListeners = new TaskListeners(((Locator) App.getLocator()).getTaskService());

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.acl_tasks_layout);

		final View startTaskButton = findViewById(R.id.start_task_button);
		startTaskButton.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
				// here we start the task
				startTask();
			}
		});

		// don't forget to reattach result listener and dialogs
		// note: here i use SleepTask as a callback but you can easily use simple callback (decouple callable and result callback)
		taskListeners.addTaskListener(SLEEP_TASK_NAME, Tasks.toUiThreadFutureCallback(this, new SleepTask()), this, R.string.acl_sleeping_title, R.string.acl_sleeping_message);

	}

	private void startTask() {
		// start the task
		taskListeners.run(Tasks.toUiThreadTask(this, new SleepTask()), this, R.string.acl_sleeping_title, R.string.acl_sleeping_message);
	}

	@Override
	protected void onDestroy() {
		taskListeners.removeAllTaskListeners();
		super.onDestroy();
	}

	// NOTE: static class
	private static final class SleepTask implements NamedContextTask {

		@Nonnull
		@Override
		public String getName() {
			return SLEEP_TASK_NAME;
		}

		@Override
		public Integer call() throws Exception {
			Thread.sleep(10000);
			return 42;
		}

		@Override
		public void onSuccess(@Nonnull SamplesTaskActivity activity, Integer result) {
			Log.d(SLEEP_TASK_NAME, "OnSuccess, activity: " + activity);
			final Button startTaskButton = (Button) activity.findViewById(R.id.start_task_button);
			startTaskButton.setText(R.string.acl_start_task_again);
		}

		@Override
		public void onFailure(@Nonnull SamplesTaskActivity activity, Throwable t) {
			Toast.makeText(activity, "Error: " + t, Toast.LENGTH_LONG).show();
		}
	}
}