/* 
 * Copyright 2010-2018 Eric Kok et al.
 * 
 * Transdroid is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Transdroid is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Transdroid.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.transdroid.core.service;

import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.wifi.WifiManager;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.appcompat.app.AlertDialog;
import org.androidannotations.annotations.EBean;
import org.androidannotations.annotations.EBean.Scope;
import org.androidannotations.annotations.SystemService;
import org.transdroid.R;

@EBean(scope = Scope.Singleton)
public class ConnectivityHelper {

	private static final int REQUEST_LOCATION_PERMISSION = 0;

	@SystemService
	protected ConnectivityManager connectivityManager;
	@SystemService
	protected WifiManager wifiManager;

	public boolean shouldPerformBackgroundActions() {
		// Check the current active network whether we are connected
		return connectivityManager.getActiveNetworkInfo() != null
				&& connectivityManager.getActiveNetworkInfo().isConnected();
	}

	public String getConnectedNetworkName() {
		if (wifiManager != null && wifiManager.getConnectionInfo() != null && wifiManager.getConnectionInfo().getSSID() != null) {
			return wifiManager.getConnectionInfo().getSSID().replace("\"", "");
		}
		return null;
	}

	public boolean hasNetworkNamePermission(final Context activityContext) {
		return ContextCompat.checkSelfPermission(activityContext, Manifest.permission.ACCESS_FINE_LOCATION) ==
				PackageManager.PERMISSION_GRANTED;
	}

	public void askNetworkNamePermission(final Activity activity) {
		new AlertDialog.Builder(activity)
				.setTitle(R.string.pref_local_permission_title)
				.setMessage(activity.getString(R.string.pref_local_permission_rationale,
						activity.getString(R.string.app_name)))
				.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
						ActivityCompat.requestPermissions(activity,
								new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_LOCATION_PERMISSION);
					}
				})
				.setNegativeButton(android.R.string.cancel, null)
				.show();
	}

	public boolean requestedPermissionWasGranted(int requestCode, String[] permissions, int[] grantResults) {
		return (requestCode == REQUEST_LOCATION_PERMISSION
				&& permissions != null
				&& grantResults != null
				&& permissions[0].equals(Manifest.permission.ACCESS_FINE_LOCATION)
				&& grantResults[0] == PackageManager.PERMISSION_GRANTED);
	}

}