package cordova.plugin.cloudsettings;

import android.app.backup.BackupDataInput;
import android.app.backup.BackupDataOutput;
import android.app.backup.FileBackupHelper;
import android.os.ParcelFileDescriptor;
import android.util.Log;

import java.io.IOException;

public class BackupAgentHelper extends android.app.backup.BackupAgentHelper {
    static final String FILE_NAME = "cloudsettings.json";
    static final String FILES_BACKUP_KEY = "data_file";

    @Override
    public void onCreate() {
        CloudSettingsPlugin.d("Created");
        FileBackupHelper helper = new FileBackupHelper(this, FILE_NAME);
        addHelper(FILES_BACKUP_KEY, helper);
    }

    @Override
    public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) throws IOException {

        synchronized (CloudSettingsPlugin.sDataLock) {
            try {
                CloudSettingsPlugin.d("Backup invoked: " + data.toString());
                super.onBackup(oldState, data, newState);
            } catch (Exception e) {
                CloudSettingsPlugin.handleException(e, "when backup invoked");
            }
        }
    }

    @Override
    public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState) throws IOException {
        synchronized (CloudSettingsPlugin.sDataLock) {
            try {
                CloudSettingsPlugin.d("Restore invoked: " + data.toString());
                super.onRestore(data, appVersionCode, newState);
            } catch (Exception e) {
                CloudSettingsPlugin.handleException(e, "when restore invoked");
            }
        }
    }

    @Override
    public void onRestoreFinished(){
        synchronized (CloudSettingsPlugin.sDataLock) {
            try {
                CloudSettingsPlugin.onRestore();
            } catch (Exception e) {
                CloudSettingsPlugin.handleException(e, "when restore finished invoked");
            }
        }
    }
}