/*
 * Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.sufficientlysecure.keychain.service;

import org.sufficientlysecure.keychain.ui.dialog.ProgressDialogFragment;
import org.sufficientlysecure.keychain.R;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.FragmentActivity;
import android.widget.Toast;

public class KeychainIntentServiceHandler extends Handler {

    // possible messages send from this service to handler on ui
    public static final int MESSAGE_OKAY = 1;
    public static final int MESSAGE_EXCEPTION = 2;
    public static final int MESSAGE_UPDATE_PROGRESS = 3;

    // possible data keys for messages
    public static final String DATA_ERROR = "error";
    public static final String DATA_PROGRESS = "progress";
    public static final String DATA_PROGRESS_MAX = "max";
    public static final String DATA_MESSAGE = "message";
    public static final String DATA_MESSAGE_ID = "message_id";

    Activity mActivity;
    ProgressDialogFragment mProgressDialogFragment;

    public KeychainIntentServiceHandler(Activity activity) {
        this.mActivity = activity;
    }

    public KeychainIntentServiceHandler(Activity activity, ProgressDialogFragment progressDialogFragment) {
        this.mActivity = activity;
        this.mProgressDialogFragment = progressDialogFragment;
    }

    public KeychainIntentServiceHandler(Activity activity, int progressDialogMessageId, int progressDialogStyle) {
        this.mActivity = activity;
        this.mProgressDialogFragment = ProgressDialogFragment.newInstance(progressDialogMessageId,
                progressDialogStyle);
    }

    public void showProgressDialog(FragmentActivity activity) {
        mProgressDialogFragment.show(activity.getSupportFragmentManager(), "progressDialog");
    }

    @Override
    public void handleMessage(Message message) {
        Bundle data = message.getData();

        switch (message.arg1) {
        case MESSAGE_OKAY:
            mProgressDialogFragment.dismiss();

            break;

        case MESSAGE_EXCEPTION:
            mProgressDialogFragment.dismiss();

            // show error from service
            if (data.containsKey(DATA_ERROR)) {
                Toast.makeText(mActivity,
                        mActivity.getString(R.string.errorMessage, data.getString(DATA_ERROR)),
                        Toast.LENGTH_SHORT).show();
            }

            break;

        case MESSAGE_UPDATE_PROGRESS:
            if (data.containsKey(DATA_PROGRESS) && data.containsKey(DATA_PROGRESS_MAX)) {

                // update progress from service
                if (data.containsKey(DATA_MESSAGE)) {
                    mProgressDialogFragment.setProgress(data.getString(DATA_MESSAGE),
                            data.getInt(DATA_PROGRESS), data.getInt(DATA_PROGRESS_MAX));
                } else if (data.containsKey(DATA_MESSAGE_ID)) {
                    mProgressDialogFragment.setProgress(data.getInt(DATA_MESSAGE_ID),
                            data.getInt(DATA_PROGRESS), data.getInt(DATA_PROGRESS_MAX));
                } else {
                    mProgressDialogFragment.setProgress(data.getInt(DATA_PROGRESS),
                            data.getInt(DATA_PROGRESS_MAX));
                }
            }

            break;

        default:
            break;
        }
    }
}