/* Copyright 2015 Braden Farmer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.farmerbb.secondscreen.fragment.dialog;

import android.app.Activity;
import androidx.appcompat.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.os.Bundle;
import android.text.method.LinkMovementMethod;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.farmerbb.secondscreen.BuildConfig;
import com.farmerbb.secondscreen.R;

import java.util.Calendar;
import java.util.TimeZone;

// DialogFragment shown when "About SecondScreen" is clicked from the SettingsFragment
public final class AboutDialogFragment extends DialogFragment {

    LinearLayout checkbox;
    TextView textView;

/* The activity that creates an instance of this dialog fragment must
 * implement this interface in order to receive event call backs.
 * Each method passes the DialogFragment in case the host needs to query it. */
    public interface Listener {
        void onAboutDialogNegativeClick(DialogFragment dialog);
    }

    // Use this instance of the interface to deliver action events
    Listener listener;

    // Override the Fragment.onAttach() method to instantiate the Listener
    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        // Verify that the host activity implements the callback interface
        try {
            // Instantiate the Listener so we can send events to the host
            listener = (Listener) activity;
        } catch (ClassCastException e) {
            // The activity doesn't implement the interface, throw exception
            throw new ClassCastException(activity.toString()
                    + " must implement Listener");
        }
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {

        // Use the Builder class for convenient dialog construction
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

        // Get the layout inflater
        final LayoutInflater inflater = getActivity().getLayoutInflater();

        // Inflate and set the layout for the dialog
        // Pass null as the parent view because its going in the dialog layout
        final View view = inflater.inflate(R.layout.fragment_dialogs, null);

        builder.setView(view)
        .setTitle(R.string.dialog_about_title)
        .setPositiveButton(R.string.action_close, (dialog, id) -> {});

        if(!BuildConfig.DEBUG) {
            builder.setNegativeButton(R.string.check_for_update, (dialog, id) -> listener.onAboutDialogNegativeClick(this));
        }

        Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("America/Denver"));
        calendar.setTimeInMillis(BuildConfig.TIMESTAMP);

        int year = calendar.get(Calendar.YEAR);

        textView = view.findViewById(R.id.dialogMessage);
        textView.setText(getString(R.string.dialog_about_message, year));
        textView.setMovementMethod(LinkMovementMethod.getInstance());

        checkbox = view.findViewById(R.id.checkBoxLayout);
        checkbox.setVisibility(View.GONE);

        // Create the AlertDialog object and return it
        return builder.create();
    }
}