/*
 * SaveMySugar - Exchange messages using the distance between phone calls
 *
 * Copyright (C) 2015  Antonio Ospite <ao2@ao2.it>
 *
 * 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 it.ao2.savemysugar;

import android.annotation.SuppressLint;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    private static final String TAG = "SaveMySugar";
    private static final int REQUEST_PREFS = 1;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
        adapter.addFragment(new ReceiveFragment(), "Receive");
        adapter.addFragment(new SendFragment(), "Send");

        ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager);
        viewPager.setAdapter(adapter);

        TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
        tabLayout.setupWithViewPager(viewPager);
    }

    static class ViewPagerAdapter extends FragmentPagerAdapter {
        private final List<Fragment> mFragments = new ArrayList<>();
        private final List<String> mFragmentTitles = new ArrayList<>();

        ViewPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        public void addFragment(Fragment fragment, String title) {
            mFragments.add(fragment);
            mFragmentTitles.add(title);
        }

        @Override
        public Fragment getItem(int position) {
            return mFragments.get(position);
        }

        @Override
        public int getCount() {
            return mFragments.size();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return mFragmentTitles.get(position);
        }
    }

    // Workaround to have the generic menu key (either a hardware one or the
    // one the in bottom navigation bar) open the overflow menu.
    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_MENU) {
            Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
            if (toolbar.isOverflowMenuShowing()) {
                toolbar.dismissPopupMenus();
            } else {
                toolbar.showOverflowMenu();
            }
            return true;
        }
        return super.onKeyUp(keyCode, event);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {

        case R.id.menu_settings:
            Intent i = new Intent(this, SettingsActivity.class);
            startActivityForResult(i, REQUEST_PREFS);
            return true;

        case R.id.action_about:
            @SuppressLint("InflateParams")
            // See the last section in
            // https://possiblemobile.com/2013/05/layout-inflation-as-intended/
            View view = LayoutInflater.from(this).inflate(R.layout.about, null);

            ((TextView) view.findViewById(R.id.version)).setText(BuildConfig.VERSION_NAME);

            AlertDialog alrt = new AlertDialog.Builder(this).setView(view).create();
            alrt.setTitle(R.string.about_title);
            alrt.setButton(AlertDialog.BUTTON_NEGATIVE, getString(R.string.ok),
                           new DialogInterface.OnClickListener() {
                               @Override
                               public void onClick(DialogInterface dialog, int whichButton) {
                               }
                           });
            alrt.show();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        switch (requestCode) {
        case REQUEST_PREFS:
            ((SaveMySugarApplication) getApplication()).updateModulatorParams();
            break;
        }
    }
}