/*
 * Copyright (c) 2017 Cisco and/or its affiliates.
 * 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.metis.ccnx.ccnxsdk.metiscontrol;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
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.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class ForwarderStatusActivity extends AppCompatActivity implements
        MetisStatusFragment.OnFragmentVisibleListener {

    private static final String TAG = "CCNX FSA";

    private SectionsPagerAdapter mSectionsPagerAdapter;

    private ViewPager mViewPager;
    private Fragment mVisibleFragment;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_forwarder_status);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
        mViewPager = (ViewPager) findViewById(R.id.container);
        mViewPager.setAdapter(mSectionsPagerAdapter);


        final FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);

        assert fab != null;
        fab.setVisibility(View.GONE);

        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (mVisibleFragment != null) {
                    if (mVisibleFragment instanceof IMetisAddNewItem) {
                        IMetisAddNewItem fragment = (IMetisAddNewItem) mVisibleFragment;
                        fragment.showAddNewItemDialog();
                    }
                }
            }
        });

    }


    @Override

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        int id = item.getItemId();

        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    public static class PlaceholderFragment extends Fragment {

        private static final String ARG_SECTION_NUMBER = "section_number";

        public PlaceholderFragment() {
        }

        public static PlaceholderFragment newInstance(int sectionNumber) {
            PlaceholderFragment fragment = new PlaceholderFragment();
            Bundle args = new Bundle();
            args.putInt(ARG_SECTION_NUMBER, sectionNumber);
            fragment.setArguments(args);
            return fragment;
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                 Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_forwarder_status, container, false);
            TextView textView = (TextView) rootView.findViewById(R.id.section_label);
            textView.setText(getString(R.string.section_format, getArguments().getInt(ARG_SECTION_NUMBER)));
            return rootView;
        }
    }

    public class SectionsPagerAdapter extends FragmentPagerAdapter {

        public SectionsPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            return MetisStatusFragment.newInstance(position + 1);
        }

        @Override
        public int getCount() {
            return 1;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return "SECTION 1";
        }


    }

    public void onFragmentVisible(Fragment fragment) {
        Log.d(TAG, "***** PAGE: " + fragment + " is now showing.");
        mVisibleFragment = fragment;

        final FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);

        if (fragment instanceof IMetisAddNewItem) {
            fab.setVisibility(View.VISIBLE);
        } else {
            fab.setVisibility(View.INVISIBLE);
        }

        String appName = getResources().getString(R.string.app_name);

        if (fragment instanceof IMetisNamedFragment) {
            appName += " // " + ((IMetisNamedFragment) fragment).getFragmentName();
        }

        setTitle(appName);

    }



}