package home.smart.fly.animations.tradition;

import android.content.Context;
import android.content.Intent;
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.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.bumptech.glide.Glide;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import java.util.List;

import home.smart.fly.animations.R;
import home.smart.fly.animations.tradition.vptransanim.DepthPageTransformer;
import home.smart.fly.animations.tradition.vptransanim.MyCubeTransformer;
import home.smart.fly.animations.tradition.vptransanim.ZoomOutPageTransformer;
import home.smart.fly.animations.utils.Tools;

public class VPAnimActivity extends AppCompatActivity {

    /**
     * The {@link android.support.v4.view.PagerAdapter} that will provide
     * fragments for each of the sections. We use a
     * {@link FragmentPagerAdapter} derivative, which will keep every
     * loaded fragment in memory. If this becomes too memory intensive, it
     * may be best to switch to a
     * {@link android.support.v4.app.FragmentStatePagerAdapter}.
     */
    private SectionsPagerAdapter mSectionsPagerAdapter;

    /**
     * The {@link ViewPager} that will host the section contents.
     */
    private ViewPager mViewPager;

    private static final String TAG = "VPAnimActivity";
    private List<String> pics;
    private Context mContext;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mContext = this;
        setContentView(R.layout.activity_vpanim);
        initDatas();
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        // Create the adapter that will return a fragment for each of the three
        // primary sections of the activity.
        mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

        // Set up the ViewPager with the sections adapter.
        mViewPager = (ViewPager) findViewById(R.id.container);
        mViewPager.setAdapter(mSectionsPagerAdapter);
        mViewPager.setPageTransformer(true, new DepthPageTransformer());


        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                startActivity(new Intent(mContext, VPAnim2Activity.class));
//                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
//                        .setAction("Action", null).show();
            }
        });

    }

    private void initDatas() {
        String data = Tools.readStrFromAssets("pics.data", mContext);
        pics = new Gson().fromJson(data, new TypeToken<List<String>>() {
        }.getType());
        pics = pics.subList(0, 8);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_vpanim, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.file_path.
        int id = item.getItemId();

        switch (id) {
            case R.id.anim1:
                mViewPager.setPageTransformer(true, new DepthPageTransformer());
                break;
            case R.id.anim2:
                mViewPager.setPageTransformer(true, new ZoomOutPageTransformer());
                break;
            case R.id.anim3:
                mViewPager.setPageTransformer(true, new MyCubeTransformer(90));
                break;
            default:
                break;
        }


        return super.onOptionsItemSelected(item);
    }

    /**
     * A placeholder fragment containing a simple view.
     */
    public static class PlaceholderFragment extends Fragment {
        /**
         * The fragment argument representing the section number for this
         * fragment.
         */
        private static final String ARG_SECTION_NUMBER = "section_number";

        public PlaceholderFragment() {
        }

        /**
         * Returns a new instance of this fragment for the given section
         * number.
         *
         * @param sectionNumber
         */
        public static PlaceholderFragment newInstance(String sectionNumber) {
            PlaceholderFragment fragment = new PlaceholderFragment();
            Bundle args = new Bundle();
            args.putString(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_vpanim, container, false);
            ImageView section_label = (ImageView) rootView.findViewById(R.id.section_label);
            String url = getArguments().getString(ARG_SECTION_NUMBER);
            Glide.with(getContext()).load(url).into(section_label);
            return rootView;
        }
    }

    /**
     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
     * one of the sections/tabs/pages.
     */
    public class SectionsPagerAdapter extends FragmentPagerAdapter {

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

        @Override
        public Fragment getItem(int position) {
            // getItem is called to instantiate the fragment for the given page.
            // Return a PlaceholderFragment (defined as a static inner class below).
            String url = pics.get(position);
            return PlaceholderFragment.newInstance(url);
        }

        @Override
        public int getCount() {
            // Show 3 total pages.
            return pics.size();
        }
    }
}
