package com.camilstaps.taize;

import android.content.Intent;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.ViewGroup;
import android.widget.PopupMenu;

public class MainActivity extends ActionBarActivity {

    ViewPager viewPager;
    PagerAdapter pagerAdapter;

    ActionBar.TabListener tabListener;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Taize.cleanTextSets(this);

        setContentView(R.layout.activity_main);

        pagerAdapter = new TaizePagerAdapter(getSupportFragmentManager());
        viewPager = (ViewPager) findViewById(R.id.pager);
        viewPager.setAdapter(pagerAdapter);

        final ActionBar actionBar = getSupportActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        PreferenceManager.getDefaultSharedPreferences(this).edit().remove("dailyreadingbibletexts").apply();

        tabListener = new ActionBar.TabListener() {
            @Override
            public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
                switch (tab.getPosition()) {
                    case 0:
                        viewPager.setCurrentItem(TaizePagerAdapter.DAILYREADING_TODAY);
                        break;
                    case 1:
                        viewPager.setCurrentItem(TaizePagerAdapter.DAILYMEDITATION_TODAY);
                        break;
                    case 2:
                        viewPager.setCurrentItem(TaizePagerAdapter.PODCAST_TODAY);
                }
            }

            @Override
            public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
            }

            @Override
            public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
            }
        };

        actionBar.addTab(actionBar.newTab().setText("Reading").setIcon(R.drawable.ic_action_reading).setTabListener(tabListener));
        actionBar.addTab(actionBar.newTab().setText("Meditation").setIcon(R.drawable.ic_action_meditation).setTabListener(tabListener));
        //actionBar.addTab(actionBar.newTab().setText("Podcast").setIcon(R.drawable.ic_action_podcast).setTabListener(tabListener));
    }

    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.global, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();

        Intent intent;
        switch (id) {
            case R.id.action_settings:
                intent = new Intent(this, SettingsActivity.class);
                startActivity(intent);
                return true;
            case R.id.action_share:
                PopupMenu popup = new PopupMenu(this, findViewById(R.id.action_share));
                MenuInflater inflater = popup.getMenuInflater();
                inflater.inflate(R.menu.share_popup, popup.getMenu());

                popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                    @Override
                    public boolean onMenuItemClick(MenuItem item) {
                        Intent intent = new Intent();
                        intent.setAction(Intent.ACTION_SEND);
                        intent.setType("text/plain");
                        switch (item.getItemId()) {
                            case R.id.action_share_bibletext:
                                //intent.putExtra(Intent.EXTRA_TEXT, ((DailyReadingFragment) TaizePagerAdapter.instantiateItem(viewPager, viewPager.getCurrentItem())).getBibleText());
                                break;
                            case R.id.action_share_reading:
                                //intent.putExtra(Intent.EXTRA_TEXT, ((DailyReadingFragment) TaizePagerAdapter.instantiateItem(viewPager, viewPager.getCurrentItem())).getReading());
                                break;
                        }
                        startActivity(intent);
                        return false;
                    }
                });

                popup.show();
                return true;
        }

        return super.onOptionsItemSelected(item);
    }

    private class TaizePagerAdapter extends FragmentStatePagerAdapter {

        public static final int DAILYREADING_PAST_LIMIT = 100, DAILYREADING_TODAY = 200, DAILYREADING_FUTURE_LIMIT = 299;
        public static final int DAILYMEDITATION_PAST_LIMIT = 300, DAILYMEDITATION_TODAY = 400, DAILYMEDITATION_FUTURE_LIMIT = 499;
        public static final int PODCAST_PAST_LIMIT = 500, PODCAST_TODAY = 600, PODCAST_FUTURE_LIMIT = 699;
        public static final int COUNT = 700;

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

        @Override
        public Fragment getItem(int i) {

            Fragment fragment = null;

            if (i >= DAILYREADING_PAST_LIMIT && i <= DAILYREADING_FUTURE_LIMIT) {
                fragment = new DailyReadingFragment();
                Bundle args = new Bundle();
                args.putInt("dateOffset", i - DAILYREADING_TODAY);
                fragment.setArguments(args);
            } else if (i >= DAILYMEDITATION_PAST_LIMIT && i <= DAILYMEDITATION_FUTURE_LIMIT) {
                fragment = new DailyMeditationFragment();
                Bundle args = new Bundle();
                args.putInt("dateOffset", i - DAILYMEDITATION_TODAY);
                fragment.setArguments(args);
            } else if (i >= PODCAST_PAST_LIMIT && i <= PODCAST_FUTURE_LIMIT) {
                return getItem(DAILYREADING_TODAY);
            }

            return fragment;
        }

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

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            return super.instantiateItem(container, fakePosition(position));
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            super.destroyItem(container, fakePosition(position), object);
        }

        private int fakePosition(int requestedPosition) {
            if (requestedPosition < 2) {
                return DAILYREADING_TODAY;
            } else {
                return requestedPosition;
            }
        }

        public int getItemPosition(Object object) {
            return POSITION_NONE;
        }
    }

}