package com.camilstaps.taize;

import android.content.Intent;
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.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;

public class MainActivity extends ActionBarActivity {

    ViewPager pager;
    PagerAdapter pagerAdapter;

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

        Taize.cleanDailyReadingsSet(this);

        setContentView(R.layout.activity_main);

        pager = (ViewPager) findViewById(R.id.pager);
        pagerAdapter = new PagerAdapter(getSupportFragmentManager());
        pager.setAdapter(pagerAdapter);
        pager.setCurrentItem(Integer.MAX_VALUE, false);

        final ActionBar actionBar = getSupportActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        //actionBar.setDisplayShowTitleEnabled(true);

        ActionBar.TabListener tabListener = new ActionBar.TabListener() {
            @Override
            public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {

            }

            @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));
    }

    public void onBackPressed() {
        if (pager.getCurrentItem() == 0) {
            super.onBackPressed();
        } else {
            pager.setCurrentItem(pager.getCurrentItem() - 1);
        }
    }

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

    @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.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            Intent intent = new Intent(this, SettingsActivity.class);
            startActivity(intent);
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    private class PagerAdapter extends FragmentStatePagerAdapter {
        public PagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int i) {
            Fragment fragment = new DailyReadingFragment();

            Bundle args = new Bundle();
            args.putInt("dateOffset", i);
            fragment.setArguments(args);

            return fragment;
        }

        @Override
        public int getCount() {
            return Integer.MAX_VALUE;
        }

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

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            if (position < 2) {
                return super.instantiateItem(container, position);
            } else {
                return super.instantiateItem(container, Integer.MAX_VALUE - position - 1);
            }
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            if (position < 2) {
                super.destroyItem(container, position, object);
            } else {
                super.destroyItem(container, Integer.MAX_VALUE - position - 1, object);
            }
        }
    }

}