package me.caesar2011.vpherder;

import java.util.Locale;

import me.caesar2011.vpherder.teachersubstitution.TSCreate;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class MainActivity extends FragmentActivity {

	/**
	 * The {@link android.support.v4.view.PagerAdapter} that will provide
	 * fragments for each of the sections. We use a
	 * {@link android.support.v4.app.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}.
	 */
	SectionsPagerAdapter mSectionsPagerAdapter;

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

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

		// TSCreate the adapter that will return a fragment for each of the three
		// primary sections of the app.
		mSectionsPagerAdapter = new SectionsPagerAdapter(
				getSupportFragmentManager());

		// Set up the ViewPager with the sections adapter.
		mViewPager = (ViewPager) findViewById(R.id.pager);
		mViewPager.setAdapter(mSectionsPagerAdapter);

	}

	/**
	 * 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 SectionFragment (defined as a static inner class
			// below) with the page number as its lone argument.
			Fragment fragment = new SectionFragment();
			Bundle args = new Bundle();
			args.putInt(SectionFragment.ARG_SECTION_NUMBER, position + 1);
			fragment.setArguments(args);
			return fragment;
		}

		@Override
		public int getCount() {
			// Show 2 total pages.
			return 2;
		}

		@Override
		public CharSequence getPageTitle(int position) {
			Locale l = Locale.getDefault();
			switch (position) {
			case 0:
				return getString(R.string.title_section1).toUpperCase(l); // teacher substitution today
			case 1:
				return getString(R.string.title_section2).toUpperCase(l); //settings
			}
			return null;
		}
	}

	/**
	 * A dummy fragment representing a section of the app, but that simply
	 * displays dummy text.
	 */
	public static class SectionFragment extends Fragment {
		/**
		 * The fragment argument representing the section number for this
		 * fragment.
		 */
		public static final String ARG_SECTION_NUMBER = "section_number";

		public SectionFragment() {
		}

		@Override
		public View onCreateView(LayoutInflater inflater, ViewGroup container,
				Bundle savedInstanceState) {
			int page = getArguments().getInt(ARG_SECTION_NUMBER);
			if (page == 1) {
				return (new TSCreate(getActivity(), inflater, container)).Draw();
			}
			
			// TODO delete this code
			View rootView = inflater.inflate(R.layout.fragment_main_dummy,
					container, false);
			TextView dummyTextView = (TextView) rootView
					.findViewById(R.id.section_label);
			dummyTextView.setText(Integer.toString(getArguments().getInt(
					ARG_SECTION_NUMBER)));
			return rootView;
		}
	}

}
