package ryuslash.org.dvdroid;

import java.util.List;

import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;

public class DVDroidActivity extends ListActivity
    implements ActionMode.Callback
{
    private DVDDataSource datasource;
    private Intent add_dvd;
    private int saved_position = 0;
    private ActionMode mode;

    private List<DVD> getData()
    {
        return datasource.getCollection();
    }

    @Override
    protected void onActivityResult(int requestCode,
                                    int resultCode,
                                    Intent data)
    {
        super.onActivityResult(requestCode, resultCode, data);

        if (requestCode == 2) {
            add_dvd.putExtra(SQLiteHelper.COLUMN_ID, 0l);

            if (mode != null)
                mode.finish();
        }

        datasource.open();
        reloadList();
    }

    @Override
    public boolean onActionItemClicked(ActionMode mode, MenuItem item)
    {
        ArrayAdapter<DVD> adapter = (ArrayAdapter<DVD>) getListAdapter();
        DVD dvd = adapter.getItem(saved_position);

        switch (item.getItemId()) {
        case R.id.main_context_menu_edit:
            showEditDVD(dvd.getId());
            return true;

        case R.id.main_context_menu_delete:
            datasource.deleteDVD(dvd.getId());
            reloadList();

            if (mode != null)
                mode.finish();

            return true;
        }

        return false;
    }

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        datasource = new DVDDataSource(this);
        datasource.open();

        List<DVD> values = getData();

        ArrayAdapter<DVD> adapter =
            new ArrayAdapter<DVD>(this,
                                  android.R.layout.simple_list_item_1,
                                  values);
        setListAdapter(adapter);

        add_dvd = new Intent(this, AddDVDActivity.class);
    }

    @Override
    public boolean onCreateActionMode(ActionMode mode, Menu menu)
    {
        MenuInflater inflater = mode.getMenuInflater();
        inflater.inflate(R.menu.main_context_menu, menu);
        return true;
    }

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

    @Override
    public void onDestroyActionMode(ActionMode mode)
    {
        saved_position = 0;
    }

    @Override
    public void onListItemClick(ListView l, View v, int pos, long id)
    {
        saved_position = pos;
        mode = startActionMode(this);
        v.setSelected(true);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
        switch (item.getItemId()) {
        case R.id.main_menu_add:
            showAddDVD();
            return true;
        }

        return false;
    }

    @Override
    protected void onPause()
    {
        datasource.close();
        super.onPause();
    }

    @Override
    public boolean onPrepareActionMode(ActionMode mode, Menu menu)
    {
        return false;
    }

    @Override
    protected void onResume()
    {
        datasource.open();
        super.onResume();
    }

    private void reloadList()
    {
        ArrayAdapter<DVD> adapter = (ArrayAdapter<DVD>)getListAdapter();
        List<DVD> dvds = getData();

        adapter.clear();
        adapter.addAll(dvds);
        adapter.notifyDataSetChanged();
    }

    public void showAddDVD()
    {
        datasource.close();
        startActivityForResult(add_dvd, 1);
    }

    public void showEditDVD(long id)
    {
        datasource.close();
        add_dvd.putExtra(SQLiteHelper.COLUMN_ID, id);
        startActivityForResult(add_dvd, 2);
    }
}