package org.hedgewars.hedgeroid;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.hedgewars.hedgeroid.Datastructures.Weaponset;
import org.hedgewars.hedgeroid.Datastructures.Weaponsets;

import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ListAdapter;
import android.widget.SimpleAdapter;
import android.widget.Toast;

public class WeaponsetListActivity extends ListActivity implements OnItemClickListener {
	private List<Weaponset> userWeaponsets;
	private Button addButton;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_weaponsetlist);
		addButton = (Button)findViewById(R.id.addButton);
		addButton.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				editWeaponset(null);
			}
		});
	}
	
	@Override
	public void onResume() {
		super.onResume();
		updateList();
		getListView().setOnItemClickListener(this);
		registerForContextMenu(getListView());
	}
	
	private List<Map<String, ?>> weaponsetsToMap(List<Weaponset> weaponsets) {
		List<Map<String, ?>> result = new ArrayList<Map<String, ?>>();
		for(Weaponset weaponset : weaponsets) {
			result.add(Collections.singletonMap("txt", weaponset.name));
		}
		return result;
	}
	
	public void onItemClick(AdapterView<?> adapterView, View v, int position, long arg3) {
		editWeaponset(userWeaponsets.get(position).name);
	}
	
	@Override
	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuinfo){
		menu.add(ContextMenu.NONE, 0, ContextMenu.NONE, R.string.edit);
		menu.add(ContextMenu.NONE, 1, ContextMenu.NONE, R.string.delete);
	}
	
	@Override
	public boolean onContextItemSelected(MenuItem item){
		AdapterView.AdapterContextMenuInfo menuInfo = (AdapterContextMenuInfo) item.getMenuInfo();
		int position = menuInfo.position;
		Weaponset weaponset = userWeaponsets.get(position);
		switch(item.getItemId()){
		case 0:
			editWeaponset(weaponset.name);
			return true;
		case 1:
			try {
				Weaponsets.deleteUserWeaponset(this, weaponset.name);
			} catch (IOException e) {
				Toast.makeText(this.getApplicationContext(), R.string.error_missing_sdcard_or_files, Toast.LENGTH_SHORT).show();
			}
			updateList();
			return true;
		}
		return false;
	}
	
	private void updateList() {
		try {
			userWeaponsets = Weaponsets.loadUserWeaponsets(this);
		} catch (IOException e) {
			Toast.makeText(this, R.string.error_missing_sdcard_or_files, Toast.LENGTH_LONG).show();
			finish();
		}
		Collections.sort(userWeaponsets, Weaponset.NAME_ORDER);
		ListAdapter adapter = new SimpleAdapter(this, weaponsetsToMap(userWeaponsets), android.R.layout.simple_list_item_1, new String[]{"txt"}, new int[]{android.R.id.text1});
		setListAdapter(adapter);
	}
	
	private void editWeaponset(String weaponsetName) {
		Intent i = new Intent(this, WeaponsetCreatorActivity.class);
		i.putExtra(WeaponsetCreatorActivity.PARAMETER_EXISTING_WEAPONSETNAME, weaponsetName);
		startActivity(i);
	}
}