/*

 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game

 * Copyright (c) 2011 Richard Deurwaarder <xeli@xelification.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; version 2 of the License

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 */

package org.hedgewars.hedgeroid;

import java.io.File;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.os.Parcelable;

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.ImageButton;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.RelativeLayout;

import android.widget.SimpleAdapter;

import android.widget.SimpleAdapter.ViewBinder;

import android.widget.TextView;

public class TeamSelectionActivity extends Activity implements Runnable{

	private static final int ACTIVITY_TEAMCREATION = 0;

	private ImageButton addTeam, back;

	private ListView availableTeams, selectedTeams;

	private List<HashMap<String, Object>> availableTeamsList, selectedTeamsList;

	private TextView txtInfo;

	public void onCreate(Bundle savedInstanceState){

		super.onCreate(savedInstanceState);

		setContentView(R.layout.team_selector);

		addTeam = (ImageButton) findViewById(R.id.btnAdd);

		back = (ImageButton) findViewById(R.id.btnBack);

		txtInfo = (TextView) findViewById(R.id.txtInfo);

		selectedTeams = (ListView) findViewById(R.id.selectedTeams);

		availableTeams = (ListView) findViewById(R.id.availableTeams);

		addTeam.setOnClickListener(addTeamClicker);

		back.setOnClickListener(backClicker);

		availableTeamsList = new ArrayList<HashMap<String, Object>>();

		SimpleAdapter adapter = new SimpleAdapter(this, availableTeamsList, R.layout.team_selection_entry_simple, new String[]{"txt", "img"}, new int[]{R.id.txtName, R.id.imgDifficulty});

		availableTeams.setAdapter(adapter);

		availableTeams.setOnItemClickListener(availableClicker);

		registerForContextMenu(availableTeams);

		selectedTeamsList = new ArrayList<HashMap<String, Object>>();

		adapter = new SimpleAdapter(this, selectedTeamsList, R.layout.team_selection_entry, new String[]{"txt", "img", "color", "count"}, new int[]{R.id.txtName, R.id.imgDifficulty, R.id.teamColor, R.id.teamCount});

		adapter.setViewBinder(viewBinder);

		selectedTeams.setAdapter(adapter);

		selectedTeams.setOnItemClickListener(selectedClicker);

		txtInfo.setText(String.format(getResources().getString(R.string.teams_info_template), selectedTeams.getChildCount()));

		new Thread(this).start();//load the teams from xml async

	}

	public void run(){

		List<HashMap<String, Object>> teamsList = FrontendDataUtils.getTeams(this);//teams from xml

		ArrayList<Team> teamsStartGame = getIntent().getParcelableArrayListExtra("teams");//possible selected teams

		for(HashMap<String, Object> hashmap : teamsList){

			boolean added = false;

			for(Team t : teamsStartGame){

				if(((Team)hashmap.get("team")).equals(t)){//add to available or add to selected

					selectedTeamsList.add(FrontendDataUtils.teamToMap(t));//create a new hashmap to ensure all variables are entered into the map

					added = true;

					break;

				}

			}

			if(!added) availableTeamsList.add(hashmap);

		}

		this.runOnUiThread(new Runnable(){

			public void run() {

				((SimpleAdapter)selectedTeams.getAdapter()).notifyDataSetChanged();

				((SimpleAdapter)availableTeams.getAdapter()).notifyDataSetChanged();		

			}

		});

	}

	private ViewBinder viewBinder = new ViewBinder(){

		public boolean setViewValue(View view, Object data,	String textRepresentation) {

			switch(view.getId()){

			case R.id.teamColor:

				setTeamColor(view, (Integer)data);

				return true;

			case R.id.teamCount:

				setTeamHogCount((ImageView)view, (Integer)data);

				return true;

			default:

				return false;

			}

		}

	};

	public void onActivityResult(int requestCode, int resultCode, Intent data){

		if(requestCode == ACTIVITY_TEAMCREATION){

			if(resultCode == Activity.RESULT_OK){

				updateListViews();

			}

		}else{

			super.onActivityResult(requestCode, resultCode, data);

		}

	}

	/*

	 * Updates the list view when TeamCreationActivity is shutdown and the user returns to this point

	 */

	private void updateListViews(){

		unregisterForContextMenu(availableTeams);

		availableTeamsList = FrontendDataUtils.getTeams(this);

		ArrayList<HashMap<String, Object>> toBeRemoved = new ArrayList<HashMap<String, Object>>();

		for(HashMap<String, Object> hashmap : selectedTeamsList){

			String name = (String)hashmap.get("txt");

			for(HashMap<String, Object> hash : availableTeamsList){

				if(name.equals((String)hash.get("txt"))){

					toBeRemoved.add(hash);

				}

			}

		}

		for(HashMap<String, Object> hash: toBeRemoved) availableTeamsList.remove(hash);

		SimpleAdapter adapter = new SimpleAdapter(this, availableTeamsList, R.layout.team_selection_entry, new String[]{"txt", "img"}, new int[]{R.id.txtName, R.id.imgDifficulty});

		availableTeams.setAdapter(adapter);

		registerForContextMenu(availableTeams);

		availableTeams.setOnItemClickListener(availableClicker);

	}

	private void setTeamColor(int position, int color){

		View iv = ((RelativeLayout)selectedTeams.getChildAt(position)).findViewById(R.id.teamCount);

		setTeamColor(iv, color);

	}

	private void setTeamColor(View iv, int color){

		iv.setBackgroundColor(0xFF000000 + color);

	}

	private void setTeamHogCount(int position, int count){

		ImageView iv = (ImageView)((RelativeLayout)selectedTeams.getChildAt(position)).findViewById(R.id.teamCount);

		setTeamHogCount(iv, count);

	}

	private void setTeamHogCount(ImageView iv, int count){

		switch(count){

		case 0:

			iv.setImageResource(R.drawable.teamcount0);

			break;

		case 1:

			iv.setImageResource(R.drawable.teamcount1);

			break;

		case 2:

			iv.setImageResource(R.drawable.teamcount2);

			break;

		case 3:

			iv.setImageResource(R.drawable.teamcount3);

			break;

		case 4:

			iv.setImageResource(R.drawable.teamcount4);

			break;

		case 5:

			iv.setImageResource(R.drawable.teamcount5);

			break;

		case 6:

			iv.setImageResource(R.drawable.teamcount6);

			break;

		case 7:

			iv.setImageResource(R.drawable.teamcount7);

			break;

		case 8:

			iv.setImageResource(R.drawable.teamcount8);

			break;

		case 9:

			iv.setImageResource(R.drawable.teamcount9);

			break;

		}

	}

	public void onBackPressed(){

		returnTeams();

		super.onBackPressed();

	}

	private OnClickListener addTeamClicker = new OnClickListener(){

		public void onClick(View v) {

			startActivityForResult(new Intent(TeamSelectionActivity.this, TeamCreatorActivity.class), ACTIVITY_TEAMCREATION);

		}

	};

	private OnClickListener backClicker = new OnClickListener(){

		public void onClick(View v){

			returnTeams();

			finish();

		}

	};

	private OnItemClickListener availableClicker = new OnItemClickListener(){

		public void onItemClick(AdapterView<?> arg0, View arg1, int position,long arg3) {

			selectAvailableTeamsItem(position);

		}

	};

	private OnItemClickListener selectedClicker = new OnItemClickListener(){

		public void onItemClick(AdapterView<?> arg0, View arg1, int position,long arg3) {

			availableTeamsList.add((HashMap<String, Object>) selectedTeamsList.get(position));

			selectedTeamsList.remove(position);

			((SimpleAdapter)availableTeams.getAdapter()).notifyDataSetChanged();

			((SimpleAdapter)selectedTeams.getAdapter()).notifyDataSetChanged();

			txtInfo.setText(String.format(getResources().getString(R.string.teams_info_template), selectedTeamsList.size()));

		}

	};

	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuinfo){

		menu.add(ContextMenu.NONE, 0, ContextMenu.NONE, R.string.select);

		menu.add(ContextMenu.NONE, 2, ContextMenu.NONE, R.string.edit);

		menu.add(ContextMenu.NONE, 1, ContextMenu.NONE, R.string.delete);

	}

	public boolean onContextItemSelected(MenuItem item){

		AdapterView.AdapterContextMenuInfo menuInfo = (AdapterContextMenuInfo) item.getMenuInfo();

		int position = menuInfo.position;

		switch(item.getItemId()){

		case 0://select

			selectAvailableTeamsItem(position);

			return true;

		case 1://delete

			Team team = (Team)availableTeamsList.get(position).get("team");

			File f = new File(String.format("%s/%s/%s", TeamSelectionActivity.this.getFilesDir(), Team.DIRECTORY_TEAMS, team.file));

			f.delete();

			availableTeamsList.remove(position);

			((SimpleAdapter)availableTeams.getAdapter()).notifyDataSetChanged();

			return true;

		case 2://edit

			Intent i = new Intent(TeamSelectionActivity.this, TeamCreatorActivity.class);

			Team t = (Team)availableTeamsList.get(position).get("team");

			i.putExtra("team", t);

			startActivityForResult(i, ACTIVITY_TEAMCREATION);

			return true;

		}

		return false;

	}

	private void selectAvailableTeamsItem(int position){

		HashMap<String, Object> hash = (HashMap<String, Object>) availableTeamsList.get(position);

		Team t = (Team)hash.get("team");

		int[] illegalcolors = new int[selectedTeamsList.size()];

		for(int i = 0; i < selectedTeamsList.size(); i++){

			illegalcolors[i] = ((Team)selectedTeamsList.get(i).get("team")).color;

		}

		t.setRandomColor(illegalcolors);

		hash.put("color", t.color);

		hash.put("count", t.hogCount);

		selectedTeamsList.add(hash);

		availableTeamsList.remove(position);

		((SimpleAdapter)availableTeams.getAdapter()).notifyDataSetChanged();

		((SimpleAdapter)selectedTeams.getAdapter()).notifyDataSetChanged();

		txtInfo.setText(String.format(getResources().getString(R.string.teams_info_template), selectedTeamsList.size()));

	}

	private void returnTeams(){

		int teamsCount = selectedTeamsList.size();

		Intent i = new Intent();

		Parcelable[] teams = new Parcelable[teamsCount];

		for(int x = 0 ; x < teamsCount; x++){

			teams[x] = (Team)selectedTeamsList.get(x).get("team");

		}

		i.putExtra("teams", teams);

		setResult(Activity.RESULT_OK, i);

	}

}