package org.hedgewars.mobile;

import java.io.File;

import java.util.ArrayList;

import java.util.HashMap;

import org.hedgewars.mobile.EngineProtocol.FrontendDataUtils;

import org.hedgewars.mobile.EngineProtocol.Team;

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.ListView;

import android.widget.SimpleAdapter;

public class TeamSelectionActivity extends Activity{

	private ImageButton addTeam, back;

	private ListView availableTeams, selectedTeams;

	private ArrayList<HashMap<String, ?>> availableTeamsList, selectedTeamsList;

	private int minTeams = 2;

	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);

		addTeam.setOnClickListener(addTeamClicker);

		back.setOnClickListener(backClicker);

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

		availableTeamsList = FrontendDataUtils.getTeams(this);

		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);

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

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

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

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

		for(HashMap<String, ?> hashmap : availableTeamsList){

			for(Team t : teamsStartGame){

				if(((Team)hashmap.get("team")).equals(t)){

					toBeRemoved.add(hashmap);

					selectedTeamsList.add(hashmap);

				}

			}

		}

		for(HashMap<String, ?> hashmap : toBeRemoved) availableTeamsList.remove(hashmap);

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

		selectedTeams.setAdapter(adapter);

		selectedTeams.setOnItemClickListener(selectedClicker);

	}

	public void onBackPressed(){

		returnTeams();

		super.onBackPressed();

	}

	private OnClickListener addTeamClicker = new OnClickListener(){

		public void onClick(View v) {

			startActivity(new Intent(TeamSelectionActivity.this, TeamCreatorActivity.class));

		}

	};

	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, ?>) selectedTeamsList.get(position));

			selectedTeamsList.remove(position);

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

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

		}

	};

	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

			availableTeamsList.remove(position);

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

			File f = new File(String.format("%s/%s/%s.xml", TeamSelectionActivity.this.getFilesDir(), Team.DIRECTORY_TEAMS, availableTeamsList.get(position).get("txt")));

			f.delete();

			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);

			startActivity(i);

			return true;

		}

		return false;

	}

	private void selectAvailableTeamsItem(int position){

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

		availableTeamsList.remove(position);

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

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

	}

	private void returnTeams(){

		int teamsCount = selectedTeamsList.size();

		if(teamsCount >= minTeams){

			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);

		}else{

			setResult(Activity.RESULT_CANCELED);

		}

	}

}