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);
		}
	}
}