/*
 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
 * Copyright (c) 2011-2012 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.io.FileInputStream;
import java.io.IOException;

import org.hedgewars.hedgeroid.Downloader.DownloadAssets;
import org.hedgewars.hedgeroid.Downloader.DownloadListActivity;
import org.hedgewars.hedgeroid.frontlib.Flib;
import org.hedgewars.hedgeroid.netplay.LobbyActivity;
import org.hedgewars.hedgeroid.netplay.Netplay;
import org.hedgewars.hedgeroid.netplay.Netplay.State;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.content.LocalBroadcastManager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends FragmentActivity {
	private static final int DIALOG_NO_SDCARD = 0;
	
	private LocalBroadcastManager broadcastManager;
	private ProgressDialog assetsDialog;

	public void onCreate(Bundle sis){
		super.onCreate(sis);
		setContentView(R.layout.main);

		broadcastManager = LocalBroadcastManager.getInstance(getApplicationContext());
		Button startLocalGame = (Button)findViewById(R.id.startGame);
		Button startNetGame = (Button)findViewById(R.id.joinLobby);

		startLocalGame.setOnClickListener(startGameListener);
		startNetGame.setOnClickListener(startNetGameListener);

		if(!Utils.isDataPathAvailable()){
			showDialog(DIALOG_NO_SDCARD);
		} else {
			String existingVersion = "";
			try {
				File versionFile = new File(Utils.getCachePath(this), "assetsversion.txt");
				existingVersion = Utils.readToString(new FileInputStream(versionFile));
			} catch(IOException e) {
			}
			
			String newVersion = "";
			try {
				newVersion = Utils.readToString(getAssets().open("assetsversion.txt"));
			} catch(IOException e) {
			}
			
			if(!existingVersion.equals(newVersion)) {
				DownloadAssets assetsAsyncTask = new DownloadAssets(this);
				assetsDialog = ProgressDialog.show(this, "Please wait a moment", "Moving assets to SD card...");
				assetsAsyncTask.execute();
			}
		}
	}

	@Override
	protected void onResume() {
		super.onResume();
		broadcastManager.registerReceiver(connectedReceiver, new IntentFilter(Netplay.ACTION_CONNECTED));
		broadcastManager.registerReceiver(connectionFailedReceiver, new IntentFilter(Netplay.ACTION_DISCONNECTED));
		broadcastManager.registerReceiver(passwordRequestedReceiver, new IntentFilter(Netplay.ACTION_PASSWORD_REQUESTED));
	}
	
	@Override
	protected void onPause() {
		super.onPause();
		broadcastManager.unregisterReceiver(connectedReceiver);
		broadcastManager.unregisterReceiver(connectionFailedReceiver);
		broadcastManager.unregisterReceiver(passwordRequestedReceiver);
		Netplay netplay = Netplay.getAppInstance(getApplicationContext());
		if(netplay.getState() == State.CONNECTING) {
			netplay.disconnect();
		}
	}
	
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		super.onCreateOptionsMenu(menu);
		getMenuInflater().inflate(R.menu.main_options, menu);
		return true;
	}
	
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch(item.getItemId()) {
		case R.id.download:
			startActivityForResult(new Intent(getApplicationContext(), DownloadListActivity.class), 0);
			return true;
		case R.id.preferences:
			Toast.makeText(this, R.string.not_implemented_yet, Toast.LENGTH_SHORT).show();
			return true;
		default:
			return super.onOptionsItemSelected(item);
		}
	}
	
	@Override
	protected void onStart() {
		super.onStart();
		Netplay.getAppInstance(getApplicationContext()).requestFastTicks();
	}
	
	@Override
	protected void onStop() {
		super.onStop();
		Netplay.getAppInstance(getApplicationContext()).unrequestFastTicks();
	}
	
	public Dialog onCreateDialog(int id, Bundle args){
		switch(id) {
		case DIALOG_NO_SDCARD:
			return createNoSdcardDialog();
		default:
			throw new IndexOutOfBoundsException();
		}
	}

	private Dialog createNoSdcardDialog() {
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		builder.setTitle(R.string.sdcard_not_mounted_title);
		builder.setMessage(R.string.sdcard_not_mounted);
		builder.setNegativeButton(android.R.string.ok, new DialogInterface.OnClickListener(){
			public void onClick(DialogInterface dialog, int which) {
				finish();				
			}
		});

		return builder.create();
	}
	
	public void onAssetsDownloaded(boolean result){
		if(!result){
			Toast.makeText(this, R.string.download_failed, Toast.LENGTH_LONG).show();
		}
		assetsDialog.dismiss();
	}

	private final OnClickListener startGameListener = new OnClickListener(){
		public void onClick(View v){
			startActivity(new Intent(getApplicationContext(), StartGameActivity.class));
		}
	};
	
	private final OnClickListener startNetGameListener = new OnClickListener() {
		public void onClick(View v) {
			State state = Netplay.getAppInstance(getApplicationContext()).getState();
			switch(state) {
			case NOT_CONNECTED:
		        FragmentManager fm = getSupportFragmentManager();
		        StartNetgameDialog startNetgameDialog = new StartNetgameDialog();
		        startNetgameDialog.show(fm, "start_netgame_dialog");
				break;
			case CONNECTING:
				onNetConnectingStarted();
				break;
			default:
				startActivity(new Intent(getApplicationContext(), LobbyActivity.class));
				break;
			}
		}
	};
	
	private BroadcastReceiver connectedReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
			startActivity(new Intent(getApplicationContext(), LobbyActivity.class));
		}
	};
	
	private BroadcastReceiver connectionFailedReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
			if(intent.getBooleanExtra(Netplay.EXTRA_HAS_ERROR, true)) {
				Toast.makeText(getApplicationContext(), intent.getStringExtra(Netplay.EXTRA_MESSAGE), Toast.LENGTH_LONG).show();
			}
		}
	};
	
	private BroadcastReceiver passwordRequestedReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
	        FragmentManager fm = getSupportFragmentManager();
	        PasswordDialog passwordDialog = new PasswordDialog(intent.getStringExtra(Netplay.EXTRA_PLAYERNAME));
	        passwordDialog.show(fm, "fragment_password_dialog");
		}
	};

	public void onNetConnectingStarted() {
        FragmentManager fm = getSupportFragmentManager();
        ConnectingDialog connectingDialog = new ConnectingDialog();
        connectingDialog.show(fm, "fragment_connecting_dialog");
	}
}