/*

 * 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.Datastructures;

import java.io.File;

import java.io.FileNotFoundException;

import java.util.ArrayList;

import java.util.Collections;

import java.util.HashMap;

import java.util.List;

import org.hedgewars.hedgeroid.R;

import org.hedgewars.hedgeroid.Utils;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

public class FrontendDataUtils {

	/**

	 * @throws FileNotFoundException if the sdcard isn't available or the Maps directory doesn't exist

	 */

	public static ArrayList<MapFile> getMaps(Context c) throws FileNotFoundException {

		File[] files = Utils.getFilesFromRelativeDir(c,"Maps");

		ArrayList<MapFile> ret = new ArrayList<MapFile>();

		for(File f : files) {

			boolean isMission = Utils.hasFileWithSuffix(f, ".lua");

			ret.add(new MapFile(f.getName(), isMission));

		}

		Collections.sort(ret, MapFile.MISSIONS_FIRST_NAME_ORDER);

		return ret;

	}

	/**

	 * Returns a list of all multiplayer scripts (game styles)

	 * @throws FileNotFoundException if the sdcard isn't available or the Scripts/Multiplayer directory doesn't exist

	 */

	public static List<String> getGameStyles(Context c) throws FileNotFoundException {

		File[] files = Utils.getFilesFromRelativeDir(c, "Scripts/Multiplayer");

		ArrayList<String> ret = new ArrayList<String>();

		/*

		 * Caution: It is important that the "empty" style has this exact name, because

		 * it will be interpreted as "don't load a script" by the frontlib, and also by

		 * the QtFrontend in a netgame. This should probably be improved some time

		 * (maybe TODO add a dummy script called "Normal" to the MP scripts?) 

		 */

		ret.add("Normal");

		for(int i = 0; i < files.length; i++) {

			String name = files[i].getName();

			if(name.endsWith(".lua")){

				//replace _ by a space and removed the last four characters (.lua)

				ret.add(name.replace('_', ' ').substring(0, name.length()-4));

			}

		}

		Collections.sort(ret, String.CASE_INSENSITIVE_ORDER);

		return ret;

	}

	/**

	 * @throws FileNotFoundException if the sdcard isn't available or the Themes directory doesn't exist

	 */

	public static List<String> getThemes(Context c) throws FileNotFoundException {

		List<String> list = Utils.getDirsWithFileSuffix(c, "Themes", "icon.png");

		Collections.sort(list, String.CASE_INSENSITIVE_ORDER);

		return list;

	}

	public static List<Weaponset> getWeaponsets(Context c) {

		// TODO stub, re-implement

		/*List<Weapon> list = Weapon.getWeapons(c);

		Collections.sort(list);*/

		return Collections.emptyList();

	}

	/**

	 * @throws FileNotFoundException if the sdcard isn't available or the Graphics/Graves directory doesn't exist

	 */

	public static ArrayList<HashMap<String, ?>> getGraves(Context c) throws FileNotFoundException {

		File gravePath = new File(new File(Utils.getDataPathFile(c), "Graphics"), "Graves");

		ArrayList<String> names = Utils.getFileNamesFromDirWithSuffix(c,"Graphics/Graves", ".png", true);

		ArrayList<HashMap<String, ?>> data = new ArrayList<HashMap<String, ?>>(names.size());

		for(String s : names){

			HashMap<String, Object> map = new HashMap<String, Object>();

			map.put("txt", s);

			Bitmap b = BitmapFactory.decodeFile(new File(gravePath, s + ".png").getAbsolutePath());

			int width = b.getWidth();

			if(b.getHeight() > width){//some pictures contain more 'frames' underneath each other, if so we only use the first frame

                                Bitmap tmp = Bitmap.createBitmap(width, width, b.getConfig());

                                int[] pixels = new int[width * width];

                                b.getPixels(pixels, 0,width,0,0,width,width);

				tmp.setPixels(pixels,0,width,0,0,width,width);

                                b.recycle();

				b = tmp;

			}

			map.put("img", b);

			data.add(map);

		}

		return data;

	}

	/**

	 * @throws FileNotFoundException if the sdcard isn't available or the Graphics/Graves directory doesn't exist

	 */

	public static ArrayList<HashMap<String, ?>> getFlags(Context c) throws FileNotFoundException {

		File flagsPath = new File(new File(Utils.getDataPathFile(c), "Graphics"), "Flags");

		ArrayList<String> names = Utils.getFileNamesFromDirWithSuffix(c, "Graphics/Flags", ".png", true);

		ArrayList<HashMap<String, ?>> data = new ArrayList<HashMap<String, ?>>(names.size());

		for(String s : names){

			HashMap<String, Object> map = new HashMap<String, Object>();

			map.put("txt", s);

			Bitmap b = BitmapFactory.decodeFile(new File(flagsPath, s + ".png").getAbsolutePath());

			map.put("img", b);

			data.add(map);

		}

		return data;

	}

	/**

	 * @throws FileNotFoundException if the sdcard isn't available or the Sounds/voices directory doesn't exist

	 */

	public static ArrayList<String> getVoices(Context c) throws FileNotFoundException {

		File[] files = Utils.getFilesFromRelativeDir(c, "Sounds/voices");

		ArrayList<String> ret = new ArrayList<String>();

		for(File f : files){

			if(f.isDirectory()) ret.add(f.getName());

		}

		return ret;

	}

	/**

	 * @throws FileNotFoundException if the sdcard isn't available or the Forts directory doesn't exist

	 */

	public static ArrayList<String> getForts(Context c) throws FileNotFoundException {

		return Utils.getFileNamesFromDirWithSuffix(c,"Forts", "L.png", true);

	}

	// TODO wat

	public static ArrayList<HashMap<String, ?>> getTypes(Context c){

		ArrayList<HashMap<String, ?>> data = new ArrayList<HashMap<String, ?>>(6);

		String[] levels = {c.getString(R.string.human), c.getString(R.string.bot5), c.getString(R.string.bot4), c.getString(R.string.bot3), c.getString(R.string.bot2), c.getString(R.string.bot1)};

		int[] images = {R.drawable.human, R.drawable.bot5, R.drawable.bot4, R.drawable.bot3, R.drawable.bot2, R.drawable.bot1};

		for(int i = 0; i < levels.length; i++){

			HashMap<String, Object> map = new HashMap<String, Object>();

			map.put("txt", levels[i]);

			map.put("img", images[i]);

			data.add(map);

		}

		return data;

	}

	/**

	 * @throws FileNotFoundException if the sdcard isn't available or the Graphics/Hats directory doesn't exist

	 */

	public static ArrayList<HashMap<String, ?>> getHats(Context c) throws FileNotFoundException {

		ArrayList<String> files = Utils.getFileNamesFromDirWithSuffix(c,"Graphics/Hats", ".png", true);

		File hatsPath = new File(new File(Utils.getDataPathFile(c), "Graphics"), "Hats");

		int size = files.size();

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

		HashMap<String, Object> hashmap; 

		for(String s : files){

			hashmap = new HashMap<String, Object>();

			hashmap.put("txt", s);

			Bitmap b = BitmapFactory.decodeFile(new File(hatsPath, s + ".png").getAbsolutePath());

			b = Bitmap.createBitmap(b, 0,0,b.getWidth()/2, b.getWidth()/2);

			hashmap.put("img", b);

			data.add(hashmap);

		}

		return data;

	}

	public static List<Team> getTeams(Context c) {

		List<Team> ret = new ArrayList<Team>();

		File teamsDir = new File(c.getFilesDir(), Team.DIRECTORY_TEAMS);

		File[] teamFileNames = teamsDir.listFiles();

		if(teamFileNames != null){

			for(File file : teamFileNames){

				Team team = Team.load(file);

				if(team != null){

					ret.add(team);

				}

			}

		}

		return ret;

	}

}