/*

 * 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.util.Arrays;

import java.util.UUID;

import org.hedgewars.hedgeroid.R;

import org.hedgewars.hedgeroid.frontlib.Frontlib;

import android.content.res.Resources;

public final class MapRecipe {

	public static final String MAPNAME_REGULAR = "+rnd+";

	public static final String MAPNAME_MAZE = "+maze+";

	public static final String MAPNAME_DRAWN = "+drawn+";

	public final int mapgen;			// Frontlib.MAPGEN_xxx

	public final int templateFilter;	// Frontlib.TEMPLATEFILTER_xxx, only used when mapgen==MAPGEN_REGULAR

	public final int mazeSize;			// Frontlib.MAZE_SIZE_xxx, only used when mapgen==MAPGEN_MAZE

	public final String name, seed, theme;

	private final byte[] drawData;		// For drawn maps, can be null.

	public MapRecipe(int mapgen, int templateFilter, int mazeSize, String name, String seed, String theme, byte[] drawData) {

		this.mapgen = mapgen;

		this.templateFilter = templateFilter;

		this.mazeSize = mazeSize;

		this.name = name;

		this.seed = seed;

		this.theme = theme;

		this.drawData = drawData==null ? null : drawData.clone();

	}

	public static MapRecipe makeMap(String name, String seed, String theme) {

		return new MapRecipe(Frontlib.MAPGEN_NAMED, 0, 0, name, seed, theme, null);

	}

	public static MapRecipe makeRandomMap(int templateFilter, String seed, String theme) {

		return new MapRecipe(Frontlib.MAPGEN_REGULAR, templateFilter, 0, MAPNAME_REGULAR, seed, theme, null);

	}

	public static MapRecipe makeRandomMaze(int mazeSize, String seed, String theme) {

		return new MapRecipe(Frontlib.MAPGEN_MAZE, 0, mazeSize, MAPNAME_MAZE, seed, theme, null);

	}

	public static MapRecipe makeDrawnMap(String seed, String theme, byte[] drawData) {

		return new MapRecipe(Frontlib.MAPGEN_DRAWN, 0, 0, MAPNAME_DRAWN, seed, theme, drawData);

	}

	public byte[] getDrawData() {

		return drawData==null ? null : drawData.clone();

	}

	public MapRecipe withMapgen(int mapgen) {

		return new MapRecipe(mapgen, templateFilter, mazeSize, name, seed, theme, drawData);

	}

	public MapRecipe withTemplateFilter(int templateFilter) {

		return new MapRecipe(mapgen, templateFilter, mazeSize, name, seed, theme, drawData);

	}

	public MapRecipe withMazeSize(int mazeSize) {

		return new MapRecipe(mapgen, templateFilter, mazeSize, name, seed, theme, drawData);

	}

	public MapRecipe withName(String name) {

		return new MapRecipe(mapgen, templateFilter, mazeSize, name, seed, theme, drawData);

	}

	public MapRecipe withSeed(String seed) {

		return new MapRecipe(mapgen, templateFilter, mazeSize, name, seed, theme, drawData);

	}

	public MapRecipe withTheme(String theme) {

		return new MapRecipe(mapgen, templateFilter, mazeSize, name, seed, theme, drawData);

	}

	public MapRecipe withDrawData(byte[] drawData) {

		return new MapRecipe(mapgen, templateFilter, mazeSize, name, seed, theme, drawData);

	}

	public static String formatMapName(Resources res, String map) {

		if(map.charAt(0)=='+') {

			if(map.equals(MAPNAME_REGULAR)) {

				return res.getString(R.string.map_regular);

			} else if(map.equals(MAPNAME_MAZE)) {

				return res.getString(R.string.map_maze);

			} else if(map.equals(MAPNAME_DRAWN)) {

				return res.getString(R.string.map_drawn);

			}

		}

		return map;

	}

	/**

	 * Returns the mapname corresponding to the map generator (e.g. "+rnd+" for regular maps)

	 * If the mapgen does not have a unique name (MAPGEN_NAMED) or is not known, the def

	 * value is returned.

	 */

	public static String mapnameForGenerator(int mapgen, String def) {

		switch(mapgen) {

		case Frontlib.MAPGEN_REGULAR: return MAPNAME_REGULAR;

		case Frontlib.MAPGEN_MAZE: return MAPNAME_MAZE;

		case Frontlib.MAPGEN_DRAWN: return MAPNAME_DRAWN;

		default: return def;

		}

	}

	/**

	 * In a sense this is the inverse of mapnameForGenerator. Returns the mapgen that uses

	 * mapName as special identifier, or MAPGEN_NAMED if there is none.

	 */

	public static int generatorForMapname(String mapName) {

		if(MapRecipe.MAPNAME_REGULAR.equals(mapName)) {

			return Frontlib.MAPGEN_REGULAR;

		} else if(MapRecipe.MAPNAME_MAZE.equals(mapName)) {

			return Frontlib.MAPGEN_MAZE;

		} else if(MapRecipe.MAPNAME_DRAWN.equals(mapName)) {

			return Frontlib.MAPGEN_DRAWN;

		} else {

			return Frontlib.MAPGEN_NAMED;

		}

	}

	@Override

	public String toString() {

		return "MapRecipe [mapgen=" + mapgen + ", templateFilter="

				+ templateFilter + ", mazeSize=" + mazeSize + ", name=" + name

				+ ", seed=" + seed + ", theme=" + theme + ", drawData="

				+ Arrays.toString(drawData) + "]";

	}

	@Override

	public int hashCode() {

		final int prime = 31;

		int result = 1;

		result = prime * result + Arrays.hashCode(drawData);

		result = prime * result + mapgen;

		result = prime * result + mazeSize;

		result = prime * result + ((name == null) ? 0 : name.hashCode());

		result = prime * result + ((seed == null) ? 0 : seed.hashCode());

		result = prime * result + templateFilter;

		result = prime * result + ((theme == null) ? 0 : theme.hashCode());

		return result;

	}

	@Override

	public boolean equals(Object obj) {

		if (this == obj)

			return true;

		if (obj == null)

			return false;

		if (getClass() != obj.getClass())

			return false;

		MapRecipe other = (MapRecipe) obj;

		if (!Arrays.equals(drawData, other.drawData))

			return false;

		if (mapgen != other.mapgen)

			return false;

		if (mazeSize != other.mazeSize)

			return false;

		if (name == null) {

			if (other.name != null)

				return false;

		} else if (!name.equals(other.name))

			return false;

		if (seed == null) {

			if (other.seed != null)

				return false;

		} else if (!seed.equals(other.seed))

			return false;

		if (templateFilter != other.templateFilter)

			return false;

		if (theme == null) {

			if (other.theme != null)

				return false;

		} else if (!theme.equals(other.theme))

			return false;

		return true;

	}

	public static String makeRandomSeed() {

		return "{"+UUID.randomUUID().toString()+"}";

	}

}