/*
 * Pixel Dungeon
 * Copyright (C) 2012-2015 Oleg Dolya
 *
 * Shattered Pixel Dungeon
 * Copyright (C) 2014-2026 Evan Debenham
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>
 */

package com.shatteredpixel.shatteredpixeldungeon.levels.rooms.connection;

import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
import com.shatteredpixel.shatteredpixeldungeon.levels.rooms.Room;
import com.watabou.utils.Random;
import com.watabou.utils.Reflection;

import java.util.ArrayList;

public abstract class ConnectionRoom extends Room {
	
	@Override
	public int minWidth() { return 3; }
	public int maxWidth() { return 10; }
	
	@Override
	public int minHeight() { return 3; }
	public int maxHeight() { return 10; }
	
	@Override
	public int minConnections(int direction) {
		if (direction == ALL)   return 2;
		else                    return 0;
	}
	
	//FIXME this is a very messy way of handing variable connection rooms
	private static ArrayList<Class<?extends ConnectionRoom>> rooms = new ArrayList<>();
	static {
		rooms.add(TunnelRoom.class);
		rooms.add(BridgeRoom.class);
		
		rooms.add(PerimeterRoom.class);
		rooms.add(WalkwayRoom.class);
		
		rooms.add(RingTunnelRoom.class);
		rooms.add(RingBridgeRoom.class);
	}
	
	private static float[][] chances = new float[27][];
	static {
		chances[1] =  new float[]{20, 1,    0, 2,       2, 1};
		chances[4] =  chances[3] = chances[2] = chances[1];
		chances[5] =  new float[]{20, 0,    0, 0,       0, 0};
		
		chances[6] =  new float[]{0, 0,     22, 3,      0, 0};
		chances[10] = chances[9] = chances[8] = chances[7] = chances[6];
		
		chances[11] = new float[]{12, 0,    0, 5,       5, 3};
		chances[15] = chances[14] = chances[13] = chances[12] = chances[11];
		
		chances[16] = new float[]{0, 0,     18, 3,      3, 1};
		chances[20] = chances[19] = chances[18] = chances[17] = chances[16];
		
		chances[21] = chances[5];
		
		chances[22] = new float[]{15, 4,    0, 2,       3, 2};
		chances[26] = chances[25] = chances[24] = chances[23] = chances[22];
	}
	
	public static ConnectionRoom createRoom(){
		return Reflection.newInstance(rooms.get(Random.chances(chances[Dungeon.depth])));
	}
}
