package me.TheBukor.effects;

import javax.annotation.Nullable;

import org.bukkit.Location;
import org.bukkit.event.Event;
import org.bukkit.inventory.ItemStack;

import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.bukkit.BukkitUtil;
import com.sk89q.worldedit.function.pattern.BlockPattern;
import com.sk89q.worldedit.function.pattern.RandomPattern;
import com.sk89q.worldedit.patterns.Pattern;

import ch.njol.skript.lang.Effect;
import ch.njol.skript.lang.Expression;
import ch.njol.skript.lang.SkriptParser.ParseResult;
import ch.njol.util.Kleenean;

@SuppressWarnings("deprecation")
public class EffDrawLineWE extends Effect {
	private Expression<Location> location1;
	private Expression<Location> location2;
	private Expression<EditSession> editSession;
	private Expression<ItemStack> blockList;
	private Expression<Double> thickness;
	private boolean filled = true;

	@SuppressWarnings("unchecked")
	@Override
	public boolean init(Expression<?>[] expr, int matchedPattern, Kleenean arg2, ParseResult result) {
		location1 = (Expression<Location>) expr[0];
		location2 = (Expression<Location>) expr[1];
		editSession = (Expression<EditSession>) expr[2];
		blockList = (Expression<ItemStack>) expr[3];
		thickness = (Expression<Double>) expr[4];
		if (result.mark == 1) filled = false;
		return true;
	}

	@Override
	public String toString(@Nullable Event e, boolean arg1) {
		return "draw a line from " + location1.toString(e, false) + " to " + location2.toString(e, false) + " using an edit session with " + blockList.toString(e, false) + " and thickness " + thickness.toString(e, false);
	}

	@Override
	protected void execute(Event e) {
		Location pos1 = location1.getSingle(e);
		Location pos2 = location2.getSingle(e);
		EditSession session = editSession.getSingle(e);
		ItemStack[] blocks = blockList.getAll(e);
		Double thick = thickness.getSingle(e);
		RandomPattern random = new RandomPattern();
		for (ItemStack b : blocks) {
			if (b.getType().isBlock()) {
				try {
					random.add(new BlockPattern(BukkitUtil.toBlock(BukkitUtil.getLocalWorld(pos1.getWorld()), b)), 50);
				} catch (WorldEditException ex) {
					ex.printStackTrace();
				}
			}
		}
		try {
			session.drawLine((Pattern) random, BukkitUtil.toVector(pos1), BukkitUtil.toVector(pos2), thick, filled);
			session.flushQueue();
		} catch (MaxChangedBlocksException ex) {
			return;
		}
	}
}