package me.km.effects;

import me.km.KajetansMod;
import java.util.ArrayList;
import java.util.function.Consumer;
import me.km.api.Location;
import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

public class EffectBlockChanger
{
    private final World w;
    private final ArrayList<ChangeBlock> list;
    
    public EffectBlockChanger(World w)
    {
        this.w = w;
        list = new ArrayList<>();
    }
    
    public void addBlock(BlockPos pos, Block b, int s)
    {
        if(w.isAirBlock(pos))
        {
            list.add(new ChangeBlock(pos, b, s));
        }
    }
    
    public void addBlock(BlockPos pos, Block b)
    {
        addBlock(pos, b, 0);
    }
    
    public void run(int clean)
    {
        list.forEach(c -> c.run());
        KajetansMod.scheduler.scheduleTask(() -> list.forEach(c -> c.clear()), clean);
    }
    
    public World getWorld()
    {
        return w;
    }
    
    public void forEachLocation(Consumer<? super Location> c)
    {
        list.stream().map(l -> new Location(w, l.pos)).forEach(c);
    }
    
    private class ChangeBlock
    {
        private BlockPos pos;
        private IBlockState state;

        public ChangeBlock(BlockPos pos, Block b, int s)
        {
            if(s != 0)
            {
                this.state = b.getStateFromMeta(s);
            }
            else
            {
                this.state = b.getDefaultState();
            }
            this.pos = pos;
        }

        public ChangeBlock(BlockPos pos, Block b)
        {
            this(pos, b, 0);
        }

        public void run()
        {
            w.setBlockState(pos, state);
        }

        public void clear()
        {
            w.setBlockToAir(pos);
        }
    }
}