package net.phytopia.mod.biome.features;

import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.block.BlockSapling;
import net.minecraft.block.material.Material;
import net.minecraft.init.Blocks;
import net.minecraft.util.Direction;
import net.minecraft.world.World;
import net.minecraft.world.gen.feature.WorldGenAbstractTree;
import net.minecraftforge.common.util.ForgeDirection;
import net.phytopia.mod.Phytopia;

public class WorldGenWeirwoodTree extends WorldGenAbstractTree {

	public WorldGenWeirwoodTree() {
		super(false);
	}

	@Override
	public boolean generate(World world, Random random, int x, int y, int z) {

		while (world.isAirBlock(x,  y, z) && y >2) {
			y--;
		}

		Block block = world.getBlock(x, y, z);

		if (block != Blocks.grass && block != Blocks.dirt) {
			return false;
		}else{
			for (int i = -2; i <= 2; i++){
				for (int j = -2; j <= 2; j++) {
					if (world.isAirBlock(x + i, y - 1, z + j) && world.isAirBlock(x + i, y - 2, z +j) && !world.isAirBlock(x + i, y, z + j)) {
						return false;
					}
				}
			}

			int baselength = 4 + random.nextInt(6);
			int branches = 2 + random.nextInt(4);

			int h = 1;

			block.onPlantGrow(world, x, y - 1, z, z, y, z);

			for (int i = 0; i < baselength; i++) {
				buildBlock(world, x, y + h, z, Phytopia.blockLog, 0);
				h++;
			}

			int c = 1;
			for (int i = 0; i < branches; i++) {
				generateBranch(world, random, x, y + h, z, c);
				c++;
				h+=2;
			}

			generateTop(world, x, y + h, z);
			return true;
		}

	}

	public void generateTop(World world, int x, int y, int z) {
		for (int i = -1; i <2; i++) {
			for (int j = -1; j < 2; j++) {
				buildBlock(world, x + i, y, z + j, Phytopia.blockLeaf, 0);
			}
		}
		buildBlock(world, x, y + 1, z, Phytopia.blockLog, 0);
		buildBlock(world, x + 1, y + 1, z, Phytopia.blockLeaf, 0);
		buildBlock(world, x - 1, y + 1, z, Phytopia.blockLeaf, 0);
		buildBlock(world, x, y + 1, z - 1, Phytopia.blockLeaf, 0);
		buildBlock(world, x, y + 1, z + 1, Phytopia.blockLeaf, 0);
		buildBlock(world, x, y + 2, z, Phytopia.blockLeaf, 0);


	}

	public void generateBranch(World world, Random random, int x, int y, int z, int p) {
		for (int i = -1; i < 2; i++) {
			for (int j = -1; j < 2; j++) {
				buildBlock(world, x + i, y, z + j, Phytopia.blockLeaf, 0);
			}
		}
		buildBlock(world, x + 1, y + 1, z, Phytopia.blockLeaf, 0);
		buildBlock(world, x - 1, y + 1, z, Phytopia.blockLeaf, 0);
		buildBlock(world, x, y + 1, z - 1, Phytopia.blockLeaf, 0);
		buildBlock(world, x, y + 1, z + 1, Phytopia.blockLeaf, 0);
		buildBlock(world, x, y, z, Phytopia.blockLog, 0);
		buildBlock(world, x, y + 1, z, Phytopia.blockLog, 0);
	}

	public void buildBlock(World world, int x, int y, int z, Block block, int meta) {
		if (world.isAirBlock(x, y, z) || world.getBlock(x,  y, z).isLeaves(world, x, y, z)) {
			world.setBlock(x,  y,  z,  block, meta, 2);
		}

	}
}