/*
 * This file ("OreGen.java") is part of the Actually Additions Mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://github.com/Ellpeck/ActuallyAdditions/blob/master/README.md
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015 Ellpeck
 */

package ellpeck.actuallyadditions.gen;

import cpw.mods.fml.common.IWorldGenerator;
import cpw.mods.fml.common.registry.GameRegistry;
import ellpeck.actuallyadditions.blocks.InitBlocks;
import ellpeck.actuallyadditions.blocks.metalists.TheMiscBlocks;
import ellpeck.actuallyadditions.config.values.ConfigBoolValues;
import ellpeck.actuallyadditions.config.values.ConfigIntValues;
import ellpeck.actuallyadditions.util.ModUtil;
import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.WorldType;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenMinable;

import java.util.Random;

public class OreGen implements IWorldGenerator{

    @Override
    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator, IChunkProvider chunkProvider){
        if(world.provider.terrainType == WorldType.FLAT) return;

        switch(world.provider.dimensionId){
            case -1:
                generateNether(world, random, chunkX*16, chunkZ*16);
                //case 0:
                //   generateSurface(world, random, chunkX*16, chunkZ*16);
            case 1:
                generateEnd(world, random, chunkX*16, chunkZ*16);
            default:
                generateSurface(world, random, chunkX*16, chunkZ*16);
        }
    }

    @SuppressWarnings("unused")
    private void generateEnd(World world, Random random, int x, int z){

    }

    private void generateSurface(World world, Random random, int x, int z){
        if(ConfigBoolValues.GENERATE_QUARTZ.isEnabled()){
            this.addOreSpawn(InitBlocks.blockMisc, TheMiscBlocks.ORE_QUARTZ.ordinal(), Blocks.stone, world, random, x, z, MathHelper.getRandomIntegerInRange(random, ConfigIntValues.BLACK_QUARTZ_BASE_AMOUNT.getValue(), ConfigIntValues.BLACK_QUARTZ_ADD_CHANCE.getValue()), ConfigIntValues.BLACK_QUARTZ_CHANCE.getValue(), ConfigIntValues.BLACK_QUARTZ_MIN_HEIGHT.getValue(), ConfigIntValues.BLACK_QUARTZ_MAX_HEIGHT.getValue());
        }
    }

    @SuppressWarnings("unused")
    private void generateNether(World world, Random random, int x, int z){

    }

    public void addOreSpawn(Block block, int meta, Block blockIn, World world, Random random, int blockXPos, int blockZPos, int maxVeinSize, int chancesToSpawn, int minY, int maxY){
        if(maxY > minY){
            int yDiff = maxY-minY;
            for(int i = 0; i < chancesToSpawn; i++){
                int posX = blockXPos+random.nextInt(16);
                int posY = minY+random.nextInt(yDiff);
                int posZ = blockZPos+random.nextInt(16);
                new WorldGenMinable(block, meta, maxVeinSize, blockIn).generate(world, random, posX, posY, posZ);
            }
        }
        else{
            ModUtil.LOGGER.fatal("Couldn't generate '"+block.getUnlocalizedName()+"' into the world because the Min Y coordinate is bigger than the Max! This is definitely a Config Error! Check the Files!");
        }
    }

    public static void init(){
        ModUtil.LOGGER.info("Registering World Generator...");
        GameRegistry.registerWorldGenerator(new OreGen(), 10);
    }
}