package halestormxv.eAngelus.main.world;

import java.util.Random;

import halestormxv.eAngelus.main.init.eAngelusBlocks;
import halestormxv.eAngelus.main.world.Structures.generateKnightAlter;
import halestormxv.eAngelus.main.world.Structures.generateChariotAlter;
import net.minecraft.block.state.pattern.BlockMatcher;
import net.minecraft.init.Blocks;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkGenerator;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenMinable;
import net.minecraft.world.gen.feature.WorldGenerator;
import net.minecraftforge.fml.common.IWorldGenerator;

public class E_AngWorldGen implements IWorldGenerator
{
    //World Generators
    private WorldGenerator gen_AngelicOre;
    private WorldGenerator gen_AzureiteOre;
    private WorldGenerator gen_DemonicOre;
    private WorldGenerator gen_MystalCite;
    private WorldGenerator gen_SerpentineOre;
    private WorldGenerator gen_TopazOre;
    private WorldGenerator gen_KnightAlter;

    public E_AngWorldGen()
    {
        gen_AngelicOre = new WorldGenMinable(eAngelusBlocks.angelicOre.getDefaultState(), 4, BlockMatcher.forBlock(Blocks.STONE));
        gen_AzureiteOre = new WorldGenMinable(eAngelusBlocks.azureite_Ore.getDefaultState(), 4, BlockMatcher.forBlock(Blocks.STONE));
        gen_DemonicOre = new WorldGenMinable(eAngelusBlocks.demonicOre.getDefaultState(), 4, BlockMatcher.forBlock(Blocks.STONE));
        gen_MystalCite = new WorldGenMinable(eAngelusBlocks.mystalCite.getDefaultState(), 5, BlockMatcher.forBlock(Blocks.STONE));
        gen_SerpentineOre = new WorldGenMinable(eAngelusBlocks.serpentine_Ore.getDefaultState(), 3, BlockMatcher.forBlock(Blocks.STONE));
        gen_TopazOre = new WorldGenMinable(eAngelusBlocks.topazOre.getDefaultState(), 6, BlockMatcher.forBlock(Blocks.STONE));
    }

    private void runGenerator(WorldGenerator generator, World world, Random rand, int chunk_X, int chunk_Z, int chancesToSpawn, int minHeight, int maxHeight) {
        if (minHeight < 0 || maxHeight > 256 || minHeight > maxHeight)
            throw new IllegalArgumentException("Illegal Height Arguments for WorldGenerator");

        int heightDiff = maxHeight - minHeight + 1;
        for (int i = 0; i < chancesToSpawn; i ++) {
            int x = chunk_X * 16 + rand.nextInt(16);
            int y = minHeight + rand.nextInt(heightDiff);
            int z = chunk_Z * 16 + rand.nextInt(16);
            generator.generate(world, rand, new BlockPos(x, y, z));
        }
    }

    private void generateChariotAlterSpawn(World world, Random rand, int chunk_X, int chunk_Z, int chancesToSpawn, int minHeight, int maxHeight)
    {
        if (minHeight < 0 || maxHeight > 256 || minHeight > maxHeight)
            throw new IllegalArgumentException("Illegal Height Arguments for WorldGenerator");

        if (rand.nextInt(70) == 1)
        {
            for (int i = 0; i <= chancesToSpawn; i++)
            {
                int randPosX = chunk_X * 16 + rand.nextInt(16);
                int randPosY = 60 + rand.nextInt(255 - 64);
                int randPosZ = chunk_Z * 16 + rand.nextInt(16);
                BlockPos position = new BlockPos(randPosX, randPosY, randPosZ);
                if (!(world.getBlockState(world.getTopSolidOrLiquidBlock(position)).getBlock().equals(Blocks.WATER)))
                    new generateChariotAlter(world.getTopSolidOrLiquidBlock(position), world);
            }
        }
    }

    @Override
    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator, IChunkProvider chunkProvider)
    {
        switch (world.provider.getDimension())
        {
        case 0: //Overworld
            //Chances to Spawn, Min Height, Max Height
            this.runGenerator(this.gen_AngelicOre, world, random, chunkX, chunkZ, 8, 72, 128);
            this.runGenerator(this.gen_AzureiteOre, world, random, chunkX, chunkZ, 12, 24, 128);
            this.runGenerator(this.gen_DemonicOre, world, random, chunkX, chunkZ, 8, 8, 16);
            this.runGenerator(this.gen_MystalCite, world, random, chunkX, chunkZ, 10, 12, 128);
            this.runGenerator(this.gen_SerpentineOre, world, random, chunkX, chunkZ, 13, 12, 48);
            this.runGenerator(this.gen_TopazOre, world, random, chunkX, chunkZ, 16, 12, 128);
            this.generateChariotAlterSpawn(world, random, chunkX, chunkZ, 1, 72, 128);
            break;
        case -1: //Nether
            break;

        case 1: //End
            break;

        default:
            break;
        }

    }
}