package net.minecraft.block;

import java.util.Random;
import net.minecraft.block.material.MapColor;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.NonNullList;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public abstract class BlockWoodSlab extends BlockSlab
{
    public static final PropertyEnum<BlockPlanks.EnumType> VARIANT = PropertyEnum.<BlockPlanks.EnumType>create("variant", BlockPlanks.EnumType.class);

    public BlockWoodSlab()
    {
        super(Material.WOOD);
        IBlockState iblockstate = this.blockState.getBaseState();

        if (!this.isDouble())
        {
            iblockstate = iblockstate.withProperty(HALF, BlockSlab.EnumBlockHalf.BOTTOM);
        }

        this.setDefaultState(iblockstate.withProperty(VARIANT, BlockPlanks.EnumType.OAK));
        this.setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
    }

    /**
     * Get the MapColor for this Block and the given BlockState
     * @deprecated call via {@link IBlockState#getMapColor(IBlockAccess,BlockPos)} whenever possible.
     * Implementing/overriding is fine.
     */
    public MapColor getMapColor(IBlockState state, IBlockAccess worldIn, BlockPos pos)
    {
        return ((BlockPlanks.EnumType)state.getValue(VARIANT)).getMapColor();
    }

    /**
     * Get the Item that this Block should drop when harvested.
     */
    public Item getItemDropped(IBlockState state, Random rand, int fortune)
    {
        return Item.getItemFromBlock(Blocks.WOODEN_SLAB);
    }

    public ItemStack getItem(World worldIn, BlockPos pos, IBlockState state)
    {
        return new ItemStack(Blocks.WOODEN_SLAB, 1, ((BlockPlanks.EnumType)state.getValue(VARIANT)).getMetadata());
    }

    /**
     * Returns the slab block name with the type associated with it
     */
    public String getUnlocalizedName(int meta)
    {
        return super.getUnlocalizedName() + "." + BlockPlanks.EnumType.byMetadata(meta).getUnlocalizedName();
    }

    public IProperty<?> getVariantProperty()
    {
        return VARIANT;
    }

    public Comparable<?> getTypeForItem(ItemStack stack)
    {
        return BlockPlanks.EnumType.byMetadata(stack.getMetadata() & 7);
    }

    /**
     * returns a list of blocks with the same ID, but different meta (eg: wood returns 4 blocks)
     */
    public void getSubBlocks(CreativeTabs itemIn, NonNullList<ItemStack> items)
    {
        for (BlockPlanks.EnumType blockplanks$enumtype : BlockPlanks.EnumType.values())
        {
            items.add(new ItemStack(this, 1, blockplanks$enumtype.getMetadata()));
        }
    }

    /**
     * Convert the given metadata into a BlockState for this Block
     */
    public IBlockState getStateFromMeta(int meta)
    {
        IBlockState iblockstate = this.getDefaultState().withProperty(VARIANT, BlockPlanks.EnumType.byMetadata(meta & 7));

        if (!this.isDouble())
        {
            iblockstate = iblockstate.withProperty(HALF, (meta & 8) == 0 ? BlockSlab.EnumBlockHalf.BOTTOM : BlockSlab.EnumBlockHalf.TOP);
        }

        return iblockstate;
    }

    /**
     * Convert the BlockState into the correct metadata value
     */
    public int getMetaFromState(IBlockState state)
    {
        int i = 0;
        i = i | ((BlockPlanks.EnumType)state.getValue(VARIANT)).getMetadata();

        if (!this.isDouble() && state.getValue(HALF) == BlockSlab.EnumBlockHalf.TOP)
        {
            i |= 8;
        }

        return i;
    }

    protected BlockStateContainer createBlockState()
    {
        return this.isDouble() ? new BlockStateContainer(this, new IProperty[] {VARIANT}) : new BlockStateContainer(this, new IProperty[] {HALF, VARIANT});
    }

    /**
     * Gets the metadata of the item this Block can drop. This method is called when the block gets destroyed. It
     * returns the metadata of the dropped item based on the old metadata of the block.
     */
    public int damageDropped(IBlockState state)
    {
        return ((BlockPlanks.EnumType)state.getValue(VARIANT)).getMetadata();
    }
}
