package net.minecraft.block;

import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.properties.PropertyInteger;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.util.*;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

import java.util.*;

public class BlockRedstoneWire extends Block {
    public static final PropertyEnum NORTH = PropertyEnum.create("north", BlockRedstoneWire.EnumAttachPosition.class);
    public static final PropertyEnum EAST = PropertyEnum.create("east", BlockRedstoneWire.EnumAttachPosition.class);
    public static final PropertyEnum SOUTH = PropertyEnum.create("south", BlockRedstoneWire.EnumAttachPosition.class);
    public static final PropertyEnum WEST = PropertyEnum.create("west", BlockRedstoneWire.EnumAttachPosition.class);
    public static final PropertyInteger POWER = PropertyInteger.create("power", 0, 15);
    private boolean canProvidePower = true;
    private final Set field_150179_b = Sets.newHashSet();
    // private static final String __OBFID = "CL_00000295";

    public BlockRedstoneWire() {
        super(Material.circuits);
        this.setDefaultState(this.blockState.getBaseState().withProperty(NORTH, BlockRedstoneWire.EnumAttachPosition.NONE).withProperty(EAST, BlockRedstoneWire.EnumAttachPosition.NONE).withProperty(SOUTH, BlockRedstoneWire.EnumAttachPosition.NONE).withProperty(WEST, BlockRedstoneWire.EnumAttachPosition.NONE).withProperty(POWER, 0));
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.0625F, 1.0F);
    }

    /**
     * Get the actual Block state of this Block at the given position. This applies properties not visible in the
     * metadata, such as fence connections.
     */
    public IBlockState getActualState(IBlockState state, IBlockAccess worldIn, BlockPos pos) {
        state = state.withProperty(WEST, this.getAttachPosition(worldIn, pos, EnumFacing.WEST));
        state = state.withProperty(EAST, this.getAttachPosition(worldIn, pos, EnumFacing.EAST));
        state = state.withProperty(NORTH, this.getAttachPosition(worldIn, pos, EnumFacing.NORTH));
        state = state.withProperty(SOUTH, this.getAttachPosition(worldIn, pos, EnumFacing.SOUTH));
        return state;
    }

    private BlockRedstoneWire.EnumAttachPosition getAttachPosition(IBlockAccess p_176341_1_, BlockPos p_176341_2_, EnumFacing p_176341_3_) {
        BlockPos var4 = p_176341_2_.offset(p_176341_3_);
        Block var5 = p_176341_1_.getBlockState(p_176341_2_.offset(p_176341_3_)).getBlock();

        if (!func_176343_a(p_176341_1_.getBlockState(var4), p_176341_3_) && (var5.isSolidFullCube() || !func_176346_d(p_176341_1_.getBlockState(var4.offsetDown())))) {
            Block var6 = p_176341_1_.getBlockState(p_176341_2_.offsetUp()).getBlock();
            return !var6.isSolidFullCube() && var5.isSolidFullCube() && func_176346_d(p_176341_1_.getBlockState(var4.offsetUp())) ? BlockRedstoneWire.EnumAttachPosition.UP : BlockRedstoneWire.EnumAttachPosition.NONE;
        } else {
            return BlockRedstoneWire.EnumAttachPosition.SIDE;
        }
    }

    public AxisAlignedBB getCollisionBoundingBox(World worldIn, BlockPos pos, IBlockState state) {
        return null;
    }

    public boolean isOpaqueCube() {
        return false;
    }

    public boolean isFullCube() {
        return false;
    }

    public int colorMultiplier(IBlockAccess worldIn, BlockPos pos, int renderPass) {
        IBlockState var4 = worldIn.getBlockState(pos);
        return var4.getBlock() != this ? super.colorMultiplier(worldIn, pos, renderPass) : this.func_176337_b((Integer) var4.getValue(POWER));
    }

    public boolean canPlaceBlockAt(World worldIn, BlockPos pos) {
        return World.doesBlockHaveSolidTopSurface(worldIn, pos.offsetDown()) || worldIn.getBlockState(pos.offsetDown()).getBlock() == Blocks.glowstone;
    }

    private IBlockState updateSurroundingRedstone(World worldIn, BlockPos p_176338_2_, IBlockState p_176338_3_) {
        p_176338_3_ = this.func_176345_a(worldIn, p_176338_2_, p_176338_2_, p_176338_3_);
        ArrayList var4 = Lists.newArrayList(this.field_150179_b);
        this.field_150179_b.clear();

        for (Object o : var4) {
            BlockPos var6 = (BlockPos) o;
            worldIn.notifyNeighborsOfStateChange(var6, this);
        }

        return p_176338_3_;
    }

    private IBlockState func_176345_a(World worldIn, BlockPos p_176345_2_, BlockPos p_176345_3_, IBlockState p_176345_4_) {
        IBlockState var5 = p_176345_4_;
        int var6 = (Integer) p_176345_4_.getValue(POWER);
        byte var7 = 0;
        int var14 = this.func_176342_a(worldIn, p_176345_3_, var7);
        this.canProvidePower = false;
        int var8 = worldIn.func_175687_A(p_176345_2_);
        this.canProvidePower = true;

        if (var8 > 0 && var8 > var14 - 1) {
            var14 = var8;
        }

        int var9 = 0;

        for (Object o : EnumFacing.Plane.HORIZONTAL) {
            EnumFacing var11 = (EnumFacing) o;
            BlockPos var12 = p_176345_2_.offset(var11);
            boolean var13 = var12.getX() != p_176345_3_.getX() || var12.getZ() != p_176345_3_.getZ();

            if (var13) {
                var9 = this.func_176342_a(worldIn, var12, var9);
            }

            if (worldIn.getBlockState(var12).getBlock().isNormalCube() && !worldIn.getBlockState(p_176345_2_.offsetUp()).getBlock().isNormalCube()) {
                if (var13 && p_176345_2_.getY() >= p_176345_3_.getY()) {
                    var9 = this.func_176342_a(worldIn, var12.offsetUp(), var9);
                }
            } else if (!worldIn.getBlockState(var12).getBlock().isNormalCube() && var13 && p_176345_2_.getY() <= p_176345_3_.getY()) {
                var9 = this.func_176342_a(worldIn, var12.offsetDown(), var9);
            }
        }

        if (var9 > var14) {
            var14 = var9 - 1;
        } else if (var14 > 0) {
            --var14;
        } else {
            var14 = 0;
        }

        if (var8 > var14 - 1) {
            var14 = var8;
        }

        if (var6 != var14) {
            p_176345_4_ = p_176345_4_.withProperty(POWER, var14);

            if (worldIn.getBlockState(p_176345_2_) == var5) {
                worldIn.setBlockState(p_176345_2_, p_176345_4_, 2);
            }

            this.field_150179_b.add(p_176345_2_);
            EnumFacing[] var15 = EnumFacing.values();

            for (EnumFacing var18 : var15) {
                this.field_150179_b.add(p_176345_2_.offset(var18));
            }
        }

        return p_176345_4_;
    }

    private void func_176344_d(World worldIn, BlockPos p_176344_2_) {
        if (worldIn.getBlockState(p_176344_2_).getBlock() == this) {
            worldIn.notifyNeighborsOfStateChange(p_176344_2_, this);
            EnumFacing[] var3 = EnumFacing.values();

            for (EnumFacing var6 : var3) {
                worldIn.notifyNeighborsOfStateChange(p_176344_2_.offset(var6), this);
            }
        }
    }

    public void onBlockAdded(World worldIn, BlockPos pos, IBlockState state) {
        if (!worldIn.isRemote) {
            this.updateSurroundingRedstone(worldIn, pos, state);
            Iterator var4 = EnumFacing.Plane.VERTICAL.iterator();
            EnumFacing var5;

            while (var4.hasNext()) {
                var5 = (EnumFacing) var4.next();
                worldIn.notifyNeighborsOfStateChange(pos.offset(var5), this);
            }

            var4 = EnumFacing.Plane.HORIZONTAL.iterator();

            while (var4.hasNext()) {
                var5 = (EnumFacing) var4.next();
                this.func_176344_d(worldIn, pos.offset(var5));
            }

            var4 = EnumFacing.Plane.HORIZONTAL.iterator();

            while (var4.hasNext()) {
                var5 = (EnumFacing) var4.next();
                BlockPos var6 = pos.offset(var5);

                if (worldIn.getBlockState(var6).getBlock().isNormalCube()) {
                    this.func_176344_d(worldIn, var6.offsetUp());
                } else {
                    this.func_176344_d(worldIn, var6.offsetDown());
                }
            }
        }
    }

    public void breakBlock(World worldIn, BlockPos pos, IBlockState state) {
        super.breakBlock(worldIn, pos, state);

        if (!worldIn.isRemote) {
            EnumFacing[] var4 = EnumFacing.values();

            for (EnumFacing var7 : var4) {
                worldIn.notifyNeighborsOfStateChange(pos.offset(var7), this);
            }

            this.updateSurroundingRedstone(worldIn, pos, state);
            Iterator var8 = EnumFacing.Plane.HORIZONTAL.iterator();
            EnumFacing var9;

            while (var8.hasNext()) {
                var9 = (EnumFacing) var8.next();
                this.func_176344_d(worldIn, pos.offset(var9));
            }

            var8 = EnumFacing.Plane.HORIZONTAL.iterator();

            while (var8.hasNext()) {
                var9 = (EnumFacing) var8.next();
                BlockPos var10 = pos.offset(var9);

                if (worldIn.getBlockState(var10).getBlock().isNormalCube()) {
                    this.func_176344_d(worldIn, var10.offsetUp());
                } else {
                    this.func_176344_d(worldIn, var10.offsetDown());
                }
            }
        }
    }

    private int func_176342_a(World worldIn, BlockPos p_176342_2_, int p_176342_3_) {
        if (worldIn.getBlockState(p_176342_2_).getBlock() != this) {
            return p_176342_3_;
        } else {
            int var4 = (Integer) worldIn.getBlockState(p_176342_2_).getValue(POWER);
            return Math.max(var4, p_176342_3_);
        }
    }

    public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock) {
        if (!worldIn.isRemote) {
            if (this.canPlaceBlockAt(worldIn, pos)) {
                this.updateSurroundingRedstone(worldIn, pos, state);
            } else {
                this.dropBlockAsItem(worldIn, pos, state, 0);
                worldIn.setBlockToAir(pos);
            }
        }
    }

    /**
     * Get the Item that this Block should drop when harvested.
     *
     * @param fortune the level of the Fortune enchantment on the player's tool
     */
    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
        return Items.redstone;
    }

    public int isProvidingStrongPower(IBlockAccess worldIn, BlockPos pos, IBlockState state, EnumFacing side) {
        return !this.canProvidePower ? 0 : this.isProvidingWeakPower(worldIn, pos, state, side);
    }

    public int isProvidingWeakPower(IBlockAccess worldIn, BlockPos pos, IBlockState state, EnumFacing side) {
        if (!this.canProvidePower) {
            return 0;
        } else {
            int var5 = (Integer) state.getValue(POWER);

            if (var5 == 0) {
                return 0;
            } else if (side == EnumFacing.UP) {
                return var5;
            } else {
                EnumSet var6 = EnumSet.noneOf(EnumFacing.class);

                for (Object o : EnumFacing.Plane.HORIZONTAL) {
                    EnumFacing var8 = (EnumFacing) o;

                    if (this.func_176339_d(worldIn, pos, var8)) {
                        var6.add(var8);
                    }
                }

                if (side.getAxis().isHorizontal() && var6.isEmpty()) {
                    return var5;
                } else if (var6.contains(side) && !var6.contains(side.rotateYCCW()) && !var6.contains(side.rotateY())) {
                    return var5;
                } else {
                    return 0;
                }
            }
        }
    }

    private boolean func_176339_d(IBlockAccess p_176339_1_, BlockPos p_176339_2_, EnumFacing p_176339_3_) {
        BlockPos var4 = p_176339_2_.offset(p_176339_3_);
        IBlockState var5 = p_176339_1_.getBlockState(var4);
        Block var6 = var5.getBlock();
        boolean var7 = var6.isNormalCube();
        boolean var8 = p_176339_1_.getBlockState(p_176339_2_.offsetUp()).getBlock().isNormalCube();
        return !var8 && var7 && func_176340_e(p_176339_1_, var4.offsetUp()) || (func_176343_a(var5, p_176339_3_) || (var6 == Blocks.powered_repeater && var5.getValue(BlockRedstoneDiode.AGE) == p_176339_3_ || !var7 && func_176340_e(p_176339_1_, var4.offsetDown())));
    }

    protected static boolean func_176340_e(IBlockAccess p_176340_0_, BlockPos p_176340_1_) {
        return func_176346_d(p_176340_0_.getBlockState(p_176340_1_));
    }

    protected static boolean func_176346_d(IBlockState p_176346_0_) {
        return func_176343_a(p_176346_0_, null);
    }

    protected static boolean func_176343_a(IBlockState p_176343_0_, EnumFacing p_176343_1_) {
        Block var2 = p_176343_0_.getBlock();

        if (var2 == Blocks.redstone_wire) {
            return true;
        } else if (Blocks.unpowered_repeater.func_149907_e(var2)) {
            EnumFacing var3 = (EnumFacing) p_176343_0_.getValue(BlockRedstoneRepeater.AGE);
            return var3 == p_176343_1_ || var3.getOpposite() == p_176343_1_;
        } else {
            return var2.canProvidePower() && p_176343_1_ != null;
        }
    }

    /**
     * Can this block provide power. Only wire currently seems to have this change based on its state.
     */
    public boolean canProvidePower() {
        return this.canProvidePower;
    }

    private int func_176337_b(int p_176337_1_) {
        float var2 = (float) p_176337_1_ / 15.0F;
        float var3 = var2 * 0.6F + 0.4F;

        if (p_176337_1_ == 0) {
            var3 = 0.3F;
        }

        float var4 = var2 * var2 * 0.7F - 0.5F;
        float var5 = var2 * var2 * 0.6F - 0.7F;

        if (var4 < 0.0F) {
            var4 = 0.0F;
        }

        if (var5 < 0.0F) {
            var5 = 0.0F;
        }

        int var6 = MathHelper.clamp_int((int) (var3 * 255.0F), 0, 255);
        int var7 = MathHelper.clamp_int((int) (var4 * 255.0F), 0, 255);
        int var8 = MathHelper.clamp_int((int) (var5 * 255.0F), 0, 255);
        return -16777216 | var6 << 16 | var7 << 8 | var8;
    }

    public void randomDisplayTick(World worldIn, BlockPos pos, IBlockState state, Random rand) {
        int var5 = (Integer) state.getValue(POWER);

        if (var5 != 0) {
            double var6 = (double) pos.getX() + 0.5D + ((double) rand.nextFloat() - 0.5D) * 0.2D;
            double var8 = (float) pos.getY() + 0.0625F;
            double var10 = (double) pos.getZ() + 0.5D + ((double) rand.nextFloat() - 0.5D) * 0.2D;
            float var12 = (float) var5 / 15.0F;
            float var13 = var12 * 0.6F + 0.4F;
            float var14 = Math.max(0.0F, var12 * var12 * 0.7F - 0.5F);
            float var15 = Math.max(0.0F, var12 * var12 * 0.6F - 0.7F);
            worldIn.spawnParticle(EnumParticleTypes.REDSTONE, var6, var8, var10, var13, var14, var15);
        }
    }

    public Item getItem(World worldIn, BlockPos pos) {
        return Items.redstone;
    }

    public EnumWorldBlockLayer getBlockLayer() {
        return EnumWorldBlockLayer.CUTOUT;
    }

    /**
     * Convert the given metadata into a BlockState for this Block
     */
    public IBlockState getStateFromMeta(int meta) {
        return this.getDefaultState().withProperty(POWER, meta);
    }

    /**
     * Convert the BlockState into the correct metadata value
     */
    public int getMetaFromState(IBlockState state) {
        return (Integer) state.getValue(POWER);
    }

    protected BlockState createBlockState() {
        return new BlockState(this, NORTH, EAST, SOUTH, WEST, POWER);
    }

    enum EnumAttachPosition implements IStringSerializable {
        UP("up"),
        SIDE("side"),
        NONE("none");
        private final String field_176820_d;

        // private static final String __OBFID = "CL_00002070";

        EnumAttachPosition(String p_i45689_3_) {
            this.field_176820_d = p_i45689_3_;
        }

        public String toString() {
            return this.getName();
        }

        public String getName() {
            return this.field_176820_d;
        }
    }
}
