package net.minecraft.entity.monster;

import java.util.Calendar;
import net.minecraft.block.Block;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityCreature;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.EntityLivingData;
import net.minecraft.entity.EnumCreatureAttribute;
import net.minecraft.entity.IRangedAttackMob;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.EntityAIArrowAttack;
import net.minecraft.entity.ai.EntityAIAttackOnCollide;
import net.minecraft.entity.ai.EntityAIFleeSun;
import net.minecraft.entity.ai.EntityAIHurtByTarget;
import net.minecraft.entity.ai.EntityAILookIdle;
import net.minecraft.entity.ai.EntityAINearestAttackableTarget;
import net.minecraft.entity.ai.EntityAIRestrictSun;
import net.minecraft.entity.ai.EntityAISwimming;
import net.minecraft.entity.ai.EntityAIWander;
import net.minecraft.entity.ai.EntityAIWatchClosest;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.stats.AchievementList;
import net.minecraft.util.DamageSource;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.WorldProviderHell;

public class EntitySkeleton extends EntityMob implements IRangedAttackMob
{
    private EntityAIArrowAttack aiArrowAttack = new EntityAIArrowAttack(this, 1.0D, 20, 60, 15.0F);
    private EntityAIAttackOnCollide aiAttackOnCollide = new EntityAIAttackOnCollide(this, EntityPlayer.class, 1.2D, false);

    public EntitySkeleton(World par1World)
    {
        super(par1World);
        this.tasks.addTask(1, new EntityAISwimming(this));
        this.tasks.addTask(2, new EntityAIRestrictSun(this));
        this.tasks.addTask(3, new EntityAIFleeSun(this, 1.0D));
        this.tasks.addTask(5, new EntityAIWander(this, 1.0D));
        this.tasks.addTask(6, new EntityAIWatchClosest(this, EntityPlayer.class, 8.0F));
        this.tasks.addTask(6, new EntityAILookIdle(this));
        this.targetTasks.addTask(1, new EntityAIHurtByTarget(this, false));
        this.targetTasks.addTask(2, new EntityAINearestAttackableTarget(this, EntityPlayer.class, 0, true));

        if (par1World != null && !par1World.isRemote)
        {
            this.setCombatTask();
        }
    }

    protected void applyEntityAttributes()
    {
        super.applyEntityAttributes();
        this.getEntityAttribute(SharedMonsterAttributes.movementSpeed).setAttribute(0.25D);
    }

    protected void entityInit()
    {
        super.entityInit();
        this.dataWatcher.addObject(13, new Byte((byte)0));
    }

    /**
     * Returns true if the newer Entity AI code should be run
     */
    public boolean isAIEnabled()
    {
        return true;
    }

    /**
     * Returns the sound this mob makes while it's alive.
     */
    protected String getLivingSound()
    {
        return "mob.skeleton.say";
    }

    /**
     * Returns the sound this mob makes when it is hurt.
     */
    protected String getHurtSound()
    {
        return "mob.skeleton.hurt";
    }

    /**
     * Returns the sound this mob makes on death.
     */
    protected String getDeathSound()
    {
        return "mob.skeleton.death";
    }

    /**
     * Plays step sound at given x, y, z for the entity
     */
    protected void playStepSound(int par1, int par2, int par3, int par4)
    {
        this.playSound("mob.skeleton.step", 0.15F, 1.0F);
    }

    public boolean attackEntityAsMob(Entity par1Entity)
    {
        if (super.attackEntityAsMob(par1Entity))
        {
            if (this.getSkeletonType() == 1 && par1Entity instanceof EntityLivingBase)
            {
                ((EntityLivingBase)par1Entity).addPotionEffect(new PotionEffect(Potion.wither.id, 200));
            }

            return true;
        }
        else
        {
            return false;
        }
    }

    /**
     * Get this Entity's EnumCreatureAttribute
     */
    public EnumCreatureAttribute getCreatureAttribute()
    {
        return EnumCreatureAttribute.UNDEAD;
    }

    /**
     * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
     * use this to react to sunlight and start to burn.
     */
    public void onLivingUpdate()
    {
        if (this.worldObj.isDaytime() && !this.worldObj.isRemote)
        {
            float f = this.getBrightness(1.0F);

            if (f > 0.5F && this.rand.nextFloat() * 30.0F < (f - 0.4F) * 2.0F && this.worldObj.canBlockSeeTheSky(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ)))
            {
                boolean flag = true;
                ItemStack itemstack = this.getCurrentItemOrArmor(4);

                if (itemstack != null)
                {
                    if (itemstack.isItemStackDamageable())
                    {
                        itemstack.setItemDamage(itemstack.getItemDamageForDisplay() + this.rand.nextInt(2));

                        if (itemstack.getItemDamageForDisplay() >= itemstack.getMaxDamage())
                        {
                            this.renderBrokenItemStack(itemstack);
                            this.setCurrentItemOrArmor(4, (ItemStack)null);
                        }
                    }

                    flag = false;
                }

                if (flag)
                {
                    this.setFire(8);
                }
            }
        }

        if (this.worldObj.isRemote && this.getSkeletonType() == 1)
        {
            this.setSize(0.72F, 2.34F);
        }

        super.onLivingUpdate();
    }

    /**
     * Handles updating while being ridden by an entity
     */
    public void updateRidden()
    {
        super.updateRidden();

        if (this.ridingEntity instanceof EntityCreature)
        {
            EntityCreature entitycreature = (EntityCreature)this.ridingEntity;
            this.renderYawOffset = entitycreature.renderYawOffset;
        }
    }

    /**
     * Called when the mob's health reaches 0.
     */
    public void onDeath(DamageSource par1DamageSource)
    {
        super.onDeath(par1DamageSource);

        if (par1DamageSource.getSourceOfDamage() instanceof EntityArrow && par1DamageSource.getEntity() instanceof EntityPlayer)
        {
            EntityPlayer entityplayer = (EntityPlayer)par1DamageSource.getEntity();
            double d0 = entityplayer.posX - this.posX;
            double d1 = entityplayer.posZ - this.posZ;

            if (d0 * d0 + d1 * d1 >= 2500.0D)
            {
                entityplayer.triggerAchievement(AchievementList.snipeSkeleton);
            }
        }
    }

    /**
     * Returns the item ID for the item the mob drops on death.
     */
    protected int getDropItemId()
    {
        return Item.arrow.itemID;
    }

    /**
     * Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param
     * par2 - Level of Looting used to kill this mob.
     */
    protected void dropFewItems(boolean par1, int par2)
    {
        int j;
        int k;

        if (this.getSkeletonType() == 1)
        {
            j = this.rand.nextInt(3 + par2) - 1;

            for (k = 0; k < j; ++k)
            {
                this.dropItem(Item.coal.itemID, 1);
            }
        }
        else
        {
            j = this.rand.nextInt(3 + par2);

            for (k = 0; k < j; ++k)
            {
                this.dropItem(Item.arrow.itemID, 1);
            }
        }

        j = this.rand.nextInt(3 + par2);

        for (k = 0; k < j; ++k)
        {
            this.dropItem(Item.bone.itemID, 1);
        }
    }

    protected void dropRareDrop(int par1)
    {
        if (this.getSkeletonType() == 1)
        {
            this.entityDropItem(new ItemStack(Item.skull.itemID, 1, 1), 0.0F);
        }
    }

    /**
     * Makes entity wear random armor based on difficulty
     */
    protected void addRandomArmor()
    {
        super.addRandomArmor();
        this.setCurrentItemOrArmor(0, new ItemStack(Item.bow));
    }

    public EntityLivingData onSpawnWithEgg(EntityLivingData par1EntityLivingData)
    {
        par1EntityLivingData = super.onSpawnWithEgg(par1EntityLivingData);

        if (this.worldObj.provider instanceof WorldProviderHell && this.getRNG().nextInt(5) > 0)
        {
            this.tasks.addTask(4, this.aiAttackOnCollide);
            this.setSkeletonType(1);
            this.setCurrentItemOrArmor(0, new ItemStack(Item.swordStone));
            this.getEntityAttribute(SharedMonsterAttributes.attackDamage).setAttribute(4.0D);
        }
        else
        {
            this.tasks.addTask(4, this.aiArrowAttack);
            this.addRandomArmor();
            this.enchantEquipment();
        }

        this.setCanPickUpLoot(this.rand.nextFloat() < 0.55F * this.worldObj.getLocationTensionFactor(this.posX, this.posY, this.posZ));

        if (this.getCurrentItemOrArmor(4) == null)
        {
            Calendar calendar = this.worldObj.getCurrentDate();

            if (calendar.get(2) + 1 == 10 && calendar.get(5) == 31 && this.rand.nextFloat() < 0.25F)
            {
                this.setCurrentItemOrArmor(4, new ItemStack(this.rand.nextFloat() < 0.1F ? Block.pumpkinLantern : Block.pumpkin));
                this.equipmentDropChances[4] = 0.0F;
            }
        }

        return par1EntityLivingData;
    }

    /**
     * sets this entity's combat AI.
     */
    public void setCombatTask()
    {
        this.tasks.removeTask(this.aiAttackOnCollide);
        this.tasks.removeTask(this.aiArrowAttack);
        ItemStack itemstack = this.getHeldItem();

        if (itemstack != null && itemstack.itemID == Item.bow.itemID)
        {
            this.tasks.addTask(4, this.aiArrowAttack);
        }
        else
        {
            this.tasks.addTask(4, this.aiAttackOnCollide);
        }
    }

    /**
     * Attack the specified entity using a ranged attack.
     */
    public void attackEntityWithRangedAttack(EntityLivingBase par1EntityLivingBase, float par2)
    {
        EntityArrow entityarrow = new EntityArrow(this.worldObj, this, par1EntityLivingBase, 1.6F, (float)(14 - this.worldObj.difficultySetting * 4));
        int i = EnchantmentHelper.getEnchantmentLevel(Enchantment.power.effectId, this.getHeldItem());
        int j = EnchantmentHelper.getEnchantmentLevel(Enchantment.punch.effectId, this.getHeldItem());
        entityarrow.setDamage((double)(par2 * 2.0F) + this.rand.nextGaussian() * 0.25D + (double)((float)this.worldObj.difficultySetting * 0.11F));

        if (i > 0)
        {
            entityarrow.setDamage(entityarrow.getDamage() + (double)i * 0.5D + 0.5D);
        }

        if (j > 0)
        {
            entityarrow.setKnockbackStrength(j);
        }

        if (EnchantmentHelper.getEnchantmentLevel(Enchantment.flame.effectId, this.getHeldItem()) > 0 || this.getSkeletonType() == 1)
        {
            entityarrow.setFire(100);
        }

        this.playSound("random.bow", 1.0F, 1.0F / (this.getRNG().nextFloat() * 0.4F + 0.8F));
        this.worldObj.spawnEntityInWorld(entityarrow);
    }

    /**
     * Return this skeleton's type.
     */
    public int getSkeletonType()
    {
        return this.dataWatcher.getWatchableObjectByte(13);
    }

    /**
     * Set this skeleton's type.
     */
    public void setSkeletonType(int par1)
    {
        this.dataWatcher.updateObject(13, Byte.valueOf((byte)par1));
        this.isImmuneToFire = par1 == 1;

        if (par1 == 1)
        {
            this.setSize(0.72F, 2.34F);
        }
        else
        {
            this.setSize(0.6F, 1.8F);
        }
    }

    /**
     * (abstract) Protected helper method to read subclass entity data from NBT.
     */
    public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
    {
        super.readEntityFromNBT(par1NBTTagCompound);

        if (par1NBTTagCompound.hasKey("SkeletonType"))
        {
            byte b0 = par1NBTTagCompound.getByte("SkeletonType");
            this.setSkeletonType(b0);
        }

        this.setCombatTask();
    }

    /**
     * (abstract) Protected helper method to write subclass entity data to NBT.
     */
    public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
    {
        super.writeEntityToNBT(par1NBTTagCompound);
        par1NBTTagCompound.setByte("SkeletonType", (byte)this.getSkeletonType());
    }

    /**
     * Sets the held item, or an armor slot. Slot 0 is held item. Slot 1-4 is armor. Params: Item, slot
     */
    public void setCurrentItemOrArmor(int par1, ItemStack par2ItemStack)
    {
        super.setCurrentItemOrArmor(par1, par2ItemStack);

        if (!this.worldObj.isRemote && par1 == 0)
        {
            this.setCombatTask();
        }
    }

    /**
     * Returns the Y Offset of this entity.
     */
    public double getYOffset()
    {
        return super.getYOffset() - 0.5D;
    }
}
