package org.bukkit.entity;

import java.util.HashMap;
import java.util.Map;

import org.bukkit.entity.minecart.CommandMinecart;
import org.bukkit.entity.minecart.HopperMinecart;
import org.bukkit.entity.minecart.SpawnerMinecart;
import org.bukkit.entity.minecart.RideableMinecart;
import org.bukkit.entity.minecart.ExplosiveMinecart;
import org.bukkit.entity.minecart.PoweredMinecart;
import org.bukkit.entity.minecart.StorageMinecart;
import org.bukkit.inventory.ItemStack;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.potion.PotionEffectType;

public enum EntityType {

    // These strings MUST match the strings in nms.EntityTypes and are case sensitive.
    /**
     * An item resting on the ground.
     * <p>
     * Spawn with {@link World#dropItem(Location, ItemStack)} or {@link
     * World#dropItemNaturally(Location, ItemStack)}
     */
    DROPPED_ITEM("item", Item.class, 1, false),
    /**
     * An experience orb.
     */
    EXPERIENCE_ORB("experience_orb", ExperienceOrb.class, 2),
    /**
     * @see AreaEffectCloud
     */
    AREA_EFFECT_CLOUD("area_effect_cloud", AreaEffectCloud.class, 3),
    /**
     * @see ElderGuardian
     */
    ELDER_GUARDIAN("elder_guardian", ElderGuardian.class, 4),
    /**
     * @see WitherSkeleton
     */
    WITHER_SKELETON("wither_skeleton", WitherSkeleton.class, 5),
    /**
     * @see Stray
     */
    STRAY("stray", Stray.class, 6),
    /**
     * A flying chicken egg.
     */
    EGG("egg", Egg.class, 7),
    /**
     * A leash attached to a fencepost.
     */
    LEASH_HITCH("leash_knot", LeashHitch.class, 8),
    /**
     * A painting on a wall.
     */
    PAINTING("painting", Painting.class, 9),
    /**
     * An arrow projectile; may get stuck in the ground.
     */
    ARROW("arrow", Arrow.class, 10),
    /**
     * A flying snowball.
     */
    SNOWBALL("snowball", Snowball.class, 11),
    /**
     * A flying large fireball, as thrown by a Ghast for example.
     */
    FIREBALL("fireball", LargeFireball.class, 12),
    /**
     * A flying small fireball, such as thrown by a Blaze or player.
     */
    SMALL_FIREBALL("small_fireball", SmallFireball.class, 13),
    /**
     * A flying ender pearl.
     */
    ENDER_PEARL("ender_pearl", EnderPearl.class, 14),
    /**
     * An ender eye signal.
     */
    ENDER_SIGNAL("eye_of_ender", EnderSignal.class, 15),
    /**
     * A flying splash potion.
     */
    SPLASH_POTION("potion", SplashPotion.class, 16, false),
    /**
     * A flying experience bottle.
     */
    THROWN_EXP_BOTTLE("experience_bottle", ThrownExpBottle.class, 17),
    /**
     * An item frame on a wall.
     */
    ITEM_FRAME("item_frame", ItemFrame.class, 18),
    /**
     * A flying wither skull projectile.
     */
    WITHER_SKULL("wither_skull", WitherSkull.class, 19),
    /**
     * Primed TNT that is about to explode.
     */
    PRIMED_TNT("tnt", TNTPrimed.class, 20),
    /**
     * A block that is going to or is about to fall.
     */
    FALLING_BLOCK("falling_block", FallingBlock.class, 21, false),
    /**
     * Internal representation of a Firework once it has been launched.
     */
    FIREWORK("firework_rocket", Firework.class, 22, false),
    /**
     * @see Husk
     */
    HUSK("husk", Husk.class, 23),
    /**
     * Like {@link #TIPPED_ARROW} but causes the {@link PotionEffectType#GLOWING} effect on all team members.
     */
    SPECTRAL_ARROW("spectral_arrow", SpectralArrow.class, 24),
    /**
     * Bullet fired by {@link #SHULKER}.
     */
    SHULKER_BULLET("shulker_bullet", ShulkerBullet.class, 25),
    /**
     * Like {@link #FIREBALL} but with added effects.
     */
    DRAGON_FIREBALL("dragon_fireball", DragonFireball.class, 26),
    /**
     * @see ZombieVillager
     */
    ZOMBIE_VILLAGER("zombie_villager", ZombieVillager.class, 27),
    /**
     * @see SkeletonHorse
     */
    SKELETON_HORSE("skeleton_horse", SkeletonHorse.class, 28),
    /**
     * @see ZombieHorse
     */
    ZOMBIE_HORSE("zombie_horse", ZombieHorse.class, 29),
    /**
     * Mechanical entity with an inventory for placing weapons / armor into.
     */
    ARMOR_STAND("armor_stand", ArmorStand.class, 30),
    /**
     * @see Donkey
     */
    DONKEY("donkey", Donkey.class, 31),
    /**
     * @see Mule
     */
    MULE("mule", Mule.class, 32),
    /**
     * @see EvokerFangs
     */
    EVOKER_FANGS("evoker_fangs", EvokerFangs.class, 33),
    /**
     * @see Evoker
     */
    EVOKER("evoker", Evoker.class, 34),
    /**
     * @see Vex
     */
    VEX("vex", Vex.class, 35),
    /**
     * @see Vindicator
     */
    VINDICATOR("vindicator", Vindicator.class, 36),
    /**
     * @see Illusioner
     */
    ILLUSIONER("illusioner", Illusioner.class, 37),
    /**
     * @see CommandMinecart
     */
    MINECART_COMMAND("command_block_minecart", CommandMinecart.class, 40),
    /**
     * A placed boat.
     */
    BOAT("boat", Boat.class, 41),
    /**
     * @see RideableMinecart
     */
    MINECART("minecart", RideableMinecart.class, 42),
    /**
     * @see StorageMinecart
     */
    MINECART_CHEST("chest_minecart", StorageMinecart.class, 43),
    /**
     * @see PoweredMinecart
     */
    MINECART_FURNACE("furnace_minecart", PoweredMinecart.class, 44),
    /**
     * @see ExplosiveMinecart
     */
    MINECART_TNT("tnt_minecart", ExplosiveMinecart.class, 45),
    /**
     * @see HopperMinecart
     */
    MINECART_HOPPER("hopper_minecart", HopperMinecart.class, 46),
    /**
     * @see SpawnerMinecart
     */
    MINECART_MOB_SPAWNER("spawner_minecart", SpawnerMinecart.class, 47),
    CREEPER("creeper", Creeper.class, 50),
    SKELETON("skeleton", Skeleton.class, 51),
    SPIDER("spider", Spider.class, 52),
    GIANT("giant", Giant.class, 53),
    ZOMBIE("zombie", Zombie.class, 54),
    SLIME("slime", Slime.class, 55),
    GHAST("ghast", Ghast.class, 56),
    PIG_ZOMBIE("zombie_pigman", PigZombie.class, 57),
    ENDERMAN("enderman", Enderman.class, 58),
    CAVE_SPIDER("cave_spider", CaveSpider.class, 59),
    SILVERFISH("silverfish", Silverfish.class, 60),
    BLAZE("blaze", Blaze.class, 61),
    MAGMA_CUBE("magma_cube", MagmaCube.class, 62),
    ENDER_DRAGON("ender_dragon", EnderDragon.class, 63),
    WITHER("wither", Wither.class, 64),
    BAT("bat", Bat.class, 65),
    WITCH("witch", Witch.class, 66),
    ENDERMITE("endermite", Endermite.class, 67),
    GUARDIAN("guardian", Guardian.class, 68),
    SHULKER("shulker", Shulker.class, 69),
    PIG("pig", Pig.class, 90),
    SHEEP("sheep", Sheep.class, 91),
    COW("cow", Cow.class, 92),
    CHICKEN("chicken", Chicken.class, 93),
    SQUID("squid", Squid.class, 94),
    WOLF("wolf", Wolf.class, 95),
    MUSHROOM_COW("mooshroom", MushroomCow.class, 96),
    SNOWMAN("snow_golem", Snowman.class, 97),
    OCELOT("ocelot", Ocelot.class, 98),
    IRON_GOLEM("iron_golem", IronGolem.class, 99),
    HORSE("horse", Horse.class, 100),
    RABBIT("rabbit", Rabbit.class, 101),
    POLAR_BEAR("polar_bear", PolarBear.class, 102),
    LLAMA("llama", Llama.class, 103),
    LLAMA_SPIT("llama_spit", LlamaSpit.class, 104),
    PARROT("parrot", Parrot.class, 105),
    VILLAGER("villager", Villager.class, 120),
    ENDER_CRYSTAL("end_crystal", EnderCrystal.class, 200),
    TURTLE("turtle", Turtle.class, -1),
    PHANTOM("phantom", Phantom.class, -1),
    TRIDENT("trident", Trident.class, -1),
    COD("cod", Cod.class, -1),
    SALMON("salmon", Salmon.class, -1),
    PUFFERFISH("pufferfish", PufferFish.class, -1),
    TROPICAL_FISH("tropical_fish", TropicalFish.class, -1),
    DROWNED("drowned", Drowned.class, -1),
    DOLPHIN("dolphin", Dolphin.class, -1),
    // These don't have an entity ID in nms.EntityTypes.
    /**
     * A flying lingering potion
     */
    LINGERING_POTION(null, LingeringPotion.class, -1, false),
    /**
     * A fishing line and bobber.
     */
    FISHING_HOOK("fishing_bobber", FishHook.class, -1, false),
    /**
     * A bolt of lightning.
     * <p>
     * Spawn with {@link World#strikeLightning(Location)}.
     */
    LIGHTNING("lightning_bolt", LightningStrike.class, -1, false),
    WEATHER(null, Weather.class, -1, false),
    PLAYER("player", Player.class, -1, false),
    COMPLEX_PART(null, ComplexEntityPart.class, -1, false),
    /**
     * Like {@link #ARROW} but tipped with a specific potion which is applied on
     * contact.
     */
    TIPPED_ARROW(null, TippedArrow.class, -1),
    /**
     * An unknown entity without an Entity Class
     */
    UNKNOWN(null, null, -1, false);

    private String name;
    private Class<? extends Entity> clazz;
    private short typeId;
    private boolean independent, living;

    private static final Map<String, EntityType> NAME_MAP = new HashMap<String, EntityType>();
    private static final Map<Short, EntityType> ID_MAP = new HashMap<Short, EntityType>();

    static {
        for (EntityType type : values()) {
            if (type.name != null) {
                NAME_MAP.put(type.name.toLowerCase(java.util.Locale.ENGLISH), type);
            }
            if (type.typeId > 0) {
                ID_MAP.put(type.typeId, type);
            }
        }

        // Add legacy names
        NAME_MAP.put("xp_orb", EXPERIENCE_ORB);
        NAME_MAP.put("eye_of_ender_signal", ENDER_SIGNAL);
        NAME_MAP.put("xp_bottle", THROWN_EXP_BOTTLE);
        NAME_MAP.put("fireworks_rocket", FIREWORK);
        NAME_MAP.put("evocation_fangs", EVOKER_FANGS);
        NAME_MAP.put("evocation_illager", EVOKER);
        NAME_MAP.put("vindication_illager", VINDICATOR);
        NAME_MAP.put("illusion_illager", ILLUSIONER);
        NAME_MAP.put("commandblock_minecart", MINECART_COMMAND);
        NAME_MAP.put("snowman", SNOWMAN);
        NAME_MAP.put("villager_golem", IRON_GOLEM);
        NAME_MAP.put("ender_crystal", ENDER_CRYSTAL);
    }

    private EntityType(String name, Class<? extends Entity> clazz, int typeId) {
        this(name, clazz, typeId, true);
    }

    private EntityType(String name, Class<? extends Entity> clazz, int typeId, boolean independent) {
        this.name = name;
        this.clazz = clazz;
        this.typeId = (short) typeId;
        this.independent = independent;
        if (clazz != null) {
            this.living = LivingEntity.class.isAssignableFrom(clazz);
        }
    }

    /**
     *
     * @return the entity type's name
     * @deprecated Magic value
     */
    @Deprecated
    public String getName() {
        return name;
    }

    public Class<? extends Entity> getEntityClass() {
        return clazz;
    }

    /**
     *
     * @return the raw type id 
     * @deprecated Magic value
     */
    @Deprecated
    public short getTypeId() {
        return typeId;
    }

    /**
     *
     * @param name the entity type's name
     * @return the matching entity type or null
     * @deprecated Magic value
     */
    @Deprecated
    public static EntityType fromName(String name) {
        if (name == null) {
            return null;
        }
        return NAME_MAP.get(name.toLowerCase(java.util.Locale.ENGLISH));
    }

    /**
     *
     * @param id the raw type id
     * @return the matching entity type or null
     * @deprecated Magic value
     */
    @Deprecated
    public static EntityType fromId(int id) {
        if (id > Short.MAX_VALUE) {
            return null;
        }
        return ID_MAP.get((short) id);
    }

    /**
     * Some entities cannot be spawned using {@link
     * World#spawnEntity(Location, EntityType)} or {@link
     * World#spawn(Location, Class)}, usually because they require additional
     * information in order to spawn.
     *
     * @return False if the entity type cannot be spawned
     */
    public boolean isSpawnable() {
        return independent;
    }

    public boolean isAlive() {
        return living;
    }
}