package noppes.npcs.scripted.entity;

import kamkeel.npcs.entity.EntityEnergyProjectile;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import noppes.npcs.api.entity.IEnergyProjectile;
import noppes.npcs.api.entity.IEntity;
import noppes.npcs.api.entity.IEntityLivingBase;
import noppes.npcs.EventHooks;
import noppes.npcs.scripted.constants.EntityType;

public class ScriptEnergyProjectile<T extends EntityEnergyProjectile> extends ScriptEnergyAbility<T> implements IEnergyProjectile {

    public ScriptEnergyProjectile(T entity) {
        super(entity);
    }

    // ==================== TYPE ====================

    @Override
    public int getType() {
        return EntityType.ENERGY_PROJECTILE;
    }

    @Override
    public boolean typeOf(int type) {
        return type == EntityType.ENERGY_PROJECTILE || super.typeOf(type);
    }

    public int getEnergyType() {
        return -1;
    }

    // ==================== OWNER & TARGET ====================

    public void setOwner(IEntity owner) {
        if (owner != null) {
            entity.setOwnerEntityId(owner.getMCEntity().getEntityId());
        }
    }

    public int getTargetEntityId() {
        return entity.getTargetEntityId();
    }

    public IEntity getTarget() {
        return entity.getTarget();
    }

    public void setTarget(IEntity target) {
        if (target != null) {
            entity.setTargetEntityId(target.getMCEntity().getEntityId());
        } else {
            entity.setTargetEntityId(-1);
        }
    }

    // ==================== SIZE ====================

    public float getSize() {
        return entity.getSize();
    }

    public void setSize(float size) {
        entity.setProjectileSize(size);
    }

    // ==================== DISPLAY (PROJECTILE-SPECIFIC) ====================

    public float getRotationSpeed() { return entity.getRotationSpeed(); }
    public void setRotationSpeed(float speed) { entity.setRotationSpeed(speed); }

    // ==================== INTERPOLATION ====================

    public float getInterpolatedRotationX(float partialTicks) { return entity.getInterpolatedRotationX(partialTicks); }
    public float getInterpolatedRotationY(float partialTicks) { return entity.getInterpolatedRotationY(partialTicks); }
    public float getInterpolatedRotationZ(float partialTicks) { return entity.getInterpolatedRotationZ(partialTicks); }
    public float getInterpolatedSize(float partialTicks) { return entity.getInterpolatedSize(partialTicks); }

    // ==================== LIFESPAN ====================

    public float getMaxDistance() { return entity.getMaxDistance(); }
    public void setMaxDistance(float distance) { entity.setMaxDistance(distance); }

    public int getMaxLifetime() { return entity.getMaxLifetime(); }
    public void setMaxLifetime(int ticks) { entity.setMaxLifetime(ticks); }

    // ==================== COMBAT ====================

    public float getDamage() { return entity.getDamage(); }
    public void setDamage(float damage) { entity.setCombatDamage(damage); }

    public float getKnockback() { return entity.getKnockback(); }
    public void setKnockback(float knockback) { entity.setCombatKnockback(knockback); }

    public float getKnockbackUp() { return entity.getKnockbackUp(); }
    public void setKnockbackUp(float knockbackUp) { entity.setCombatKnockbackUp(knockbackUp); }

    public boolean isExplosive() { return entity.isExplosive(); }
    public void setExplosive(boolean explosive) { entity.setExplosive(explosive); }

    public float getExplosionRadius() { return entity.getExplosionRadius(); }
    public void setExplosionRadius(float radius) { entity.setExplosionRadius(radius); }

    public float getExplosionDamageFalloff() { return entity.getExplosionDamageFalloff(); }
    public void setExplosionDamageFalloff(float falloff) { entity.setExplosionDamageFalloff(falloff); }

    // ==================== MOVEMENT ====================

    public float getSpeed() { return entity.getSpeed(); }
    public void setSpeed(float speed) { entity.setSpeed(speed); }

    public boolean isHoming() { return entity.isHoming(); }
    public void setHoming(boolean homing) { entity.setHomingEnabled(homing); }

    public float getHomingStrength() { return entity.getHomingStrength(); }
    public void setHomingStrength(float strength) { entity.setHomingStrength(strength); }

    public float getHomingRange() { return entity.getHomingRange(); }
    public void setHomingRange(float range) { entity.setHomingRange(range); }

    // ==================== ANCHOR ====================

    public int getAnchor() { return entity.getAnchor(); }
    public float getAnchorOffsetX() { return entity.getAnchorOffsetX(); }
    public float getAnchorOffsetY() { return entity.getAnchorOffsetY(); }
    public float getAnchorOffsetZ() { return entity.getAnchorOffsetZ(); }

    // ==================== POSITION ====================

    public double getStartX() { return entity.getStartX(); }
    public double getStartY() { return entity.getStartY(); }
    public double getStartZ() { return entity.getStartZ(); }

    // ==================== STATE ====================

    public boolean hasHit() { return entity.getHasHit(); }

    // ==================== FIRE ====================

    public void fire(IEntity target) {
        if (target != null) {
            Entity mcTarget = target.getMCEntity();
            setMotionToward(mcTarget.posX, mcTarget.posY + mcTarget.getEyeHeight(), mcTarget.posZ);
        }
        ensureSpawned();
    }

    public void fire(double x, double y, double z) {
        setMotionToward(x, y, z);
        ensureSpawned();
    }

    public void fire(float yaw, float pitch) {
        float yawRad = (float) Math.toRadians(yaw);
        float pitchRad = (float) Math.toRadians(pitch);
        entity.motionX = -Math.sin(yawRad) * Math.cos(pitchRad) * entity.getSpeed();
        entity.motionY = -Math.sin(pitchRad) * entity.getSpeed();
        entity.motionZ = Math.cos(yawRad) * Math.cos(pitchRad) * entity.getSpeed();
        ensureSpawned();
    }

    public void fire(IEntityLivingBase caster) {
        if (caster == null) return;
        initFromCaster(caster);
        fire(caster.getRotation(), caster.getPitch());
    }

    public void fire(IEntityLivingBase caster, IEntity target) {
        if (caster == null) return;
        initFromCaster(caster);
        fire(target);
    }

    /**
     * Sets owner from caster and positions projectile at caster's eye level.
     */
    private void initFromCaster(IEntityLivingBase caster) {
        EntityLivingBase mc = (EntityLivingBase) caster.getMCEntity();
        entity.setOwnerEntityId(mc.getEntityId());
        double eyeY = mc.posY + mc.getEyeHeight();
        entity.setPosition(mc.posX, eyeY, mc.posZ);
        entity.setStartPosition(mc.posX, eyeY, mc.posZ);
    }

    /**
     * Calculates and sets motion from the projectile's current position toward a target point.
     */
    private void setMotionToward(double x, double y, double z) {
        double dx = x - entity.posX;
        double dy = y - entity.posY;
        double dz = z - entity.posZ;
        double len = Math.sqrt(dx * dx + dy * dy + dz * dz);
        if (len > 0) {
            entity.motionX = (dx / len) * entity.getSpeed();
            entity.motionY = (dy / len) * entity.getSpeed();
            entity.motionZ = (dz / len) * entity.getSpeed();
        }
    }

    protected void ensureSpawned() {
        if (!entity.addedToChunk && entity.worldObj != null) {
            entity.worldObj.spawnEntityInWorld(entity);
            if (!entity.worldObj.isRemote) {
                EventHooks.onEnergyProjectileFired(entity);
            }
        }
    }

}