import * as entities from 'entities'
import * as items from 'items'
var Vector = Java.type('org.bukkit.util.Vector')

export function vexBoss(loc) {
    // const mob = loc.world.spawnEntity(loc, entities['wither_skeleton']());
    const mob = loc.world.spawnEntity(loc, entities['vex']())
    mob.getEquipment().setItemInHand(items['goldSword'](1))

    // behavior loop
    function loop() {
        // Keep looping while mob is alive.
        if (mob.isDead()) {
            return
        } else {
            setTimeout(function() {
                loop()
            }, 5000)
        }

        // Fireball Attack! (when haz target).
        var target = mob.getTarget()
        if (target && target.type == 'PLAYER') {
            var fb = Java.type('org.bukkit.entity.LargeFireball').class
            var pl = target.location
            var ml = mob.location
            var vec = new Vector(
                pl.x - ml.x,
                pl.y - ml.y,
                pl.z - ml.z
            ).normalize()
            mob.launchProjectile(fb, vec)
        }
    }
    loop()

    return mob
}