extends Unit

func _compose():
	$chief.visible = is_chief
	super._compose()

func tick():
	chief_maintenance()
	
	# go to nearest enemy
	var enemy: Unit = null
	var closest := INF
	for unit in get_tree().get_nodes_in_group("unit"):
		if unit is Unit and unit.player != player:
			var distance := global_position.distance_to(unit.global_position)
			if distance < closest:
				closest = distance
				enemy = unit
	if enemy:
		move_to(enemy.global_position + Vector2.from_angle(randf_range(0.0, PI * 2.0)) * randf_range(100.0, 300.0))
		$turret.set_target(enemy)

func chief_maintenance():
	if is_chief:
		# already chief
		return
		
	var chief = get_chief()
	if chief == null:
		# find a chief
		var chiefs = list_chiefs()
		# TODO sort by distance, experience and subordinate count
		if chiefs.size() > 0:
			chief = chiefs[0]
		else:
			promote_chief()
			_compose()