/datum/ai_controller/robot_customer
	ai_movement = /datum/ai_movement/basic_avoidance
	movement_delay = 0.8 SECONDS
	blackboard = list(
		BB_CUSTOMER_ATTENDING_VENUE = null,
		BB_CUSTOMER_CURRENT_ORDER = null,
		BB_CUSTOMER_CUSTOMERINFO = null,
		BB_CUSTOMER_EATING = FALSE,
		BB_CUSTOMER_LEAVING = FALSE,
		BB_CUSTOMER_MY_SEAT = null,
		BB_CUSTOMER_PATIENCE = 999 SECONDS,
		BB_CUSTOMER_SAID_CANT_FIND_SEAT_LINE = FALSE,
	)
	planning_subtrees = list(/datum/ai_planning_subtree/robot_customer)

/datum/ai_controller/robot_customer/Destroy()
	// clear possible datum refs
	clear_blackboard_key(BB_CUSTOMER_CURRENT_ORDER)
	clear_blackboard_key(BB_CUSTOMER_CUSTOMERINFO)
	return ..()

/datum/ai_controller/robot_customer/TryPossessPawn(atom/new_pawn)
	if(!istype(new_pawn, /mob/living/basic/robot_customer))
		return AI_CONTROLLER_INCOMPATIBLE
	new_pawn.AddElement(/datum/element/relay_attackers)
	RegisterSignal(new_pawn, COMSIG_ATOM_ATTACKBY, PROC_REF(on_attackby))
	RegisterSignal(new_pawn, COMSIG_ATOM_WAS_ATTACKED, PROC_REF(on_attacked))
	RegisterSignal(new_pawn, COMSIG_LIVING_GET_PULLED, PROC_REF(on_get_pulled))
	RegisterSignal(new_pawn, COMSIG_ATOM_ATTACK_HAND, PROC_REF(on_get_punched))
	return ..() //Run parent at end

/datum/ai_controller/robot_customer/UnpossessPawn(destroy)
	if(isnull(pawn))
#ifndef UNIT_TESTS
		stack_trace("Robot Customer AI Controller UnpossessPawn called with null pawn! This shouldn't happen in normal circumstances.") // and unit tests are abnormal circumstances
#endif
		return

	UnregisterSignal(pawn, list(COMSIG_ATOM_ATTACKBY, COMSIG_ATOM_WAS_ATTACKED, COMSIG_LIVING_GET_PULLED, COMSIG_ATOM_ATTACK_HAND))
	return ..() //Run parent at end

/datum/ai_controller/robot_customer/proc/on_attackby(datum/source, obj/item/I, mob/living/user)
	SIGNAL_HANDLER
	var/datum/venue/attending_venue = blackboard[BB_CUSTOMER_ATTENDING_VENUE]
	if(attending_venue.is_correct_order(I, blackboard[BB_CUSTOMER_CURRENT_ORDER]))
		to_chat(user, span_notice("You hand [I] to [pawn]."))
		eat_order(I, attending_venue)
		return COMPONENT_NO_AFTERATTACK
	else if(!I.force)
		INVOKE_ASYNC(src, PROC_REF(dont_want_that), I, user)
	else
		INVOKE_ASYNC(src, PROC_REF(warn_greytider), user)

/datum/ai_controller/robot_customer/proc/on_attacked(datum/source, mob/living/attacker)
	SIGNAL_HANDLER
	INVOKE_ASYNC(src, PROC_REF(warn_greytider), attacker)

/datum/ai_controller/robot_customer/proc/eat_order(obj/item/order_item, datum/venue/attending_venue)
	if(blackboard[BB_CUSTOMER_EATING])
		return

	set_blackboard_key(BB_CUSTOMER_EATING, TRUE)
	attending_venue.on_get_order(pawn, order_item)
	var/our_order = blackboard[BB_CUSTOMER_CURRENT_ORDER]
	if(isdatum(our_order))
		qdel(our_order)
	clear_blackboard_key(BB_CUSTOMER_CURRENT_ORDER)


///Called when
/datum/ai_controller/robot_customer/proc/on_get_pulled(datum/source, mob/living/puller)
	SIGNAL_HANDLER


	INVOKE_ASYNC(src, PROC_REF(async_on_get_pulled), source, puller)

/datum/ai_controller/robot_customer/proc/async_on_get_pulled(datum/source, mob/living/puller)
	var/mob/living/basic/robot_customer/customer = pawn
	var/datum/customer_data/customer_data = blackboard[BB_CUSTOMER_CUSTOMERINFO]
	var/datum/venue/attending_venue = blackboard[BB_CUSTOMER_ATTENDING_VENUE]

	var/obj/item/card/id/used_id = puller.get_idcard(TRUE)

	if(used_id && (attending_venue.req_access in used_id?.GetAccess()))
		customer.say(customer_data.friendly_pull_line)
		return
	warn_greytider(puller)
	customer.resist()


/datum/ai_controller/robot_customer/proc/dont_want_that(mob/living/chef, obj/item/thing)
	var/mob/living/basic/robot_customer/customer = pawn
	var/datum/customer_data/customer_data = blackboard[BB_CUSTOMER_CUSTOMERINFO]
	customer.say(customer_data.wrong_item_line)

/datum/ai_controller/robot_customer/proc/warn_greytider(mob/living/greytider)
	var/mob/living/basic/robot_customer/customer = pawn
	var/datum/venue/attending_venue = blackboard[BB_CUSTOMER_ATTENDING_VENUE]
	var/datum/customer_data/customer_data = blackboard[BB_CUSTOMER_CUSTOMERINFO]
	//Living mobs are tagged, so these will always be valid
	attending_venue.mob_blacklist[REF(greytider)] += 1

	switch(attending_venue.mob_blacklist[REF(greytider)])
		if(1)
			customer.say(customer_data.first_warning_line)
			return
		if(2)
			customer.say(customer_data.second_warning_line)
			return
		if(3)
			customer.say(customer_data.self_defense_line)
	set_blackboard_key(BB_CUSTOMER_CURRENT_TARGET, greytider)

	CancelActions()

/datum/ai_controller/robot_customer/proc/on_get_punched(datum/source, mob/living/living_hitter)
	SIGNAL_HANDLER

	var/datum/venue/attending_venue = blackboard[BB_CUSTOMER_ATTENDING_VENUE]

	var/obj/item/card/id/used_id = living_hitter.get_idcard(hand_first = TRUE)

	if(used_id && (attending_venue.req_access in used_id?.GetAccess()))
		return

	if(living_hitter.combat_mode)
		INVOKE_ASYNC(src, PROC_REF(warn_greytider), living_hitter)