/**
 * # Obeys Commands Component
 * Manages a list of pet command datums, allowing you to boss it around
 * Creates a radial menu of pet commands when this creature is alt-clicked, if it has any
 */

/datum/component/obeys_commands
	/// List of commands you can give to the owner of this component
	var/list/available_commands = list()

/// The available_commands parameter should be passed as a list of typepaths
/datum/component/obeys_commands/Initialize(list/command_typepaths = list())
	. = ..()
	if(!isliving(parent))
		return COMPONENT_INCOMPATIBLE
	var/mob/living/living_parent = parent
	if(!living_parent.ai_controller)
		return COMPONENT_INCOMPATIBLE
	if(!length(command_typepaths))
		CRASH("Initialised obedience component with no commands.")

	for(var/command_path in command_typepaths)
		var/datum/pet_command/new_command = new command_path(parent)
		available_commands[new_command.command_name] = new_command

/datum/component/obeys_commands/Destroy(force)
	QDEL_LIST_ASSOC_VAL(available_commands)
	return ..()

/datum/component/obeys_commands/RegisterWithParent()
	RegisterSignal(parent, COMSIG_LIVING_BEFRIENDED, PROC_REF(add_friend))
	RegisterSignal(parent, COMSIG_LIVING_UNFRIENDED, PROC_REF(remove_friend))
	RegisterSignal(parent, COMSIG_PARENT_EXAMINE, PROC_REF(on_examine))

/datum/component/obeys_commands/UnregisterFromParent()
	UnregisterSignal(parent, list(COMSIG_LIVING_BEFRIENDED, COMSIG_LIVING_UNFRIENDED, COMSIG_PARENT_EXAMINE))

/// Add someone to our friends list
/datum/component/obeys_commands/proc/add_friend(datum/source, mob/living/new_friend)
	SIGNAL_HANDLER
	for(var/command_name as anything in available_commands)
		var/datum/pet_command/command = available_commands[command_name]
		INVOKE_ASYNC(command, TYPE_PROC_REF(/datum/pet_command, add_new_friend), new_friend)

/// Remove someone from our friends list
/datum/component/obeys_commands/proc/remove_friend(datum/source, mob/living/old_friend)
	SIGNAL_HANDLER
	for(var/command_name as anything in available_commands)
		var/datum/pet_command/command = available_commands[command_name]
		INVOKE_ASYNC(command, TYPE_PROC_REF(/datum/pet_command, remove_friend), old_friend)

/// Add a note about whether they will follow the instructions of the inspecting mob
/datum/component/obeys_commands/proc/on_examine(mob/living/source, mob/user, list/examine_list)
	SIGNAL_HANDLER

	if(source.stat == DEAD || source.stat == UNCONSCIOUS)
		return
	if(!(user in source.ai_controller?.blackboard[BB_FRIENDS_LIST]))
		return
	examine_list += "<span class='notice'>[source.p_they(TRUE)] seem[source.p_s()] happy to see you!</span>"