class_name EventIfQuest extends "res://scripts/Event/Condition/EventIf.gd"
## Event that checks if a quest is in a specific state, if the condition is met
## then all children events will be run through.
##
## Can also be used as part of a trigger condition to fire if the quest state
## is updated.

enum Type {
	ANY_OF_OBJECTIVES_COMPLETED,
	ALL_OF_OBJECTIVES_COMPLETED,
	ANY_OF_OBJECTIVES_NOT_COMPLETED,
	ALL_OF_OBJECTIVES_NOT_COMPLETED,
	SPECIFIC_OBJECTIVE_COMPLETED,
	SPECIFIC_OBJECTIVE_NOT_COMPLETED,
	QUEST_STARTED,
	QUEST_NOT_STARTED,
}

@export var questKey:QuestSystem.QuestKey = QuestSystem.QuestKey.TEST_QUEST
@export var type:Type = Type.ALL_OF_OBJECTIVES_COMPLETED
@export var objective:int = 0

func ifCondition() -> bool:
	var quest:Quest = QUEST.quests.get(questKey)

	match type:
		Type.ANY_OF_OBJECTIVES_COMPLETED:
			for objective in quest.objecitves:
				if !objective.isCompleted():
					return true

		Type.ALL_OF_OBJECTIVES_COMPLETED:
			for objective in quest.objectives:
				if !objective.isCompleted():
					return false
			return true

		Type.ANY_OF_OBJECTIVES_NOT_COMPLETED:
			for objective in quest.objectives:
				if !objective.isCompleted():
					return true

		Type.ALL_OF_OBJECTIVES_NOT_COMPLETED:
			for objective in quest.objectives:
				if objective.isCompleted():
					return false
			return true

		Type.SPECIFIC_OBJECTIVE_COMPLETED:
			if quest.objectives[objective].isCompleted():
				return true

		Type.SPECIFIC_OBJECTIVE_NOT_COMPLETED:
			if quest.objectives[objective].isCompleted():
				return false
			return true

		Type.QUEST_STARTED:
			if quest.isStarted():
				return true

		Type.QUEST_NOT_STARTED:
			if !quest.isStarted():
				return true

	return false

func subscribeEvents() -> void:
	QUEST.questUpdated.connect(onQuestUpdated)

func unsubscribeEvents() -> void:
	QUEST.questUpdated.disconnect(onQuestUpdated)

func onQuestUpdated(quest:Quest) -> void:
	if quest.questKey != questKey:
		return
	self.onEventTrigger()