class_name QuestObjective extends Node

enum Type {
	Item,
}

@export_multiline var title:String = ""
@export_multiline var description:String = ""
@export var objectiveType:Type = Type.Item

@export var itemType:Item.Type = Item.Type.POTION
@export var quantity:int = 1

var completed:bool = false
var quest:Quest = null

func onQuestReady(_quest:Quest) -> void:
	self.quest = _quest
	if objectiveType == Type.Item:
		QUEST.playerInventoryUpdated.connect(_onPlayerInventoryUpdated)
		_onPlayerInventoryUpdated()

func _exit_tree() -> void:
	QUEST.playerInventoryUpdated.disconnect(_onPlayerInventoryUpdated)

func _onPlayerInventoryUpdated() -> void:
	if !quest.isStarted():
		return

	# Ensure player has the item
	var hasItem = ITEM.PLAYER_INVENTORY.hasItem(itemType, quantity)

	if hasItem && !completed:
		self.completed = true
		quest.objectiveUpdated(self)
	else:
		self.completed = false
		quest.objectiveUpdated(self)

func isCompleted() -> bool:
	return completed

func getTransContext() -> TransContext:
	var ctx = TransContext.new()

	ctx.addTrans("title", title)
	ctx.addTrans("description", description)

	if objectiveType == Type.Item:
		ctx.addInteger("quantity", quantity)
		ctx.addContext("item", ITEM.getItem(itemType).getTransContext())

	return ctx