class_name GoalData
extends Resource

enum UnlockBehavior {
	AUTOMATIC,
	MANUAL,
}

@export var id: StringName = &""
@export var requirements: Array[GoalRequirementData] = []
@export var unlock_behavior: UnlockBehavior = UnlockBehavior.MANUAL

func has_id() -> bool:
	return not String(id).strip_edges().is_empty()

func get_requirements() -> Array[GoalRequirementData]:
	return requirements.duplicate()

func is_valid() -> bool:
	if not has_id():
		return false
	
	if requirements.is_empty():
		return false
	
	for req in requirements:
		if req == null:
			continue
		if req.get_currency() == null:
			continue
		if not req.has_valid_amount():
			continue
	
	return true