class_name GoalData
extends Resource

@export var id: StringName = &""
@export var requirements: Array[GoalRequirementData] = []

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

func get_valid_requirements() -> Array[Resource]:
	var result: Array[Resource] = []
	for requirement_resource in requirements:
		if requirement_resource == null:
			continue
		if not bool(requirement_resource.call("is_valid")):
			continue

		result.append(requirement_resource)

	return result

func is_valid() -> bool:
	if not has_id():
		return false

	return not get_valid_requirements().is_empty()

func is_met() -> bool:
	var valid_requirements: Array[Resource] = get_valid_requirements()
	if valid_requirements.is_empty():
		return false

	for requirement_resource in valid_requirements:
		if not bool(requirement_resource.call("is_met")):
			return false

	return true

func get_first_requirement_summary() -> String:
	var valid_requirements: Array[Resource] = get_valid_requirements()
	if valid_requirements.is_empty():
		return ""
	return String(valid_requirements[0].call("get_summary_text"))