extends VBoxContainer

var trackers: Dictionary[ResourceController.ResourceType, ResourceTracker] = {}
var resource_tracker_scene: PackedScene = preload("res://ResourceTracker.tscn")

func _ready():
	var header = Label.new()
	header.text = "Resources"
	add_child(header)

	for resource in ResourceController.stock.keys():
		add_resource_ui(resource)
	ResourceController.resource_type_added.connect(add_resource_ui)
	ResourceController.resource_stats_updated.connect(_update_resource)

func _update_resource(resource_type: ResourceController.ResourceType, stats: ResourceController.ResourceStats):
	if !trackers.has(resource_type): add_resource_ui(resource_type)
	var tracker = trackers[resource_type]
	tracker.set_val_and_max(stats.value, stats.max)
	tracker.set_increment(stats.delta)

func add_resource_ui(resource_type: ResourceController.ResourceType):
	var tracker: ResourceTracker = resource_tracker_scene.instantiate()
	add_child(tracker)
	tracker.set_resource_name(ResourceController.get_resource_name(resource_type))
	trackers[resource_type] = tracker