class_name RecipeSystem extends Node

var RECIPE_MAP:Dictionary[Recipe.Type, Recipe] = {}

func _recurseChildren(node:Node) -> void:
	if node is Recipe:
		var recipe:Recipe = node as Recipe
		if recipe.type in RECIPE_MAP:
			assert(false, "Duplicate recipe type found: " + str(recipe.type))
		RECIPE_MAP[recipe.type] = recipe
	else:
		for child in node.get_children():
			_recurseChildren(child)

func _updateRecipes() -> void:
	RECIPE_MAP = {}
	_recurseChildren(self)

func _enter_tree() -> void:
	_updateRecipes()
	
	for recipeType in Recipe.Type.values():
		if !RECIPE_MAP.has(recipeType):
			assert(false, "Missing recipe type: " + Recipe.Type.find_key(recipeType))

func _init() -> void:
	_updateRecipes()

func getRecipe(recipeType:Recipe.Type) -> Recipe:
	if RECIPE_MAP.has(recipeType):
		return RECIPE_MAP[recipeType]
	else:
		assert(false, "Recipe type not found: " + Recipe.Type.find_key(recipeType))
		return null