class_name InventoryDialog
extends MarginContainer

# Crafting
@onready var recipe_list:ItemList = %RecipeList
@onready var ingredients_container:ItemGrid = %IngredientsContainer
@onready var results_container:ItemGrid = %ResultsContainer
@onready var craft_button = %CraftButton

# Backpack
@onready var inventory_container:ItemGrid = %InventoryContainer

var _inventory:Inventory = null
var _selected_recipe:RecipeResource


func open(recipes:Array[RecipeResource], inventory:Inventory):
	_inventory = inventory
	
	show()
	
	recipe_list.clear()
	for recipe in recipes:
		var index = recipe_list.add_item(recipe.name)
		recipe_list.set_item_metadata(index, recipe)
	
	inventory_container.displayStacks(inventory.get_item_stacks())
	
	recipe_list.select(0)
	_on_recipe_list_item_selected(0)


func _on_close_button_pressed():
	hide()


func _unhandled_key_input(event:InputEvent):
	var key_event:InputEventKey = event as InputEventKey
	if visible and key_event.pressed and key_event.get_keycode_with_modifiers() == KEY_ESCAPE:
		get_viewport().set_input_as_handled()
		hide()


func update_crafting_widgets(recipe:RecipeResource):
	ingredients_container.display(recipe.ingredients)
	results_container.display(recipe.results)
	
	craft_button.disabled = not _inventory.has_all(recipe.ingredients)


func _on_recipe_list_item_selected(index):
	var recipe:RecipeResource = recipe_list.get_item_metadata(index)
	
	_selected_recipe = recipe
	print("Selected recipe is: " + str(recipe) + " with index " + str(index))
	
	update_crafting_widgets(_selected_recipe)


func _on_craft_button_pressed():
	for item in _selected_recipe.ingredients:
		_inventory.remove_item(item)
		
	for item in _selected_recipe.results:
		_inventory.add_item(item)

	inventory_container.displayStacks(_inventory.get_item_stacks())
	update_crafting_widgets(_selected_recipe)