extends Control

const COST_CONTAINER = preload("res://scenes/cost_container.tscn")

@onready var upgrades_list = %UpgradesList
@onready var upgrade_title_label = %UpgradeTitleLabel
@onready var desciption_label = %DesciptionLabel
@onready var cost_container = %CostContainer
@onready var buy_button = %BuyButton

var available_upgrades: Array[Upgrade]

func _ready():
	upgrade_title_label.text = "<- Select an Upgrade"
	desciption_label.text =  ""
	for child in cost_container.get_children():
		cost_container.remove_child(child)
	buy_button.disabled = true
	upgrades_list.clear()
	available_upgrades = DataHandler.get_available_upgrades()
	for upgd in available_upgrades:
		upgrades_list.add_item(upgd.name)


func _on_upgrades_list_item_selected(index):
	var upgd: Upgrade =  available_upgrades[index]
	upgrade_title_label.text = upgd.name
	desciption_label.text =  upgd.description
	for child in cost_container.get_children():
		cost_container.remove_child(child)
	for cost in upgd.cost:
		var cost_row: CostContainer = COST_CONTAINER.instantiate()
		cost_container.add_child(cost_row)
		cost_row.set_data(DataHandler.type_to_texture(cost), upgd.cost[cost])
	if DataHandler.has_upgrade_cost(upgd):
		buy_button.disabled = false


func _on_buy_button_pressed():
	var selected = upgrades_list.get_selected_items()[0]
	var upgd: Upgrade =  available_upgrades[selected]
	if upgd.activate_upgrade():
		_ready()