extends Control

var upgrade_node: Node
var special_upgrade_node: Node
var available_money: int = 0
var special_currency: int = 0

signal shop_exit

func _process(delta: float) -> void:
	$Money.text        = str(available_money)
	$SpecialMoney.text = str(special_currency)


# Called when the node enters the scene tree for the first time.
func populate() -> void:
	$TuxUpgrades.clear()
	for upgrade in upgrade_node.get_children():
		var index = $TuxUpgrades.add_item(upgrade.upgrade_description + " Cost: " + str(upgrade.cost), upgrade.icon)
		$TuxUpgrades.set_item_metadata(index, upgrade)
		if upgrade.enabled:
			$TuxUpgrades.set_item_disabled(index, true)
	
	$XeniaUpgrades.clear()
	for upgrade in special_upgrade_node.get_children():
		var index = $XeniaUpgrades.add_item(upgrade.upgrade_description + " Cost: " + str(upgrade.cost), upgrade.icon)
		$XeniaUpgrades.set_item_metadata(index, upgrade)
		if upgrade.enabled:
			$XeniaUpgrades.set_item_disabled(index, true)


func _on_tux_mouse_entered() -> void:
	$Tux.modulate   = Color(0.5, 0.5, 0.6)
func _on_xenia_mouse_entered() -> void:
	$Xenia.modulate = Color(0.5, 0.5, 0.6)

func _on_tux_mouse_exited() -> void:
	$Tux.modulate   = Color(1.0, 1.0, 1.0)
func _on_xenia_mouse_exited() -> void:
	$Xenia.modulate = Color(1.0, 1.0, 1.0)


func _on_tux_upgrades_item_clicked(index: int, at_position: Vector2, mouse_button_index: int) -> void:
	var upgrade = $TuxUpgrades.get_item_metadata(index)
	if upgrade.cost <= available_money:
		upgrade.enabled = true;
		available_money -= upgrade.cost
		populate()
	else:
		$Error.text = "No tens prou Diners!!!!"

func _on_xenia_upgrades_item_clicked(index: int, at_position: Vector2, mouse_button_index: int) -> void:
	var upgrade = $XeniaUpgrades.get_item_metadata(index)
	if upgrade.cost <= special_currency:
		upgrade.enabled = true;
		special_currency -= upgrade.cost
		populate()
	else:
		$Error.text = "No tens prou 🥘!!!!"


func _on_tux_pressed() -> void:
	$Tux.visible   = false
	$Xenia.visible = false
	$TuxUpgrades.visible = true

func _on_xenia_pressed():
	$Tux.visible   = false
	$Xenia.visible = false
	$XeniaUpgrades.visible = true


func _on_continue_pressed() -> void:
	$Tux.visible   = true
	$Xenia.visible = true
	$TuxUpgrades.visible = false
	$XeniaUpgrades.visible = false
	shop_exit.emit()