extends Node2D


const SlotClass = preload("res://Slot.gd")
var Panzer_Temp = preload("res://Panzer.tscn")
onready var game_slots = $VBoxContainer/PanzerSlots
var holding_item = null
var buy_panzer_left = 0

signal speed_shoot

func _ready():
	for gam_slot in game_slots.get_children():
		gam_slot.connect("gui_input", self, "slot_gui_input", [gam_slot])
	var pBars = get_tree().get_nodes_in_group("XP")
	for pBar in pBars:
		pBar.connect("full_bar", self, "_enable_Panzer")
		
		
func slot_gui_input(event: InputEvent, slot: SlotClass):
	if event is InputEventMouseButton:
		if event.button_index == BUTTON_LEFT && event.pressed:
			if holding_item != null:
				if!slot.Panzer:
					slot.putIntoSlot(holding_item)
					holding_item = null
				else:
					var temp_item = slot.Panzer
					slot.pickFromSlot()
					temp_item.global_position = event.global_position
					slot.putIntoSlot(holding_item)
					holding_item = temp_item
			elif slot.Panzer:
				holding_item = slot.Panzer
				slot.pickFromSlot()
				holding_item.global_position = get_global_mouse_position()
				
func _input(event):
	if holding_item:
		holding_item.global_position = get_global_mouse_position()
	pass


func _on_Panzer_pressed():
	buy_panzer_left -= 1
	if buy_panzer_left == 0:
		$VBoxContainer/ButtonGrid/Panzer.disabled = true
	if holding_item == null:
		var Panzer = null
		Panzer = Panzer_Temp.instance()
		add_child(Panzer)
		holding_item = Panzer
		holding_item.global_position = get_global_mouse_position()
	pass # Replace with function body.


func _on_Speed_pressed():
	var value = 0.5
	emit_signal("speed_shoot", value)
	$VBoxContainer/ButtonGrid/Speed.disabled = true
	pass # Replace with function body.
	
func _enable_Panzer(value):
	buy_panzer_left += 1
	$VBoxContainer/ButtonGrid/Panzer.disabled = false