extends Node2D

onready var coin: Resource = preload('res://Levels/Interactables/Coin.tscn')

var screensize: Vector2
var score: int = 0


func _ready() -> void:
    $YSort/Player.load_hud($HUD)
    screensize = get_viewport_rect().size
    spawn_coins(8)
    return


func spawn_coins(num: int) -> void:
    for _i in range(num):
        var g: Node = coin.instance()
        $'coin_container'.add_child(g)
        if g.connect('coin_grabbed', self, '_on_coin_grabbed') != OK:
            print('ERROR: Coin "coin_grabbed" signal already connected.')
        #g.set_pos(Vector2(rand_range(0, screensize.x - 40), rand_range(0, screensize.y - 40)))
        g.position = Vector2(rand_range(0, screensize.x - 40), rand_range(0, screensize.y - 40))
    return


func _on_coin_grabbed() -> void:
    score += 1
    $'Level 3 HUD/Label'.set_text(str(score) + '/5')
    return


func _timer_out() -> void:
    if get_tree().change_scene('res://GUI/Level Failed.tscn') != OK:
        print('ERROR: Level 3 failed to change scene to Level Failed.')
    queue_free()
    return


func _on_TreasureChest_ice_key_collected() -> void:
    $YSort/Door/doorClosed.visible = false
    $YSort/Door/doorOpened.visible = true
    $YSort/DoorCollision.layers = 5
    return


func _on_DoorDetector_area_entered(area: Area2D) -> void:
    if area.get_parent().name == 'Player':
        if get_tree().change_scene('res://GUI/Level Complete.tscn') != OK:
            print('ERROR: Level 3 failed to change scene to Level Complete.')
        queue_free()
    return