extends Node2D

# class member variables go here, for example:
# var a = 2
# var b = "textvar"
export(bool) var confirm_state = 0
var debug = true
var previous_location;
var playing = 0
var play_timer = 0.0
var play_done_callback
var game
func _ready():
	# Called every time the node is added to the scene.
	# Initialization here
	set_process_input(true)
	set_process(true)
	if self.debug:
		get_node('debug').set_text('%s' % self)
		get_node('debug').show()
	
func _process(dt):
	if self.playing:
		self.play_timer -= dt
	if self.play_timer <= 0:
		self.play_timer = 0.0
		self.playing = 0
		if self.game:
			if self.play_done_callback:
				self.game.call(self.play_done_callback, self)
			self.game = null

func _input(event):
	if not self.is_visible():
		return
	if event.type == InputEvent.KEY && event.scancode == KEY_ESCAPE && confirm_state == 1:
		self.end_confirm_state(false)
	if event.type == InputEvent.KEY && (event.scancode == KEY_RETURN || event.scancode == KEY_ENTER) && confirm_state == 1:
		self.end_confirm_state(true)

func enter_confirm_state():
	if confirm_state == 1:
		return
	var game = get_node('/root/game')
	if game:
		var hand = game.get('hand')
		game.get_node('ui/help').set_text('Press "Enter" to play the card; Press "Escape" to cancel')
		for i in hand:
			if i.confirm_state == 1:
				i.end_confirm_state(false);
	confirm_state = 1
	self.previous_location = self.get_global_pos()
	var r = get_viewport().get_visible_rect()
	var c = Vector2(r.pos.x + (r.size.x / 2), r.pos.y + (r.size.y / 2))
	self.set_global_pos(c)
	self.set_scale(Vector2(3, 3))
	self.set_z(self.get_z()+1)
	
	#get_node('Controls').show()
	
func end_confirm_state(play_card):
	if confirm_state == 0:
		return
	confirm_state = 0
	self.set_scale(Vector2(1, 1))
	print(self.previous_location)
	self.set_global_pos(self.previous_location)
	self.set_z(self.get_z()-1)
	get_node('Controls').hide()
	var game = get_node('/root/game')
	if game:
		game.get_node('ui/help').set_text('')
		if play_card:
			game.play_card(self)

func _on_click_base_input_event( viewport, event, shape_idx ):
	if not self.is_visible():
		return
	if event.type == InputEvent.MOUSE_BUTTON && event.button_index == BUTTON_LEFT && event.pressed:
		if confirm_state != 1:
			self.enter_confirm_state()
			return self
		else:
			pass
			
func proc_effects(game, callback = null):
	if callback:
		self.play_done_callback = callback
		self.game = game
	self.playing = 1
	print('Playing card %s' % self)