extends Control

export var blur: int = 3
export var blur_transition_duration: float = 1

var blur_amount: float = 0
var blur_step: float = 0

onready var taquin = $HSplitContainer/Taquin

func _ready():
	$ColorRect.visible = false
	blur_amount = 0
	blur_step = blur / blur_transition_duration
	print("Starting state: ", taquin.current_state_name())
	taquin.connect("state_changed", self, "_on_Taquin_state_changed")

func _process(delta):
	if blur_amount < blur:
		blur_amount += delta * blur_step
		print("blur: ", blur_amount)
		$ColorRect.material.set_shader_param("blur_amount", blur_amount)

func _on_Taquin_state_changed(previous, new):
	print("Taquin state: ", Taquin.State.keys()[previous], " -> ", Taquin.State.keys()[new])
	match new:
		Taquin.State.WINNING:
			print("Solved!")
			# TODO: wait for the animation to finish before game over
			#$GameState.transition_to(GameState.State.GAME_OVER)
		Taquin.State.GAME_OVER:
			$ColorRect.visible = true
			$ColorRect.material.set_shader_param("blur_amount", blur_amount)