extends Node2D

@export var code_len : int = 2
@export var ghost_tokens : int = 2
@export var allowed_time : float = 5
@export var starting_lives : int = 3
@export var icon_container: HBoxContainer
@export var icons : Array[Texture]
@export var progress_bar : ProgressBar
@export var scroll_container : ScrollContainer
@export var score_label : Label
@export var life_container : HBoxContainer
@export var life_texture : Texture
var current_time : float = 5
var score : int = 0
var lives : int = 3
var code : Array[int]
var code_rects : Array[TextureRect]
var gaming : bool = false
var codepos : int = 0 #current position in the code to check against
var test_break : float = 1.5
var target_scroll : float

# start scrolling at codepos == 11

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	#start_round()
	draw_lives()
	pass # Replace with function body.

func draw_lives():
	for child in life_container.get_children():
		child.queue_free()
	for i in range(lives):
		var new_tex = TextureRect.new()
		new_tex.texture = life_texture
		life_container.add_child(new_tex)

func lose_life():
	lives -= 1
	draw_lives()
	if lives <= 0:
		#end game
		pass

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	target_scroll = (codepos*50) - 550
	scroll_container.scroll_horizontal = lerpf(scroll_container.scroll_horizontal,target_scroll,0.05)
	score_label.text = str(score)
	
	if gaming:
		current_time -= delta
		progress_bar.value = (5-current_time)/allowed_time
	else:
		test_break -= delta
		if test_break <= 0:
			start_round()
	
	if gaming and current_time <= 0:
		lose_round()
	
	if Input.is_action_just_pressed("up"):
		process_input(0)
	elif Input.is_action_just_pressed("right"):
		process_input(1)
	elif Input.is_action_just_pressed("down"):
		process_input(2)
	elif Input.is_action_just_pressed("left"):
		process_input(3)

func start_round():
	current_time = allowed_time
	codepos = 0
	generate_code()
	gaming = true
	
	#scroll_container.scroll_horizontal = 0
	pass

func process_input(direction : int):
	if(code[codepos] == direction):
		#correct input 
		icon_container.get_child(codepos).modulate = Color(0,1,0)
		score += codepos+1
		codepos += 1
		
		if(codepos == code_len):
			win_round()
	else:
		#incorrect input
		codepos = 0
		#scroll_container.scroll_horizontal = 0
		for i in range(code_len):
			icon_container.get_child(i).modulate = Color(1,1,1)

func win_round():
	#todo: bous for remaining time?
	gaming = false
	codepos = 0
	test_break = 1.5 # todo: replace with gamer samurai animation stuff
	if ghost_tokens > 0:
		ghost_tokens -= 1
		code_len += 1
		
	else:
		ghost_tokens = 2
		code_len -= 1
		score += 100

func lose_round():
	gaming = false
	codepos = 0
	test_break = 1.5
	lose_life()

func generate_code():
	code.clear()
	for child in icon_container.get_children():
		child.queue_free()
	for i in range(code_len):
		var ran_dir : int = randi_range(0,3)
		code.append(ran_dir)
		var new_texture_rect : TextureRect = TextureRect.new()
		new_texture_rect.texture = icons[ran_dir]
		icon_container.add_child(new_texture_rect)
	for i in range(ghost_tokens):
		var new_texture_rect : TextureRect = TextureRect.new()
		new_texture_rect.texture = icons[4]
		new_texture_rect.modulate = Color(1,1,1,0.25)
		icon_container.add_child(new_texture_rect)
	print(code)