class_name Slideshower
extends Control

signal finished_playing

var slides = []
var slide = 0

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

func play_slideshow(new_slides) -> void:
	slides = new_slides
	play_slide(0)

func play_slide(index) -> bool:
	if index < 0 or index >= len(slides):
		return false

	slide = index
	var image_path: String = slides[index].image
	if not image_path.begins_with("res://"):
		image_path = "res://art/slides/%s.png" % image_path

	$VSplitContainer/TextFrame/SlideText.text = slides[index].text
	$VSplitContainer/ImageFrame/SlideImage.texture = load(image_path)
	return true

func next_slide() -> bool:
	var success = play_slide(slide + 1)
	if not success:
		finished_playing.emit()
	return success

func prev_slide() -> bool:
	return play_slide(slide - 1)

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	if Input.is_action_just_released("interact") or Input.is_action_just_released("jump") or Input.is_action_just_released("move_right"):
		next_slide()
	
	if Input.is_action_just_released("move_left"):
		prev_slide()

func _on_continue_button_pressed() -> void:
	next_slide()