extends RichTextLabel

@onready var message_timer = $MessageTimer

@onready var json_content: Dictionary
@onready var message_lines: Dictionary
@onready var messages_seen: Array

@onready var lines_file_path = "res://text/message_lines.json"

@export var lines_displayed = []

signal end_introduction

# Called when the node enters the scene tree for the first time.
func _ready():
	set_scroll_follow(true)

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(_delta):
	pass

func show_message_by_id(section: String, idnum: int):
	var unique_id = section + str(idnum)
	if unique_id not in messages_seen:
		show_message(message_lines[section][idnum])
		messages_seen.append(unique_id)
	

func show_message(msg):
	lines_displayed.append(_centered_message(msg))
	#var new_text = _nl_append(message.text, _centered_message(msg))
	text = ("\n").join(lines_displayed)
	show()

func _nl_append(msg1, msg2):
	return msg1 + "\n" + msg2

func _centered_message(msg):
	return "[center]" + msg + "[/center]"
		
func display_introduction():
	print("Displaying introduction.")
	show_message_by_id("introduction", 0)
	await get_tree().create_timer(1.0).timeout
	show_message_by_id("introduction", 1)
	await get_tree().create_timer(0.5).timeout
	end_introduction.emit()


func _on_interface_ready():
	print("Narration received interface_ready signal.")
	var main_sequence_messages = json_content["main_sequence_messages"]
	print("Got JSON content keys " + ", ".join(main_sequence_messages.keys()))
	for section in main_sequence_messages.keys():
		message_lines[section] = []
		var section_lines = main_sequence_messages[section]
		section_lines.sort_custom(func(a,b): return a["id"] < b["id"])
		for line in section_lines:
			message_lines[section].append(line["text"])
	display_introduction()