class_name DialogMap
extends Node2D


signal dialog_finished

const SPEED_SLOW = 5.0
const SPEED_NORMAL = 10.0
const SPEED_FAST = 15.0

@export var map_point_number = 0


var text_box_label: RichTextLabel
var dialog_text: Array[Dictionary]
var current_line = 0

func _ready():
	_setup_text()
	
	text_box_label.visible = true
	text_box_label.text = ""
	next_line()

func _setup_text():
	match map_point_number:
		0: 
			dialog_text = [
				{speaker = "Necra", text = "A small path leads away from the crypt."},
				{speaker = "Necra", text = "I follow it slowly into the dark forest."},
				{speaker = "Necra", text = "After some time on the path I see a strange tree in full blossom."},
				{speaker = "Necra", text = "Strange, everything else seems dead and decaying."},
				{speaker = "Necra", text = "But this tree with it's blood red foliage defies the rest."},
				{speaker = "Necra", text = "I notice a body sitting on the ground, laying against the massive stem amongs the tentacle like roots."},				
			]
		1:
			dialog_text = [
				{speaker = "Necra", text = "The path continues leading me away from the tree."},
				{speaker = "Necra", text = "It gets less muddy and eventually turns into a poorly maintained brick road."},
				{speaker = "Necra", text = "The road ends at a tower."},
				{speaker = "Necra", text = "Something is dangling from the roof, it's hard to make out through the tree tops."},
				{speaker = "Necra", text = "I can either go up to the rooftop, or continue deeper into the woods."},
			]
		2:
			dialog_text = [
				{speaker = "Necra", text = "I enter the tower ruins."},
				{speaker = "Necra", text = "A stone staircase leads up the side of the small room."},
				{speaker = "Necra", text = "I have to be careful climbing up, some stairs are missing."},
				{speaker = "Necra", text = "On the roof I see an old wooden construct, a rope attached to it."},
				{speaker = "Necra", text = "The rope holds a body at the neck over the steep descend."},
				{speaker = "Necra", text = "Branches of dead trees seem to stretch toward it, trying to reach it desperately."},
			]
		3:
			dialog_text = [
				{speaker = "Necra", text = "The forest is way harder to pass now, without a discernible path."},
				{speaker = "Necra", text = "I need all my strength to fight through the undergrowth."},
				{speaker = "Necra", text = "Suddenly it clears into a small glade."},
				{speaker = "Necra", text = "A headless body lies in the middle."},
			]

func _unhandled_input(event):
	if event is InputEventKey: 
		if event.key_label == KEY_SPACE and event.is_released():
			next_line()

var tween: Tween
func next_line():
	if not text_box_label.visible: return
	if current_line >= dialog_text.size(): 
		dialog_finished.emit()
		text_box_label.hide()
		return
	var next =  dialog_text[current_line]
	text_box_label.text = "%s: %s" % [next["speaker"], next["text"]]
	text_box_label.visible_characters = next["speaker"].length() + 2
	var remaining_characters = text_box_label.text.length() - text_box_label.visible_characters
	var tween_duration = remaining_characters / (next["speed"] if next.has("speed") else SPEED_NORMAL)
	if tween:
		tween.kill()
	tween = create_tween()
	tween.tween_property(text_box_label, "visible_characters", text_box_label.text.length(), tween_duration)
	current_line += 1