extends ColorRect

export var dialog_path: String = ''
export var text_speed: float = 0.05

var dialog: Array
var phrase_num: int = 0
var finished = false


func _ready() -> void:
    $Timer.wait_time = text_speed
    dialog = get_dialog()
    assert(dialog, 'Dialog not found')
    next_phrase()
    return


func _input(event: InputEvent) -> void:
    $Indicator.visible = finished
    if event.is_action_pressed('ui_accept'):
        if finished:
            next_phrase()
        else:
            $Text.visible_characters = len($Text.text)
    return


func get_dialog() -> Array:
    var f = File.new()
    assert(f.file_exists(dialog_path), 'File path does not exist')

    f.open(dialog_path, File.READ)
    var json = f.get_as_text()

    var output = parse_json(json)

    if typeof(output) == TYPE_ARRAY:
        return output
    else:
        return []

func next_phrase() -> void:
    if phrase_num >= len(dialog):
        queue_free()
        return

    finished = false

    $Name.bbcode_text = dialog[phrase_num]['Name']
    $Text.bbcode_text = dialog[phrase_num]['Text']

    $Text.visible_characters = 0

    while $Text.visible_characters < len($Text.text):
        $Text.visible_characters += 1

        $Timer.start()
        yield($Timer, 'timeout')

    finished = true
    phrase_num += 1
    return