extends Resource

class_name Playlist

@export var music: Array[String]
var randomized: Array[int]
var index: int = 0

func init(randomify: bool) -> void:
	for i in range(music.size()):
		randomized.append(i)
	if randomify:
		shuffle()

func getNext() -> String:
	var ret: String = music[randomized[index]]
	index += 1
	if index >= randomized.size():
		index = 0
	return ret

func shuffle() -> void:
	var shuffled: Array[int] = []
	for i in range(randomized.size()):
		var x: int = randomized.pick_random()
		randomized.erase(x)
		shuffled.append(x)
	randomized = shuffled