extends Control
const DirectorySettingsEntry = preload('res://scenes/DirectorySettingsEntry.tscn')
onready var container_folders = $'%container_folders'

signal exit_mode

var paths = []
var path_entries := []
# Called when the node enters the scene tree for the first time.
func _ready():
	paths = Array(Settings.get_library_paths())
	generate_entries()

func generate_entries():
	paths.append("")
	for entry in path_entries:
		container_folders.remove_child(entry)
	path_entries = []

	for path in paths:
		var entry = DirectorySettingsEntry.instance()
		entry.connect('path_updated', self, '_entry_updated', [len(path_entries)])
		path_entries.append(entry)
		entry.directory = path
		container_folders.add_child(entry)
	path_entries[0].removable = false
	path_entries[0].readonly = true

func get_paths_from_entries() -> Array:
	var paths := []
	for entry in path_entries:
		var dir = entry.directory
		if dir:
			paths.append(entry.directory)
	return paths

func _save_settings():
	var paths = get_paths_from_entries()
	var user_path: String = paths[0]
	var extra_paths: Array = paths.slice(1, -1)
	Settings.set_additional_library_paths(extra_paths)

func _entry_updated(new_path: String, index: int):
	paths = get_paths_from_entries()
	if (index == len(path_entries)-1):
		if new_path:
			generate_entries()
	elif not new_path:
		generate_entries()

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


func _on_btn_back_pressed():
	_save_settings()
	emit_signal('exit_mode')