class_name SaveEngine

const SAVE_FILE = "user://save.json"

static func serialize():
	return {
		"out-game": {
			"value": OutGameStorage.upgradableFieldsValue,
			"level": OutGameStorage.upgradableFieldsLevel,
			"inventory": OutGameStorage.inventory,
		},
		"ui-state": {
			"tutorial-watched": StarterPanel.tutorialWatched,
			"selected-character": StarterPanel.selectedCharacter
		}
	}
static func apply(saveData: Dictionary):
	OutGameStorage.upgradableFieldsValue = saveData["out-game"]["value"]
	OutGameStorage.upgradableFieldsLevel = saveData["out-game"]["level"]
	OutGameStorage.inventory = saveData["out-game"]["inventory"]
	StarterPanel.tutorialWatched = saveData["ui-state"]["tutorial-watched"]
	StarterPanel.selectedCharacter = saveData["ui-state"]["selected-character"]
static func load():
	var origin = JsonTool.parseFromFile(SAVE_FILE)
	if origin is Dictionary:
		origin["out-game"]["value"] = ArrayTool.mapEntries(origin["out-game"]["value"], func(key, value): return [int(key), value])
		origin["out-game"]["level"] = ArrayTool.mapEntries(origin["out-game"]["level"], func(key, value): return [int(key), value])
		origin["out-game"]["inventory"] = ArrayTool.mapEntries(origin["out-game"]["inventory"], func(key, value): return [int(key), value])
		return origin
static func save():
	var file = FileAccess.open(SAVE_FILE, FileAccess.ModeFlags.WRITE)
	if file is FileAccess:
		file.store_string(JsonTool.stringify(serialize()))
		file.close()