class_name ArrayTool

static func removeAll(array: Array, value) -> Array:
	var result = []
	for item in array:
		if item != value:
			result.append(item)
	return result
static func swap(array: Array, a: int, b: int):
	var temp = array[a]
	array[a] = array[b]
	array[b] = temp
	return array
static func parseEncodedObject(arr: Array) -> Array:
	var result = []
	for item in arr:
		if item is EncodedObjectAsID:
			result.append(instance_from_id(item.get_instance_id()))
		else:
			result.append(item)
	return result
static func betterMap(arr: Array, executor: Callable) -> Array:
	var result = []
	for index in len(arr):
		result.append(executor.call(arr[index], index, arr))
	return result
static func fill(origin: Dictionary, filler: Callable) -> Dictionary:
	return origin.keys().reduce(
		func(accum, key):
			accum[key] = filler.call(key)
			return accum,
		{}
	)
static func mapEntries(origin: Dictionary, mapper: Callable) -> Dictionary:
	return origin.keys().reduce(
		func(accum, key):
			var entry = mapper.call(key, origin[key])
			accum[entry[0]] = entry[1]
			return accum,
		{}
	)
static func dictionaryFromEntries(keys: Array, values: Array) -> Dictionary:
	var result = {}
	for index in len(keys):
		var key = keys[index]
		var value = values[index]
		result[key] = value
	return result
static func mergeDictionary(a: Dictionary, b: Dictionary) -> Dictionary:
	var result := {}
	for key in a:
		result[key] = a[key]
	for key in b:
		result[key] = result.get(key, 0.0) + b[key]
	return result
static func getNested(data: Variant, path: String) -> Variant:
	var keys = path.split(".")
	var result = data
	for key in keys:
		if result is Dictionary:
			result = result[key]
		elif result is Array:
			result = result[key.to_int()]
		else:
			return null
	return result
static func setNested(data: Variant, path: String, value: Variant):
	var keys = path.split(".")
	for i in range(keys.size() - 1):
		var key = keys[i]
		if data is Dictionary:
			data = data[key]
		elif data is Array:
			data = data[key.to_int()]
		else:
			return
	var lastKey = keys[-1]
	if data is Dictionary:
		data[lastKey] = value
	elif data is Array:
		var index = lastKey.to_int()
		if index == data.size():
			data.append(value)
		else:
			data[index] = value
	return data