package main

import "slices"

var REQUIRED_IMAGES = []string{
	"ART",
	"CREDIT",
	"FLOOR",
	"ROOF",
	"WALL",
}
var OPTIONAL_BUTREQUIRED_IMAGES = []string{
	"MINI",
	"INTERACT",
	"LAYER",
}
var OPTIONAL_IMAGES = []string{
	"WALL2",
	"WALL3",
	"WALL4",
}
var ACCEPTED_IMAGE_EXT = []string{
	"PNG",
	"JPG",
	"BMP",
}

var OPTIONAL_BUTREQUIRED_AUDIO = []string{
	"FOOT",
	"MUSIC",
}
var ACCEPTED_AUDIO_EXT = []string{
	"WAV",
	"MP3",
	"OGG",
	"MIDI",
}

func gameRequiredImages() []string {
	minimal := make([]string, len(REQUIRED_IMAGES))
	copy(minimal, REQUIRED_IMAGES)
	return minimal
}

func gameExtraRequiredImages() []string {
	extra := make([]string, len(OPTIONAL_BUTREQUIRED_IMAGES))
	copy(extra, OPTIONAL_BUTREQUIRED_IMAGES)
	return extra
}

func gameExtraRequiredAudios() []string {
	extra := make([]string, len(OPTIONAL_BUTREQUIRED_AUDIO))
	copy(extra, OPTIONAL_BUTREQUIRED_AUDIO)
	return extra
}

func isAcceptedImageExt(ext string) bool {
	return slices.Contains(ACCEPTED_IMAGE_EXT, ext)
}

func isAcceptedAudioExt(ext string) bool {
	return slices.Contains(ACCEPTED_AUDIO_EXT, ext)
}

func isAcceptedFile(name, ext string) bool {
	return (isAcceptedImageExt(ext) && (slices.Contains(REQUIRED_IMAGES, name) || slices.Contains(OPTIONAL_BUTREQUIRED_IMAGES, name) || slices.Contains(OPTIONAL_IMAGES, name))) ||
		(isAcceptedAudioExt(ext) && slices.Contains(OPTIONAL_BUTREQUIRED_AUDIO, name))
}