namespace HSchool.Content;

internal static class PackPaths
{
    public static string Normalize(string relativePath) => relativePath.Replace('\\', '/').TrimStart('/');

    public static bool IsJsonc(string relativePath)
    {
        var path = Normalize(relativePath);
        return path.EndsWith(".jsonc", StringComparison.OrdinalIgnoreCase)
            || path.EndsWith(".json", StringComparison.OrdinalIgnoreCase);
    }

    public static bool TryGetDefKind(string relativePath, out DefKind kind)
    {
        kind = default;
        var parts = Normalize(relativePath).Split('/');
        if (parts.Length < 3 || !parts[0].Equals("defs", StringComparison.OrdinalIgnoreCase))
        {
            return false;
        }

        return TryMapFolder(parts[1], out kind);
    }

    public static bool IsPatch(string relativePath)
    {
        var path = Normalize(relativePath);
        return path.StartsWith("patches/", StringComparison.OrdinalIgnoreCase) && IsJsonc(path);
    }

    public static bool TryGetLocaleLanguage(string relativePath, out string language)
    {
        language = string.Empty;
        var path = Normalize(relativePath);
        if (!path.StartsWith("localizations/", StringComparison.OrdinalIgnoreCase) || !IsJsonc(path))
        {
            return false;
        }

        var file = Path.GetFileNameWithoutExtension(path);
        if (file.Equals("ru", StringComparison.OrdinalIgnoreCase))
        {
            language = "ru";
            return true;
        }

        if (file.Equals("en", StringComparison.OrdinalIgnoreCase))
        {
            language = "en";
            return true;
        }

        return false;
    }

    public static bool IsDefaultMap(string relativePath) =>
        Normalize(relativePath).Equals("maps/default.jsonc", StringComparison.OrdinalIgnoreCase)
        || Normalize(relativePath).Equals("maps/default.json", StringComparison.OrdinalIgnoreCase);

    private static bool TryMapFolder(string folder, out DefKind kind)
    {
        switch (folder.ToLowerInvariant())
        {
            case "actions":
                kind = DefKind.Action;
                return true;
            case "things":
                kind = DefKind.Thing;
                return true;
            case "positions":
                kind = DefKind.Position;
                return true;
            case "works":
                kind = DefKind.Work;
                return true;
            case "rooms":
                kind = DefKind.Room;
                return true;
            case "buildings":
                kind = DefKind.Building;
                return true;
            case "floors":
                kind = DefKind.Floor;
                return true;
            case "territories":
                kind = DefKind.Territory;
                return true;
            case "skills":
                kind = DefKind.Skill;
                return true;
            case "traits":
                kind = DefKind.Trait;
                return true;
            case "bodies":
                kind = DefKind.BodyAttribute;
                return true;
            case "needs":
                kind = DefKind.Need;
                return true;
            case "namesets":
                kind = DefKind.NameSet;
                return true;
            default:
                kind = default;
                return false;
        }
    }
}