AlayaCore/AlayaCore/Models/Manifests/ModFileEntry.cs

using System;
using AlayaCore.Utilities.Enums;

namespace AlayaCore.Models.Manifests
{
    [Serializable]
    public sealed class ModFileEntry
    {
        public string FileName { get; }
        public FileType Type { get; }
        public string? ModrinthId { get; }
        public string? ModrinthVersionId { get; }
        public string Sha512Hash { get; }

        public ModFileEntry(
            string name,
            FileType type,
            string sha512Hash,
            string? modrinthId = null,
            string? modrinthVersionId = null)
        {
            FileName = RequireNonEmpty(name, nameof(name));
            Type = type;
            Sha512Hash = RequireNonEmpty(sha512Hash, nameof(sha512Hash));
            ModrinthId = NormalizeOptional(modrinthId);
            ModrinthVersionId = NormalizeOptional(modrinthVersionId);
        }

        private static string RequireNonEmpty(string value, string paramName)
        {
            if (string.IsNullOrWhiteSpace(value))
            {
                throw new ArgumentException("Value cannot be null, empty, or whitespace.", paramName);
            }

            return value;
        }

        private static string? NormalizeOptional(string? value)
        {
            return string.IsNullOrWhiteSpace(value) ? null : value;
        }
    }
}