using System;
using System.Collections.Generic;

namespace Jellyfin.Plugin.RecentlyAddedGuard.Core;

/// <summary>
/// Kind of logical medium tracked by the ledger.
/// </summary>
public enum MediaKind
{
    /// <summary>A movie.</summary>
    Movie,

    /// <summary>A TV episode (or a multi-episode file).</summary>
    Episode
}

/// <summary>
/// Jellyfin-independent snapshot of a library item, as consumed by the <see cref="Reconciler"/>.
/// </summary>
/// <param name="ItemId">The Jellyfin item id.</param>
/// <param name="Kind">The kind of medium.</param>
/// <param name="DateCreated">The item's current "date added" (UTC).</param>
/// <param name="Keys">All identity keys of the logical medium; empty if the item cannot be identified yet.</param>
/// <param name="DisplayName">Human readable name for logs and the configuration page.</param>
public sealed record MediaIdentity(
    Guid ItemId,
    MediaKind Kind,
    DateTime DateCreated,
    IReadOnlyList<string> Keys,
    string DisplayName);