using System.Diagnostics.CodeAnalysis;
using PkmnLib.Static.Utils;

namespace PkmnLib.Static.Libraries;

/// <summary>
/// The library for all items in the game.
/// </summary>
public interface IReadOnlyItemLibrary : IEnumerable<IItem>
{
    /// <summary>
    /// Tries to get an item from the library. Returns false if the item is not found.
    /// </summary>
    bool TryGet(StringKey key, [MaybeNullWhen(false)] out IItem value);

    /// <summary>
    /// Gets a random item from the library.
    /// </summary>
    IItem GetRandom(IRandom random);

    /// <summary>
    /// The amount of items in the library.
    /// </summary>
    int Count { get; }

    /// <summary>
    /// Whether the library is empty.
    /// </summary>
    bool IsEmpty { get; }
}

/// <inheritdoc cref="IReadOnlyItemLibrary"/>
public class ItemLibrary : DataLibrary<IItem>, IReadOnlyItemLibrary;