using Prefab.Handler.Decorators;

namespace Prefab.Handler;

/// <summary>
/// Provides a base class for handler implementations that require access to the current handler context.
/// </summary>
/// <param name="accessor">The accessor used to retrieve the current handler context. Cannot be null.</param>
public abstract class HandlerBase(IHandlerContextAccessor accessor)
{
    protected IHandlerContextAccessor Accessor { get; } = accessor;

    protected HandlerContext Context => Accessor.Current ?? 
        throw new InvalidOperationException($"HandlerContext not set ({nameof(HandlerContextDecorator)}) must run first).");
}