// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Http;
 
namespace Microsoft.AspNetCore.Routing.Matching;
 
/// <summary>
/// Represents an edge in a matcher policy graph.
/// </summary>
public readonly struct PolicyNodeEdge
{
    /// <summary>
    /// Constructs a new <see cref="PolicyNodeEdge"/> instance.
    /// </summary>
    /// <param name="state">Represents the match heuristic of the policy.</param>
    /// <param name="endpoints">Represents the endpoints that match the policy</param>
    public PolicyNodeEdge(object state, IReadOnlyList<Endpoint> endpoints)
    {
        State = state ?? throw new System.ArgumentNullException(nameof(state));
        Endpoints = endpoints ?? throw new System.ArgumentNullException(nameof(endpoints));
    }
 
    /// <summary>
    /// Gets the endpoints that match the policy defined by <see cref="State"/>.
    /// </summary>
    public IReadOnlyList<Endpoint> Endpoints { get; }
 
    /// <summary>
    /// Gets the object used to represent the match heuristic. Can be a host, HTTP method, etc.
    /// depending on the matcher policy.
    /// </summary>
    public object State { get; }
}