// 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;
using Microsoft.Extensions.FileProviders;

namespace Microsoft.AspNetCore.StaticFiles.Infrastructure;

/// <summary>
/// Options common to several middleware components
/// </summary>
public class SharedOptions
{
    private PathString _requestPath;

    /// <summary>
    /// Defaults to all request paths.
    /// </summary>
    public SharedOptions()
    {
        RequestPath = PathString.Empty;
    }

    /// <summary>
    /// The request path that maps to static resources
    /// </summary>
    public PathString RequestPath
    {
        get { return _requestPath; }
        set
        {
            if (value.HasValue && value.Value!.EndsWith('/'))
            {
                throw new ArgumentException("Request path must not end in a slash");
            }
            _requestPath = value;
        }
    }

    /// <summary>
    /// The file system used to locate resources
    /// </summary>
    public IFileProvider? FileProvider { get; set; }

    /// <summary>
    /// Indicates whether to redirect to add a trailing slash at the end of path. Relative resource links may require this.
    /// </summary>
    public bool RedirectToAppendTrailingSlash { get; set; } = true;
}