// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Internal;
using Microsoft.AspNetCore.Mvc.Infrastructure;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.Net.Http.Headers;

namespace Microsoft.AspNetCore.Mvc
{
    public class PhysicalFileResultTest : PhysicalFileResultTestBase
    {
        protected override Task ExecuteAsync(
            HttpContext httpContext,
            string path,
            string contentType,
            DateTimeOffset? lastModified = null,
            EntityTagHeaderValue entityTag = null,
            bool enableRangeProcessing = false)
        {
            var fileResult = new PhysicalFileResult(path, contentType)
            {
                LastModified = lastModified,
                EntityTag = entityTag,
                EnableRangeProcessing = enableRangeProcessing,
            };

            httpContext.RequestServices = CreateServices();
            var actionContext = new ActionContext(httpContext, new(), new());

            return fileResult.ExecuteResultAsync(actionContext);
        }

        private class TestPhysicalFileResultExecutor : PhysicalFileResultExecutor
        {
            public TestPhysicalFileResultExecutor(ILoggerFactory loggerFactory)
                : base(loggerFactory)
            {
            }

            protected override FileMetadata GetFileInfo(string path)
            {
                var lastModified = DateTimeOffset.MinValue.AddDays(1);
                return new FileMetadata
                {
                    Exists = true,
                    Length = 34,
                    LastModified = new DateTimeOffset(lastModified.Year, lastModified.Month, lastModified.Day, lastModified.Hour, lastModified.Minute, lastModified.Second, TimeSpan.FromSeconds(0))
                };
            }
        }

        private static IServiceProvider CreateServices()
        {
            var services = new ServiceCollection();
            services.AddSingleton<IActionResultExecutor<PhysicalFileResult>, TestPhysicalFileResultExecutor>();
            services.AddSingleton<ILoggerFactory>(NullLoggerFactory.Instance);
            return services.BuildServiceProvider();
        }
    }
}
