// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Buffers;
using System.Collections.Generic;
using System.Net.Http;
using Microsoft.Extensions.Http.Diagnostics;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.ObjectPool;
 
namespace Microsoft.Extensions.Http.Logging.Internal;
 
/// <summary>
/// Parsed HTTP information.
/// </summary>
internal sealed class LogRecord : IResettable
{
    /// <summary>
    /// Gets or sets HTTP host.
    /// </summary>
    public string Host { get; set; } = string.Empty;
 
    /// <summary>
    /// Gets or sets HTTP request method.
    /// </summary>
    public HttpMethod? Method { get; set; }
 
    /// <summary>
    /// Gets or sets parsed request path.
    /// </summary>
    public string Path { get; set; } = string.Empty;
 
    /// <summary>
    /// Gets or sets HTTP request duration in milliseconds.
    /// </summary>
    public long Duration { get; set; }
 
    /// <summary>
    /// Gets or sets HTTP response status code.
    /// </summary>
    public int? StatusCode { get; set; }
 
    /// <summary>
    /// Gets or sets parsed list of request headers.
    /// </summary>
    public List<KeyValuePair<string, string>>? RequestHeaders { get; set; }
 
    /// <summary>
    /// Gets or sets parsed list of headers.
    /// </summary>
    public List<KeyValuePair<string, string>>? ResponseHeaders { get; set; }
 
    /// <summary>
    /// Gets or sets parsed request body.
    /// </summary>
    public string? RequestBody { get; set; }
 
    /// <summary>
    /// Gets or sets parsed response body.
    /// </summary>
    public string? ResponseBody { get; set; }
 
    /// <summary>
    /// Gets or sets enrichment properties.
    /// </summary>
    public LoggerMessageState? EnrichmentTags { get; set; }
 
    /// <summary>
    /// Gets or sets request path parameters.
    /// </summary>
    public HttpRouteParameter[]? PathParameters { get; set; }
 
    /// <summary>
    /// Gets or sets request path parameters count for <see cref="PathParameters"/>.
    /// </summary>
    public int PathParametersCount { get; set; }
 
    /// <summary>
    /// Gets or sets formatted query parameters.
    /// </summary>
    public string? QueryString { get; set; }
 
    public bool TryReset()
    {
        if (PathParameters != null)
        {
            ArrayPool<HttpRouteParameter>.Shared.Return(PathParameters);
            PathParameters = null;
        }
 
        Host = string.Empty;
        Method = null;
        Path = string.Empty;
        Duration = 0;
        StatusCode = null;
        RequestBody = null;
        ResponseBody = null;
        EnrichmentTags = null;
        RequestHeaders = null;
        ResponseHeaders = null;
        PathParametersCount = 0;
        QueryString = string.Empty;
        return true;
    }
}