using System.Net;
using InnovEnergy.Lib.Utils;

namespace InnovEnergy.Lib.WebServer;

public static class HttpExtensions
{
    public static String AsString(this ContentType t) => Types[(Int32) t];

    public static IEnumerable<HttpHeader> ParseHeaders(this HttpListenerRequest req)
    {
        var headers = req.Headers;
        return headers
              .AllKeys
              .EmptyIfNull()
              .Select(k => new HttpHeader(k!, headers[k]!));
    }


    public static HttpMethod ParseMethod(this HttpListenerRequest request)
    {
        return request.HttpMethod.ToUpper() switch
        {
            "GET"     => HttpMethod.Get,
            "POST"    => HttpMethod.Post,
            "PUT"     => HttpMethod.Put,
            "PATCH"   => HttpMethod.Patch,
            "CONNECT" => HttpMethod.Connect,
            "HEAD"    => HttpMethod.Head,
            "DELETE"  => HttpMethod.Delete,
            "OPTIONS" => HttpMethod.Options,
            "TRACE"   => HttpMethod.Trace,
            _         => HttpMethod.Unknown
        };
    }

    public static readonly IReadOnlyList<String> Types = new[]
    {
        "application/atom+xml",
        "application/atomcat+xml",
        "application/ecmascript",
        "application/java-archive",
        "application/javascript",
        "application/json",
        "application/mp4",
        "application/octet-stream",
        "application/pdf",
        "application/pkcs10",
        "application/pkcs7-mime",
        "application/pkcs7-signature",
        "application/pkcs8",
        "application/postscript",
        "application/rdf+xml",
        "application/rss+xml",
        "application/rtf",
        "application/smil+xml",
        "application/x-font-otf",
        "application/x-font-ttf",
        "application/x-font-woff",
        "application/x-pkcs12",
        "application/x-shockwave-flash",
        "application/x-silverlight-app",
        "application/xhtml+xml",
        "application/xml",
        "application/xml-dtd",
        "application/xslt+xml",
        "application/zip",
        "audio/midi",
        "audio/mp4",
        "audio/mpeg",
        "audio/ogg",
        "audio/webm",
        "audio/x-aac",
        "audio/x-aiff",
        "audio/x-mpegurl",
        "audio/x-ms-wma",
        "audio/x-wav",
        "image/bmp",
        "image/gif",
        "image/jpeg",
        "image/png",
        "image/svg+xml",
        "image/tiff",
        "image/webp",
        "text/css",
        "text/csv",
        "text/html",
        "text/plain",
        "text/richtext",
        "text/sgml",
        "text/yaml",
        "video/3gpp",
        "video/h264",
        "video/mp4",
        "video/mpeg",
        "video/ogg",
        "video/quicktime",
        "video/webm",
    };
}