using Shared.Engine.RxEnumerate;
using Shared.Models.SISI.Base;
using Shared.Models.SISI.OnResult;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Web;

namespace Shared.Engine.SISI
{
    public static class PornHubTo
    {
        static readonly ThreadLocal<StringBuilder> sbUri = new(() => new StringBuilder(PoolInvk.rentChunk));

        #region Uri
        public static string Uri(string host, string plugin, string search, string model, string sort, int c, string hd, int pg)
        {
            var url = sbUri.Value;
            url.Clear();

            char splitkey = '?';

            url.Append(host);
            url.Append("/");

            if (!string.IsNullOrEmpty(search))
            {
                url.Append($"video/search?search={HttpUtility.UrlEncode(search)}");

                if (!string.IsNullOrEmpty(sort))
                    url.Append($"&o={sort}");
            }
            else if (!string.IsNullOrEmpty(model))
            {
                if (model.StartsWith("pornstar/"))
                    url.Append($"{model}/videos/upload");
                else
                    url.Append($"model/{model}/videos");
            }
            else
            {
                switch (plugin ?? "")
                {
                    case "phubgay":
                        url.Append("gay/video");
                        break;
                    case "phubsml":
                        url.Append("transgender");
                        break;
                    default:
                        url.Append("video");
                        break;
                }

                if (!string.IsNullOrEmpty(sort))
                {
                    url.Append($"{splitkey}o={sort}");
                    splitkey = '&';
                }

                if (!string.IsNullOrEmpty(hd))
                {
                    url.Append($"{splitkey}hd={hd}");
                    splitkey = '&';
                }

                if (c > 0)
                {
                    url.Append($"{splitkey}c={c}");
                    splitkey = '&';
                }
            }

            if (pg > 1)
                url.Append($"{splitkey}page={pg}");

            return url.ToString();
        }
        #endregion

        #region Playlist
        public static List<PlaylistItem> Playlist(string video_uri, string list_uri, ReadOnlySpan<char> html, Func<PlaylistItem, PlaylistItem> onplaylist = null, bool related = false, bool prem = false, bool IsModel_page = false)
        {
            if (html.IsEmpty)
                return null;

            var videoCategory = ReadOnlySpan<char>.Empty;

            if (related)
            {
                videoCategory = HtmlSpan.Node(html, "*", "id", "relatedVideosListing", HtmlSpanTargetType.Exact);
                if (videoCategory.IsEmpty)
                    videoCategory = HtmlSpan.Node(html, "*", "id", "relatedVideos", HtmlSpanTargetType.Exact);
            }
            else if (html.Contains("id=\"videoCategory\"", StringComparison.Ordinal))
            {
                videoCategory = HtmlSpan.Node(html, "*", "id", "videoCategory", HtmlSpanTargetType.Exact);
            }
            else if (html.Contains("videoList clearfix browseVideo-tabSplit", StringComparison.Ordinal))
            {
                var ids = Rx.Split("videoList clearfix browseVideo-tabSplit", html);
                if (ids.Count > 1)
                {
                    videoCategory = ids[1].Span;

                    if (videoCategory.Contains("<h2>Languages</h2>", StringComparison.Ordinal))
                        videoCategory = Rx.Split("<h2>Languages</h2>", videoCategory)[0].Span;

                    if (videoCategory.Contains("pageHeader", StringComparison.Ordinal))
                        videoCategory = Rx.Split("pageHeader", videoCategory)[0].Span;
                }
            }
            else
            {
                videoCategory = HtmlSpan.Node(html, "*", "id", "videoSearchResult", HtmlSpanTargetType.Exact);

                if (videoCategory.IsEmpty)
                    videoCategory = HtmlSpan.Node(html, "*", "id", "mostRecentVideosSection", HtmlSpanTargetType.Exact);

                if (videoCategory.IsEmpty)
                    videoCategory = HtmlSpan.Node(html, "*", "id", "moreData", HtmlSpanTargetType.Exact);

                if (videoCategory.IsEmpty)
                    videoCategory = HtmlSpan.Node(html, "*", "id", "content-tv-container", HtmlSpanTargetType.Exact);

                if (videoCategory.IsEmpty)
                    videoCategory = HtmlSpan.Node(html, "*", "id", "lazyVids", HtmlSpanTargetType.Exact);
            }

            if (videoCategory.IsEmpty)
                return null;

            ModelItem model = null;

            if (IsModel_page) 
            {
                string name = Rx.Match(html, "itemprop=\"name\">([\r\n\t ]+)?([^<]+)</h1>", 2);
                string href = Rx.Match(html, "rel=\"canonical\" href=\"(https?://[^/]+)?/model/([^/]+)/", 2);

                if (!string.IsNullOrEmpty(name) && !string.IsNullOrEmpty(href))
                {
                    model = new ModelItem()
                    {
                        name = name.Trim(),
                        uri = list_uri + (list_uri.Contains("?") ? "&" : "?") + $"model={href}",
                    };
                }
            }

            string splitkey = videoCategory.Contains("pcVideoListItem ", StringComparison.Ordinal) 
                ? "pcVideoListItem " : videoCategory.Contains("data-video-segment", StringComparison.Ordinal) 
                ? "data-video-segment" : videoCategory.Contains("<li data-id=", StringComparison.Ordinal) 
                ? "<li data-id=" : "<li id=";

            var rx = Rx.Split(splitkey, videoCategory, 1);
            if (rx.Count == 0)
                return null;

            var playlists = new List<PlaylistItem>(rx.Count);

            foreach (var row in rx.Rows())
            {
                if (row.Contains("brand__badge") || row.Contains("private-vid-title"))
                    continue;

                string vkey = row.Match("(-|_)vkey=\"([^\"]+)\"", 2) ?? row.Match("viewkey=([^\"]+)\"");
                if (vkey == null)
                    continue;

                string title = row.Match("href=\"/[^\"]+\" title=\"([^\"]+)\"") ?? row.Match("class=\"videoTitle\">([^<]+)<") ?? row.Match("href=\"/view_[^\"]+\" onclick=[^>]+>([^<]+)<");
                if (title == null)
                    continue;

                string img = row.Match("data-mediumthumb=\"(https?://[^\"]+)\"") ?? row.Match("<img( [^>]+)? src=\"([^\"]+)\"", 2);
                if (img == null)
                    continue;

                if (!IsModel_page)
                {
                    model = null;
                    var gmodel = row.Groups("href=\"/model/([^\"]+)\"[^>]+>([^<]+)<");
                    if (string.IsNullOrEmpty(gmodel[1].Value))
                        gmodel = row.Groups("href=\"/(pornstar/[^\"]+)\"[^>]+>([^<]+)<");

                    if (!string.IsNullOrEmpty(gmodel[1].Value))
                    {
                        model = new ModelItem()
                        {
                            name = gmodel[2].Value,
                            uri = list_uri + (list_uri.Contains("?") ? "&" : "?") + $"model={gmodel[1].Value}",
                        };
                    }
                }

                var pl = new PlaylistItem()
                {
                    name = title,
                    video = $"{video_uri}?vkey={vkey}",
                    model = model,
                    picture = img,
                    preview = row.Match("data-mediabook=\"(https?://[^\"]+)\"") ?? row.Match("data-webm=\"(https?://[^\"]+)\""),
                    time = row.Match("<var class=\"duration\">([^<]+)</var>") ?? row.Match("class=\"time\">([^<]+)<") ?? row.Match("class=\"videoDuration floatLeft\">([^<]+)<") ?? row.Match("time\">([^<]+)<"),
                    json = true,
                    related = true,
                    bookmark = new Bookmark()
                    {
                        site = prem ? "phubprem" : "phub",
                        href = vkey,
                        image = img
                    }
                };

                if (onplaylist != null)
                    pl = onplaylist.Invoke(pl);

                playlists.Add(pl);
            }

            return playlists;
        }
        #endregion

        #region Menu
        public static List<MenuItem> Menu(string host, string plugin, string search, string sort, int c, string hd = null)
        {
            #region getSortName
            string getSortName(string sort, string emptyName)
            {
                if (string.IsNullOrWhiteSpace(sort))
                    return emptyName;

                switch (sort)
                {
                    case "mr":
                    case "cm":
                        return "новейшее";

                    case "ht":
                        return "самые горячие";

                    case "vi":
                    case "mv":
                        return "больше просмотров";

                    case "ra":
                    case "tr":
                        return "лучшие";

                    default:
                        return emptyName;
                }
            }
            #endregion

            host = string.IsNullOrWhiteSpace(host) ? string.Empty : $"{host}/";
            string url = host + plugin;

            if (!string.IsNullOrEmpty(search))
            {
                string encodesearch = HttpUtility.UrlEncode(search);

                return new List<MenuItem>()
                {
                    new MenuItem()
                    {
                        title = "Поиск",
                        search_on = "search_on",
                        playlist_url = url,
                    },
                    new MenuItem()
                    {
                        title = $"Сортировка: {getSortName(sort, "Наиболее актуальное")}",
                        playlist_url = "submenu",
                        submenu = new List<MenuItem>()
                        {
                            new MenuItem()
                            {
                                title = "Наиболее актуальное",
                                playlist_url = url + $"?search={encodesearch}"
                            },
                            new MenuItem()
                            {
                                title = "Новейшее",
                                playlist_url = url + $"?search={encodesearch}&sort=mr"
                            },
                            new MenuItem()
                            {
                                title = "Лучшие",
                                playlist_url = url + $"?search={encodesearch}&sort=tr"
                            },
                            new MenuItem()
                            {
                                title = "Больше просмотров",
                                playlist_url = url + $"?search={encodesearch}&sort=mv"
                            }
                        }
                    }
                };
            }

            var menu = new List<MenuItem>()
            {
                new MenuItem()
                {
                    title = "Поиск",
                    search_on = "search_on",
                    playlist_url = url,
                },
                new MenuItem()
                {
                    title = $"Сортировка: {getSortName(sort, "Недавно в избранном")}",
                    playlist_url = "submenu",
                    submenu = new List<MenuItem>()
                    {
                        new MenuItem()
                        {
                            title = "Недавно в избранном",
                            playlist_url = url + $"?hd={hd}&c={c}"
                        },
                        new MenuItem()
                        {
                            title = "Новейшее",
                            playlist_url = url + $"?hd={hd}&c={c}&sort=cm"
                        },
                        new MenuItem()
                        {
                            title = "Самые горячие",
                            playlist_url = url + $"?hd={hd}&c={c}&sort=ht"
                        },
                        new MenuItem()
                        {
                            title = "Лучшие",
                            playlist_url = url + $"?hd={hd}&c={c}&sort=tr"
                        }
                    }
                }
            };

            if (plugin == "pornhubpremium" || plugin == "phubprem")
            {
                menu.Insert(1, new MenuItem()
                {
                    title = $"Качество: {(hd == "2" ? "1080p" : hd == "3" ? "1440p" : hd == "4" ? "2160p" : "все")}",
                    playlist_url = "submenu",
                    submenu = new List<MenuItem>()
                    {
                        new MenuItem()
                        {
                            title = "Все",
                            playlist_url = url + $"?sort={sort}&c={c}"
                        },
                        new MenuItem()
                        {
                            title = "2160p",
                            playlist_url = url + $"?sort={sort}&c={c}&hd=4"
                        },
                        new MenuItem()
                        {
                            title = "1440p",
                            playlist_url = url + $"?sort={sort}&c={c}&hd=3"
                        },
                        new MenuItem()
                        {
                            title = "1080p",
                            playlist_url = url + $"?sort={sort}&c={c}&hd=2"
                        }
                    }
                });
            }
            else
            {
                menu.Add(new MenuItem()
                {
                    title = $"Ориентация: {(plugin == "phubgay" ? "Геи" : plugin == "phubsml" ? "Трансы" : "Гетеро")}",
                    playlist_url = "submenu",
                    submenu = new List<MenuItem>()
                    {
                        new MenuItem()
                        {
                            title = "Гетеро",
                            playlist_url = host + "phub",
                        },
                        new MenuItem()
                        {
                            title = "Геи",
                            playlist_url = host + "phubgay",
                        },
                        new MenuItem()
                        {
                            title = "Трансы",
                            playlist_url = host + "phubsml",
                        }
                    }
                });
            }

            if (plugin == "phubgay")
            {
                var submenu = new List<MenuItem>()
                {
                    new MenuItem()
                    {
                        title = "Все",
                        playlist_url = url + $"?hd={hd}&sort={sort}"
                    },
                    new MenuItem()
                    {
                        title = "Азиаты",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=48"
                    },
                    new MenuItem()
                    {
                        title = "Без презерватива",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=40"
                    },
                    new MenuItem()
                    {
                        title = "Большие члены",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=58"
                    },
                    new MenuItem()
                    {
                        title = "Веб-камера",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=342"
                    },
                    new MenuItem()
                    {
                        title = "Гонзо",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=372"
                    },
                    new MenuItem()
                    {
                        title = "Грубый секс",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=312"
                    },
                    new MenuItem()
                    {
                        title = "Дрочит",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=262"
                    },
                    new MenuItem()
                    {
                        title = "Жеребцы",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=70"
                    },
                    new MenuItem()
                    {
                        title = "Зрелые",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=332"
                    },
                    new MenuItem()
                    {
                        title = "Кастинги",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=362"
                    },
                    new MenuItem()
                    {
                        title = "Качки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=322"
                    },
                    new MenuItem()
                    {
                        title = "Колледж",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=68"
                    },
                    new MenuItem()
                    {
                        title = "Кончают",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=352"
                    },
                    new MenuItem()
                    {
                        title = "Кремпай",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=71"
                    },
                    new MenuItem()
                    {
                        title = "Латино",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=50"
                    },
                    new MenuItem()
                    {
                        title = "Любительское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=252"
                    },
                    new MenuItem()
                    {
                        title = "Массаж",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=45"
                    },
                    new MenuItem()
                    {
                        title = "Медведь",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=66"
                    },
                    new MenuItem()
                    {
                        title = "Межрассовый Секс",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=64"
                    },
                    new MenuItem()
                    {
                        title = "Минет",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=56"
                    },
                    new MenuItem()
                    {
                        title = "Молоденькие геи",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=49"
                    },
                    new MenuItem()
                    {
                        title = "Мультики",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=422"
                    },
                    new MenuItem()
                    {
                        title = "Мускулистые",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=51"
                    },
                    new MenuItem()
                    {
                        title = "На публике",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=84"
                    },
                    new MenuItem()
                    {
                        title = "Не обрезанные",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=272"
                    },
                    new MenuItem()
                    {
                        title = "Негры",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=44"
                    },
                    new MenuItem()
                    {
                        title = "Ноги",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=412"
                    },
                    new MenuItem()
                    {
                        title = "Папики",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=47"
                    },
                    new MenuItem()
                    {
                        title = "Парни (соло)",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=54"
                    },
                    new MenuItem()
                    {
                        title = "Пухленькие",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=392"
                    },
                    new MenuItem()
                    {
                        title = "Ретро",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=77"
                    },
                    new MenuItem()
                    {
                        title = "Татуированные Мужчины",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=552"
                    },
                    new MenuItem()
                    {
                        title = "Фетиш",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=52"
                    }
                };

                menu.Add(new MenuItem()
                {
                    title = $"Категория: {submenu.FirstOrDefault(i => i.playlist_url!.EndsWith($"&c={c}")).title ?? "все"}",
                    playlist_url = "submenu",
                    submenu = submenu
                });
            }
            else if (plugin == "phub" || plugin == "phubprem")
            {
                var submenu = new List<MenuItem>()
                {
                    new MenuItem()
                    {
                        title = "Все",
                        playlist_url = url + $"?hd={hd}&sort={sort}"
                    },
                    new MenuItem()
                    {
                        title = "Женский Выбор",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=73"
                    },
                    new MenuItem()
                    {
                        title = "Русское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=99"
                    },
                    new MenuItem()
                    {
                        title = "Немецкое",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=95"
                    },
                    new MenuItem()
                    {
                        title = "60FPS",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=105"
                    },
                    new MenuItem()
                    {
                        title = "Азиатки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=1"
                    },
                    new MenuItem()
                    {
                        title = "Анальный секс",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=35"
                    },
                    new MenuItem()
                    {
                        title = "Арабское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=98"
                    },
                    new MenuItem()
                    {
                        title = "БДСМ",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=10"
                    },
                    new MenuItem()
                    {
                        title = "Безобидный контент",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=221"
                    },
                    new MenuItem()
                    {
                        title = "Бисексуалы",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=76"
                    },
                    new MenuItem()
                    {
                        title = "Блондинки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=9"
                    },
                    new MenuItem()
                    {
                        title = "Большая грудь",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=8"
                    },
                    new MenuItem()
                    {
                        title = "Большие члены",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=7"
                    },
                    new MenuItem()
                    {
                        title = "Бразильское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=102"
                    },
                    new MenuItem()
                    {
                        title = "Британское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=96"
                    },
                    new MenuItem()
                    {
                        title = "Брызги",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=69"
                    },
                    new MenuItem()
                    {
                        title = "Брюнетки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=11"
                    },
                    new MenuItem()
                    {
                        title = "Буккаке",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=14"
                    },
                    new MenuItem()
                    {
                        title = "В школе",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=88"
                    },
                    new MenuItem()
                    {
                        title = "Веб-камера",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=61"
                    },
                    new MenuItem()
                    {
                        title = "Вечеринки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=53"
                    },
                    new MenuItem()
                    {
                        title = "Гонзо",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=41"
                    },
                    new MenuItem()
                    {
                        title = "Грубый секс",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=67"
                    },
                    new MenuItem()
                    {
                        title = "Групповуха",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=80"
                    },
                    new MenuItem()
                    {
                        title = "Двойное проникновение",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=72"
                    },
                    new MenuItem()
                    {
                        title = "Девушки (соло)",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=492"
                    },
                    new MenuItem()
                    {
                        title = "Дрочит",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=20"
                    },
                    new MenuItem()
                    {
                        title = "Европейцы",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=55"
                    },
                    new MenuItem()
                    {
                        title = "Женский оргазм",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=502"
                    },
                    new MenuItem()
                    {
                        title = "Жесткий секс",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=21"
                    },
                    new MenuItem()
                    {
                        title = "За кадром",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=141"
                    },
                    new MenuItem()
                    {
                        title = "Звезды",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=12"
                    },
                    new MenuItem()
                    {
                        title = "Золотой дождь",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=211"
                    },
                    new MenuItem()
                    {
                        title = "Зрелые",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=28"
                    },
                    new MenuItem()
                    {
                        title = "Игрушки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=23"
                    },
                    new MenuItem()
                    {
                        title = "Индийское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=101"
                    },
                    new MenuItem()
                    {
                        title = "Итальянское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=97"
                    },
                    new MenuItem()
                    {
                        title = "Кастинги",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=90"
                    },
                    new MenuItem()
                    {
                        title = "Колледж",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=79"
                    },
                    new MenuItem()
                    {
                        title = "Кончают",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=16"
                    },
                    new MenuItem()
                    {
                        title = "Корейское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=103"
                    },
                    new MenuItem()
                    {
                        title = "Косплей",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=241"
                    },
                    new MenuItem()
                    {
                        title = "Красотки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=5"
                    },
                    new MenuItem()
                    {
                        title = "Кремпай",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=15"
                    },
                    new MenuItem()
                    {
                        title = "Кунилингус",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=131"
                    },
                    new MenuItem()
                    {
                        title = "Курящие",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=91"
                    },
                    new MenuItem()
                    {
                        title = "Латинки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=26"
                    },
                    new MenuItem()
                    {
                        title = "Любительское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=3"
                    },
                    new MenuItem()
                    {
                        title = "Маленькая грудь",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=59"
                    },
                    new MenuItem()
                    {
                        title = "Мамочки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=29"
                    },
                    new MenuItem()
                    {
                        title = "Массаж",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=78"
                    },
                    new MenuItem()
                    {
                        title = "Мастурбация",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=22"
                    },
                    new MenuItem()
                    {
                        title = "Межрассовый Секс",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=25"
                    },
                    new MenuItem()
                    {
                        title = "Минет",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=13"
                    },
                    new MenuItem()
                    {
                        title = "Мулаты",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=17"
                    },
                    new MenuItem()
                    {
                        title = "Мультики",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=86"
                    },
                    new MenuItem()
                    {
                        title = "Мускулистые Мужчины",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=512"
                    },
                    new MenuItem()
                    {
                        title = "На публике",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=24"
                    },
                    new MenuItem()
                    {
                        title = "Ноги",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=93"
                    },
                    new MenuItem()
                    {
                        title = "Няни",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=89"
                    },
                    new MenuItem()
                    {
                        title = "Пародия",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=201"
                    },
                    new MenuItem()
                    {
                        title = "Пенсионеры / подростки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=181"
                    },
                    new MenuItem()
                    {
                        title = "Подростки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=37"
                    },
                    new MenuItem()
                    {
                        title = "Попки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=4"
                    },
                    new MenuItem()
                    {
                        title = "Приколы",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=32"
                    },
                    new MenuItem()
                    {
                        title = "Ретро",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=43"
                    },
                    new MenuItem()
                    {
                        title = "Рогоносцы",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=242"
                    },
                    new MenuItem()
                    {
                        title = "Ролевые Игры",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=81"
                    },
                    new MenuItem()
                    {
                        title = "Романтическое",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=522"
                    },
                    new MenuItem()
                    {
                        title = "Рыжие",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=42"
                    },
                    new MenuItem()
                    {
                        title = "Секс втроем",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=65"
                    },
                    new MenuItem()
                    {
                        title = "Секс-оргия",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=2"
                    },
                    new MenuItem()
                    {
                        title = "Семейные фантазии",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=444"
                    },
                    new MenuItem()
                    {
                        title = "Страпон",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=542"
                    },
                    new MenuItem()
                    {
                        title = "Стриптиз",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=33"
                    },
                    new MenuItem()
                    {
                        title = "Татуированные Женщины",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=562"
                    },
                    new MenuItem()
                    {
                        title = "Толстушки",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=6"
                    },
                    new MenuItem()
                    {
                        title = "Трансвеститы",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=83"
                    },
                    new MenuItem()
                    {
                        title = "Удовлетворение пальцами",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=592"
                    },
                    new MenuItem()
                    {
                        title = "Фетиш",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=18"
                    },
                    new MenuItem()
                    {
                        title = "Фистинг",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=19"
                    },
                    new MenuItem()
                    {
                        title = "Французское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=94"
                    },
                    new MenuItem()
                    {
                        title = "Хентай",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=36"
                    },
                    new MenuItem()
                    {
                        title = "Чешское",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=100"
                    },
                    new MenuItem()
                    {
                        title = "Японцы",
                        playlist_url = url + $"?hd={hd}&sort={sort}&c=111"
                    }
                };

                menu.Add(new MenuItem()
                {
                    title = $"Категория: {submenu.FirstOrDefault(i => i.playlist_url!.EndsWith($"&c={c}")).title ?? "все"}",
                    playlist_url = "submenu",
                    submenu = submenu
                });
            }

            return menu;
        }
        #endregion

        #region StreamLinks
        public static string StreamLinksUri(string host, string vkey)
        {
            if (string.IsNullOrEmpty(vkey))
                return null;

            return $"{host}/view_video.php?viewkey={vkey}";
        }

        public static StreamItem StreamLinks(ReadOnlySpan<char> html, string video_uri, string list_uri)
        {
            if (html.IsEmpty)
                return null;

            var qualitys = new Dictionary<string, string>();

            foreach (string q in new string[] { "1080", "720", "480", "240" })
            {
                string video = Rx.Match(html, $"\"videoUrl\":\"([^\"]+)\",\"quality\":\"{q}\"");

                if (!string.IsNullOrEmpty(video))
                    qualitys.TryAdd($"{q}p", video.Replace("\\", "").Replace("///", "//"));
            }

            if (qualitys.Count == 0)
                return null;

            return new StreamItem()
            {
                qualitys = qualitys,
                recomends = Playlist(video_uri, list_uri, html, related: true)
            };
        }
        #endregion

        #region Pages
        public static int Pages(ReadOnlySpan<char> html)
        { 
            if (html.IsEmpty)
                return 0;

            if (!html.Contains("class=\"page_number\"", StringComparison.Ordinal))
                return 1;

            var rx = Rx.Matches("class=\"page_number\"><a [^>]+>([0-9]+)<", html);
            if (rx.Count == 0)
                return 1;

            int maxpage = 0;
            foreach (var row in rx.Rows())
            {
                string page = row.Match("class=\"page_number\"><a [^>]+>([0-9]+)<");
                if (page != null && int.TryParse(page, out int pg) && pg > maxpage)
                    maxpage = pg;
            }

            // модель 6, навигация 5
            if (4 >= maxpage)
                return maxpage;

            return 0;
        }
        #endregion

        #region getDirectLinks
        static string getDirectLinks(string pageCode)
        {
            var vars = new List<(string name, string param)>();

            string mainParamBody = Regex.Match(pageCode, "var player_mp4_seek = \"[^\"]+\";[\n\r\t ]+(// var[^\n\r]+[\n\r\t ]+)?([^\n\r]+)").Groups[2].Value;
            mainParamBody = Regex.Replace(mainParamBody, "/\\*.*?\\*/", "");
            mainParamBody = mainParamBody.Replace("\" + \"", "");

            foreach (Match currVar in Regex.Matches(mainParamBody, "var ([^=]+)=([^;]+);"))
                vars.Add((currVar.Groups[1].Value, currVar.Groups[2].Value.Replace("\"", "").Replace(" + ", "")));

            string mediapattern = /*mainParamBody.Contains("var media_4=") && mainParamBody.Contains("var media_5=") ? "var media_(4)=(.*?);" : */"var media_([0-9]+)=(.*?);";
            foreach (Match m in Regex.Matches(mainParamBody, mediapattern, RegexOptions.Singleline))
            {
                string link = "";
                foreach (string curr in m.Groups[2].Value.Replace(" ", "").Split('+'))
                {
                    string param = vars.Find(x => x.name == curr).param;
                    if (param == null)
                        continue;

                    link += param;
                }

                if (link.Contains("urlset/master.m3u8"))
                    return link;
            }

            return null;
        }
        #endregion
    }
}