using Microsoft.AspNetCore.Mvc;
using Microsoft.Playwright;
using Shared.PlaywrightCore;
using BrowserCookie = Microsoft.Playwright.Cookie;
using Microsoft.AspNetCore.Routing;
using Shared.Models.Online.FanCDN;

namespace Online.Controllers
{
    public class FanCDN : BaseOnlineController
    {
        public FanCDN() : base(AppInit.conf.FanCDN) { }

        [HttpGet]
        [Route("lite/fancdn")]
        async public Task<ActionResult> Index(string imdb_id, long kinopoisk_id, string title, string original_title, int year, int serial, int t = -1, int s = -1, bool rjson = false)
        {
            if (await IsRequestBlocked(rch: true))
                return badInitMsg;

            if (kinopoisk_id == 0 || serial == 1)
                return OnError();

            var oninvk = new FanCDNInvoke
            (
               host,
               init.host,
               httpHydra,
               async ongettourl => 
               {
                   return await httpHydra.Get(ongettourl);

                   if (ongettourl.Contains("fancdn."))
                       return await black_magic(init.cors(ongettourl));

                   if (string.IsNullOrEmpty(init.cookie))
                       return null;

                   var headers = httpHeaders(init, HeadersModel.Init(
                       ("sec-fetch-dest", "document"),
                       ("sec-fetch-mode", "navigate"),
                       ("sec-fetch-site", "none"),
                       ("cookie", init.cookie)
                   ));

                   if (rch?.enable == true || init.priorityBrowser == "http")
                       return await httpHydra.Get(ongettourl, newheaders: headers, safety: true);

                   #region Browser Search
                   try
                   {
                       using (var browser = new PlaywrightBrowser())
                       {
                           var page = await browser.NewPageAsync(init.plugin, proxy: proxy_data);
                           if (page == null)
                               return null;

                           string fanhost = "." + Regex.Replace(init.host, "^https?://", "");
                           var excookie = DateTimeOffset.UtcNow.AddYears(1).ToUnixTimeSeconds();

                           var cookies = new List<BrowserCookie>();
                           foreach (string line in init.cookie.Split(";"))
                           {
                               if (string.IsNullOrEmpty(line) || !line.Contains("=") || line.Contains("cf_clearance") || line.Contains("PHPSESSID"))
                                   continue;

                               cookies.Add(new BrowserCookie()
                               {
                                   Domain = fanhost,
                                   Expires = excookie,
                                   Path = "/",
                                   HttpOnly = true,
                                   Secure = true,
                                   Name = line.Split("=")[0].Trim(),
                                   Value = line.Split("=")[1].Trim()
                               });
                           }

                           await page.Context.AddCookiesAsync(cookies);

                           var response = await page.GotoAsync(ongettourl, new PageGotoOptions()
                           {
                               Timeout = 10_000,
                               WaitUntil = WaitUntilState.DOMContentLoaded 
                           });

                           if (response == null)
                               return null;

                           string result = await response.TextAsync();
                           PlaywrightBase.WebLog("GET", ongettourl, result, proxy_data, response: response);
                           return result;
                       }
                   }
                   catch
                   {
                       return null;
                   }
                   #endregion
               },
               streamfile => HostStreamProxy(streamfile)
            );

            rhubFallback:
            var cache = await InvokeCacheResult<EmbedModel>(ipkey($"fancdn:{title}"), 20, async e =>
            {
                //var result = !string.IsNullOrEmpty(init.token) && kinopoisk_id > 0 
                //    ? await oninvk.EmbedToken(kinopoisk_id, init.token) 
                //    : await oninvk.EmbedSearch(title, original_title, year, serial);

                var result = await oninvk.EmbedFilms(init.corsHost(), kinopoisk_id);

                if (result == null)
                    return e.Fail("result");

                return e.Success(result);
            });

            if (IsRhubFallback(cache, safety: true))
                goto rhubFallback;

            return await ContentTpl(cache, 
                () => oninvk.Tpl(cache.Value, imdb_id, kinopoisk_id, title, original_title, t, s, rjson: rjson, vast: init.vast, headers: httpHeaders(init))
            );
        }


        #region black_magic
        async Task<string> black_magic(string uri)
        {
            try
            {
                var headers = httpHeaders(init, HeadersModel.Init(
                    ("sec-fetch-dest", "iframe"),
                    ("sec-fetch-mode", "navigate"),
                    ("sec-fetch-site", "cross-site"),
                    ("referer", $"{init.host}/")
                ));

                if (rch?.enable == true || init.priorityBrowser == "http")
                    return await httpHydra.Get(uri, newheaders: headers, safety: true);

                using (var browser = new PlaywrightBrowser())
                {
                    var page = await browser.NewPageAsync(init.plugin, init.headers, proxy: proxy_data, imitationHuman: init.imitationHuman);
                    if (page == null)
                        return null;

                    browser.SetFailedUrl(uri);

                    await page.RouteAsync("**/*", async route =>
                    {
                        try
                        {
                            if (route.Request.Url.StartsWith(init.host))
                            {
                                await route.FulfillAsync(new RouteFulfillOptions
                                {
                                    Body = PlaywrightBase.IframeHtml(uri)
                                });
                            }
                            else if (route.Request.Url == uri)
                            {
                                string html = null;
                                await browser.ClearContinueAsync(route, page);

                                var response = await page.WaitForResponseAsync(route.Request.Url);
                                if (response != null)
                                    html = await response.TextAsync();

                                browser.SetPageResult(html);
                                PlaywrightBase.WebLog(route.Request, response, html, proxy_data);
                            }
                            else
                            {
                                if (!init.imitationHuman || route.Request.Url.EndsWith(".m3u8"))
                                {
                                    PlaywrightBase.ConsoleLog(() => $"Playwright: Abort {route.Request.Url}");
                                    await route.AbortAsync();
                                }
                                else
                                {
                                    if (await PlaywrightBase.AbortOrCache(page, route))
                                        return;

                                    await browser.ClearContinueAsync(route, page);
                                }
                            }
                        }
                        catch { }
                    });

                    PlaywrightBase.GotoAsync(page, init.host);
                    return await browser.WaitPageResult();
                }
            }
            catch
            {
                return null; 
            }
        }
        #endregion
    }
}