using CefSharp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;

namespace WindowsFormsApp1.utils.tb
{

    delegate void TBCookieDelegate(Dictionary<String, String> cookiesMap, String cookies,String url);
    class TBLoginRequestHandler : IRequestHandler
    { 
        private TBCookieDelegate tbCookieDelegate;

        private String mark;
        public TBLoginRequestHandler(String mark, TBCookieDelegate tbCookieDelegate)
        {
            this.mark = mark;
            this.tbCookieDelegate = tbCookieDelegate;
        }
        public class CookieVisitor : ICookieVisitor
        {

            private Dictionary<String, String> cookiesMap = new Dictionary<String, String>();

            private TBCookieDelegate tbCookieListener;

            private String url;

            public CookieVisitor(String url)
            {
                this.url = url;
            }

            public void setTBCookieListener(TBCookieDelegate tbCookieListener)
            {
                this.tbCookieListener = tbCookieListener;
            }

            public void Dispose()
            {

            }

            public bool Visit(Cookie cookie, int count, int total, ref bool deleteCookie)
            {
                cookiesMap.Add(cookie.Name, cookie.Value);
                if (count + 1 >= total)
                    this.success();
                return true;
            }


            //cookies获取成功
            private void success()
            {
                String cookies = "";
                StringBuilder sb = new StringBuilder("");

                foreach (KeyValuePair<string, string> kvp in cookiesMap)
                {
                    sb.Append(kvp.Key + "=" + kvp.Value + ";");
                }
                cookies = sb.ToString();
                if (cookies.EndsWith(";"))
                    cookies = cookies.Substring(0, cookies.Length - 1);
                Console.WriteLine(cookies);
                if (cookiesMap.ContainsKey("login"))
                    tbCookieListener(cookiesMap, cookies,url);
            }
        }


        public IResourceRequestHandler GetResourceRequestHandler(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling)
        {

            if (request.Url.StartsWith(this.mark))
            {
                Console.WriteLine("cookie开始");
                CookieVisitor cookieVisitor = new CookieVisitor(request.Url);
                cookieVisitor.setTBCookieListener(tbCookieDelegate);
                chromiumWebBrowser.GetCookieManager().VisitUrlCookies(request.Url, true, cookieVisitor);
                Console.WriteLine("cookie结束");
            }
            return null;
        }

        public bool OnBeforeBrowse(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect)
        {
            return false;
        }

        public bool OnCertificateError(IWebBrowser chromiumWebBrowser, IBrowser browser, CefErrorCode errorCode, string requestUrl, ISslInfo sslInfo, IRequestCallback callback)
        {
            return true;
        }

        public bool OnOpenUrlFromTab(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
        {
            return false;
        }

        public void OnPluginCrashed(IWebBrowser chromiumWebBrowser, IBrowser browser, string pluginPath)
        {

        }

        public bool OnQuotaRequest(IWebBrowser chromiumWebBrowser, IBrowser browser, string originUrl, long newSize, IRequestCallback callback)
        {
            return true;
        }

        public void OnRenderProcessTerminated(IWebBrowser chromiumWebBrowser, IBrowser browser, CefTerminationStatus status)
        {

        }

        public void OnRenderViewReady(IWebBrowser chromiumWebBrowser, IBrowser browser)
        {

        }

        public bool OnSelectClientCertificate(IWebBrowser chromiumWebBrowser, IBrowser browser, bool isProxy, string host, int port, X509Certificate2Collection certificates, ISelectClientCertificateCallback callback)
        {
            return true;
        }

        bool GetAuthCredentials(IWebBrowser chromiumWebBrowser, IBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback)
        {



            return true;
        }

        bool IRequestHandler.GetAuthCredentials(IWebBrowser chromiumWebBrowser, IBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback)
        {
            return true;
        }

    }

}