using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using Lskj.Control.Model;
using Lskj.Model;
using Lskj.Business.Impl;
using Lskj.Util;
using System.Web;
using Lskj.Business;
using Lskj.Control;
using Xilium.CefGlue;
using Lskj.Control.BrowserSetting2;
using System.Net;
using System.Collections;
using Lskj.Web.Core.Util;
using System.Linq;

namespace Lskj.Control
{
    public partial class FrmWebBrowser2 : UserControl
    {
        public DynamicPubBrowerModel PubBrowerModel;
        public CefBrowser cefBrowserSettings;
        /// <summary>
        /// 是否允许下载
        /// </summary>
        public bool AllowDownload = true;

        public FrmWebBrowser2()
        {
            InitializeComponent();
        }

        void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            //CefRuntime.Shutdown();
        }
        public void FrmLoad(string url, int RightKeyFlag = 0, bool enUrl = true)
        {
            var cefWindowInfo = CefWindowInfo.Create();
            cefWindowInfo.SetAsChild(this.Handle, new CefRectangle(0, 0, this.Width, this.Height));
            var bsClient = new BsClient(RightKeyFlag, this.AllowDownload);
            bsClient.frmWebBrowser = this;
            bsClient.OnCreated += bsClient_OnCreated;
            var cefBrowserSettings = new CefBrowserSettings() { };
            if (enUrl)
            {
                url = ToEnUrl(url);
            }
            //Url = "https://ie.icoa.cn/";
            CefBrowserHost.CreateBrowser(cefWindowInfo, bsClient, cefBrowserSettings, url);
            //清除所有Cookie
            var cookieManager = CefCookieManager.GetGlobal(null);
            cookieManager.DeleteCookies("", "", null);
        }
        private void bsClient_OnCreated(object sender, EventArgs e)
        {
            cefBrowserSettings = (CefBrowser)sender;
            SyncBrowserBounds();
        }
        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            SyncBrowserBounds();
        }
        /// <summary>
        /// 将CEF原生子窗口同步到当前控件的客户区，修正高DPI或父容器布局变化造成的位置偏移。
        /// </summary>
        public void SyncBrowserBounds()
        {
            if (cefBrowserSettings == null || IsDisposed || Disposing ||
                ClientSize.Width <= 0 || ClientSize.Height <= 0)
            {
                return;
            }

            ResizeWindow(cefBrowserSettings.GetHost().GetWindowHandle(), ClientSize.Width, ClientSize.Height);
        }
        public void ResizeWindow(IntPtr handle, int width, int height)
        {
            if (handle != IntPtr.Zero)
            {
                const uint SWP_NOZORDER = 0x0004;
                const uint SWP_NOACTIVATE = 0x0010;
                NativeMethod.SetWindowPos(handle, IntPtr.Zero,
                    0, 0, width, height,
                    SWP_NOZORDER | SWP_NOACTIVATE
                    );
            }
        }
        public void LoadUrl(string url, bool enUrl = true)
        {
            if (cefBrowserSettings != null)
            {
                if (enUrl)
                {
                    url = ToEnUrl(url);
                }
                cefBrowserSettings.GetMainFrame().LoadUrl(url);
            }
            else
            {
                if (enUrl)
                {
                    url = ToEnUrl(url);
                }
                FrmLoad(url);
            }
        }
        public void LoadRequest(string url, string dataStr)
        {
            BrowserSetting2.HttpTools.setting("application/x-www-form-urlencoded", null, null);
            Dictionary<string, string> dataDic = new Dictionary<string, string>();
            dataDic.Add("billCode", dataStr);
            HttpWebResponse webResponse = BrowserSetting2.HttpTools.Post(url, "", dataDic, null, HttpTools.Method.POST);
            if (webResponse != null)
            {
                cefBrowserSettings.GetMainFrame().LoadUrl(webResponse.ResponseUri.AbsoluteUri);
            }
        }
        public static string ToEnUrl(string url)
        {
            string[] urlParams = url.Split('?');
            string enKey = "encrypt", enVal = "";
            bool hasEn = false;
            if (urlParams.Length > 1)
            {
                string[] queryParams = string.Join("?", urlParams.Skip(1)).Split('&');
                List<string> qpLS = new List<string>();
                Hashtable pms = new Hashtable();
                hasEn = queryParams.Any(str => str.Trim().StartsWith(enKey, StringComparison.OrdinalIgnoreCase));
                foreach (string q in queryParams)
                {
                    string[] eqParams = q.Split('=');
                    if (eqParams.Length > 1)
                    {
                        if (hasEn && eqParams[0].ToLower() == enKey)
                        {
                            enVal = string.Join("=", eqParams.Skip(1));
                            continue;
                        }
                        if (hasEn || eqParams[0].ToLower() == "username" || eqParams[0].ToLower() == "password")
                        {
                            pms.Add(eqParams[0], string.Join("=", eqParams.Skip(1)));
                        }
                        else
                        {
                            string rawValue = HttpUtility.UrlDecode(string.Join("=", eqParams.Skip(1))).TrimEnd();

                            qpLS.Add(string.Format("{0}={1}", eqParams[0], HttpUtility.UrlEncode(rawValue).Replace("%5c", "/").Replace("%2f", "/").Replace("//", "/").Replace("%3d", "=").Replace("+", "%20")));
                        }
                    }
                    else
                    {
                    }
                }
                if (pms.Count > 0)
                {
                    DateTime dateTime = DateTime.Now.AddDays(1);
                    DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
                    long timestamp = (dateTime.Ticks - epoch.Ticks) / TimeSpan.TicksPerSecond;
                    pms.Add("exp", timestamp);
                }
                var allowToEnUrl = qpLS.Where(n => n.Equals("ToEnUrl=0", StringComparison.OrdinalIgnoreCase)).FirstOrDefault() != null;
                if (allowToEnUrl)
                {
                    return url;
                }
                else
                {
                    if (url.Contains("pms=")) return $"{urlParams[0]}?{HttpUtility.UrlEncode(hasEn ? Lskj.Web.Core.Util.safety.AESUtil.Encrypt(JSON.Encode(pms), enVal) : Lskj.Web.Core.Util.safety.AESUtil.MobileEncrypt(JSON.Encode(pms)))}&{qpLS.SJoin("&")}";

                    return $"{urlParams[0]}?pms={HttpUtility.UrlEncode(hasEn ? Lskj.Web.Core.Util.safety.AESUtil.Encrypt(JSON.Encode(pms), enVal) : Lskj.Web.Core.Util.safety.AESUtil.MobileEncrypt(JSON.Encode(pms)))}&{qpLS.SJoin("&")}";
                }
            }
            return url;
        }
    }
}