using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WinApp.View
{
    public partial class Cors : Form
    {
        // 創(chuàng)建HttpListener對(duì)象并指定綁定的端口
        HttpListener _listener;
        string _folderPath;
        string _rootDirectory;

        public Cors()
        {
            InitializeComponent();

            // 初始化
            InitializeAsync();
        }

        private async void InitializeAsync()
        {
            // 獲取本地靜態(tài)資源的路徑             
            _rootDirectory = AppDomain.CurrentDomain.BaseDirectory + "offline-exam-player"; //設(shè)置本地離線播放器為代理服務(wù)
            _rootDirectory = @"C:\Users\admin\Documents\WeChat Files\wxid_1ofgk575ybpt22\FileStorage\File\2024-02\ng-alain8\ng-alain8/";
            _folderPath = @"C:\Users\admin\Documents\WeChat Files\wxid_1ofgk575ybpt22\FileStorage\File\2024-02\ng-alain8\ng-alain8/index.html";

            _listener = new HttpListener();
            // 設(shè)置代理服務(wù)器的監(jiān)聽地址和端口號(hào)
            _listener.Prefixes.Add("http://localhost:8080/");
            _listener.Start();

            // 啟動(dòng)代理服務(wù)器
            Task.Run(() =>
            {
                // 啟動(dòng)代理服務(wù)器
                ProcessRequests();
            });

            // 停止代理服務(wù)器(這里演示就不停止了)
            //server.Stop();
        }

        private void ProcessRequests()
        {
            try
            {
                while (_listener.IsListening)
                {
                    HttpListenerContext context = _listener.GetContext();
                    string requestPath = context.Request.Url.AbsolutePath;
                    string filePath = _rootDirectory + requestPath;

                    // Serve the requested file if it exists
                    if (System.IO.File.Exists(filePath))
                    {
                        string extension = System.IO.Path.GetExtension(filePath);
                        string contentType;
                        switch (extension)
                        {
                            case ".html":
                                contentType = "text/html";
                                break;
                            case ".js":
                                contentType = "application/javascript";
                                break;
                            case ".less":
                            case ".css":
                                contentType = "text/css";
                                break;
                            case ".svg":
                                contentType = "image/svg+xml";
                                break;
                            default:
                                contentType = "application/octet-stream";
                                break;
                        }

                        context.Response.ContentType = contentType;
                        //context.Response.ContentType = "text/html";
                        byte[] responseBuffer = System.IO.File.ReadAllBytes(filePath);
                        context.Response.OutputStream.Write(responseBuffer, 0, responseBuffer.Length);
                        context.Response.Close();
                    }
                    else
                    {
                        // Return a 404 response if the file does not exist
                        context.Response.StatusCode = 404;
                        context.Response.Close();
                    }
                }
            }
            catch (Exception ex)
            {
                // Handle any exceptions that may occur
                Console.WriteLine(ex.ToString());
            }
        }


        private async void Cors_Load(object sender, EventArgs e)
        {
            //本地靜態(tài)資源，直接訪問會(huì)出現(xiàn)跨院，如果通過iis訪問則不會(huì)跨域；

            // 確保CoreWebView2運(yùn)行時(shí)已準(zhǔn)備就緒
            await webView21.EnsureCoreWebView2Async();

            // 在WebView2控件中加載URL
            //webView21.CoreWebView2.Navigate(_folderPath);            
            webView21.CoreWebView2.Navigate("http://localhost:8080/" + "index.html");
        }

    }
}