using System;
using System.IO;
using System.Net;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using TemuKJD.UserForm;
using Work;

namespace TemuKJD
{
    static class Program
    {
        public static bool IsInit = false;
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            MainForm.CefInit();

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            //安装客户端必备字体
            InstallFont(Application.StartupPath + @"\Fonts\STZHONGS.TTF");

            System.Threading.Tasks.Task.Run(() =>
            {
                new Initialization().Get();
                StartUp.Init();
                IsInit = true;
            });

            Application.Run(new InitForm());
        }

        [DllImport("kernel32.dll", SetLastError = true)]
        public static extern int WriteProfileString(string lpszSection, string lpszKeyName, string lpszString);

        [DllImport("gdi32")]
        public static extern int AddFontResource(string lpFileName);

        /// <summary>
        /// 安装字体
        /// </summary>
        /// <param name="fontFilePath">字体文件全路径</param>
        /// <returns>是否成功安装字体</returns>
        /// <exception cref="UnauthorizedAccessException">不是管理员运行程序</exception>
        /// <exception cref="Exception">字体安装失败</exception>
        public static bool InstallFont(string fontFilePath)
        {
            try
            {
                System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();

                System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);
                //判断当前登录用户是否为管理员
                if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator) == false)
                {
                    throw new UnauthorizedAccessException("当前用户无管理员权限，无法安装字体。");
                }
                //获取Windows字体文件夹路径
                string fontPath = Path.Combine(System.Environment.GetEnvironmentVariable("WINDIR"), "fonts", Path.GetFileName(fontFilePath));
                //检测系统是否已安装该字体
                if (!File.Exists(fontPath))
                {
                    // File.Copy(System.Windows.Forms.Application.StartupPath + "\\font\\" + FontFileName, FontPath); //font是程序目录下放字体的文件夹
                    //将某路径下的字体拷贝到系统字体文件夹下
                    File.Copy(fontFilePath, fontPath); //font是程序目录下放字体的文件夹
                    AddFontResource(fontPath);

                    //Res = SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0); 
                    //WIN7下编译会出错，不清楚什么问题。注释就行了。  
                    //安装字体
                    WriteProfileString("fonts", Path.GetFileNameWithoutExtension(fontFilePath) + "(TrueType)", Path.GetFileName(fontFilePath));
                }
            }
            catch (Exception ex)
            {
                //throw new Exception(string.Format($"[{Path.GetFileNameWithoutExtension(fontFilePath)}] 字体安装失败！原因：{ex.Message}"));
            }
            return true;
        }

        static string Md5(string file)
        {
            if (!File.Exists(file))
                return "";
            try
            {
                FileStream get_file = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read);
                System.Security.Cryptography.MD5CryptoServiceProvider get_md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
                byte[] hash_byte = get_md5.ComputeHash(get_file);
                string resule = System.BitConverter.ToString(hash_byte);
                resule = resule.Replace("-", "");
                get_file.Close();
                return resule;
            }
            catch (Exception e)
            {
                return e.ToString();
            }
        }
        /// <summary>
        /// 下载文件
        /// </summary>
        /// <param name="Urlstring">下载地址</param>
        /// <param name="FilePath">保存目录</param>
        /// <returns></returns>
        public static bool DownloadFile(string Urlstring, string FilePath)
        {
            try
            {
                WebClient mywebclient = new WebClient();
                if (File.Exists(FilePath))
                    File.Delete(FilePath);
                mywebclient.DownloadFile(Urlstring, FilePath);
                return true;
            }
            catch
            {
                return false;
            }
        }
    }

}