using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Management;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml;

namespace RegistrationAuthorization
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "(*.txt)|*.txt|(*.*)|*.*";
            if (sfd.ShowDialog() == DialogResult.OK)
            {
                IDictionary<String, List<String>> infos = new Dictionary<String, List<String>>();
                infos.Add("ID", new List<string>() { getCpu(), GetDiskVolumeSerialNumber() });
                infos.Add("Time", new List<string>() { DateTime.Now.Year.ToString(), DateTime.Now.Month.ToString(), DateTime.Now.Day.ToString() });
                SaveXML(infos, sfd.FileName);
                MessageBox.Show("Save complete");
            }
        }
        // 获得CPU的序列号
        static string getCpu()
        {
            string strCpu = null;
            ManagementClass myCpu = new ManagementClass("win32_Processor");
            var myCpuConnection = myCpu.GetInstances();
            foreach (ManagementObject myObject in myCpuConnection)
            {
                strCpu = myObject.Properties["Processorid"].Value.ToString();
                break;
            }
            return strCpu;
        }

        // 取得设备硬盘的卷标号
        static string GetDiskVolumeSerialNumber()
        {
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
            disk.Get();
            return disk.GetPropertyValue("VolumeSerialNumber").ToString();
        }
        public static void SaveXML(IDictionary<String, List<String>> infos, string address)
        {
            if (infos == null || infos.Count == 0)
            {
                return;
            }

            XmlDocument xmlDoc = new XmlDocument();

            XmlDeclaration dec = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", null);

            xmlDoc.AppendChild(dec);

            XmlElement _infos = xmlDoc.CreateElement("infos");

            foreach (KeyValuePair<String, List<String>> item in infos)
            {
                XmlElement info = xmlDoc.CreateElement("info");

                XmlElement name = xmlDoc.CreateElement("ID");
                name.InnerText = item.Key;

                info.AppendChild(name);

                XmlNode filelist = xmlDoc.CreateElement("filelist");

                info.AppendChild(filelist);

                foreach (String number in item.Value)
                {
                    XmlElement filed = xmlDoc.CreateElement("filed");
                    filed.InnerText = number;

                    filelist.AppendChild(filed);
                }

                _infos.AppendChild(info);
            }

            xmlDoc.AppendChild(_infos);

            xmlDoc.Save(address);

        }

        private void Form1_Load(object sender, EventArgs e)
        {

            //string assemblyPath = Assembly.GetExecutingAssembly().Location;
            //string assemblyDirectory = Path.GetDirectoryName(assemblyPath);
            //Console.WriteLine("编译路径（程序集位置）: " + assemblyPath);
            //Console.WriteLine("编译目录: " + assemblyDirectory);
           

            string CPUID, DiskID;
            CPUID = getCpu();
            DiskID = GetDiskVolumeSerialNumber();
            var ID = ReadXML(AppDomain.CurrentDomain.BaseDirectory+"\\Config\\SysData\\RegistrationProofreading.txt");
            List<string> list_time = new List<string>();
            List<string> list_str = new List<string>();
            //ID.TryGetValue("ID", out list_str);
            //ID.TryGetValue("Time", out list_time);

            ID.TryGetValue("ID", out list_str);
            ID.TryGetValue("Time", out list_time);
            string setCPU = ConvertString(list_str[0]);
            string setDisk = ConvertString(list_str[1]);

            if (CPUID != setCPU || DiskID != setDisk)
            {
                label1.Text = "缺少授权！";
                label2.Visible = false;
            }
            else
            {
                label2.Visible = true;
                DateTime dt = DateTime.ParseExact(ConvertString(list_time[0]) + ConvertString(list_time[1]) + ConvertString(list_time[2]) + "235959", "yyyyMMddHHmmss", System.Globalization.CultureInfo.CurrentCulture);
                if (DateTime.Now > dt)
                {
                    label1.Text = "授权过期！";
                }
                else
                {
                    label1.Text = "授权已激活";
                }
                label2.Text = "有效期至：" + ConvertString(list_time[0]) + "-" + ConvertString(list_time[1]) + "-" + ConvertString(list_time[2]);
            }

            
        }
        public static IDictionary<String, List<String>> ReadXML(string address)
        {
            IDictionary<String, List<String>> infos = new Dictionary<String, List<String>>();

            if (File.Exists(address))
            {
                XmlDocument xmlDoc = new XmlDocument();

                xmlDoc.Load(address);

                XmlNode xn = xmlDoc.SelectSingleNode("infos");

                XmlNodeList xnl = xn.ChildNodes;

                foreach (XmlNode xnf in xnl)
                {
                    XmlElement xe = (XmlElement)xnf;

                    XmlNode nameNode = xe.SelectSingleNode("ID");

                    string name = nameNode.InnerText;
                    Console.WriteLine(name);
                    XmlNode filelist = xe.SelectSingleNode("filelist");

                    List<String> list = new List<string>();

                    foreach (XmlNode item in filelist.ChildNodes)
                    {
                        list.Add(item.InnerText);
                    }

                    infos.Add(name, list);
                }
            }
            return infos;
        }
        private string ConvertString(string str)
        {
            string str_out;
            string[] arr = str.Split(',');
            byte[] be = new byte[arr.Count()];

            for (int i = 0; i < arr.Count(); i++)
            {
                be[i] = Convert.ToByte(arr[i]);
            }
            str_out = Encoding.Unicode.GetString(be);
            return str_out;
        }
    }
}