using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Security.Cryptography;
using System.IO;
using SuperMap.RealEstate.Windows.Utility;

namespace SuperMap.RealEstate.ServerLicense.Manager
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();
        }

        private void checkBox1_CheckStateChanged(object sender, EventArgs e)
        {
            textBoxExpiredDateCount.Enabled = !checkBoxExpired.Checked;
        }

        private void frmMain_Load(object sender, EventArgs e)
        {
            button1.Focus();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxProductName.Text))
            {
                textBoxProductName.Focus();
                return;
            }

            if (string.IsNullOrEmpty(textBoxProductName_En.Text))
            {
                textBoxProductName_En.Focus();
                return;
            }

            if (string.IsNullOrEmpty(textBoxCopyright.Text))
            {
                textBoxCopyright.Focus();
                return;
            }
            if (string.IsNullOrEmpty(textBoxCopyright_En.Text))
            {
                textBoxCopyright_En.Focus();
                return;
            }

            if (string.IsNullOrEmpty(textBoxExpiredDateCount.Text))
            {
                textBoxExpiredDateCount.Text = "0";
            }
            int _DayCount;
            if (!int.TryParse(textBoxExpiredDateCount.Text, out _DayCount))
            {
                textBoxExpiredDateCount.SelectAll();
                textBoxExpiredDateCount.Focus();
                return;
            }

            string _Lincese =
                //永久授权
                (checkBoxExpired.Checked ? "1" : "0") +
                //创建时间
                "|" + DateTime.Now.ToString()+//ToLongDateString().Replace("/", "-") +
                //到期时间
                "|" + DateTime.Now.AddDays(_DayCount).ToString() +//ToLongDateString().Replace("/", "-") +
                //产品名称
                "|" + textBoxProductName.Text +
                "|" + textBoxProductName_En.Text +
                //版权信息
                "|" + textBoxCopyright.Text +
                "|" + textBoxCopyright_En.Text;

            SaveToLicFile(AppDomain.CurrentDomain.BaseDirectory + textBoxCopyright.Text, _Lincese);

            if (MessageBox.Show("成功生成授权文件是否在资源管理器中打开？\r\n文件路径：" + AppDomain.CurrentDomain.BaseDirectory +
                textBoxCopyright.Text + "\\License.lic", "提示",
                MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
            {
                ApplicationHelper.Run("explorer/n," + AppDomain.CurrentDomain.BaseDirectory + textBoxCopyright.Text);
            }
        }

        private void SaveToLicFile(string pathName,string _Lincese)
        {
            if (!Directory.Exists(pathName))
                Directory.CreateDirectory(pathName);

            using (FileStream _FileStream = new FileStream(pathName+"\\License.lic", FileMode.OpenOrCreate, FileAccess.Write))
            {
                Byte[] _byteCollection = Encoding.UTF8.GetBytes(_Lincese);

                using (DESCryptoServiceProvider _DESCryptoServiceProvider = new DESCryptoServiceProvider())
                {
                    byte[] _CryptoServiceKeyBytes = new byte[] { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 };
                    _DESCryptoServiceProvider.Key = _CryptoServiceKeyBytes;
                    _DESCryptoServiceProvider.IV = _CryptoServiceKeyBytes;
                    ICryptoTransform _ICryptoTransform = _DESCryptoServiceProvider.CreateEncryptor();

                    CryptoStream _CryptoStream = new CryptoStream(_FileStream, _ICryptoTransform, CryptoStreamMode.Write);
                    _CryptoStream.Write(_byteCollection, 0, _byteCollection.Length);
                    _CryptoStream.FlushFinalBlock();
                    _FileStream.Flush();
                    _CryptoStream.Close();
                }
                _FileStream.Close();
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Close();
        }

        //private CryptoStream EncryptedLicenseData(string linceseDataString)
        //{
        //    MemoryStream _MemoryStream = new MemoryStream(Encoding.UTF8.GetBytes(linceseDataString));

        //    using (DESCryptoServiceProvider _DESCryptoServiceProvider = new DESCryptoServiceProvider())
        //    {
        //        byte[] _CryptoServiceKeyBytes = new byte[] { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 };
        //        _DESCryptoServiceProvider.Key = _CryptoServiceKeyBytes;
        //        _DESCryptoServiceProvider.IV = _CryptoServiceKeyBytes;
        //        ICryptoTransform _ICryptoTransform = _DESCryptoServiceProvider.CreateEncryptor();

        //        CryptoStream _CryptoStream = new CryptoStream(_MemoryStream, _ICryptoTransform, CryptoStreamMode.Write);
        //        //_CryptoStream.Write(inputByteArray, 0, inputByteArray.Length);
        //        _CryptoStream.FlushFinalBlock();

        //        return _CryptoStream;
                
        //    }
        //}

       
    }
}