using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Windows.Forms;

namespace Archives_Center
{
    public partial class register : Form
    {
        public register()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox2.Text != "")
            {
                if (textBox1.Text != "")
                {
                    if (textBox1.Text == textBox3.Text)
                    {
                        if (MessageBox.Show("用户名和密码设定后无法修改，请谨慎操作。\n继续操作？", "Archives Center 提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
                        {
                            string UserDataCachePath = Path.GetTempPath() + @"ArchivesCenter\UsersData\";
                            string Password = "fbHQb7L9ODdO9pyPB4cDaMtiW7AgYKJLmQb7FewTiJZhyQwzCJucVf4scvQt7R6b";
                            string UserDataPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter\Users.encrypted";
                            if (!Directory.Exists(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter"))
                                Directory.CreateDirectory(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter");
                            if (!Directory.Exists(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter\Backups"))
                                Directory.CreateDirectory(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter\Backups");
                            if (!File.Exists(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter\Users.encrypted"))
                            {
                                Directory.CreateDirectory(Path.GetTempPath() + @"ArchivesCenter\UsersData\" + textBox2.Text);
                                using (StreamWriter writer = new StreamWriter(Path.GetTempPath() + @"ArchivesCenter\UsersData\" + textBox2.Text + @"\password.txt"))
                                {
                                    writer.WriteLine(textBox3.Text);
                                }
                                SevenZipHelper.CreateEncryptedZip(UserDataCachePath, UserDataPath, Password);
                                this.Close();
                            }
                            else
                            {
                                SevenZipHelper.ExtractEncryptedArchive(UserDataPath, UserDataCachePath, Password);
                                Thread.Sleep(1000);
                                File.Delete(UserDataPath);
                                Directory.CreateDirectory(Path.GetTempPath() + @"ArchivesCenter\UsersData\" + textBox2.Text);
                                using (StreamWriter writer = new StreamWriter(Path.GetTempPath() + @"ArchivesCenter\UsersData\" + textBox2.Text + @"\password.txt"))
                                {
                                    writer.WriteLine(textBox3.Text);
                                }
                                SevenZipHelper.CreateEncryptedZip(UserDataCachePath, UserDataPath, Password);
                                this.Close();
                            }
                            Directory.Delete(Path.GetTempPath() + @"ArchivesCenter", true);
                        }
                    }
                    else
                    {
                        MessageBox.Show("请检查您两次填入的字段是否一致", "新建用户 错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
                else
                {
                    MessageBox.Show("请检查您填入的字段是否完整", "新建用户 错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            else
            {
                MessageBox.Show("请填入用户名", "新建用户 错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void toolStripButton3_CheckedChanged(object sender, EventArgs e)
        {
            if (toolStripButton3.Checked == true)
            {
                textBox2.Text = null;
                textBox1.Text = null;
                textBox3.Text = null;
                textBox2.Text = Environment.UserDomainName + @"\" + Environment.UserName;
                textBox2.ReadOnly = true;
                textBox3.Focus();
            }
            else
            {
                textBox2.Text = null;
                textBox1.Text = null;
                textBox3.Text = null;
                textBox2.ReadOnly = false;
                textBox2.Focus();
            }
        }

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            string UserDataCachePath = Path.GetTempPath() + @"ArchivesCenter\UsersData\";
            string Password = "fbHQb7L9ODdO9pyPB4cDaMtiW7AgYKJLmQb7FewTiJZhyQwzCJucVf4scvQt7R6b";
            string UserDataPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter\Users.encrypted";
            Directory.CreateDirectory(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter\");
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Title = "选择导入的用户数据文件";
            openFileDialog.Filter = "Archives Center 用户数据文件 (*.encrypted)|*.encrypted|所有文件 (*.*)|*.*";
            openFileDialog.Multiselect = false;
            if (!File.Exists(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\ArchivesCenter\Users.encrypted"))
            {
                if (openFileDialog.ShowDialog() == DialogResult.OK)
                {
                    SevenZipHelper.ExtractEncryptedArchive(openFileDialog.FileName, UserDataCachePath, Password);
                }
                this.Close();
            }
            else
            {
                SevenZipHelper.ExtractEncryptedArchive(UserDataPath, UserDataCachePath, Password);
                Thread.Sleep(1000);
                File.Delete(UserDataPath);
                if (openFileDialog.ShowDialog() == DialogResult.OK)
                {
                    SevenZipHelper.ExtractEncryptedArchive(openFileDialog.FileName, UserDataCachePath, Password);
                }
                SevenZipHelper.CreateEncryptedZip(UserDataCachePath, UserDataPath, Password);
                this.Close();
            }
            Directory.Delete(Path.GetTempPath() + @"ArchivesCenter", true);
        }
    }
}