using DevExpress.XtraEditors;
using Lskj.Control;
using Lskj.Core;
using Lskj.Data;
using Lskj.Util;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;


namespace Lskj.GetSecretKey
{
    public partial class FrmMain : BaseForm
    {
        #region 公有参数

        #endregion
        public FrmMain()
        {
            InitializeComponent();
            this.txtServerName.Focus();
            this.txtDays.KeyDown += new KeyEventHandler(OnKeysDown);
            this.txtDBName.KeyDown += new KeyEventHandler(OnKeysDown);
            this.txtServerName.KeyDown += new KeyEventHandler(OnKeysDown);
            this.LoginName.KeyDown += new KeyEventHandler(OnKeysDown);
            this.LoginPwd.KeyDown += new KeyEventHandler(OnKeysDown);
            this.setPanel.Click += new EventHandler(OnSetPanel_Click);
        }

        private void OnSetPanel_Click(object sender, EventArgs e)
        {
            if (ConnectServer())
            {
                FrmPsdChange form = new FrmPsdChange();
                form.passWord = form.oldPassWord = this.LoginPwd.Text;
                form.userName = form.oldUserName = this.LoginName.Text;
                DialogResult result = form.ShowDialog();
                if (result == DialogResult.OK)
                {
                    this.LoginPwd.Text = form.passWord;
                    this.LoginName.Text = form.userName;
                }
                form.Dispose();
            }
        }
        private void btnConnect_Click(object sender, EventArgs e)
        {
            ConnectServer();
        }
        private void btnSave_Click(object sender, EventArgs e)
        {
            ConnectServer(true);
        }
        /// <summary>
        /// <para>说明：连接服务器</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-09 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="isSave">if set to <c>true</c> [is save].</param>
        private bool ConnectServer(bool isSave = false)
        {
            string serverName = this.txtServerName.Text.Trim();
            string dbName = this.txtDBName.Text.Trim();

            if (string.IsNullOrWhiteSpace(serverName))
            {
                MessageUtil.Show(ResourceKeys.ServerNameIsNull);
                return false;
            }

            if (string.IsNullOrWhiteSpace(dbName))
            {
                MessageUtil.Show(ResourceKeys.ServerDBIsNull);
                return false;
            }
            if (string.IsNullOrWhiteSpace(this.LoginName.Text.Trim()))
            {
                MessageUtil.Show("数据库登录名不能为空！");
                return false;
            }
            if (string.IsNullOrWhiteSpace(this.LoginPwd.Text.Trim()))
            {
                MessageUtil.Show("数据库登录密码不能为空！");
                return false;
            }
            DBConfig.Instance.ServerName = serverName;
            DBConfig.Instance.DataBase = dbName;
            // 测试数据库连接
            try
            {
                bool isConnection = false;
                if (!isSave)
                {
                    string Connection = "Server={0};Database={1};Persist Security Info=True;User ID=" + LoginName.Text + ";Password=" + LoginPwd.Text + ";Connection Timeout=5;MultipleActiveResultSets=true";
                    Connection = AESUtil.Encrypt(Connection);
                    SqlHelper._connection = null;
                    isConnection = DBConfig.Instance.CreateConnection(Connection);
                    if (!isConnection)
                    {
                        MessageUtil.Show(ResourceKeys.ConnectFault);
                        return false;
                    }
                }
                if (isSave)
                {
                    //DBConfig.Instance.WriteConfig();
                    string args = AESUtil.Encrypt(txtServerName.Text + "^" + txtDBName.Text + "^" + LoginName.Text + "^" + LoginPwd.Text + "^" + (string.IsNullOrEmpty(txtDays.Text) ? "0" : txtDays.Text));
                    string file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "SystemResources.txt");
                    //创建文件
                    using (FileStream fs = new FileStream("SystemResources.txt", FileMode.Create))
                    {
                        using (StreamWriter sw = new StreamWriter(fs, Encoding.Default))
                        {
                            sw.WriteLine(args);
                        }
                    }
                    this.Close();
                    return true;
                }
                else
                {
                    MessageUtil.Show(ResourceKeys.ConnectSuccess);
                    return true;
                }
            }
            catch (Exception)
            {
                MessageUtil.Show(ResourceKeys.ConnectFault);
                return false;
            }
        }
        private void FrmMain_Load(object sender, EventArgs e)
        {
            string file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "SystemResources.txt");
            if (File.Exists(file))
            {
                string args = AESUtil.Decrypt(File.ReadAllText(file));
                string[] controlAfgs = args.Split('^');
                if (controlAfgs != null && controlAfgs.Length == 5)
                {
                    txtServerName.Text = controlAfgs[0];
                    txtDBName.Text = controlAfgs[1];
                    LoginName.Text = controlAfgs[2];
                    LoginPwd.Text = controlAfgs[3];
                    txtDays.Text = controlAfgs[4];
                }
            }
        }
        private void btnExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void OnKeysDown(object sender, KeyEventArgs e)
        {
            TextEdit txtEdit = (TextEdit)sender;
            if (e.KeyCode == Keys.Enter)
            {
                if (txtEdit.Name.Equals("LoginPwd"))
                {
                    this.OnSetPanel_Click(sender, e);
                }
                else
                {
                    SendKeys.Send("{Tab}");
                }
            }
        }
    }
}