using System;
using System.Configuration;
using System.Linq;
using System.Windows.Forms;
using AutoUpdaterDotNET;
using DevExpress.XtraEditors;
using Gs.DevApp.Entity;
using Gs.DevApp.Properties;
using Gs.DevApp.ToolBox;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace Gs.DevApp.DevFrm
{
    public partial class FrmLogin : XtraForm
    {
        public FrmLogin()
        {
            InitializeComponent();
            if (ConfigurationManager.AppSettings["IsAutoUpdater"] == "1")
                _autoUpdate();
            else
                _getRemember();
            Text = lbVersion.Text = ConfigurationManager.AppSettings["ProductName"];
            btnLogin.Click += BtnLogin_Click;
            btnCancel.Click += BtnCancel_Click;
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Pixel, ((byte)(134)));
        }

        private void BtnCancel_Click(object sender, EventArgs e)
        {
            if (MsgHelper.AskQuestion("确定要退出系统吗?")) Application.Exit();
        }

        private void BtnLogin_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txtUser.Text.Trim()))
            {
                MsgHelper.Warning("登录账号不能为空！");
                txtUser.Focus();
                return;
            }

            if (string.IsNullOrEmpty(txtPwd.Text.Trim()))
            {
                MsgHelper.Warning("密码不能为空！");
                txtUser.Focus();
                return;
            }
            var _obj = new
            {
                accountPwd = txtPwd.Text.Trim(),
                accountNo = txtUser.Text.Trim(),
            };
            try
            {
                var strJson = UtilityHelper.HttpPost("", "User/UserLogin",
                    JsonConvert.SerializeObject(_obj));
                var _rtn = UtilityHelper.ReturnToDynamic(strJson);
                JObject _login = _rtn.rtnData;
                if (_rtn.rtnCode > 0)
                {
                    Settings.Default.userName = ckRemember.Checked? txtUser.Text.Trim() : "";
                    Settings.Default.userPwd = ckRemember.Checked ? txtPwd.Text.Trim() : "";
                    Settings.Default.remember = ckRemember.Checked;
                    Settings.Default.Save();
                    LoginInfoModel.CurrentUser.LoginUserGuid = _login["loginGuid"].ToString();
                    LoginInfoModel.CurrentUser.LoginTime = DateTime.Now.ToString("yyyy-MM-dd hh:mm");
                    DialogResult = DialogResult.OK;
                }
                else
                {
                    MsgHelper.Warning("提示：" + _rtn.rtnMsg);
                    DialogResult = DialogResult.None;
                }
            }
            catch (Exception ex)
            {
                DialogResult = DialogResult.Cancel;
                MsgHelper.Warning("提示：" + ex.Message);
            }
        }

        /// <summary>
        ///     读取记住密码
        /// </summary>
        private void _getRemember()
        {
            try
            {
                if (Settings.Default.remember)
                {
                    txtUser.Text = Settings.Default.userName;
                    txtPwd.Text = Settings.Default.userPwd;
                    ckRemember.Checked = true;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void _autoUpdate()
        {
            var _version = ConfigurationManager.AppSettings["Version"];
            AutoUpdater.InstalledVersion = new Version(_version);
            AutoUpdater.Start(
                ConfigurationManager.AppSettings["AutoUpdaterXml"]);
            AutoUpdater.CheckForUpdateEvent += AutoUpdater_CheckForUpdateEvent;
        }

        private void AutoUpdater_CheckForUpdateEvent(UpdateInfoEventArgs args)
        {
            if (args == null || string.IsNullOrEmpty(args.DownloadURL))
            {
                MsgHelper.ShowError("读取自动更新失败，无法登录，请联系管理员！");
                Close();
                Application.Exit();
                return;
            }

            if (!args.IsUpdateAvailable)
            {
                return;
            }

            var _strMsg =
                string.Format(
                    $@"有新版本 {args.CurrentVersion} 可用，您使用的是 {args.InstalledVersion}版本，这是必需的更新，按“是（Y）”开始更新应用程序。");
            if (!MsgHelper.AskQuestion(_strMsg))
            {
                Close();
                Application.Exit();
                return;
            }

            try
            {
                if (AutoUpdater.DownloadUpdate(args))
                {
                    var config =
                        ConfigurationManager.OpenExeConfiguration(
                            ConfigurationUserLevel.None);
                    if (config != null)
                    {
                        var appSettings =
                            (AppSettingsSection)config.GetSection(
                                "appSettings");
                        if (appSettings.Settings.AllKeys.Contains("Version"))
                            appSettings.Settings["Version"].Value =
                                args.CurrentVersion;
                        else
                            appSettings.Settings.Add("Version",
                                args.CurrentVersion);
                        config.Save(ConfigurationSaveMode.Modified);
                        ConfigurationManager.RefreshSection("appSettings");
                    }

                    Application.Exit();
                }
                else
                {
                    MsgHelper.ShowError("读取自动更新失败，无法登录，请联系管理员！");
                    Close();
                    Application.Exit();
                }
            }
            catch (Exception exception)
            {
                MsgHelper.ShowError(exception.Message + "：" +
                                    exception.GetType());
                Close();
                Application.Exit();
            }
        }
    }
}