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 LYFZ.OtherExpansion.SkinControl;

namespace LYFZ.ERPCloudClient
{
    public partial class frmLogin : LYFZ.ComponentLibrary.BaseForm360
    {

        public frmLogin()
        {
            InitializeComponent();
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
            this.stxtPwd.BaseText.PasswordChar = '*';
            this.stxtPwd.BaseText.UseSystemPasswordChar = true;
            this.spalHead.BackgroundImage = LYFZ.ComponentLibrary.Properties.UIBlueResources.LYFZHD;
            this.btnAppFormMenu.Click += btnAppFormMenu_Click;
            this.stxtPwd.KeyUp += stxtPwd_KeyUp;
            this.textBoxPwd.KeyUp += textBoxPwd_KeyUp;
            this.stxtUserName.KeyUp += stxtUserName_KeyUp;
            this.textBoxPwd.GotFocus += textBoxPwd_GotFocus;
            this.sMenuStripId.KeyUp += sMenuStripId_KeyUp;
        }

        void sMenuStripId_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Delete)
            {

                if (CurrentToolStripMenuItem != null)
                {
                    try
                    {

                        string[] userInfos = (string[])CurrentToolStripMenuItem.Tag;

                        if (frmMain.ClientCon.HistoryUserList.Any(s => s.UserID.ToLower() == userInfos[0].ToLower()))
                        {
                           frmMain.ClientCon.HistoryUserList.Remove(frmMain.ClientCon.HistoryUserList.Find(s => s.UserID.ToLower() == userInfos[0].ToLower()));
                        }

                        this.sMenuStripId.Items.Remove(CurrentToolStripMenuItem);
                        this.sMenuStripId.Items.RemoveByKey(CurrentToolStripMenuItem.Name + "SP");
                        LYFZ.CloudServerData.SystemConfig.WriteCloudClientConfig(frmMain.ClientCon);
                    }
                    catch { }
                }
            }
        }


        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void sBtnLogin_Click(object sender, EventArgs e)
        {
            isEnterBtnLogin = true;
            string userAccount = stxtUserName.Text.Trim();
            string userPwd = textBoxPwd.Text.Trim();
            if (userAccount.Trim() == "")
            {
                MessageBoxCustom.Show("用户名不能为空");
                this.stxtUserName.Focus();
                return;
            }
            else if (userPwd.Trim() == "")
            {
                MessageBoxCustom.Show("密码不能为空");
                this.textBoxPwd.Focus();
                return;
            }
            frmMain.LoginUser.UserID = userAccount;
            frmMain.LoginUser.Password = userPwd;
            ConnectServer();
        }
        /// <summary>
        /// 连接服务器
        /// </summary>
        void ConnectServer()
        {
            bool isSuccessfulLogin = false;
            string msg = "";
            LYFZ.ComponentLibrary.FrmLoadHandling.LoadDoWorkMethod(delegate(object obj, BackgroundWorker backgroundWorker)
            {
                try
                {
                    backgroundWorker.ReportProgress(0, "正在连接服务器...");

                    if (!frmMain.TcpClient.ConnectionServer(frmMain.ClientCon.ServerIP, frmMain.ClientCon.Port))
                    {
                        msg = "连接服务器失败，请检查网络环境";
                        return;
                    }
                    else
                    {
                        try
                        {
                            backgroundWorker.ReportProgress(0, "正在验证用户登录信息...");
                            if (VerifyUser(ref msg))
                            {
                                backgroundWorker.ReportProgress(0, "验证用户登录信息成功...");

                            }
                            else
                            {
                                backgroundWorker.ReportProgress(0, "验证用户登录信息失败...");
                                return;
                            }
                        }
                        catch (Exception ex)
                        {
                            msg = "验证用户时出错：" + ex.Message;
                            return;
                        }

                        isSuccessfulLogin = true;
                    }
                }
                catch (Exception ex)
                {
                    msg = "连接服务器失败，请检查网络或确认服务器已启动！\r\n" + ex.Message;
                    return;
                }

            });

            if (isSuccessfulLogin)
            {

                this.DialogResult = System.Windows.Forms.DialogResult.OK;
            }
            else
            {
                if (msg.Trim().Length > 0)
                {
                    MessageBoxCustom.Show(msg);
                }

                return;
            }

        }
        /// <summary>
        /// 验证用户
        /// </summary>
        /// <returns></returns>
        bool VerifyUser(ref string msg)
        {

            bool bl = false;
            string userAccount =this.stxtUserName.Text.Trim(); 
            string userPwd = this.textBoxPwd.Text.Trim();
            try
            {
                //查询用户

                HPSocketCS.Extended.ReturnData returnData = LYFZ.CloudServerData.ClientDataRequestProcess.RequestQueryUser(frmMain.TcpClient.Client, userAccount);
                if (returnData.ReturnStatus)
                {
                    frmMain.LoginUser =returnData.DataByteToModelObject<LYFZ.CloudServerData.Model.User>();
                }
                else
                {
                    MessageBoxCustom.Show(returnData.ReturnMessage);
                }

                //usersModel.UserName = "管理员";
                //usersModel.Password = LYFZ.WinAPI.SDKSecurity.MD5Encrypt("123");
                //usersModel.UserID = userAccount;
                ////usersModel = null;
                //frmMain.LoginUser = usersModel;
            }
            catch (Exception ex)
            {
                msg = "获取用户信息出错：" + ex.Message;
                return false;
            }
            try
            {
                if (frmMain.LoginUser.ID > 0)
                {

                    if (LYFZ.WinAPI.SDKSecurity.MD5Encrypt(userPwd).ToLower().Equals(frmMain.LoginUser.Password.Trim().ToLower()))
                    {

                        try
                        {
                            UpdateHistoryUsers();
                        }
                        catch { }
                        bl = true;
                    }
                    else
                    {
                        msg = "用户名和密码不正确！";
                    }
                }
                else
                {
                    msg = "用户名不存在";
                }
            }
            catch (Exception ex)
            {
                msg = "用户验证时失败：" + ex.Message;
            }
            return bl;
        }
        /// <summary>
        /// 更新历史用户
        /// </summary>
        void UpdateHistoryUsers()
        {
           // LYFZ.WinAPI.SDKSecurity.Decode();

            string userPwd = textBoxPwd.Text.Trim();

            LYFZ.CloudServerData.Model.HistoryUser tempUser = null;
            if (frmMain.ClientCon.HistoryUserList.Any(s => s.UserID.ToLower() == frmMain.LoginUser.UserID.ToLower()))
            {
                tempUser = frmMain.ClientCon.HistoryUserList.Find(s => s.UserID.ToLower() == frmMain.LoginUser.UserID.ToLower());
                frmMain.ClientCon.HistoryUserList.Remove(tempUser);
            }
            else {
                tempUser = new CloudServerData.Model.HistoryUser();
            }

            tempUser.UserID = frmMain.LoginUser.UserID;
            tempUser.UserName = frmMain.LoginUser.UserName;
            tempUser.Sex = frmMain.LoginUser.Sex;

            if (this.schbRememberPwd.Checked)
            {
                tempUser.Password = LYFZ.WinAPI.SDKSecurity.Encode(userPwd);
            }
            else {
                tempUser.Password = "";
            }
            frmMain.ClientCon.HistoryUserList.Insert(0,tempUser);
            LYFZ.CloudServerData.SystemConfig.WriteCloudClientConfig(frmMain.ClientCon);
        }
        void btnAppFormMenu_Click(object sender, EventArgs e)
        {
            frmLoginSettings loginSet = new frmLoginSettings();
            loginSet.ClientCon = frmMain.ClientCon;
            loginSet.ShowDialog();

        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected  void stxtPwd_IconClick(object sender, EventArgs e)
        {
            PassKey pass = new PassKey(this.Left + stxtPwd.Left - 100, this.Top + stxtPwd.Bottom, this.textBoxPwd);
            pass.Show(this);
        }

        protected  void sMenuStripId_Closing(object sender, ToolStripDropDownClosingEventArgs e)
        {
            this.stxtUserName.Icon = LYFZ.ERPCloudClient.Properties.Resources.login_inputbtn_normal;
        }

        protected  void stxtUserName_IconClick(object sender, EventArgs e)
        {
            if (this.sMenuStripId.Items.Count > 0)
            {
                stxtUserName.Icon = LYFZ.ERPCloudClient.Properties.Resources.login_inputbtn_down;
            }
                this.sMenuStripId.Show(this.stxtUserName, 1, this.stxtUserName.Height + 1);
            
        }


        protected void frmLogin_Load(object sender, EventArgs e)
        {
            this.slblMsgInfo.Text = this.slblMsgInfo.Text.Replace("{$}","V"+Application.ProductVersion);
            this.stxtPwd.BaseText.PasswordChar = '*';
            this.stxtPwd.BaseText.UseSystemPasswordChar = true;

            this.sMenuStripId.Items.Clear();
            for (int i = 0; i < frmMain.ClientCon.HistoryUserList.Count; i++)
            {
                LYFZ.CloudServerData.Model.HistoryUser tempUser = frmMain.ClientCon.HistoryUserList[i];
                try
                {
                    if (this.sMenuStripId.Height < 220)
                    {
                        this.sMenuStripId.Height += (i + 1) * 48;
                    }
                    string UserAccount = tempUser.UserID;
                    string nickName = tempUser.UserName;
                    Image nickImage = LYFZ.ComponentLibrary.Properties.UIBlueResources.LYFZHD;
                    string password = tempUser.Password;
                    ToolStripMenuItem item = new ToolStripMenuItem();
                    item.Name = "mi" + UserAccount;
                    item.AutoSize = false;
                    item.Size = new System.Drawing.Size(182, 40);
                    item.Text = nickName + "\r\n" + UserAccount;
                    item.Tag = new string[] { UserAccount, nickName, password };  //Tag用于存储UserID 和 NickName
                    item.Image = nickImage; //根据ID获取头像
                    item.Click += new EventHandler(toolStripMenuItemID_Click);
                    item.MouseEnter += item_MouseEnter;
                    ToolStripSeparator spItem = new ToolStripSeparator();
                    spItem.Name = item.Name + "SP";
                    this.sMenuStripId.Items.Add(item);
                    this.sMenuStripId.Items.Add(spItem);

                }
                catch { }

            }


            this.stxtUserName.Focus();

            if (this.sMenuStripId.Items.Count > 0)
            {
                toolStripMenuItemID_Click(this.sMenuStripId.Items[0], null);
            }
        }
        void textBoxPwd_KeyUp(object sender, KeyEventArgs e)
        {
            try
            {
                if (e != null && e.KeyCode == Keys.Enter && !isEnterBtnLogin)
                {
                    this.sBtnLogin_Click(null, null);
                }
                else
                {
                    isEnterBtnLogin = false;
                }
            }
            catch { }

        }
        void stxtPwd_KeyUp(object sender, KeyEventArgs e)
        {

            this.textBoxPwd_KeyUp(sender, e);

        }
        /// <summary>
        /// 当前历史用户项
        /// </summary>
        ToolStripMenuItem CurrentToolStripMenuItem = null;
        void item_MouseEnter(object sender, EventArgs e)
        {
            if (sender.GetType() == typeof(ToolStripMenuItem))
            {
                CurrentToolStripMenuItem = (ToolStripMenuItem)sender;
            }
        }

        #region toolStripMenuItemID_Click

        void textBoxPwd_GotFocus(object sender, EventArgs e)
        {
            stxtUserName_KeyUp(null, null);
        }
        /// <summary>
        /// 是否按过回车并尝试登录过
        /// </summary>
        bool isEnterBtnLogin = false;
        void stxtUserName_KeyUp(object sender, KeyEventArgs e)
        {
            try
            {
                if (e != null && e.KeyCode == Keys.Enter && !isEnterBtnLogin)
                {
                    if (e.KeyCode == Keys.Enter)
                    {
                        this.sBtnLogin_Click(null, null);
                    }
                }
                else
                {
                    this.spalHead.BackgroundImage = LYFZ.ComponentLibrary.Properties.UIBlueResources.LYFZHD;
                    if (sender != null)
                    {
                        isEnterBtnLogin = false;
                        this.schbRememberPwd.Checked = false;
                        this.textBoxPwd.Text = "";

                        foreach (LYFZ.CloudServerData.Model.HistoryUser user in frmMain.ClientCon.HistoryUserList)
                        {
                            try
                            {

                                string UserAccount = user.UserID;
                                if (this.stxtUserName.Text.Trim().ToLower() == UserAccount.Trim().ToLower())
                                {
                                    this.textBoxPwd.Text = LYFZ.WinAPI.SDKSecurity.Decode(user.Password).Trim();
                                    if (this.textBoxPwd.Text.Trim().Length > 0)
                                    {
                                        this.schbRememberPwd.Checked = true;
                                    }
                                }

                            }
                            catch
                            {

                            }
                        }
                    }
                }
            }
            catch
            {

            }

        }
        //从帐号下拉列表中 选中某个登录帐号
        protected  void toolStripMenuItemID_Click(object sender, EventArgs e)
        {
            ToolStripMenuItem item = (ToolStripMenuItem)sender;
            string[] tag = (string[])item.Tag;
            this.stxtUserName.Text = tag[0];
            this.schbRememberPwd.Checked = false;
            this.textBoxPwd.Text = "";
            if (tag.Length == 3)
            {
                if (tag[2].Trim() != "")
                {
                    this.textBoxPwd.Text = LYFZ.WinAPI.SDKSecurity.Decode(tag[2]);
                    this.schbRememberPwd.Checked = true;
                }
            }
            this.spalHead.BackgroundImage = item.Image;
            
            this.textBoxPwd.Focus();
        }
        #endregion
    }
}