using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using POSV.Entity;
using POSV.HttpApi;
using POSV.Utils;
using System.IO;
using DevComponents.DotNetBar;
using POSV.ShoppingCart;

namespace POSV.Component
{
    [ToolboxItem(true)]
    public partial class LoginControl : BaseUserControl
    {
        public LoginControl()
        {
            InitializeComponent();

            this.txtWorkerNo.GotFocus += OnInputGotFocus;
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            if (this.DesignMode) return;

            var background = @"images/login.jpg";
            if (File.Exists(background))
            {
                this.mainPanel.Style.BackgroundImagePosition = eBackgroundImagePosition.Tile;
                this.mainPanel.Style.BackgroundImage = Image.FromFile(background);
                this.mainPanel.Invalidate();
            }


            this.txtWorkerNo.Height = 38;
            this.txtWorkerNo.Multiline = false;
            this.txtWorkerNo.Text = string.Empty;
            this.txtWorkerNo.IsEnterInputKey = true;

            this.txtPasswd.Height = 38;
            this.txtPasswd.Multiline = false;
            this.txtPasswd.Text = string.Empty;
            this.txtPasswd.IsEnterInputKey = true;
        }

        public override bool Focused
        {
            get
            {
                if (this.ActiveControl == null)
                {
                    this.ActiveControl = this.txtWorkerNo;
                }

                return this.ActiveControl.Focused;
            }
        }

        protected override void OnResize(EventArgs e)
        {
            this.Visible = false;
            base.OnResize(e);
            this.Visible = true;
        }

        private bool ValidateInputValue()
        {
            if (string.IsNullOrEmpty(txtWorkerNo.Text.Trim()))
            {
                this.ShowMessage(this.lblInfo , "工号不能为空,请输入..." , false);
                this.txtWorkerNo.Focus();
                return false;
            }

            if (string.IsNullOrEmpty(txtPasswd.Text.Trim()))
            {
                this.ShowMessage(this.lblInfo , "密码不能为空,请输入..." , false);
                this.txtPasswd.Focus();
                return false;
            }

            if (!Global.Instance.AuthLogin) {
                DialogForm.ShowAlert(this, "特别提示", "您的POS使用权限已过期,请联系代理商续费!");
                return false;
            }

            this.ShowMessage(this.lblInfo , "提交认证中,请稍候..." , false);

            return true;
        }


        private void OnTouchBeforeClick(object sender , TouchEventArgs e)
        {
            
        }

        private void OnTouchClick(object sender , TouchEventArgs e)
        {
            switch (e.Value)
            {
                case "clear":
                    //如果当前焦点控件是输入框
                    if (this.ActiveControl is NumericTextBox)
                    {
                        var activeControl = this.ActiveControl as NumericTextBox;
                        activeControl.Text = string.Empty;
                    }
                    break;
                case "accept":
                    //验证通过
                    {
                        var valid = ValidateInputValue();
                        if (valid)
                        {
                            Login();
                        }
                    }
                    break;
                default:
                    {
                        InputSimulatorUtils.SendKey(KeyCodes.Map[e.Value]);
                    }
                    break;
            }
        }


        /// <summary>
        /// 注册成功事件触发
        /// </summary>
        public event SucceedEventHandler Succeed;
        protected virtual void OnSucceed(SucceedEventArgs e)
        {
            Succeed?.Invoke(this , e);
        }

        private void Login()
        {
            try
            {
                var userName = this.txtWorkerNo.Text.Trim().PadLeft(5 , '0');

                var passwd = this.txtPasswd.Text.Trim();

                Tuple<bool , string , Worker> response = null;

                //是否需要确认登录信息
                bool isConfirm = false;
                if (Global.Instance.Online)
                {
                    //调用业务系统开放平台
                    Tuple<bool, string, PosAuth> responsePosAuth = LoginApi.PosAuth(Global.Instance.Authc.StoreId, Global.Instance.Authc.PosNo);
                    if (responsePosAuth.Item1)
                    {
                        PosAuth posAuth = responsePosAuth.Item3;
                        if (posAuth.CostMode == 0)
                        {
                            try
                            {
                                lock (Global.Instance.SyncLock)
                                {
                                    using (var db = Global.Instance.OpenDataBase)
                                    {
                                        using (var transaction = db.GetTransaction())
                                        {
                                            string sql = "update pos_store_info set dueDate ='{0}'";
                                            sql = string.Format(sql, posAuth.DueDate);
                                            db.Execute(sql, null);
                                            transaction.Complete();
                                        }
                                    }
                                }
                            }
                            catch (Exception ex)
                            {
                                LOGGER.Error(ex);
                            }
                            //租赁模式剩余时间小于0天,禁止登陆系统
                            if (posAuth.AuthDays < 0)
                            {
                                Global.Instance.AuthLogin = false;
                                DialogForm.ShowAlert(this, "特别提示", "您的POS使用权限已过期,请联系代理商续费!");
                                return;
                            }
                        }
                    }
                    //调用业务系统开放平台
                    response = LoginApi.ValidateWorker(Global.Instance.Authc.StoreId , Global.Instance.Authc.PosNo , userName , passwd);
                    isConfirm = false;
                }
                else
                {
                    response = LoginApi.DatabaseLogin(userName , passwd);

                    isConfirm = true;
                }

                //返回成功
                if (response.Item1)
                {
                    this.ShowMessage(this.lblInfo , response.Item2 , false);

                    Worker worker = response.Item3;
                    
                    if (isConfirm)
                    {

                        List<string> dayList =  OrderUtils.GetUnUpLoadDay();
                        StoreInfo storeInfo = null;
                        using (var db = Global.Instance.OpenDataBase)
                        {
                            storeInfo = db.FirstOrDefault<StoreInfo>("where id = @0", Global.Instance.Authc.StoreId);
                        }
                        //如果门店设置最大登录天数大于0并且实际未上传数据的天数大于该天数,就不允许离线登录了
                        if (storeInfo!=null && storeInfo.MaxOffLine>0 && dayList.Count>= storeInfo.MaxOffLine) {

                            this.ShowMessage(this.lblInfo, string.Format("门店最多允许离线登录{0}天,请联网登录!", storeInfo.MaxOffLine), false);

                            return;
                        }
                        var confirm = new LoginConfirm(Global.Instance.Authc , worker);
                        //确认登录
                        if (DialogResult.OK == confirm.ShowDialog())
                        {
                            //登陆成功通知事件
                            this.OnSucceed(new SucceedEventArgs(worker));
                        }else
                        {
                            this.txtWorkerNo.Text = string.Empty;
                            this.txtPasswd.Text = string.Empty;

                            this.ShowMessage(this.lblInfo , "工号不能为空,请输入..." , false);
                            this.txtWorkerNo.Focus();
                        }
                    }
                    else
                    {
                        //登陆成功通知事件
                        this.OnSucceed(new SucceedEventArgs(worker));
                    }
                }
                else
                {
                    this.ShowMessage(this.lblInfo , response.Item2 , true);
                }
            }
            catch (Exception ex)
            {
                LOGGER.Error(ex , "收银员登录验证异常");
                this.ShowMessage(this.lblInfo , "收银员登录验证异常" , true);
            }

        }

        

        private void OnInputEnterClick(object sender , EnterEventArg e)
        {
            var valid = ValidateInputValue();
            if (valid)
            {
                Login();
            }
        }


    }

    public delegate void SucceedEventHandler(object sender , SucceedEventArgs e);

    public class SucceedEventArgs : EventArgs
    {
        public readonly Worker Worker;
        public readonly bool Closed;

        public SucceedEventArgs(Worker worker,bool closed = false)
        {
            this.Worker = worker;

            this.Closed = closed;
        }
    }
}