using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Text.RegularExpressions;
using System.Windows.Forms;

namespace ZJ_BYD.Untils
{
    public static class RegexCheckHelper
    {
        /// <summary>
        /// 提供键值对的正则表达式
        /// </summary>
        private static Dictionary<RegexEnum, string> rege;

        /// <summary>
        /// 定义校验数据的正则表达式,后期可添加
        /// </summary>
        /// <param name="regexEnum"></param>
        /// <returns></returns>
        public static string Get(RegexEnum regexEnum)
        {
            rege = rege ?? new Dictionary<RegexEnum, string>
            {
                {RegexEnum.NotNull,@"^[\s\S]*.*[^\s][\s\S]*$"},
                {RegexEnum.Phone,@"^1(3[0-9]|4[57]|5[0-35-9]|8[0-9]|70)\d{8}$"},
                {RegexEnum.IDCard, @"^([1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3})|([1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])((\d{4})|\d{3}[Xx]))$"},
                {RegexEnum.Letter, @"^[A-Za-z]+$"},
                {RegexEnum.Number, @"^[0-9]+$"},
                {RegexEnum.LetterNumber, @"^[A-Za-z0-9]+$"},
                {RegexEnum.ChineseChar, @"^[\u4e00-\u9fa5]+$"},
                {RegexEnum.Email,  @"^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$"},
            };
            return rege[regexEnum];
        }

        /// <summary>
        /// 设置错误信息的背景色
        /// </summary>
        public static Color? ErrorColor { get; set; }

        /// <summary>
        /// 是否自定义错误提示信息，true时，调用 ShowMsg,false时使用系统默认提示
        /// </summary>
        public static bool isCustomMsg = false;

        /// <summary>
        /// 提示信息处理方法，可以单独定义并修改提示方式
        /// </summary>
        public static event EventHandler ShowMsg;

        private static void OnShowMsg(Control con, string msg)
        {
            var handler = ShowMsg;
            var jEvent = new JEventArgs()
            {
                msg = msg
            };
            if (handler != null) handler(con, jEvent);
        }

        /// <summary>
        /// 数据校验 单个控件
        /// </summary>
        /// <param name="con">需要校验的控件</param>
        /// <param name="regexEnum">需要校验的类型</param>
        /// <param name="msg">错误提示信息</param>
        /// <param name="isNotNull">是否非空校验</param>
        /// <returns></returns>
        public static bool RegexText(this Control con, RegexEnum regexEnum, string msg, bool isNotNull = false)
        {
            var isTrue = true;
            var oldColor = con.BackColor;
            con.Tag = regexEnum + "&" + msg + "&" + isNotNull;
            con.Leave += (sender, e) =>
            {
                isTrue = TextRegex(con, regexEnum, msg, isNotNull);
            };

            con.GotFocus += (sender, e) =>
            {
                con.BackColor = oldColor;
            };
            return isTrue;
        }

        /// <summary>
        /// 数据校验 一组控件
        /// </summary>
        /// <param name="form">扩展源</param>
        /// <param name="cons">需要校验的控件一组控件</param>
        /// <param name="regexEnum">需要校验的类型</param>
        /// <param name="msg">错误提示信息</param>
        /// <param name="isNotNull">是否非空校验</param>
        /// <returns></returns>
        public static bool RegexText(this Form form, Control[] cons, RegexEnum[] regexEnum, string[] msg, bool[] isNotNull)
        {
            for (var i = 0; i < cons.Length; i++)
            {
                var con = cons[i];
                var _msg = "输入非法";
                try { _msg = msg[i]; } catch (Exception ex) { }
                var isTrue = con.RegexText(regexEnum[i], _msg, isNotNull[i]);
                if (isTrue == false) return false;
            }
            return true;
        }

        /// <summary>
        /// 保存操作时多控件数据校验
        /// </summary>
        /// <param name="form"></param>
        /// <param name="cons"></param>
        /// <returns></returns>
        public static bool RegexSave(this XtraUserControl xtraUserControl, Control[] cons, out string msg)
        {
            msg = "";
            foreach (var con in cons)
            {
                var valList = con.Tag.ToString().Split('&');
                msg = valList[1];
                var enumType = (RegexEnum)Enum.Parse(typeof(RegexEnum), valList[0]);
                var flg = TextRegex(con, enumType, valList[1], bool.Parse(valList[2]));
                if (flg == false)
                {
                    con.BackColor = ErrorColor ?? Color.AntiqueWhite;
                    return false;
                }
            }
            return true;
        }

        /// <summary>
        /// 保存操作时多控件数据校验
        /// </summary>
        /// <param name="form"></param>
        /// <param name="cons"></param>
        /// <returns></returns>
        public static bool RegexSave(this XtraForm xtraForm, Control[] cons, out string msg)
        {
            msg = "";
            foreach (var con in cons)
            {
                var valList = con.Tag.ToString().Split('&');
                msg = valList[1];
                var enumType = (RegexEnum)Enum.Parse(typeof(RegexEnum), valList[0]);
                var flg = TextRegex(con, enumType, valList[1], bool.Parse(valList[2]));
                if (flg == false)
                {
                    con.BackColor = ErrorColor ?? Color.AntiqueWhite;
                    return false;
                }
            }
            return true;
        }

        /// <summary>
        /// 显示处理
        /// </summary>
        /// <param name="con"></param>
        /// <param name="msg"></param>
        private static void ShowMsgBox(Control con, string msg)
        {
            if (isCustomMsg)
            {
                OnShowMsg(con, msg);
            }
            else
            {
                XtraMessageBox.Show(msg, "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        /// <summary>
        /// 校验数据
        /// </summary>
        /// <param name="con">控件</param>
        /// <param name="isNotNull">是否校验非空值</param>
        /// <param name="msg">错误提示消息</param>
        /// <param name="regexEnum">校验类型</param>
        /// <returns></returns>
        private static bool TextRegex(Control con, RegexEnum regexEnum, string msg, bool isNotNull = false)
        {
            var text = con.Text.Trim();
            #region 非空校验
            string _msg;
            if (isNotNull && text == "")
            {
                _msg = msg + "不能为空值！";
                con.BackColor = ErrorColor ?? Color.AntiqueWhite;
                ShowMsgBox(con, _msg);
                return false;
            }
            #endregion

            #region 正则校验
            var str = Get(regexEnum);
            var regex = new Regex(str);
            var isTrue = regex.IsMatch(text);

            if (isTrue) return true;
            _msg = msg + "格式错误！";
            ShowMsgBox(con, _msg);
            con.BackColor = ErrorColor ?? Color.AntiqueWhite;
            return false;
            #endregion

        }
    }

    public enum RegexEnum
    {
        /// <summary>
        /// 电话号
        /// </summary>
        Phone,
        /// <summary>
        /// 字母
        /// </summary>
        Letter,
        /// <summary>
        /// 数字
        /// </summary>
        Number,
        /// <summary>
        /// 字母和数字
        /// </summary>
        LetterNumber,
        /// <summary>
        /// 身份证号
        /// </summary>
        IDCard,
        /// <summary>
        /// 电子邮件
        /// </summary>
        Email,
        /// <summary>
        /// 汉字
        /// </summary>
        ChineseChar,
        /// <summary>
        /// 非空
        /// </summary>
        NotNull,
    }

    public class JEventArgs : EventArgs
    {
        /// <summary>
        /// 存储错误信息
        /// </summary>
        public string msg;
    }
}