using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using System.Text.RegularExpressions;
using System.Windows.Controls;

namespace XHandler.Class
{
    public class VerificationTextBox
    {

        #region 验证文本框中输入的文本——根据文本类型进行验证
        /// <summary>
        /// 验证文本框中输入的文本——根据文本类型进行验证
        /// </summary>
        /// <param name="tbp">文本框控件对象</param>
        /// <param name="TxtType">文本格式类型</param>
        /// <param name="length">限制长度</param>
        /// <returns>true:验证通过；false:不通过</returns>
        public bool VerificateTextBox(TextBox tbp, int TxtType, int length = 0)
        {
            bool isCorrect = false;
            Regex rg;

            switch (TxtType)
            {
                case 1://长度验证
                    if (tbp.Text.Length >= length)
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 2://0-200验证
                    rg = new Regex(@"^(0|([1-9][0-9]*))+(\.[0-9]{1,2})?$");//"^(([1]{0,1})+([0-9]{1,2})(.[0-9]{2})?)|200$");//"^(\d{1,2}|1\d{2}|200|0)$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        //继续判断是否在0-200范围闭区间
                        if (Convert.ToDouble(tbp.Text) >= 0.00d && Convert.ToDouble(tbp.Text) <= 200.00d)
                        {
                            isCorrect = true;
                        }
                        else
                        {
                            isCorrect = false;
                        }
                    }
                    break;
                case 3://-100-100
                    rg = new Regex(@"^(([-]?[1-9][0-9]?(\.\d{1,2})?)|([-]0(\.\d{1,2}))|^(0(\.\d{1,2})?|100(\.[0]{1,2})?|([-]100(\.[0]{1,2})?))$");//"^([-]{0,1}\d{0,2}[0]{0,1})$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 4://0-1000000
                    rg = new Regex(@"^((0(.\d{1,2})?)|([1-9]\d{0,5}(.\d{1,2})?|0|1000000))$");//"^([1-9]\d{0,5}|0|1000000)$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 5://0-20  行
                    rg = new Regex(@"^(0|[1-9]|1[0-9]|2[0])$");//@"^(([1]?\\d)|20)$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 6://0-30 列
                    rg = new Regex(@"^(0|[12][0-9]|30|[1-9])$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 7://0-100
                    rg = new Regex(@"^(\d|[1-9]\d|100)$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 8://0-1000
                    rg = new Regex(@"^(0|[1-9][0-9]{0,2}|1000)$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 9://0和正整数
                    rg = new Regex(@"^[0-9]*$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 10://文件名称（只支持英文）正则表达式
                    rg = new Regex(@"^[\\w-\\+\\.\\s]*[\\w]+[-\\+\\.\\s]*$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                case 11:
                    
                    rg = new Regex(@"^([0-9]\d{0,2}|1000)(\.\d{1})?$");
                    if (!rg.IsMatch(tbp.Text))
                    {
                        isCorrect = false;
                    }
                    else
                    {
                        isCorrect = true;
                    }
                    break;
                default:
                    break;
            }
            return isCorrect;
        }
        #endregion
    }
}