using System;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
using Tiobon.Core.Common.DB.Dapper.Const;
using Tiobon.Core.Common.DB.Dapper.Enums;

namespace Tiobon.Core.Common.DB.Dapper.Extensions
{
    public static class StringExtension
    {
        public static bool _windows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
        public static string ReplacePath(this string path)
        {
            if (string.IsNullOrEmpty(path))
                return "";
            if (_windows)
                return path.Replace("/", "\\");
            return path.Replace("\\", "/");

        }

        public static bool GetGuid(this string guid, out Guid outId)
        {
            Guid emptyId = Guid.Empty;
            return Guid.TryParse(guid, out outId);
        }

        public static bool IsGuid(this string guid)
        {
            Guid newId;
            return guid.GetGuid(out newId);
        }

        public static bool IsInt(this object obj)
        {
            if (obj == null)
                return false;
            bool reslut = Int32.TryParse(obj.ToString(), out int _number);
            return reslut;

        }
        public static bool IsDate(this object str)
        {
            return str.IsDate(out _);
        }
        public static bool IsDate(this object str, out DateTime dateTime)
        {
            dateTime = DateTime.Now;
            if (str == null || str.ToString() == "")
            {
                return false;
            }
            return DateTime.TryParse(str.ToString(), out dateTime);
        }
        /// <summary>
        /// 根据传入格式判断是否为小数
        /// </summary>
        /// <param name="str"></param>
        /// <param name="formatString">18,5</param>
        /// <returns></returns>
        public static bool IsNumber(this string str, string formatString)
        {
            if (string.IsNullOrEmpty(str))
                return false;
            int precision = 32;
            int scale = 5;
            try
            {
                if (string.IsNullOrEmpty(formatString))
                {
                    precision = 10;
                    scale = 2;
                }
                else
                {
                    string[] numbers = formatString.Split(',');
                    precision = Convert.ToInt32(numbers[0]);
                    scale = numbers.Length == 0 ? 2 : Convert.ToInt32(numbers[1]);
                }
            }
            catch { };
            return IsNumber(str, precision, scale);
        }
        /**/
        /// <summary>
        /// 判断一个字符串是否为合法数字(指定整数位数和小数位数)
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="precision">整数位数</param>
        /// <param name="scale">小数位数</param>
        /// <returns></returns>
        public static bool IsNumber(this string str, int precision, int scale)
        {
            if ((precision == 0) && (scale == 0))
            {
                return false;
            }
            string pattern = @"(^\d{1," + precision + "}";
            if (scale > 0)
            {
                pattern += @"\.\d{0," + scale + "}$)|" + pattern;
            }
            pattern += "$)";
            return Regex.IsMatch(str, pattern);
        }


        public static int GetInt(this object obj)
        {
            if (obj == null)
                return 0;
            int.TryParse(obj.ToString(), out int _number);
            return _number;

        }
    }
}