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

using Sog;

namespace Operation
{
    public static class ExComm
    {
        public static int Toint32(this string str, int Defaultvalue = 0)
        {
            int i;
            return int.TryParse(str, out i) ? i : Defaultvalue;
        }
        public static long Tolong(this string str, long Defaultvalue = 0)
        {
            long i;
            return long.TryParse(str, out i) ? i : Defaultvalue;
        }
        public static double ToDouble(this string str, double Defaultvalue = 0)
        {
            double i;
            return double.TryParse(str, out i) ? i : Defaultvalue;
        }
        public static float ToFloat(this string str, float Defaultvalue = 0)
        {
            float i;
            return float.TryParse(str, out i) ? i : Defaultvalue;
        }

        public static T ToJson<T>(this string str) where T : new()
        {
            try
            {
                return JsonConfig.parse<T>(str);
            }
            catch (Exception ex)
            {
                TraceLog.Debug("ExComm.ToJson err msg {0}", ex.Message);
                return new T();
            }
        }

        public static string ToJsonstr(this object obj)
        {
            try
            {
                return JsonConfig.stringify(obj);
            }
            catch (Exception ex)
            {
                TraceLog.Debug("ExComm.ToJson err msg {0}", ex.Message);
                return "";
            }
        }

        //字符串只有字母数字
        public static bool AdjustString(string str, int minLen, int maxLen)
        {
            if(str.Length < minLen || str.Length > maxLen)
            {
                return false;
            }

            string pattern = @"^[a-zA-Z0-9]*$";
            
            if(!Regex.IsMatch(str, pattern))
            {
                return false;
            }

            return true;
        }

        public static int CheckDateTime(DateTime startTime, DateTime endTime)
        {
            var TimeSecond = OperationServerUtils.GetTimeStamp(DateTime.Now);
            var startTimetamp = OperationServerUtils.GetTimeStamp(startTime);
            var endTimetamp = OperationServerUtils.GetTimeStamp(endTime);

            if (endTimetamp < 0)
            {
                return 0;
            }

            if (TimeSecond < startTimetamp)
            {
                return -1;
            }
            else if (TimeSecond > endTimetamp)
            {
                return 1;
            }

            return 0;
        }
    }
}