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

namespace GDNXFD.Data
{
    public class CommonMethod
    {
        public static DateTime ConvertIntDateTime(double utc)
        {
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
            startTime = startTime.AddSeconds(utc);
            //startTime = startTime.AddHours(8);
            return startTime;
        }

        public static int ConvertDateTimeInt(DateTime time)
        {
            int utc = 0;
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
            utc = (int)(time - startTime).TotalSeconds;
            return utc;
        }

        public static DateTime GetQuarterFloor(DateTime time)
        {
            var m = time.Minute;
            if (m < 15)
                return DateTime.Parse(time.ToString("yyyy-MM-dd HH:") + "00:00");
            else if (m < 30)
                return DateTime.Parse(time.ToString("yyyy-MM-dd HH:") + "15:00");
            else if (m < 45)
                return DateTime.Parse(time.ToString("yyyy-MM-dd HH:") + "30:00");
            else
                return DateTime.Parse(time.ToString("yyyy-MM-dd HH:") + "45:00");
        }

        public static string BuildPointId(string PointID)
        {
            if (string.IsNullOrWhiteSpace(PointID))
                return string.Empty;

            string[] ids = PointID.Split('.');
            if (ids != null && ids.Length == 3)
            {
                PointID = ids[1] + "_" + ids[2];
            }
            return PointID;
        }

        public static string[] BuildPointIds(string[] ids)
        {
            string[] ret = null;
            if (ids != null)
            {
                ret = new string[ids.Length];
                for (int i = 0; i < ids.Length; i++)
                {
                    ret[i] = BuildPointId(ids[i]);
                }
            }

            return ret;
        }

        public static string ConvertWindturbineAlertRank(string warnLevel)
        {
            switch (warnLevel)
            {
                case "ZC_BJ":
                    return "1";
                case "YJ_BJ":
                    return "2";
                case "GZ_BJ":
                    return "3";
                case "WH_BJ":
                    return "4";
                case "XD_BJ":
                    return "5";
            }
            return "3";
        }

        public static string ConvertIFixAlertRank(string warnLevel)
        {
            switch (warnLevel)
            {
                case "LOLO":
                    return "1";
                case "LO":
                    return "2";
                case "MEDIUM":
                    return "3";
                case "HI":
                    return "4";
                case "HIHI":
                    return "5";
            }
            return "3";
        }

        public static string StringCopy(string src, int maxLen)
        {
            if (src.Length < maxLen)
                return src;
            else
                return src.Substring(0, maxLen);
        }


        /// <summary>
        /// 返回日期几
        /// </summary>
        /// <returns></returns>
        public static string DayOfWeek(DateTime dt)
        {
            switch (dt.DayOfWeek.ToString("D"))
            {
                case "0":
                    return "星期日 ";
                case "1":
                    return "星期一 ";
                case "2":
                    return "星期二 ";
                case "3":
                    return "星期三 ";
                case "4":
                    return "星期四 ";
                case "5":
                    return "星期五 ";
                case "6":
                    return "星期六 ";
            }
            return "";
        }

        #region 文件路径分解

        public static string GetFilePath(string fullPath)
        {
            string[] pathInfo = fullPath.Split('\\');
            if (pathInfo.Length > 1)
            {
                int idx = fullPath.LastIndexOf('\\');
                string resultStr = fullPath.Substring(0, idx - 0);
                return resultStr;
            }

            return "";
        }

        public static string GetFileName(string fullPath)
        {
            string[] pathInfo = fullPath.Split('\\');
            if (pathInfo.Length > 1)
            {
                return pathInfo[pathInfo.Length - 1];
            }

            return "";
        }

        public static string GetFileNameNoExtend(string fullPath)
        {
            string fileName = GetFileName(fullPath);
            if (fileName.Length > 0)
            {
                string[] extInfo = fileName.Split('.');
                if (extInfo.Length > 1)
                {
                    int idx = fileName.LastIndexOf('.');
                    string finalStr = fileName.Substring(0, idx - 0);
                    return finalStr;
                }
            }
            return "";
        }

        public static string GetFileExtend(string fullPath)
        {
            string fileName = GetFileName(fullPath);
            if (fileName.Length > 0)
            {
                string[] extInfo = fileName.Split('.');
                if (extInfo.Length > 1)
                {
                    int idx = fileName.LastIndexOf('.');
                    string finalStr = fileName.Substring(idx + 1, fileName.Length - idx - 1);
                    return finalStr;
                }
            }
            return "";
        }

        #endregion
    }
}