using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Traffic.Data.ViewModels;

namespace LiangLiSystem.Services.Helpers
{
    public static class Util
    {
        public static string GetEnumDesc(Enum value)
        {
            FieldInfo fi = value.GetType().GetField(value.ToString());

            DescriptionAttribute[] attributes = fi.GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[];

            if (attributes != null && attributes.Any())
            {
                return attributes.First().Description;
            }

            return value.ToString();
        }

        public static DateTime GetDateTimeNow()
        {
            return Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"));
        }
        public static string GetDateTimeNow(string date)
        {
            return Convert.ToDateTime(date).ToString("yyyy-MM-dd HH:mm:ss");
        }

        public static SearchModel GetSearchModel(SearchModelViewModel searchModel)
        {
            return new SearchModel
            {
                Term = searchModel.Term,
                Page = Convert.ToInt32(string.IsNullOrWhiteSpace(searchModel.Page) ? "1" : searchModel.Page),
                PageSize = Convert.ToInt32(string.IsNullOrWhiteSpace(searchModel.PageSize) ? "1" : searchModel.PageSize),
                IsAsc = (searchModel.IsAsc == "true" || searchModel.IsAsc == "") ? true : false,
                Order = string.IsNullOrWhiteSpace(searchModel.Order) ? "id" : searchModel.Order,
            };
        }

        /// <summary>
        /// #必須包含數字, #必須包含小寫字母, #必須包含大寫字母, #必須包含特殊符號, #至少8個字符，最多30個字符
        /// </summary>
        /// <param name="password"></param>
        /// <returns></returns>
        public static bool IsValidPassword(string password)
        {
            var regex = new Regex(@"
                                (?=.*[0-9])                     #必須包含數字
                                (?=.*[a-z])                     #必須包含小寫字母
                                (?=.*[A-Z])                     #必須包含大寫字母
                                (?=([\x21-\x7e]+)[^a-zA-Z0-9])  #必須包含特殊符號
                                .{12,30}                        #至少12個字符，最多30個字符
                                ", RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace);

            return regex.Match(password).Success;
        }
    }
}