using Newtonsoft.Json;
using System.Runtime.CompilerServices;
using System.Text;

namespace WebApplication1
{

    public static class ConvertorExtension
    {
        /// <summary>
        /// model=>json string
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="t"></param>
        /// <returns></returns>

        private readonly static JsonSerializerSettings settings = new JsonSerializerSettings()
        {
            NullValueHandling = NullValueHandling.Ignore,
            ReferenceLoopHandling = ReferenceLoopHandling.Ignore
        };
        public static string ConvertToJsonStr<T>(this T t)
        {
            try
            {
                return JsonConvert.SerializeObject(t, Formatting.None, settings);

            }
            catch
            {
                return default;
            }
        }
        public static T DeepCopy<T>(this T t)
        {
            return t.ConvertToJsonStr().ConvertToModel<T>();
        }
        /// <summary>
        /// json转为匿名对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="json"></param>
        /// <param name="anonymousTypeObject"></param>
        /// <returns></returns>
        public static T ConvertToAnonymousType<T>(this object json, T anonymousTypeObject)
        {
            try
            {
                return JsonConvert.DeserializeAnonymousType(json.ToString(), anonymousTypeObject);
            }
            catch
            {
                return default;
            }
        }
        /// <summary>
        /// object 转匿名类
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="anonymous"></param>
        /// <param name="anonymousType"></param>
        /// <returns></returns>
        public static T ConvertToAnonymous<T>(this object anonymous, T anonymousType)
        {
            try
            {
                if (anonymous != null)
                {
                    return (T)anonymous;
                }
                else
                {
                    return default;
                }
            }
            catch
            {
                return default;

            }
        }
        /// <summary>
        /// json string=>mdoel
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="str"></param>
        /// <returns></returns>
        public static T ConvertToModel<T>(this string str, [CallerMemberName] string methodname = "")
        {
            try
            {
                return JsonConvert.DeserializeObject<T>(str);
            }
            catch (Exception)
            {
                return default;
            }
        }
        public static string ConvertToBase64(this string str)
        {
            return Convert.ToBase64String(Encoding.Default.GetBytes(str));
        }
        public static string ConvertToGetParam(this object obj)
        {
            StringBuilder strBui = new StringBuilder();

            System.Reflection.PropertyInfo[] proArray = obj.GetType().GetProperties();
            foreach (System.Reflection.PropertyInfo pro in proArray)
            {
                if (strBui.Length < 1)
                {
                    strBui.Append("?");
                }
                else
                {
                    strBui.Append("&");
                }
                strBui.Append(string.Format("{0}={1}", pro.Name, pro.GetValue(obj, null)));
            }
            return strBui.ToString();
        }
        // DateTime --> long
        public static long ConvertDateTimeToLong(DateTime dt)
        {
            DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
            TimeSpan toNow = dt.Subtract(dtStart);
            long timeStamp = toNow.Ticks;
            timeStamp = long.Parse(timeStamp.ToString().Substring(0, timeStamp.ToString().Length - 4));
            return timeStamp;
        }
        // long --> DateTime
        public static DateTime ConvertLongToDateTime(long d)
        {
            DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
            long lTime = long.Parse(d + "0000");
            TimeSpan toNow = new TimeSpan(lTime);
            DateTime dtResult = dtStart.Add(toNow);
            return dtResult;
        }

    }
}