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

namespace Myshipping.Core
{
    public static class JsonExtension
    {
        /// <summary>
        /// 获取JObject
        /// </summary>
        /// <param name="jobj"></param>
        /// <param name="prop"></param>
        /// <returns></returns>
        public static JObject GetJObjectValue(this JObject jobj, string prop)
        {
            var jt = jobj[prop];
            if (jt == null)
            {
                return null;
            }

            return jt as JObject;
        }

        /// <summary>
        /// 获取字符串值
        /// </summary>
        /// <param name="jobj"></param>
        /// <param name="prop"></param>
        /// <returns></returns>
        public static string GetStringValue(this JObject jobj, string prop)
        {
            var jt = jobj[prop];
            if (jt == null)
            {
                return string.Empty;
            }

            return jt.ToString();
        }

        /// <summary>
        /// 获取int值
        /// </summary>
        /// <param name="jobj"></param>
        /// <param name="prop"></param>
        /// <returns></returns>
        public static int GetIntValue(this JObject jobj, string prop)
        {
            var jt = jobj[prop];
            if (jt == null)
            {
                return 0;
            }

            var strVal = jt.ToString();
            int rtnVal = 0;
            int.TryParse(strVal, out rtnVal);
            return rtnVal;
        }

        /// <summary>
        /// 获取decimal值
        /// </summary>
        /// <param name="jobj"></param>
        /// <param name="prop"></param>
        /// <returns></returns>
        public static decimal GetDecimalValue(this JObject jobj, string prop)
        {
            var jt = jobj[prop];
            if (jt == null)
            {
                return 0;
            }

            var strVal = jt.ToString();
            decimal rtnVal = 0;
            decimal.TryParse(strVal, out rtnVal);
            return rtnVal;
        }

        /// <summary>
        /// 获取datetime值
        /// </summary>
        /// <param name="jobj"></param>
        /// <param name="prop"></param>
        /// <returns></returns>
        public static DateTime? GetDateTimeValue(this JObject jobj, string prop)
        {
            var jt = jobj[prop];
            if (jt == null)
            {
                return null;
            }

            var strVal = jt.ToString();
            DateTime rtnVal = DateTime.MinValue;
            if (DateTime.TryParse(strVal, out rtnVal))
            {
                return rtnVal;
            }

            return null;
        }

        /// <summary>
        /// 获取datetime值，不带秒（yyyy-MM-dd HH:mm）
        /// </summary>
        /// <param name="jobj"></param>
        /// <param name="prop"></param>
        /// <returns></returns>
        public static DateTime? GetDateTimeMinuteValue(this JObject jobj, string prop)
        {
            var jt = jobj[prop];
            if (jt == null)
            {
                return null;
            }

            var strVal = jt.ToString() + ":00";
            DateTime rtnVal = DateTime.MinValue;
            if (DateTime.TryParse(strVal, out rtnVal))
            {
                return rtnVal;
            }

            return null;
        }
    }
}