using ForwarderQuery.DB;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Net;
using System.Text.RegularExpressions;
using System.Web;

namespace ForwarderQuery.Helper
{
    public static class QueryHelper
    {
        public static bool Query(string mblno, string vessel, string voyno, out string strResult)
        {
            CangdanData cangdanData = new CangdanData();

            mblno = mblno.ToUpper();
            var dt = DateTime.Now.AddDays(-20);
            List<OpSeaeEdi> listData = null;
            var mblnoPrefix = mblno.Length > 4 ? mblno.Substring(0, 4) : mblno;
            var allLetter = Regex.IsMatch(mblnoPrefix, "^[A-Z]{4}$");
            var allNumber = Regex.IsMatch(mblnoPrefix, "^[0-9]{4}$");
            if (allLetter) //全部字母
            {
                listData = cangdanData.Edis.AsNoTracking().Where(x => x.录入日期 > dt && x.船名 == vessel && x.航次 == voyno && x.主提单号.StartsWith(mblnoPrefix)).ToList();
            }
            else if (allNumber) //全部数字
            {
                var specialArr = new string[] { "14", "15", "79" };
                if (specialArr.Contains(mblnoPrefix.Substring(0, 2))) //14、15、19开头的数字
                {
                    var numPrefix = mblnoPrefix.Substring(0, 2);
                    listData = cangdanData.Edis.AsNoTracking().Where(x => x.录入日期 > dt && x.船名 == vessel && x.航次 == voyno && x.主提单号.StartsWith(numPrefix)).ToList();
                }
                else
                {
                    listData = cangdanData.Edis
                        .AsNoTracking()
                        .Where(x => x.录入日期 > dt && x.船名 == vessel && x.航次 == voyno)
                        .ToList()
                        .Where(x => Regex.IsMatch(x.主提单号.Substring(0, 2), "^[0-9]{2}$") && !specialArr.Contains(x.主提单号.Substring(0, 2)))
                        .ToList();

                }
            }
            else
            {
                listData = cangdanData.Edis.AsNoTracking().Where(x => x.录入日期 > dt && x.船名 == vessel && x.航次 == voyno).ToList();

                listData = listData.Where(x =>
                {
                    var r = true;
                    for (int idx = 0; idx < 4; idx++)
                    {
                        r &= MatchByChar(mblnoPrefix[idx], x.主提单号[idx]);
                    }

                    return r;
                }).ToList();
            }

            if (listData.Count > 0)
            {
                //计算数量
                var groupCount = listData.GroupBy(x => x.船代).Select(x => new { x.Key, Count = x.Count() }).ToList();
                var maxCount = groupCount.Max(x => x.Count);
                var result = groupCount.Where(x => x.Count == maxCount).Select(x => x.Key).ToList();

                strResult = string.Join(" 或 ", result);
                return true;

            }

            strResult = string.Empty;
            return false;
        }


        private static bool MatchByChar(char c1, char c2)
        {
            var s1 = c1.ToString().ToUpper();
            var s2 = c2.ToString().ToUpper();

            if (Regex.IsMatch(s1, "^[0-9]{1}$")) //第一位是数字
            {
                if (!Regex.IsMatch(s2, "^[0-9]{1}$")) //非数字
                {
                    return false;
                }
            }
            else if (s1 != s2)
            {
                return false;
            }

            return true;
        }

        public static string QueryCarrier(string mblno)
        {
            try
            {
                WebClient webClient = new WebClient();
                webClient.Encoding = System.Text.Encoding.UTF8;
                var strJson = webClient.DownloadString(ConfigurationManager.AppSettings["CarrierQueryUrl"] + mblno);
                var jobj = JObject.Parse(strJson);
                if (jobj.GetValue("status").ToString() == "1")
                {
                    var jobjData = jobj.GetValue("data") as JObject;
                    return $"{jobjData.GetValue("carrierCode")}-{jobjData.GetValue("carrierName")}";
                }
            }
            catch { }
            return string.Empty;
        }
    }
}