using log4net;
using Quartz;
using System;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;
using MailKit;
using MailKit.Net.Imap;
using MailKit.Search;
using MimeKit;
using System.Data.Entity;
using System.Data.SqlClient;

namespace JobSendAgentMail
{



    public class MailDataContext : DbContext
    {
        public MailDataContext(string nameOrConnectionString)
            : base(nameOrConnectionString)
        {

        }
               
        public DbSet<MailReceiveRecordInfo> ReceiveRecords { get; set; }

        public DbSet<MailSend> MailSend { get; set; }

        public DbSet<OpMailLog> OpMailLogs { get; set; }

    }

    public class D7OPSEAEMAIL
    {
        public string BSNO { get; set; }

        public string AGENTMAIL { get; set; }
        public string OPEMAIL { get; set; }
        public string MBLNO { get; set; }
        public string HBLNO { get; set; }
        public string INVNO { get; set; }


    }

    public class JobReceiveMail : IJob
    {
        private ILog log = LogManager.GetLogger(typeof(JobReceiveMail));

        public void Execute(IJobExecutionContext context)
        {

            string connStr = context.JobDetail.JobDataMap.GetString("ConnectString");
            string querySql = context.JobDetail.JobDataMap.GetString("QuerySql");
            string hblquerySql = context.JobDetail.JobDataMap.GetString("HblQuerySql");
            string DocType = context.JobDetail.JobDataMap.GetString("DocType");
            string D7FilePath = context.JobDetail.JobDataMap.GetString("D7FilePath");
            string MAILSENDACCOUNT = context.JobDetail.JobDataMap.GetString("MAILSENDACCOUNT");
            string MAILSENDPASSWORD = context.JobDetail.JobDataMap.GetString("MAILSENDPASSWORD");
            string MAILSENDSERVICE = context.JobDetail.JobDataMap.GetString("MAILSENDSERVICE");
            string MAILSENDPORT = context.JobDetail.JobDataMap.GetString("MAILSENDPORT");
            string MAILISSSL = context.JobDetail.JobDataMap.GetString("MAILISSSL");
            string MAILTEMPLATE = context.JobDetail.JobDataMap.GetString("MAILTEMPLATE");
            string MAILTITLE = context.JobDetail.JobDataMap.GetString("MAILTITLE");
            string basePath = AppDomain.CurrentDomain.BaseDirectory;
            string savePath = Path.Combine(basePath, $"{DateTime.Now.ToString("yyyyMMdd")}\\{MAILSENDACCOUNT}");

            log.Debug($"开始接收邮件");
            using (SqlConnection dbcon = new SqlConnection(connStr))
            {
                dbcon.Open();

                using (var imapClient = new ImapClient())
                {
                    imapClient.ServerCertificateValidationCallback = (s, c, h, e) => true;
                    imapClient.Connect(MAILSENDSERVICE, Convert.ToInt16(MAILSENDPORT), Convert.ToBoolean(MAILISSSL));
                    imapClient.Authenticate(MAILSENDACCOUNT, MAILSENDPASSWORD);
                    log.Debug($"已连接邮件");

                    var inbox = imapClient.Inbox;
                    inbox.Open(FolderAccess.ReadOnly);
                    MailDataContext mailData = new MailDataContext(connStr);
                    var uids = inbox.Search(SearchQuery.DeliveredAfter(DateTime.Now).And(SearchQuery.DeliveredBefore(DateTime.Now.AddDays(1))));

                    //MailDataContext dataContext = new MailDataContext(connStr);

                    for (int i = 0; i < uids.Count; i++)
                    {
                        var uid = uids[i];


                        var c = mailData.ReceiveRecords.Count(r => r.MailAccount == MAILSENDACCOUNT && r.MailId == uid.Id);
                        if (c > 0)
                        {
                            continue; //忽略
                        }

                        try
                        {
                            var recInfo = new MailReceiveRecordInfo();
                            recInfo.MailAccount = MAILSENDACCOUNT;
                            recInfo.MailId = uid.Id;
                            recInfo.MailDate = DateTime.Now;

                            string emlSavePath = Path.Combine(savePath, $"{uid}.eml");
                            var message = inbox.GetMessage(uid);
                            //message.WriteTo(emlSavePath);

                            recInfo.Subject = message.Subject;
                            recInfo.Sender = message.From[0].ToString();
                            recInfo.RecTime = message.Date.ToLocalTime().DateTime;
                            if (recInfo.RecTime < DateTime.Parse("1970-01-01"))
                            {
                                recInfo.RecTime = DateTime.Now;
                            }

                            #region body乱码处理
                            string body = string.Empty;
                            //if (message.TextBody != null)
                            //{
                            //    body = message.TextBody;
                            //}
                            //else if (message.HtmlBody != null)
                            //{
                            //    body = message.HtmlBody;
                            //}
                            recInfo.Body = message.HtmlBody;
                            #endregion

                            string strAttach = string.Empty;
                            foreach (var att in message.Attachments)
                            {
                                MimePart attPart = att as MimePart;
                                if (attPart != null)
                                {
                                    strAttach += attPart.FileName + ";";
                                }
                            }
                            recInfo.Attachments = strAttach;
                            recInfo.FilePath = emlSavePath;

                            mailData.ReceiveRecords.Add(recInfo);
                            mailData.SaveChanges(); //立即保存
                            log.Debug($"已保存邮件");

                            if (recInfo.Subject.IndexOf("SZNG HBL") == 0)
                            {
                                log.Debug($"分析邮件");

                                var mailsubject = recInfo.Subject;
                                var subjectlist = mailsubject.Split(':');
                                if (subjectlist.Length >=3)
                                {
                                    var STATUS = "";
                                    var HBLNO = subjectlist[0].Replace("SZNG HBL","").Trim();
                                    log.Debug($"分析邮件："+HBLNO+" "+STATUS);

                                    var statuslist = subjectlist[2].Split(' ');
                                    if (statuslist.Length >= 0) STATUS = statuslist[2].Trim();
                                    if (!string.IsNullOrEmpty(HBLNO) && !string.IsNullOrEmpty(STATUS))
                                    {

                                        var tastStr = $" update op_seae_edi set MANIFESTSTATUS=MANIFESTSTATUS+' '+'{STATUS}' where HBLNO='{HBLNO}' AND MANIFESTSTATUS not like '%{STATUS}%' ";
                                        SqlCommand cmdtast = new SqlCommand(tastStr, dbcon);
                                        cmdtast.ExecuteNonQuery();
                                        log.Debug($"更新舱单状态：" + HBLNO + " " + STATUS);

                                        var AGENTMAIL = AGENTEMAIL(HBLNO, querySql,dbcon);
                                        if (!string.IsNullOrEmpty(AGENTMAIL.AGENTMAIL))
                                        {
                                            log.Debug($"生成转发：" + HBLNO + " " + STATUS);
                                            MAILTITLE = MAILTITLE.Replace("$MBLNO$", AGENTMAIL.MBLNO);
                                            MAILTITLE = MAILTITLE.Replace("$INVNO$",AGENTMAIL.INVNO);
                                            MAILTITLE = MAILTITLE.Replace("$MAILTITLE$", recInfo.Subject);
                                            var sendmail = new MailSend();
                                            sendmail.GID = Guid.NewGuid().ToString();
                                            sendmail.Title = MAILTITLE;
                                            sendmail.Body = recInfo.Body;
                                            sendmail.SendTo = AGENTMAIL.AGENTMAIL;
                                            sendmail.CCTo= AGENTMAIL.OPEMAIL;
                                            sendmail.RelativeId = AGENTMAIL.BSNO;
                                            sendmail.SendStatus = "Create";
                                            sendmail.CreateTime = DateTime.Now;
                                            sendmail.TryCount = 0;
                                            mailData.MailSend.Add(sendmail);
                                            mailData.SaveChanges();
                                            log.Debug($"保存转发：" + HBLNO + " " + STATUS);

                                        }
                                    }
                                }
                            }

                            mailData.Dispose();
                            mailData = null;

                        }
                        catch (Exception ex)
                        {
                            log.Error($"收取邮件时，发生严重错误：{uid}");
                            log.Error(ex.Message);
                            log.Error(ex.StackTrace);
                        }
                    }

                    if (inbox.IsOpen)
                    {
                        inbox.Close();
                        imapClient.Disconnect(true);
                    }
                }

                dbcon.Close();
            }


        }


        static public D7OPSEAEMAIL AGENTEMAIL(string HBLNO,string QuerySql,SqlConnection dbcon)
        {
            var result = new D7OPSEAEMAIL();
            QuerySql = QuerySql.Replace("@HBLNO", HBLNO);
            SqlDataAdapter adapter = new SqlDataAdapter(QuerySql, dbcon);
            DataTable table = new DataTable();
            adapter.Fill(table);
            if (table.Columns.Contains("BSNO") && table.Columns.Contains("AGENTEMAIL"))
            {

                if (table.Rows.Count > 0)
                {
                    foreach (DataRow row in table.Rows)
                    {
                        result.AGENTMAIL = row["AGENTEMAIL"].ToString();
                        result.OPEMAIL = row["OPEMAIL"].ToString();
                        result.BSNO = row["BSNO"].ToString();
                        result.INVNO = row["INVNO"].ToString();
                        result.MBLNO = row["MBLNO"].ToString();

                    }
                }
            }

            return result;
        }

    }
}