using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Timers;
using System.Net.Mail;
using System.Data;
using Wellan.Data;
using System.Text;
using System.IO;

/// <summary>
/// 定時發送郵件
/// 
/// 1. 代理人代理前一天發送郵件通知 
/// </summary>
public class MailTask
{
    private Timer timer1;
    private static MailTask instance = null;

    private MailTask()
    {
        timer1 = new Timer();
        timer1.Interval = 1000;
        timer1.AutoReset = true;
        timer1.Elapsed += Timer1_Elapsed;        
    }

    private void Timer1_Elapsed(object sender, ElapsedEventArgs e)
    {
        var nowTime = DateTime.UtcNow.AddHours(8).ToString("HHmmss");

        // 每日定時工作
        if (nowTime == "000000")
        {
            發代理人提醒郵件();
        }

        // 每小時定時工作
        if (nowTime.EndsWith("0000"))
        {

        }

        // 每分鐘定時工作
        if (nowTime.EndsWith("00"))
        {

        }
    }
    private static void EnsureInstance()
    {
        if (instance == null)
            instance = new MailTask();
    }

    public static bool Enabled
    {
        get
        {
            EnsureInstance();
            return instance.timer1.Enabled;
        }
        set
        {
            EnsureInstance();
            instance.timer1.Enabled = value;
        }
    }

    private void 發代理人提醒郵件()
    {
        RparDAC dao = new RparDAC();
        var notofyList = dao.代理人提醒(DateTime.UtcNow.AddHours(8).Date.AddDays(1));

        // RPPYN 年度接單編號
        // RPREN 單號
        // RPNUM 差假員工編號
        // BPNME 差假員工姓名
        // BPEML 差假員工電郵
        // RPTYP 差假類別代碼
        // BSSCR 差假類別名稱
        // RPAGT 代理人姓名
        // RPAGM 代理人電郵
        // RPRDT 差假開始日期
        // RPRTM 差假開始時間
        // RPEDT 差假結束日期
        // RPETM 差假結束時間

        foreach (DataRow r in notofyList.Rows)
        {
            var 單號 = WDAC.GetStringValue(r["RPREN"]);
            var 類別 = WDAC.GetStringValue(r["RPTYP"]);

            switch (類別.Substring(0, 1))
            {
                // 請假
                case RPAR_TYPE.T0_請假:
                    類別 = "請假";
                    break;
                // 差旅
                case RPAR_TYPE.T3_出差:
                    類別 = "差旅";
                    break;
                default:
                    return;
            }

            MailMessage mm = new MailMessage();
            mm.Subject = String.Format("{1}代理提醒 [單號:{0}]", 單號, 類別);
            mm.To.Add(new MailAddress(WDAC.GetStringValue(r["RPAGM"])));
            mm.BodyEncoding = Encoding.UTF8;
            mm.IsBodyHtml = true;
            mm.Body = File.ReadAllText(HttpContext.Current.Server.MapPath("~/Template/代理人提醒.html"))
                .Replace("{類別}", 類別)
                .Replace("{單號}", 單號)
                .Replace("{差勤人}", WDAC.GetStringValue(r["BPNME"]))
                .Replace("{事由}", 類別 == "請假" ? WDAC.GetStringValue(r["RPRSN"]) : WDAC.GetStringValue(r["RPDOC"]))
                .Replace("{起日}", String.Format("{0:yyyy-MM-dd}", r["RPRDT"]))
                .Replace("{起時}", String.Format("{0}", r["RPRTM"]))
                .Replace("{迄日}", String.Format("{0:yyyy-MM-dd}", r["RPEDT"]))
                .Replace("{迄時}", String.Format("{0}", r["RPETM"]))
                ;
            // 發送郵件
            try
            {
                Wellan.Service.WMailSender.GetInstance().Send(mm, string.Format("代理提醒 單號:{0}", 單號));
            }
            catch
            { }
        }

    }

}