using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Net.Mail;
using System.Text;
using System.Threading.Tasks;
using ICSSoft.Base.Config.AppConfig;
using ICSSoft.Base.Config.DBHelper;

namespace ICSSoft.Frame.AutoSendMail
{
    class AutoSendMail
    {
        static void Main(string[] args)
        {
            try
            {
                
                string connstring = System.Configuration.ConfigurationManager.ConnectionStrings["SysConnectionString"].ToString();//数据库链接
                string days = "";

                for (int i = 0; i < 2; i++)
                {
                        
                        string sql = @" select distinct
d.WHCode 仓库编码,
e.StorageName 仓库名称, 
d.BinCode 库位编码,
f.StackName 库位名称,
c.LotNO 条码,
a.INVCODE 存货编码,
b.INVNAME 存货名称,
c.PRODUCTDATE 生产日期,
a.EATTRIBUTE1 as 保质期,
case when isnull(c.PRODUCTDATE,0)=0 then '' when isnull(a.EATTRIBUTE1,0)=0 then c.PRODUCTDATE ELSE DATEADD(day,cast(a.EATTRIBUTE1 as int),c.PRODUCTDATE)
 end as 到期日,
a.MUSERName 维护人,
d.LotQty 数量,
b.INVUOM 单位,
a.MTIME 维护时间
FROM dbo.ICSWareHouseLotInfo d
inner join ICSITEMLot c on c.LotNO=d.LotNO
inner join dbo.ICSINVInfo a on a.INVCODE=d.INVCODE
inner join ICSINVENTORY  b on a.INVCODE=b.INVCODE
LEFT JOIN dbo.ICSStorage e ON d.WHCode=e.StorageCode
left JOIN dbo.ICSStack f ON d.BinCode=f.StackCode
where 1=1 and a.INVCODE<>'' and c.LotNO<>'' and d.LotQty>0 and datediff(day,DATEADD(day,cast(a.EATTRIBUTE1 as int),c.PRODUCTDATE),getdate()) BETWEEN 0 and {0}";

                        //7天和3天发送邮件
                        if (i == 0)
                        {
                            sql += "  and ISNULL(d.IsMail1,0)=0";
                            days = System.Configuration.ConfigurationManager.AppSettings["MailDays1"].ToString();//天数
                        }
                        else
                        {
                            sql += " and ISNULL(d.IsMail1,0)=1 and ISNULL(d.IsMail2,0)=0";
                            days = System.Configuration.ConfigurationManager.AppSettings["MailDays2"].ToString();//天数
                        }
                        sql = string.Format(sql, days);
                        DataTable dt = DBHelper.ExecuteDataset(connstring, CommandType.Text, sql).Tables[0];
                        if (dt == null || dt.Rows.Count == 0) continue;

                    string html = @"
                    <table border= '1' cellspacing='0' cellpadding='0'><tbody>";

                    html += "您好,库存中<b>" + dt.Rows.Count + "</b>条物料条码的保质期已不足" + days + "天,请注意及时处理。<br /><br />";
                    html += @"
                        <tr> 
                            <th>行号</th> 
                            <th scope='col'>仓库</th> 
                            <th scope='col'>库位</th> 
                            <th scope='col'>条码</th>
                            <th scope='col'>物料编号</th> 
                            <th scope='col'>存货名称</th>
                            <th scope='col'>数量</th>
                            <th scope='col'>单位</th> 
                            <th scope='col'>到期日</th> 
                        </tr> 
                         ";
                    int m = 0;
                    foreach (DataRow dr in dt.Rows)
                    {
                        m++;
                        html += @"<tr><td>" + m + "</td>";
                        html += @"<td>" + dr["仓库编码"].ToString() + "</td>";
                        html += @"<td>" + dr["库位编码"].ToString() + "</td>";
                        html += @"<td>" + dr["条码"].ToString() + "</td>";
                        html += @"<td>" + dr["存货编码"].ToString() + "</td>";
                        html += @"<td>" + dr["存货名称"].ToString() + "</td>";
                        html += @"<td>" + dr["数量"].ToString() + "</td>";
                        html += @"<td>" + dr["单位"].ToString() + "</td>";
                        html += @"<td>" + dr["到期日"].ToString() + "</td>";
                        html += "</tr>";
                    }
                    html += "智合诚物料条码到期预警邮件通知，如有疑问，请联系我们。";
                    html += @"</tbody> 
                    </table>";
                    html = html.Replace("'", "\"");

                    string isMail = System.Configuration.ConfigurationManager.AppSettings["IsMail"].ToString();
                    if (isMail == "0")
                    {
                        return;
                    }
                    else if (isMail == "1")
                    {
                        string send = System.Configuration.ConfigurationManager.AppSettings["Send"].ToString();//发送邮箱地址
                        string sendAccount = System.Configuration.ConfigurationManager.AppSettings["SendAccount"].ToString();//发送邮箱账号
                        string sendPassWord = System.Configuration.ConfigurationManager.AppSettings["SendPassWord"].ToString();//发送邮箱账号
                        string[] to = System.Configuration.ConfigurationManager.AppSettings["To"].ToString().Split(',');//接受邮箱地址
                        string host = System.Configuration.ConfigurationManager.AppSettings["Host"].ToString();//邮件服务器
                        string port = System.Configuration.ConfigurationManager.AppSettings["Port"].ToString();//端口 默认25

                        MailMessage message = new MailMessage();

                        message.From = new MailAddress(send);

                        foreach (string s in to)
                        {
                            message.To.Add(s);
                        }

                        message.Subject = "物料条码保质期预警-" + DateTime.Now.ToString("yyyy-MM-dd");
                        message.Body = html;
                        message.SubjectEncoding = System.Text.Encoding.UTF8;    //邮件标题编码
                        message.BodyEncoding = System.Text.Encoding.UTF8;       //邮件内容编码
                        message.IsBodyHtml = true;                             //是否是HTML邮件 
                        message.Priority = MailPriority.Normal;                 //邮件优先级

                        SmtpClient client = new SmtpClient();
                        client.Credentials = new System.Net.NetworkCredential(sendAccount, sendPassWord);
                        client.Port = int.Parse(port);
                        client.Host = host;
                        client.Send(message);


                        foreach (DataRow dr in dt.Rows)
                        {
                            if (i == 0)
                                sql = @"update ICSWareHouseLotInfo set IsMail1=1 where LotNO='{0}' and WHCode='{1}' and BinCode='{2}'";
                            else
                                sql = @"update ICSWareHouseLotInfo set IsMail2=1 where LotNO='{0}' and WHCode='{1}' and BinCode='{2}'";

                            sql = string.Format(sql, dr["条码"].ToString(), dr["仓库编码"].ToString(), dr["库位编码"].ToString());
                            DBHelper.ExecuteDataset(connstring, CommandType.Text, sql);
                        }
                        
                    }
                    else
                    {
                        return;
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
    }
}