using System;

using System.Collections.Generic;

using System.Text;

using System.Xml;

using System.Configuration;

using System.Web;

using System.IO;

using System.Net;

using System.Net.Mail;



namespace DotNet.Framework.Common

{

    /// <summary>

    /// 邮件发送

    /// </summary>

    public class MailSender

    {



        public static void Send(string tomail, string bccmail, string subject, string body, params string[] files)

        {

            Send(SmtpConfig.Create().SmtpSetting.Sender, tomail, bccmail, subject, body, true, Encoding.Default, true, files);

        }





        public static void Send(string frommail, string tomail, string bccmail, string subject,

                        string body, bool isBodyHtml, Encoding encoding, bool isAuthentication, params string[] files)

        {

            Send(SmtpConfig.Create().SmtpSetting.Server, SmtpConfig.Create().SmtpSetting.UserName, SmtpConfig.Create().SmtpSetting.Password, frommail,

                tomail, "", bccmail, subject, body, isBodyHtml, encoding, isAuthentication, files);

        }





        /// <summary>

        /// 

        /// </summary>

        /// <param name="server"></param>

        /// <param name="username"></param>

        /// <param name="password"></param>

        /// <param name="frommail"></param>

        /// <param name="tomail"></param>

        /// <param name="ccmail"></param>

        /// <param name="bccmail"></param>

        /// <param name="subject"></param>

        /// <param name="body"></param>

        /// <param name="isBodyHtml"></param>

        /// <param name="encoding"></param>

        /// <param name="isAuthentication"></param>

        /// <param name="files"></param>

        public static void Send(string server, string username, string password, string frommail, string tomail, string ccmail, string bccmail, string subject,

                        string body, bool isBodyHtml, Encoding encoding, bool isAuthentication, params string[] files)

        {





            SmtpClient smtpClient = new SmtpClient(server);

            //MailAddress from = new MailAddress("ben@contoso.com", "Ben Miller");

            //MailAddress to = new MailAddress("jane@contoso.com", "Jane Clayton");

            MailMessage message = new MailMessage(frommail, tomail);



            if (bccmail.Length > 1)

            {

                string[] maillist = Common.Helper.StringHelper.GetStrArray(bccmail);

                foreach (string m in maillist)

                {

                    if (m.Trim() != "")

                    {

                        MailAddress bcc = new MailAddress(m.Trim());

                        message.Bcc.Add(bcc);

                    }

                }

            }

            if (ccmail.Length > 1)

            {

                string[] maillist = Common.Helper.StringHelper.GetStrArray(ccmail);

                foreach (string m in maillist)

                {

                    if (m.Trim() != "")

                    {

                        MailAddress cc = new MailAddress(m.Trim());

                        message.CC.Add(cc);

                    }

                }

            }

            message.IsBodyHtml = isBodyHtml;

            message.SubjectEncoding = encoding;

            message.BodyEncoding = encoding;



            message.Subject = subject;

            message.Body = body;



            message.Attachments.Clear();

            if (files != null && files.Length != 0)

            {

                for (int i = 0; i < files.Length; ++i)

                {

                    Attachment attach = new Attachment(files[i]);

                    message.Attachments.Add(attach);

                }

            }



            if (isAuthentication == true)

            {

                smtpClient.Credentials = new NetworkCredential(username, password);

            }

            smtpClient.Send(message);

            message.Attachments.Dispose();



        }



        public static void Send(string recipient, string subject, string body)

        {

            Send(SmtpConfig.Create().SmtpSetting.Sender, recipient, "", subject, body, true, Encoding.Default, true, null);

        }



        public static void Send(string Recipient, string Sender, string Subject, string Body)

        {

            Send(Sender, Recipient, "", Subject, Body, true, Encoding.UTF8, true, null);

        }



    }



    public class SmtpSetting

    {

        private string _server;



        public string Server

        {

            get { return _server; }

            set { _server = value; }

        }

        private bool _authentication;



        public bool Authentication

        {

            get { return _authentication; }

            set { _authentication = value; }

        }

        private string _username;



        public string UserName

        {

            get { return _username; }

            set { _username = value; }

        }

        private string _sender;



        public string Sender

        {

            get { return _sender; }

            set { _sender = value; }

        }

        private string _password;



        public string Password

        {

            get { return _password; }

            set { _password = value; }

        }

    }



    public class SmtpConfig

    {

        private static SmtpConfig _smtpConfig;

        private string ConfigFile

        {

            get

            {

                string configPath = ConfigurationManager.AppSettings["SmtpConfigPath"];

                if (string.IsNullOrEmpty(configPath) || configPath.Trim().Length == 0)

                {

                    configPath = HttpContext.Current.Request.MapPath("/Config/SmtpSetting.config");

                }

                else

                {

                    if (!Path.IsPathRooted(configPath))

                        configPath = HttpContext.Current.Request.MapPath(Path.Combine(configPath, "SmtpSetting.config"));

                    else

                        configPath = Path.Combine(configPath, "SmtpSetting.config");

                }

                return configPath;

            }

        }

        public SmtpSetting SmtpSetting

        {

            get

            {

                XmlDocument doc = new XmlDocument();

                doc.Load(this.ConfigFile);

                SmtpSetting smtpSetting = new SmtpSetting();

                smtpSetting.Server = doc.DocumentElement.SelectSingleNode("Server").InnerText;

                smtpSetting.Authentication = Convert.ToBoolean(doc.DocumentElement.SelectSingleNode("Authentication").InnerText);

                smtpSetting.UserName = doc.DocumentElement.SelectSingleNode("User").InnerText;

                smtpSetting.Password = doc.DocumentElement.SelectSingleNode("Password").InnerText;

                smtpSetting.Sender = doc.DocumentElement.SelectSingleNode("Sender").InnerText;



                return smtpSetting;

            }

        }

        private SmtpConfig()

        {



        }

        public static SmtpConfig Create()

        {

            if (_smtpConfig == null)

            {

                _smtpConfig = new SmtpConfig();

            }

            return _smtpConfig;

        }

    }

}