using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using FluentEmail.Core;
using System.Net;
using System.Net.Mail;
using FluentEmail.Smtp;
using FluentEmail.Core.Models;
using System.IO;
using log4net;

namespace Ropin.Inspection.Common.Helper
{
    public class EmailHelper
    {
        private static readonly ILog log = LogManager.GetLogger(typeof(EmailHelper));
        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <returns></returns>
        public static bool SendEmail(string toSomeOne, string subject, string title, string conent)
        {
            bool result=false;
            result=SendEmailFun(toSomeOne, subject, title, conent,"yan-daniu@qq.com", "xdzwhrasuhrmbhad");
            if(!result)
            {
                result = SendEmailFun(toSomeOne, subject, title, conent, "154817501@qq.com", "aocrnaezwfygbhbf");
            }
            return result;
        }
        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <returns></returns>
        private static bool SendEmailFun(string toSomeOne,string subject,string title, string conent,string emails,string paw)
        {
            //MailAddress mailfrom = new MailAddress(from, senderDisplayName, encoding);//发件人邮箱地址，名称，编码UTF8
            //MailAddress mailto = new MailAddress(tomail, recipientsDisplayName, encoding);//收件人邮箱地址，名称，编码UTF8  
            //MailMessage message = new MailMessage(mailfrom, mailto);//创建mailMessage对象
            log.Info($"发送邮件-BEGIN 【emails={emails}】【toSomeOne={toSomeOne}；subject={subject}；title={title}；conent={conent}】");
            try
            {
                SmtpClient smtp = new SmtpClient
                {
                    //smtp服务器地址
                    EnableSsl = true,//启用ssl
                    Host = "smtp.qq.com",//
                    Port = 587,//25,465
                    UseDefaultCredentials = false,//是否使用默认凭据
                    DeliveryMethod = SmtpDeliveryMethod.Network,
                    //这里输入你在发送smtp服务器的用户名和密码
                    //Credentials = new NetworkCredential("154817501@qq.com", "aocrnaezwfygbhbf")
                    //Credentials = new NetworkCredential("yan-daniu@qq.com", "xdzwhrasuhrmbhad")
                    Credentials = new NetworkCredential(emails, paw)
                };
                //设置默认发送信息
                Email.DefaultSender = new SmtpSender(smtp);
                var email = Email
                //发送人
                .From(emails, "环保数字")
                //收件人
                .To(toSomeOne)
                //抄送人
                //.CC("154817501@qq.com")
                //邮件标题
                .Subject(subject)
                //邮件内容
                // .Body("邮件内容");
                .Body("<h1 align=\"center\">"+ title + "</h1><p>"+ "</p>" + conent, true);
                //依据发送结果判断是否发送成功
                log.Info($"发送邮件-Send 【emails={emails}】【toSomeOne={toSomeOne}；subject={subject}；title={title}；conent={conent}】");
                var result = email.Send();
                //或使用异步的方式发送
                //await email.SendAsync();
                if (result.Successful)
                {
                    //发送成功逻辑
                    log.Info($"发送邮件-SendEND 【emails={emails}】【toSomeOne={toSomeOne}；subject={subject}；title={title}；conent={conent}】");
                    return true;
                }
                else
                {
                    log.Info($"发送邮件-发送失败 【emails={emails}】【toSomeOne={toSomeOne}；subject={subject}；title={title}；conent={conent} ；ErrorMessages={result.ErrorMessages}】");
                    //发送失败可以通过result.ErrorMessages查看失败原因
                    return false;
                }
            }
            catch (Exception ex)//SmtpException
            {
                log.Info($"发送邮件异常：{ex.Message}【emails={emails}】【toSomeOne={toSomeOne}；subject={subject}；title={title}；conent={conent}】");
                return false;
            }
        }

        public static bool SendEmail(List<string> toSomeOne, string subject, string title, string conent, string attachmentName, string attachmentType, Stream attachmentContent)
        {
            bool result = false;
            result = SendEmailFun(toSomeOne, subject, title, conent, attachmentName, attachmentType, attachmentContent, "yan-daniu@qq.com", "xdzwhrasuhrmbhad");
            if (!result)
            {
                result = SendEmailFun(toSomeOne, subject, title, conent, attachmentName, attachmentType, attachmentContent, "154817501@qq.com", "aocrnaezwfygbhbf");
            }
            if (!result)
            {
                throw new Exception("发送邮件失败");
            }
            return result;
        }
        private static bool SendEmailFun(List<string> toSomeOne, string subject, string title, string conent, string attachmentName, string attachmentType, Stream attachmentContent, string emails, string paw)
        {
            try
            {
                SmtpClient smtp = new SmtpClient
                {
                    //smtp服务器地址
                    EnableSsl = true,//启用ssl
                    Host = "smtp.qq.com",//smtp.qq.com
                    Port = 587,//25,465
                    UseDefaultCredentials = false,//是否使用默认凭据
                    DeliveryMethod = SmtpDeliveryMethod.Network,
                    //这里输入你在发送smtp服务器的用户名和密码
                    //Credentials = new NetworkCredential("154817501@qq.com", "aocrnaezwfygbhbf")
                    //Credentials = new NetworkCredential("yan-daniu@qq.com", "xdzwhrasuhrmbhad")
                    Credentials = new NetworkCredential(emails, paw)
                };
                //设置默认发送信息
                Email.DefaultSender = new SmtpSender(smtp);
                var email = Email
                //发送人
                .From(emails, "环保数字")
                //收件人
                .To(toSomeOne.Select(x => new Address { EmailAddress = x }).ToList())
                //抄送人
                //.CC("154817501@qq.com")
                //邮件标题
                .Subject(subject)
                .Attach(new FluentEmail.Core.Models.Attachment
                {
                    ContentType = attachmentType,
                    Data = attachmentContent,
                    Filename = attachmentName
                })
                //邮件内容
                // .Body("邮件内容");
                .Body("<h1 align=\"center\">" + title + "</h1><p>" + "</p>" + conent, true);
                //依据发送结果判断是否发送成功
                var result = email.Send();
                //或使用异步的方式发送
                //await email.SendAsync();
                if (result.Successful)
                {
                    //发送成功逻辑
                    return true;
                }
                else
                {
                    //发送失败可以通过result.ErrorMessages查看失败原因
                    return false;
                }
            }
            catch (Exception ex)
            {
                //throw new Exception("发送邮件错误");
                return false;
            }
        }
        //public static void SendMainTwo(string[] args)
        //{

        //    MailMessage mailMsg = new MailMessage();//实例化对象
        //    mailMsg.From = new MailAddress("154817501@qq.com", "严某人");//源邮件地址和发件人
        //    mailMsg.To.Add(new MailAddress("154817501@qq.com"));//收件人地址
        //    mailMsg.Subject = "邮件发送测试";//发送邮件的标题
        //    StringBuilder sb = new StringBuilder();
        //    sb.Append("测试测试测试测试");
        //    sb.Append("嘿嘿");
        //    mailMsg.Body = sb.ToString();//发送邮件的内容
        //    //指定smtp服务地址（根据发件人邮箱指定对应SMTP服务器地址）
        //    SmtpClient client = new SmtpClient();//格式：smtp.126.com  smtp.164.com
        //    client.Host = "smtp.qq.com";
        //    //要用587端口
        //    client.Port = 587;//端口
        //    //加密
        //    client.EnableSsl = true;
        //    //通过用户名和密码验证发件人身份
        //    client.Credentials = new NetworkCredential("154817501@qq.com", "aocrnaezwfygbhbf"); // 
        //    //发送邮件
        //    try
        //    {
        //        client.Send(mailMsg);
        //    }
        //    catch (SmtpException ex)
        //    {

        //    }
        //    Console.WriteLine("邮件已发送，请注意查收！");
        //    Console.ReadKey();

        //        mailMessage.Attachments.Clear();
        //            //添加邮件附件，可发送多个文件
        //            if (file != null && file.Count() > 0)
        //            {
        //                foreach (var filename in file)
        //                {
        //                    mailMessage.Attachments.Add(new Attachment(filename, MediaTypeNames.Application.Octet));
        //                }
        //}
        //mailMessage.Body = body;
        //try
        //{
        //    smtpClient.Send(mailMessage);
        //}
        //catch (SmtpException ex)
        //{
        //    throw new Exception("邮箱异常！" + ex.Message);
        //}


        //}

        //public static void test()
        //{
        //    System.Web.Mail.MailMessage mail = new System.Web.Mail.MailMessage();
        //    try
        //    {
        //        mail.To = "****@qq.com";
        //        mail.From = "****@163.com";
        //        mail.Subject = "啊啊啊";
        //        mail.BodyFormat = System.Web.Mail.MailFormat.Html;
        //        mail.Body = "哈哈哈哈哈";

        //        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1"); //身份验证
        //        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", mail.From); //邮箱登录账号，这里跟前面的发送账号一样就行
        //        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", "授权码"); //这个密码要注意：如果是一般账号，要用授权码；企业账号用登录密码
        //        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserverport", 465);//端口
        //        mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpusessl", "true");//SSL加密
        //        System.Web.Mail.SmtpMail.SmtpServer = "smtp.163.com";    //企业账号用smtp.exmail.qq.com
        //        System.Web.Mail.SmtpMail.Send(mail);

        //        //邮件发送成功
        //        Console.Write("成功");
        //        Console.ReadKey();
        //    }
        //    catch (Exception ex)
        //    {
        //        //失败，错误信息：ex.Message;
        //        Console.WriteLine(ex.Message);
        //        Console.ReadKey();
        //    }
        //}

    }
}