using Myshipping.Core;
using Furion.DependencyInjection;
using Furion.DynamicApiController;
using Mapster;
using Microsoft.AspNetCore.Mvc;
using SqlSugar;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using Furion.FriendlyException;
using Myshipping.Core.Entity;
using MailKit.Net.Imap;
using MailKit.Net.Pop3;
using MailKit.Security;
using MailKit;
using System;
using MailKit.Net.Smtp;

namespace Myshipping.Core.Service
{
    /// <summary>
    /// 用户邮箱账号服务
    /// </summary>
    [ApiDescriptionSettings(Name = "DjyUserMailAccount", Order = 1)]
    public class DjyUserMailAccountService : IDjyUserMailAccountService, IDynamicApiController, ITransient
    {
        private readonly SqlSugarRepository<DjyUserMailAccount> _rep;
        private readonly ILogger<DjyUserMailAccount> _logger;

        public DjyUserMailAccountService(SqlSugarRepository<DjyUserMailAccount> rep, ILogger<DjyUserMailAccount> logger)
        {
            _rep = rep;
            _logger = logger;
        }

        /// <summary>
        /// 分页查询用户邮箱账号
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpGet("/DjyUserMailAccount/page")]
        public async Task<dynamic> Page([FromQuery] QueryDjyUserMailAccountInput input)
        {
            var entities = await _rep.AsQueryable()
                .Where(m => m.CreatedUserId == UserManager.UserId)
                .WhereIF(!string.IsNullOrWhiteSpace(input.MailAccount), u => u.MailAccount.Contains(input.MailAccount.Trim()))
                .ToPagedListAsync(input.PageNo, input.PageSize);
            return entities.XnPagedResult();
        }

        /// <summary>
        /// 增加用户邮箱账号
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("/DjyUserMailAccount/add")]
        public async Task<long> Add(AddDjyUserMailAccountInput input)
        {
            var cc = _rep.AsQueryable().Filter(null, true).Count(x => x.MailAccount == input.MailAccount);
            if (cc > 0)
            {
                throw Oops.Oh(ErrorCode.EMAIL001);
            }

            var entity = input.Adapt<DjyUserMailAccount>();
            await _rep.InsertAsync(entity);
            return entity.Id;
        }

        /// <summary>
        /// 更新用户邮箱账号
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("/DjyUserMailAccount/edit")]
        public async Task<long> Update(UpdateDjyUserMailAccountInput input)
        {
            var cc = _rep.AsQueryable().Filter(null, true).Count(x => x.MailAccount == input.MailAccount && x.Id != input.Id);
            if (cc > 0)
            {
                throw Oops.Oh(ErrorCode.EMAIL001);
            }

            var entity = input.Adapt<DjyUserMailAccount>();
            await _rep.AsUpdateable(entity).IgnoreColumns(ignoreAllNullColumns: true).ExecuteCommandAsync();
            return entity.Id;
        }

        /// <summary>
        /// 删除用户邮箱账号
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("/DjyUserMailAccount/delete")]
        public async Task Delete(GetDjyUserMailAccountInput input)
        {
            var entity = await _rep.FirstOrDefaultAsync(u => u.Id == input.Id);
            await _rep.DeleteAsync(entity);
        }

        /// <summary>
        /// 获取用户邮箱账号
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpGet("/DjyUserMailAccount/detail")]
        public async Task<DjyUserMailAccount> Get([FromQuery] GetDjyUserMailAccountInput input)
        {
            return await _rep.FirstOrDefaultAsync(u => u.Id == input.Id);
        }

        ///// <summary>
        ///// 获取用户邮箱账号列表
        ///// </summary>
        ///// <param name="input"></param>
        ///// <returns></returns>
        //[HttpGet("/DjyUserMailAccount/list")]
        //public async Task<dynamic> List([FromQuery] QueryDjyUserMailAccountInput input)
        //{
        //    return await _rep.ToListAsync();
        //}


        /// <summary>
        /// 校验邮箱
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        [HttpGet("/DjyUserMailAccount/check")]
        public async Task<dynamic> Check(long id)
        {
            var ma = await _rep.AsQueryable().Filter(null, true).FirstAsync(x => x.Id == id);
            if (ma == null)
            {
                throw Oops.Oh("邮箱账号未找到");
            }

            if (string.IsNullOrEmpty(ma.MailAccount)
                || string.IsNullOrEmpty(ma.Password)
                || string.IsNullOrEmpty(ma.ReceiveServer)
                || string.IsNullOrEmpty(ma.SmtpServer)
                || !ma.ReceivePort.HasValue
                || !ma.SmtpPort.HasValue)
            {
                throw Oops.Oh("请完整填写邮箱的账号、密码、收发件服务器及端口等信息");
            }

            var recOK = false;
            var sendOK = false;

            //接收
            if (ma.UseImap == true)
            {
                try
                {
                    using (var imapClient = new ImapClient())
                    {
                        imapClient.ServerCertificateValidationCallback = (s, c, h, e) => true;
                        _logger.LogInformation($"正在验证IMAP收件服务器：{ma.ReceiveServer}:{ma.ReceivePort},SSL:{ma.ReceiveSSL}");
                        imapClient.Connect(ma.ReceiveServer, ma.ReceivePort.Value, ma.ReceiveSSL == true ? SecureSocketOptions.SslOnConnect : SecureSocketOptions.None);
                        _logger.LogInformation($"正在登录邮件服务器，账号:{ma.MailAccount}");
                        imapClient.Authenticate(ma.MailAccount, ma.Password);

                        var inbox = imapClient.Inbox;
                        inbox.Open(FolderAccess.ReadOnly);
                        _logger.LogInformation($"获取IMAP Folder成功，账号:{ma.MailAccount}");
                        inbox.Close();

                        imapClient.Disconnect(true);
                        recOK = true;
                    }
                }
                catch (Exception ex)
                {
                    _logger.LogInformation($"验证 {ma.MailAccount} IMAP收件服务器失败：{ex.Message}");
                }
            }
            else
            {
                try
                {
                    using (var popClient = new Pop3Client())
                    {
                        popClient.ServerCertificateValidationCallback = (s, c, h, e) => true;
                        _logger.LogInformation($"正在验证POP3收件服务器：{ma.ReceiveServer}:{ma.ReceivePort},SSL:{ma.ReceiveSSL}");
                        popClient.Connect(ma.ReceiveServer, ma.ReceivePort.Value, ma.ReceiveSSL == true ? SecureSocketOptions.SslOnConnect : SecureSocketOptions.None);
                        _logger.LogInformation($"正在登录邮件服务器，账号:{ma.MailAccount}");
                        popClient.Authenticate(ma.MailAccount, ma.Password);

                        var uids = popClient.GetMessageUids();
                        _logger.LogInformation($"获取POP3 UID列表成功，账号:{ma.MailAccount}");

                        popClient.Disconnect(true);
                        recOK = true;
                    }
                }
                catch (Exception ex)
                {
                    _logger.LogInformation($"验证 {ma.MailAccount} POP3收件服务器失败：{ex.Message}");
                }
            }

            //发送
            try
            {
                using (var client = new SmtpClient())
                {
                    _logger.LogInformation($"准备校验发送邮件{ma.MailAccount} {ma.SmtpServer} {ma.SmtpPort} {ma.SmtpSSL}");
                    await client.ConnectAsync(ma.SmtpServer, ma.SmtpPort.Value, ma.SmtpSSL.HasValue && ma.SmtpSSL.Value ? SecureSocketOptions.SslOnConnect : SecureSocketOptions.None);
                    await client.AuthenticateAsync(ma.MailAccount, ma.Password);

                    //var message = new MimeMessage();
                    //message.From.Add(MailboxAddress.Parse(ma.MailAccount));
                    //message.To.Add(MailboxAddress.Parse(ma.MailAccount));
                    //message.Subject = "大简云邮件发送校验";
                    //message.Sender = MailboxAddress.Parse(ma.MailAccount);
                    //var html = new TextPart("html")
                    //{
                    //    Text = "大简云邮件发送校验"
                    //};
                    //message.MessageId = Guid.NewGuid().ToString();
                    //await client.SendAsync(message);
                    await client.DisconnectAsync(true);

                    sendOK = true;
                }
            }
            catch (Exception ex)
            {
                _logger.LogInformation($"验证 {ma.MailAccount} POP3收件服务器失败：{ex.Message}");
            }

            return new { recOK, sendOK };
        }
    }
}