using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Concurrent;
using System.ComponentModel;
using System.Net;
using System.Net.Mail;
using TEAMModelOS.SDK.Models;

namespace TEAMModelOS.SDK.DI.Mail
{
    public class MailFactory
    {
        private readonly ILogger _logger;
        private readonly MailOptions _optionsMonitor;
        private ConcurrentDictionary<string, SmtpClient> smtpClients { get; } = new ConcurrentDictionary<string, SmtpClient>();
        public MailFactory( ILogger<MailFactory> logger, IConfiguration _configuration)
        {
            _optionsMonitor= new MailOptions();
            _optionsMonitor.fromMail=_configuration.GetValue<string>("MailOption:fromMail");
            _optionsMonitor.port=_configuration.GetValue<Int32>("MailOption:port");
            _optionsMonitor.smtp=_configuration.GetValue<string>("MailOption:smtp");
            _optionsMonitor.username=_configuration.GetValue<string>("MailOption:username");
            _optionsMonitor.password=_configuration.GetValue<string>("MailOption:password");
            _logger = logger;
        }

        public SmtpClient GetSmtpClient(string name = "Default")
        {
            try
            {
                var cklient = smtpClients.GetOrAdd(name, x => new SmtpClient(_optionsMonitor.smtp)
                {
                    Credentials= new NetworkCredential(_optionsMonitor.username, _optionsMonitor.password),
                    UseDefaultCredentials=false,
                    EnableSsl=true
                });
                //955 是错误的。
                cklient.Port= _optionsMonitor.port;
                return cklient;
            }
            catch (OptionsValidationException e)
            {
                _logger?.LogWarning(e, e.Message);
                throw;
            }
        }

    }
    public static class NetMailFactoryExtensions
    {
        public static IServiceCollection AddNetMail(this IServiceCollection services )
        {
            if (services == null) throw new ArgumentNullException(nameof(services));
            services.TryAddSingleton<MailFactory>();
            return services;
        }
        public static string SendEmail(this SmtpClient smtpClient, AzureCosmosFactory azureCosmos,DingDing dingDing  , TMDOrder order, string subject, string content, string toMail,string tmdid,string tmdname ,string sender = "醍摩豆客服助手")
        {
            if (smtpClient!=null)
            {
                NetworkCredential networkCredential = (NetworkCredential)smtpClient.Credentials!;
                MailMessage mailMessage = new MailMessage(new MailAddress(networkCredential.UserName, sender), new MailAddress(toMail, $"{tmdname}({tmdid})"));
                mailMessage.Subject = subject;
                mailMessage.Body = content;
                mailMessage.IsBodyHtml = true;
                smtpClient.SendCompleted+=async (sender, e) =>
                {
                    int result = -1;
                    string userToken = $"{e.UserState}";
                    if (e.Cancelled)
                    {
                        result=0;
                        //Console.WriteLine("Email sending was canceled.");
                    }
                    else if (e.Error != null)
                    {
                        result=2;
                        //Console.WriteLine("Error while sending email: " + e.Error.ToString());
                    }
                    else
                    {
                        result=3;
                        //Console.WriteLine("Email was sent successfully.");
                    }
                    try
                    {
                        TMDOrder order = await azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Normal).ReadItemAsync<TMDOrder>(userToken, new Microsoft.Azure.Cosmos.PartitionKey("TMDOrder"));
                        order.invoiceNotify=result;
                        await azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Normal).ReplaceItemAsync<TMDOrder>(order, userToken, new Microsoft.Azure.Cosmos.PartitionKey("TMDOrder"));
                    }
                    catch(Exception ex)
                    {
                        await dingDing.SendBotMsg($"邮箱发送异常，订单ID：{userToken}\n{ex.Message}\n{ex.StackTrace}", GroupNames.成都开发測試群組);
                    }
                };
                string token =$"{order.order_no}";
                smtpClient.SendAsync(mailMessage, token);
                return token;
            }
            else {
                return null; 
            }
        }

        public static string SendEmail(this SmtpClient smtpClient, AzureCosmosFactory azureCosmos, DingDing dingDing, string eventId,  string subject, string content, string toMail, string tmdid, string tmdname, string sender = "醍摩豆客服助手")
        {
            if (smtpClient!=null)
            {
                NetworkCredential networkCredential = (NetworkCredential)smtpClient.Credentials!;
                MailMessage mailMessage = new MailMessage(new MailAddress(networkCredential.UserName, sender), new MailAddress(toMail, $"{tmdname}({tmdid})"));
                mailMessage.Subject = subject;
                mailMessage.Body = content;
                mailMessage.IsBodyHtml = true;
                smtpClient.SendCompleted+=async (sender, e) =>
                {
                    int result = -1;
                    string userToken = $"{e.UserState}";
                    if (e.Cancelled)
                    {
                        result=0;
                        //Console.WriteLine("Email sending was canceled.");
                    }
                    else if (e.Error != null)
                    {
                        result=2;
                        //Console.WriteLine("Error while sending email: " + e.Error.ToString());
                    }
                    else
                    {
                        result=3;
                        //Console.WriteLine("Email was sent successfully.");
                    }
                    //try
                    //{
                    //    TMDOrder order = await azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Normal).ReadItemAsync<TMDOrder>(userToken, new PartitionKey("TMDOrder"));
                    //    order.invoiceNotify=result;
                    //    await azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.Normal).ReplaceItemAsync<TMDOrder>(order, userToken, new PartitionKey("TMDOrder"));
                    //}
                    //catch (Exception ex)
                    //{
                    //    await dingDing.SendBotMsg($"邮箱发送异常，订单ID：{userToken}\n{ex.Message}\n{ex.StackTrace}", GroupNames.成都开发測試群組);
                    //}
                };
                string token = eventId;
                smtpClient.SendAsync(mailMessage, token);
                return token;
            }
            else
            {
                return null;
            }
        }
        // 处理 SendCompleted 事件
        private static void SendCompletedCallback(object sender, AsyncCompletedEventArgs e)
        {
            if (e.Cancelled)
            {
                Console.WriteLine("Email sending was canceled.");
            }
            else if (e.Error != null)
            {
                Console.WriteLine("Error while sending email: " + e.Error.ToString());
            }
            else
            {
                Console.WriteLine("Email was sent successfully.");
            }
        }
    }

    public class MailOptions
    {
        public string? Name { get; set; }
        public string? fromMail { get; set; }
        public string? smtp { get; set; }
        public string? username { get; set; }
        public string? password { get; set; }
        public int port { get; set; }
    }
}