using API_NetFramework.Controllers;
using API_NetFramework.Models;
using Database;
using System;
using System.Collections.Generic;
using System.Data.SqlTypes;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using System.Web.Http;
using System.Web.Management;
using System.Configuration;
using SecuringWebApiUsingApiKey.Middleware;
using System.Text;
using System.Net.Mail;
using Newtonsoft.Json;

namespace OnDocAPI_NetFramework.Controllers
{
    public class MailController : ApiController
    {
        string tokenfunction = "Mail";

        //[HttpGet]
        //[Route("API/SendPSMail")]
        private IHttpActionResult SendPSMail(string MailID, string empfaenger, string betreff, string message, string dokumentid, string ondoclink, string absender, string bewilligungid)
        {
            string connectionstring = StringCipher.Decrypt(ConfigurationManager.ConnectionStrings["EDOKAConnectionstring"].ConnectionString, "i%!k!7pab%bNLdA5hE4pkR4XaB%E^jB3d9tHuQ4pbF&BZjF7SB#WBWit5#HrbJiLrLVm");
            string URI = "";

            APILogging.Log((HttpRequestMessage)Request, "Mailversand: " + empfaenger+""+betreff, LogLevelType.Debug);
            if (SecuringWebApiUsingApiKey.Middleware.ApiKeyMiddleware.Authorized((HttpRequestMessage)Request, tokenfunction) == false)
            {
                return Content(HttpStatusCode.Unauthorized, "Invalid Token or API-Key");
            }

            if (Regex.IsMatch(empfaenger, @"^\d+$") == false &&!empfaenger.ToUpper().Contains("@TKB.CH"))
            {
                return Content(HttpStatusCode.Forbidden, empfaenger + ": Email nicht bei der TKB - Mail nicht versandt");
            }
            string s = "";
            DB db = new DB(connectionstring);
            try
            {
                db.clear_parameter();
                db.add_parameter("@mailid", MailID.ToString());
                db.add_parameter("@empf",empfaenger);
                db.add_parameter("@dokid",dokumentid);
                db.add_parameter("@absender", absender);
                db.add_parameter("@bewilligungid", bewilligungid);
                db.Get_Tabledata("sp_ondoc_maildaten", true, false);
                if (message == null) { message = ""; }
                if (betreff == null) { betreff = ""; }
                if (betreff == "") { betreff = db.dsdaten.Tables[0].Rows[0][1].ToString(); }
                if (message == "") { message = db.dsdaten.Tables[0].Rows[0][2].ToString(); }
                if (Convert.ToInt32(db.dsdaten.Tables[0].Rows[0][3]) == 0)
                {
                    db = null;
                    return Content(HttpStatusCode.OK, empfaenger + ": Mail gem. MA-Einstellung nicht zugestellt"); 
                }
                empfaenger = db.dsdaten.Tables[0].Rows[0][0].ToString();

                //if (Regex.IsMatch(empfaenger, @"^\d+$") == true)
                //{

                //    db.Get_Tabledata("select email from mitarbeiter where mitarbeiternr=" + empfaenger, false, true);
                //    if (db.dsdaten.Tables[0].Rows.Count > 0)
                //    {
                //        empfaenger = db.dsdaten.Tables[0].Rows[0][0].ToString();
                //    }
                //    else
                //    {
                //        return Content(HttpStatusCode.InternalServerError, "Empfäger  " + empfaenger + " konnte nicht ermittelt werden");
                //    }
                //}

                //if (message == null) { message = ""; }
                //if (betreff == null) { betreff = ""; }
                //URI = System.Configuration.ConfigurationManager.AppSettings["URI"];
                //db.Get_Tabledata("Select * from ondoc_mail where id=" + MailID, false, true);
                //if (betreff == "") { betreff = db.dsdaten.Tables[0].Rows[0][1].ToString(); }
                //if (message == "") {message= db.dsdaten.Tables[0].Rows[0][2].ToString(); }
                //betreff = betreff.Replace("&&dokumentid&&", dokumentid);
                //message = message.Replace("&&dokumentid&&", dokumentid);
                //message = message.Replace("&&OnDocLink&&", URI);
                db = null;

                s = System.Configuration.ConfigurationManager.AppSettings["MailParam"];


                s = s.Replace("$$empfaenger$$", empfaenger);
                s = s.Replace("$$betreff$$", betreff);
                s = s.Replace("$$body$$", message);


                string debugdir = System.Configuration.ConfigurationManager.AppSettings["DebugDir"];
                string tmpfile = debugdir + @"\Mail_" + DateTime.Now.ToString("yyyyMMdd_hhmmss") + ".ps1";
                System.IO.File.WriteAllText(tmpfile, s,new UTF8Encoding(true));
                //StreamWriter writer = new StreamWriter(tmpfile);
                //writer.Write(s);
                //writer.Close();
                //writer.Dispose();
                System.Diagnostics.Process.Start("powershell.exe", tmpfile);
                APILogging.Log((HttpRequestMessage)Request, "Mail Versand: " + s, LogLevelType.Debug);
                //return Content(HttpStatusCode.OK, "Mail versand noch nicht implementiert");
                return Content(HttpStatusCode.OK, empfaenger + ": Mail versandt");
            }
            catch (Exception e)
             {
                APILogging.Log((HttpRequestMessage)Request, "Mail Versand NOK: " + e.Message+" " + s, LogLevelType.Debug);
                return Content(HttpStatusCode.InternalServerError, e.Message);
            }
        }
        [HttpGet]
        [Route("API/SendMail")]
        public IHttpActionResult SendMail(string MailID, string empfaenger, string betreff, string message, string dokumentid, string ondoclink, string absender, string bewilligungid)
        {
            string connectionstring = StringCipher.Decrypt(ConfigurationManager.ConnectionStrings["EDOKAConnectionstring"].ConnectionString, "i%!k!7pab%bNLdA5hE4pkR4XaB%E^jB3d9tHuQ4pbF&BZjF7SB#WBWit5#HrbJiLrLVm");
            string URI = "";

            APILogging.Log((HttpRequestMessage)Request, "Mailversand: " + empfaenger + "" + betreff, LogLevelType.Debug);
            if (SecuringWebApiUsingApiKey.Middleware.ApiKeyMiddleware.Authorized((HttpRequestMessage)Request, tokenfunction) == false)
            {
                return Content(HttpStatusCode.Unauthorized, "Invalid Token or API-Key");
            }

            if (Regex.IsMatch(empfaenger, @"^\d+$") == false && !empfaenger.ToUpper().Contains("@TKB.CH"))
            {
                return Content(HttpStatusCode.Forbidden, empfaenger + ": Email nicht bei der TKB - Mail nicht versandt");
            }
            string s = "";
            DB db = new DB(connectionstring);
            try
            {
                db.clear_parameter();
                db.add_parameter("@mailid", MailID.ToString());
                db.add_parameter("@empf", empfaenger);
                db.add_parameter("@dokid", dokumentid);
                db.add_parameter("@absender", absender);
                db.add_parameter("@bewilligungid", bewilligungid);
                db.Get_Tabledata("sp_ondoc_maildaten", true, false);
                if (message == null) { message = ""; }
                if (betreff == null) { betreff = ""; }
                if (betreff == "") { betreff = db.dsdaten.Tables[0].Rows[0][1].ToString(); }
                if (message == "") { message = db.dsdaten.Tables[0].Rows[0][2].ToString(); }
                if (Convert.ToInt32(db.dsdaten.Tables[0].Rows[0][3]) == 0)
                {
                    db = null;
                    return Content(HttpStatusCode.OK, empfaenger + ": Mail gem. MA-Einstelung nicht zugestellt");
                }
                empfaenger = db.dsdaten.Tables[0].Rows[0][0].ToString();
                db = null;
               
                MailMessage mail = new MailMessage();
                SmtpClient SmtpServer = new SmtpClient();
                mail.To.Add(empfaenger);
                mail.From = new MailAddress("OnDoc@tkb.ch");
                mail.Subject = betreff;
                mail.IsBodyHtml = true;
                mail.Body = message;
                SmtpServer.Host = "smtp.tgcorp.ch";
                SmtpServer.Port = 25;
                SmtpServer.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
                try
                {
                    SmtpServer.Send(mail);
                    APILogging.Log((HttpRequestMessage)Request, "SMTPMail Versand: " + empfaenger, LogLevelType.Debug);
                    return Content(HttpStatusCode.OK, empfaenger + ": Mail versandt");
                }
                catch (Exception ex)
                {
                    APILogging.Log((HttpRequestMessage)Request, "Mail Versand NOK: " + ex.Message + " " + empfaenger, LogLevelType.Debug);
                    if (ex.InnerException != null)
                    {
                        APILogging.Log((HttpRequestMessage)Request, "Mail Versand NOK - Exception Inner: " + ex.InnerException, LogLevelType.Debug);
                    }
                    return Content(HttpStatusCode.InternalServerError, ex.Message);

                }
            }
            catch (Exception e)
            {
                APILogging.Log((HttpRequestMessage)Request, "Mail Versand NOK: " + e.Message + " " + s, LogLevelType.Debug);
                return Content(HttpStatusCode.InternalServerError, e.Message);
            }
        }
        [HttpPost]
        [Route("API/SendHTMLMail")]
        public IHttpActionResult SendMailManual()
        {
            string result = Request.Content.ReadAsStringAsync().Result;
            Model.EMail email = new Model.EMail();
            email = JsonConvert.DeserializeObject<Model.EMail>(result);
            if (Regex.IsMatch(email.empfaenger, @"^\d+$") == false && !email.empfaenger.ToUpper().Contains("@TKB.CH"))
            {
                return Content(HttpStatusCode.Forbidden, email.empfaenger + ": Email nicht bei der TKB - Mail nicht versandt");
            }
            APILogging.Log((HttpRequestMessage)Request, "Mailversand: " + email.empfaenger + "" + email.betreff, LogLevelType.Debug);
            if (SecuringWebApiUsingApiKey.Middleware.ApiKeyMiddleware.Authorized((HttpRequestMessage)Request, tokenfunction) == false)
            {
                return Content(HttpStatusCode.Unauthorized, "Invalid Token or API-Key");
            }
            email = JsonConvert.DeserializeObject<Model.EMail>(result);
            if (Regex.IsMatch(email.empfaenger, @"^\d+$") == false && !email.empfaenger.ToUpper().Contains("@TKB.CH"))
            {
                return Content(HttpStatusCode.Forbidden, email.empfaenger + ": Email nicht bei der TKB - Mail nicht versandt");
            }
            string s = "";
          
            try
            {
                MailMessage mail = new MailMessage();
                SmtpClient SmtpServer = new SmtpClient();
                mail.To.Add(email.empfaenger);
                mail.From = new MailAddress("OnDoc@tkb.ch");
                mail.Subject = email.betreff;
                mail.IsBodyHtml = true;
                mail.Body = email.message;
                SmtpServer.Host = "smtp.tgcorp.ch";
                SmtpServer.Port = 25;
                SmtpServer.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
                try
                {
                    SmtpServer.Send(mail);
                    APILogging.Log((HttpRequestMessage)Request, "SMTPMail Versand: " + email.empfaenger, LogLevelType.Debug);
                    return Content(HttpStatusCode.OK, email.empfaenger + ": Mail versandt");
                }
                catch (Exception ex)
                {
                    APILogging.Log((HttpRequestMessage)Request, "Mail Versand NOK: " + ex.Message + " " + email.empfaenger, LogLevelType.Debug);
                    if (ex.InnerException != null)
                    {
                        APILogging.Log((HttpRequestMessage)Request, "Mail Versand NOK - Exception Inner: " + ex.InnerException, LogLevelType.Debug);
                    }
                    return Content(HttpStatusCode.InternalServerError, ex.Message);

                }
            }
            catch (Exception e)
            {
                APILogging.Log((HttpRequestMessage)Request, "Mail Versand NOK: " + e.Message + " " + s, LogLevelType.Debug);
                return Content(HttpStatusCode.InternalServerError, e.Message);
            }
        }
    }
}