using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Microsoft.Exchange.WebServices;
using Microsoft.Exchange.WebServices.Autodiscover;
using Microsoft.Exchange.WebServices.Data;
using Microsoft.Exchange.WebServices.Dns;
using System.Data;
using System.Configuration;
using System.Net;
using System.IO;
using System.Security.Principal;

namespace CRMPortal
{
    public class EWS
    {
        private string ewsUrl = ConfigurationManager.AppSettings["ewsUrl"];
        private string ewsUser = ConfigurationManager.AppSettings["ewsUser"];
        private string ewsPass = ConfigurationManager.AppSettings["ewsPass"];
        private string ewsDomain = ConfigurationManager.AppSettings["ewsDomain"];
        private string adminEmail = ConfigurationManager.AppSettings["adminEmail"];
        private string notifyEmail = ConfigurationManager.AppSettings["notifyEmail"];

        public void makeAppointment(SecurityIdentifier user, DataRow record)
        {
            ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2007_SP1);
            service.Url = new Uri(ewsUrl);
            //service.UseDefaultCredentials = true;
            service.Credentials = new WebCredentials(ewsUser, ewsPass, ewsDomain);
            service.ImpersonatedUserId = new ImpersonatedUserId(ConnectingIdType.SID, user.Value);

            Appointment appt = new Appointment(service);
            appt.Subject = record["Name"] + " Followup";
            appt.Body = "Appointment to followup on sales prospect '" + record["Name"] + "'.";
            appt.Start = DateTime.Parse(record["Followup"].ToString());
            appt.End = appt.Start.AddHours(1);
            appt.IsAllDayEvent = true;
            appt.Save(SendInvitationsMode.SendOnlyToAll);
        }

        public void makeCallAppointment(SecurityIdentifier user, string CustomerName, string ContactInfo, DateTime CallDate)
        {
            ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2007_SP1);
            service.Url = new Uri(ewsUrl);
            //service.UseDefaultCredentials = true;
            service.Credentials = new WebCredentials(ewsUser, ewsPass, ewsDomain);
            service.ImpersonatedUserId = new ImpersonatedUserId(ConnectingIdType.SID, user.Value);

            Appointment appt = new Appointment(service);
            appt.Subject = CustomerName + " Followup";
            appt.Body = "Appointment to followup on sales prospect '" + CustomerName + "'.  "+ContactInfo;
            appt.Start = CallDate;
            appt.End = appt.Start.AddHours(1);
            appt.IsAllDayEvent = true;
            appt.Save(SendInvitationsMode.SendOnlyToAll);
        }

        public void notifyOutOfBusiness(string uid, string id)
        {
            DataTable cust = AJAX.GetCusts(id);
            if (cust.Rows.Count < 1) return;
            DataRow c = cust.Rows[0];

            ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2007_SP1);
            service.Url = new Uri(ewsUrl);
            service.Credentials = new WebCredentials(ewsUser, ewsPass, ewsDomain);

            EmailMessage m = new EmailMessage(service);
            m.ToRecipients.Add(new EmailAddress(notifyEmail));
            m.From = new EmailAddress("administrator@actiontireco.com");
            m.Subject = "CRM Portal: Customer Out of Business";
            m.Body = DateTime.Now.ToLongDateString() + @"<br \> The Customer "+c["Name"]+" with ASA ID "+c["ASAID"]+" has been marked as Out of Business by "+uid;
            m.Send();
        }

        public void notifyAdmin(string uid, string id, string type)
        {
            try
            {
                ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2007_SP1);
                service.Url = new Uri(ewsUrl);
                service.Credentials = new WebCredentials(ewsUser, ewsPass, ewsDomain);

                EmailMessage m = new EmailMessage(service);
                m.ToRecipients.Add(new EmailAddress(adminEmail));
                m.From = new EmailAddress(uid.Replace(@"ATC\", "") + "@actiontireco.com");
                m.Subject = "CRM Portal: Reassignment Request";
                m.Body = DateTime.Now.ToLongDateString() + @"<br \>"+
                    "This message was automatically generated by the ATC CRM Portal.<br \\>" +
                    "User: " + uid + " (" + Logic.getNAMEfromUID(uid) + @") has requested to have the " + 
                    type + " with reference #" + id + @" assigned to them.<br \>";
                if (type.Equals("customer"))
                {
                    m.Body += "<a href='https://actionapps:15001/ViewCustomer.aspx?CUST=" + id + "'>Click here to view the customer record</a><br \\><br \\>" +
                        "<a href='https://actionapps:15001/Reassign.aspx?T=C&I=" + id + "'>Click here to reassign the salesperson assigned to this customer</a><br \\>";
                }
                if (type.Equals("prospect"))
                {
                    m.Body += "<a href='https://actionapps:15001/ViewProspect.aspx?P=" + id + "'>Click here to view the new prospect record</a><br \\><br \\>" +
                        "<a href='https://actionapps:15001/Reassign.aspx?T=P&I=" + id + "'>Click here to change the salesperson assigned to this new prospect</a><br \\>";
                }
                m.Send();
            }
            catch (Exception e)
            {
                string log = ConfigurationManager.AppSettings["Log File"];
                StreamWriter sw = new StreamWriter(log);
                sw.WriteLine(uid);
                sw.WriteLine(id);
                sw.WriteLine(e.Message);
                sw.Close();
            }
        }
    }
}