/*
Developer: Tyler Allen
Date Created: 08/24/2016
---------------------------------------------------
*/

using System;
using System.Configuration;
using System.Net.Mail;
using CPE.App.Notify.Extensions;
using CPE.App.Notify.Models.Enums;

namespace CPE.App.Notify.Helpers {
    public class EmailCertificateHelper {
        /// <summary>
        ///     Email the certificate results to the participant
        /// </summary>
        /// <param name="to">Email recipient</param>
        /// <param name="scoId">Primary key of the meeting room</param>
        /// <param name="purchaseDate">The date the meeting access was purchased</param>
        /// <param name="purchaseTicket">The ticket recieved when the meeting room was purchased</param>
        /// <returns></returns>
        public static EmailCertificateResults SendWebcastCert(string to, int scoId, DateTime purchaseDate, string purchaseTicket) {
            var subject = ConfigurationManager.AppSettings["WebcastCertEmailSubject"].Log(message: "Subject");
            var certUrl = EmailRenderHelper.RenderCertificateLink(scoId, purchaseDate, purchaseTicket)
                                           .Log(message: "RenderCertificateLink");
            var body = EmailRenderHelper.RenderWebcastEmail(certUrl)
                                        .Log(message: "Body");
            return sendEmail(to, subject, body)
                .Log();
        }

        /// <summary>
        ///     Send a failure notice to the participant
        /// </summary>
        /// <param name="to">Email recipient</param>
        /// <returns></returns>
        public static EmailCertificateResults SendFailNotice(string to) {
            var subject = ConfigurationManager.AppSettings["WebcastFailEmailSubject"].Log(message: "Subject");
            var body = EmailRenderHelper.RenderFailEmail()
                                        .Log(message: "Body");
            return sendEmail(to, subject, body)
                .Log();
        }

        /// <summary>
        ///     Send email
        /// </summary>
        /// <param name="to">Recipient</param>
        /// <param name="subject">Subject</param>
        /// <param name="body">Body</param>
        /// <returns></returns>
        private static EmailCertificateResults sendEmail(string to, string subject, string body) {
            try {
                var mail = new MailMessage(ConfigurationManager.AppSettings["WebcastEmailSender"], to) {
                    Subject = subject,
                    Body = body,
                    IsBodyHtml = true
                };
                var client = new SmtpClient {
                    Port = 25,
                    DeliveryMethod = SmtpDeliveryMethod.Network,
                    UseDefaultCredentials = false,
                    Host = ConfigurationManager.AppSettings["EmailServer"]
                };
                client.Send(mail);
            } catch (Exception exception) {
                exception.Log(LoggingLevels.Fatal);
                return EmailCertificateResults.Fail;
            }

            return EmailCertificateResults.Success;
        }
    }
}