using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net.Mail;
using System.Threading.Tasks;
using EnVisage.Properties;

namespace EnVisage.Code
{
	public class MailManager
	{
		private const string INVITATION_MESSAGE_SUBJECT = "Activate your Prevu account";
		private const string INVITATION_MESSAGE_BODY = "Hello, {{user_name}}. {{new_line}}{{new_line}}Please activate your Prevu account by clicking the following link: {{activation_link}}. {{new_line}}{{new_line}}Thank you!";
        private const string RESTORE_PASSWORD_MESSAGE_SUBJECT = "Restore password";
		private const string RESTORE_PASSWORD_MESSAGE_BODY = "Hello, {{user_name}}. {{new_line}}{{new_line}}You can restore your Prevu account by clicking the following link: {{activation_link}}. {{new_line}}{{new_line}}Thank you!";

		public static void SendInvitationMessage(string email, string userName, string userId)
		{
			string text = INVITATION_MESSAGE_BODY;

			string link;
			if(HttpContext.Current.Request.Url.Port == 80 || HttpContext.Current.Request.Url.Port == 443)
				link = string.Format("{2}://{1}/Account/Activate/?userId={0}", userId, HttpContext.Current.Request.Url.Host, HttpContext.Current.Request.Url.Scheme);
			else
				link = string.Format("{3}://{1}:{2}/Account/Activate/?userId={0}", 
					userId, 
					HttpContext.Current.Request.Url.Host, 
					HttpContext.Current.Request.Url.Port, HttpContext.Current.Request.Url.Scheme);
			
			text = text.Replace("{{user_name}}", userName);
			text = text.Replace("{{activation_link}}", link);
			text = text.Replace("{{new_line}}", Environment.NewLine);

            SendMessage(INVITATION_MESSAGE_SUBJECT, email, text);
		}
        public static void SendRestorePasswordMessage(string email, Guid token, string userName)
        {
            string text = RESTORE_PASSWORD_MESSAGE_BODY;

            string link;
            if (HttpContext.Current.Request.Url.Port == 80 || HttpContext.Current.Request.Url.Port == 443)
                link = string.Format("{2}://{1}/Account/RestorePassword/?token={0}", token, HttpContext.Current.Request.Url.Host, HttpContext.Current.Request.Url.Scheme);
            else
                link = string.Format("{3}://{1}:{2}/Account/RestorePassword/?token={0}", token, HttpContext.Current.Request.Url.Host,
                    HttpContext.Current.Request.Url.Port, HttpContext.Current.Request.Url.Scheme);

            text = text.Replace("{{user_name}}", userName);
            text = text.Replace("{{activation_link}}", link);
            text = text.Replace("{{new_line}}", Environment.NewLine);

            SendMessage(RESTORE_PASSWORD_MESSAGE_SUBJECT, email, text);
        }

		private static void SendMessage(string subject, string emailTo, string text)
		{
		    var recipient = Settings.Default.IsEmailTestMode ? "envisage.tulasoft@gmail.com" : emailTo;
			var message = new MailMessage("support@prevuplan.com", recipient, subject, text);
			var client = new SmtpClient();
			client.Send(message);
		}
	}
}