using System;
using System.Collections.Generic;

namespace smtpproxy.net
{
    public class Email
    {
        public string FromIP { get; set; }
        public string sHELO { get; set; }
        public string sMAIL { get; set; }
        public string sDATA { get; set; }
        public List<string> sRCPTs { get; set; }

        public Email()
        {
            FromIP = string.Empty;
            sHELO = string.Empty;
            sMAIL = string.Empty;
            sDATA = string.Empty;
            sRCPTs = new List<string>();
        }

        public string GetRecipientEmail(string sRCPTTo)
        {
            if (string.IsNullOrEmpty(sRCPTTo))
                return string.Empty;

            string cleaned = sRCPTTo
                .Replace("\r", "")
                .Replace("\n", "")
                .Replace("<", "")
                .Replace(">", "")
                .Trim();

            if (cleaned.StartsWith("rcpt to:", StringComparison.OrdinalIgnoreCase))
            {
                cleaned = cleaned.Substring(8).Trim();
            }
            else if (cleaned.StartsWith("rcpt to", StringComparison.OrdinalIgnoreCase))
            {
                cleaned = cleaned.Substring(7).Trim();
            }

            return cleaned.ToLowerInvariant();
        }
    }
}