using System.Net;
using System.Net.Mail;
using System.Text;
using api.Interfaces;
using models.Core;
using models.Response;

namespace api.Services;

public class EmailService(IConfiguration config) : IEmailService
{
    public void SendEmail(Ticket ticket, EventDetails @event)
    {
        using var client = new SmtpClient(config.GetSection("Email:Server").Value);

        client.UseDefaultCredentials = false;
        var auth = new NetworkCredential(config.GetSection("Email:UserName").Value,
            config.GetSection("Email:Password").Value);

        client.Credentials = auth;
        var from = new MailAddress(config.GetSection("Email:From").Value);
        var to = new MailAddress(ticket.Patron.Email);

        var emailMessage = new MailMessage(from, to);
        emailMessage.ReplyToList.Add(from);
        emailMessage.Subject = $"Tickets - {@event.Name}";
        emailMessage.SubjectEncoding = Encoding.UTF8;

        emailMessage.IsBodyHtml = true;
        emailMessage.Body = GenerateTicketBody(ticket, @event);
        
        client.Send(emailMessage);
    }

    private string GenerateTicketBody(Ticket ticket, EventDetails @event)
    {
        var sb = new StringBuilder();
        const string cardStyle = "margin: 15px; padding: 5px; backdrop-filter: blur(25px) saturate(112%); -webkit-backdrop-filter: blur(25px) saturate(112%); background-color: rgba(255, 255, 255, 0.11); border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.125); width: fit-content;";
        const string columnStyle = "display: flex; flex-direction: column; justify-content: center;";
        const string rowStyle = "display: flex; flex-direction: row; justify-content: center; align-items: baseline;";
        const string qrCodeStyle = "height: 150px; width: 150px; padding: 10px;";
        const string imagePath = "Assets/pso-logo.png";

        sb.AppendLine($"<div #ticket style=\"{cardStyle} {columnStyle}\">");

        sb.AppendLine($"<div #talentLogo style=\"{cardStyle} {rowStyle}\">");
        sb.AppendLine($"<img src=\"{imagePath}\" width=\"250\" height=\"100\" alt=\"Parma Symphony Orchestra Logo\"/>");
        sb.AppendLine("</div>"); //closes #talentLogo

        sb.AppendLine($"<div #qrCode style=\"{rowStyle}\">");
        sb.AppendLine($"<img style=\"{qrCodeStyle}\" alt=\"QR Code\" src=\"data:image/png;base64,{ticket.QrCode}\"/>");
        sb.AppendLine("</div>"); //closes #qrCode

        sb.AppendLine($"<div #venue style=\"{rowStyle}\">");
        sb.AppendLine($"<div style=\"{cardStyle}\">");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Talent.Name}</span>");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Name}</span>");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Description}</span>");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Date.ToString("F")}</span>");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Venue.Name}</span>");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Venue.Description}</span>");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Venue.AddressOne}</span>");
        sb.AppendLine($"<span style=\"{rowStyle}\">{@event.Venue.City} {@event.Venue.State} {@event.Venue.Zip}</span>");
        sb.AppendLine("</div>"); //closes #venue nested card
        sb.AppendLine("</div>"); //closes #venue

        sb.AppendLine("</div>"); //closes #ticket

        return sb.ToString();
    }
}