using eprintServer.Enums;
using eprintServer.DTOs;
using MailKit.Net.Smtp;
using MailKit.Security;
using MimeKit;

namespace eprintServer.Services;

public class EmailService
{
    private readonly string _host = "ssl0.ovh.net";
    private readonly int _port = 587;
    private readonly string _username = "test@camel-soft.com";
    private readonly string _password = "sBXsr{C0=naNZ9(P~M=_";

    public async Task SendReportEmailAsync(byte[] pdfFile, ReportDateEum reportType, string adminEmail)
    {
        var message = new MimeMessage();
        message.From.Add(new MailboxAddress("Print Dashboard", _username));
        message.To.Add(new MailboxAddress("Admin", adminEmail));

        // Determine Subject based on Enum
        message.Subject = reportType switch
        {
            ReportDateEum.DAILY => "Daily print report",
            ReportDateEum.WEEKLY => "Weekly print report",
            ReportDateEum.MONTHLY => "Monthly print report",
            ReportDateEum.YEARLY => "Yearly print report",
            _ => "Print dashboard report"
        };

        var bodyBuilder = new BodyBuilder
        {
            HtmlBody = $@"
                <h2 style='color: #2e6c80;'>{message.Subject}</h2>
                <p>Hello Admin,</p>
                <p>Please find attached the requested statistics report for the Print Dashboard.</p>
                <br>
                <p>Best Regards,<br>Automated Reporting System</p>"
        };

        // Attach the PDF
        string fileName = $"{message.Subject.Replace(" ", "_")}_{DateTime.Now:yyyyMMdd}.pdf";
        bodyBuilder.Attachments.Add(fileName, pdfFile, new ContentType("application", "pdf"));

        message.Body = bodyBuilder.ToMessageBody();

        using var client = new SmtpClient();
        try
        {
            // OVH uses StartTLS on port 587
            await client.ConnectAsync(_host, _port, SecureSocketOptions.StartTls);
            await client.AuthenticateAsync(_username, _password);
            await client.SendAsync(message);
        }
        catch (Exception ex)
        {
            // Log the error but don't crash the app
            Console.WriteLine($"Email Error: {ex.Message}");
        }
        finally
        {
            await client.DisconnectAsync(true);
        }
    }
}