using Hutopy.Infrastructure.Emailer.Contracts;
using Hutopy.Modules.Creators.Contracts;
using Hutopy.Modules.Tipping.Contracts;
using Hutopy.Modules.Tipping.Data;

namespace Hutopy.Modules.Tipping.Services;

internal class TipPaymentNotifier(
    TippingDbContext dbContext,
    IEmailSender emailSender,
    ICreatorLookup creatorLookup,
    ILogger<TipPaymentNotifier> logger)
    : ITipPaymentNotifier
{
    public async Task NotifyPaymentSucceedAsync(
        string sessionId,
        Uri receiptUrl,
        string customerEmail,
        CancellationToken ct)
    {
        var tip = await dbContext
            .Tips
            .SingleOrDefaultAsync(
                t => t.StripeSessionId == sessionId,
                ct)
            .ConfigureAwait(false);

        if (tip is not null)
        {
            tip.Status = TipStatus.Paid;
            tip.StripeInvoiceUrl = receiptUrl.ToString(); // Store the receipt URL

            await dbContext
                .SaveChangesAsync(ct)
                .ConfigureAwait(false);

            // Look up creator information
            var creator = await creatorLookup
                .GetCreatorAsync(tip.CreatorId, ct)
                .ConfigureAwait(false);

            if (!string.IsNullOrEmpty(customerEmail))
            {
                await SendTipConfirmationEmailAsync(
                        customerEmail,
                        creator?.Name ?? "le créateur",
                        tip.Amount,
                        tip.Currency,
                        receiptUrl)
                    .ConfigureAwait(false); // Pass the receipt URL
            }
        }
        else
        {
            logger.LogError("Tip with session ID {SessionId} not found", sessionId);
        }
    }

    private async Task SendTipConfirmationEmailAsync(
        string email,
        string creatorUsername,
        decimal amount,
        string currency,
        Uri receiptUrl) // Add receipt URL parameter
    {
        var subject = $"Merci pour votre soutien à {creatorUsername}";
        var message = $"""
                       <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto; padding: 20px; color: #333;">
                         <h1 style="color: #2c3e50; margin-bottom: 20px;">{creatorUsername} vous remercie !</h1>

                         <p style="font-size: 16px; line-height: 1.5; margin-bottom: 15px;">
                           Votre paiement de <strong>{amount} {currency}</strong> a été traité avec succès.
                         </p>

                         <div style="background-color: #f8f9fa; border-radius: 4px; padding: 20px; margin: 30px 0; border-left: 4px solid #3498db;">
                           <p style="font-size: 16px; margin: 0; line-height: 1.5;">
                             Ce reçu confirme votre soutien à <strong>{creatorUsername}</strong>. Merci de contribuer à son travail !
                           </p>
                         </div>

                        <div style="text-align: center; margin: 30px 0;">
                          <a href='{receiptUrl}'
                             style="background-color: #3498db;
                                    color: white;
                                    text-decoration: none;
                                    padding: 12px 24px;
                                    border-radius: 4px;
                                    font-weight: bold;
                                    display: inline-block;
                                    box-shadow: 0 2px 5px rgba(0,0,0,0.1);">
                            Voir le reçu
                          </a>
                        </div>

                         <p style="font-size: 14px; color: #7f8c8d; margin-top: 30px;">
                           Cet email sert de reçu pour votre transaction. Nous vous conseillons de le conserver pour vos archives.
                         </p>

                         <p style="font-size: 14px; color: #7f8c8d; margin-top: 20px; text-align: center; border-top: 1px solid #eee; padding-top: 20px;">
                           Merci d'utiliser Hutopy pour soutenir vos créateurs préférés !
                         </p>
                       </div>
                       """;

        try
        {
            await emailSender
                .SendEmailAsync(email, subject, message)
                .ConfigureAwait(false);

            logger.LogInformation("Tip confirmation email sent to {Email} for tip to {Creator}", email,
                creatorUsername);
        }
        catch (Exception ex)
        {
            logger.LogError(ex, "Failed to send tip confirmation email to {Email}", email);
            // Don't throw the exception as this should not fail the payment processing
        }
    }
}