package email
import (
"fmt"
"github.com/wneessen/go-mail"
"landing/internal/config"
)
type Sender struct {
cfg *config.Config
}
func New(cfg *config.Config) *Sender {
return &Sender{cfg: cfg}
}
func (s *Sender) SendConfirmationEmail(
email string,
unsubscribeLink string,
) error {
client, err := mail.NewClient(
s.cfg.SMTPHost,
mail.WithPort(587),
mail.WithSMTPAuth(mail.SMTPAuthPlain),
mail.WithUsername(s.cfg.SMTPUser),
mail.WithPassword(s.cfg.SMTPPass),
)
if err != nil {
return fmt.Errorf("failed to create mail client: %w", err)
}
msg := mail.NewMsg()
if err := msg.From(s.cfg.SMTPUser); err != nil {
return fmt.Errorf("failed to set from: %w", err)
}
if err := msg.To(email); err != nil {
return fmt.Errorf("failed to set to: %w", err)
}
msg.Subject("Thanks for subscribing!")
htmlBody := fmt.Sprintf(`
Welcome!
Thank you for subscribing to our newsletter.
Unsubscribe
`, unsubscribeLink)
msg.SetBodyString(mail.TypeTextHTML, htmlBody)
if err := client.DialAndSend(msg); err != nil {
return fmt.Errorf("failed to send email: %w", err)
}
return nil
}