byom
/
byom-core-subscription


			
				
					
						
						
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							package mailer

import (
	"bytes"
	"fmt"
	"html/template"
	"log"
	"net/url"
	"strings"

	"github.com/wneessen/go-mail"

	"git.linuxforward.com/byom/byom-onboard/internal/platform/config"
)

const welcomeEmailTemplate = `
<!DOCTYPE html>
<html lang="fr">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Bienvenue sur BYOM</title>
	<style>
		body {
			font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
			line-height: 1.6;
			color: #000;
			background-color: #fff;
			margin: 0;
			padding: 40px 20px;
		}
		.container {
			max-width: 600px;
			margin: 0 auto;
			background-color: #fff;
			border: 2px solid #000;
		}
		.header {
			padding: 40px;
			text-align: left;
			border-bottom: 2px solid #000;
		}
		.header h1 {
			margin: 0;
			font-size: 32px;
			font-weight: bold;
			text-transform: uppercase;
			letter-spacing: -1px;
		}
		.content {
			padding: 40px;
		}
		.section {
			margin-bottom: 40px;
			border-bottom: 1px solid #000;
			padding-bottom: 40px;
		}
		.info-grid {
			display: grid;
			grid-template-columns: auto 1fr;
			gap: 10px;
			margin: 20px 0;
		}
		.info-label {
			font-weight: bold;
			text-transform: uppercase;
			font-size: 14px;
		}
		.info-value {
			font-family: monospace;
			background: #f0f0f0;
			padding: 4px 8px;
			border: 1px solid #000;
		}
		.urls {
			margin: 20px 0;
			padding: 20px;
			border: 1px solid #000;
		}
		.footer {
			padding: 40px;
			border-top: 2px solid #000;
			font-size: 14px;
		}
	</style>
</head>
<body>
	<div class="container">
		<div class="header">
			<h1>BYOM</h1>
		</div>
		<div class="content">
			<div class="section">
				<h2>Configuration terminée</h2>
				<p>Votre application est prête à être utilisée.</p>
			</div>
			
			<div class="section">
				<h2>Informations d'accès</h2>
				<div class="info-grid">
					<div class="info-label">Utilisateur</div>
					<div class="info-value">{{.Username}}</div>
					
					<div class="info-label">Mot de passe</div>
					<div class="info-value">{{.Password}}</div>
				</div>
			</div>

			<div class="section">
				<h2>URLs d'accès</h2>
				<div class="urls">
					{{range .Subdomains}}
					<p class="info-value">{{.}}</p>
					{{end}}
					<p><strong>Application principale:</strong></p>
					<p class="info-value">{{.WebAppURL}}</p>
				</div>
			</div>

			{{if .SetupGuide}}
			<div class="section">
				<h2>Guide de démarrage</h2>
				<p>{{.SetupGuide}}</p>
			</div>
			{{end}}
		</div>
		<div class="footer">
			<p>Pour des raisons de sécurité, changez votre mot de passe lors de votre première connexion.</p>
			<p>Support technique: support@byom.fr</p>
		</div>
	</div>
</body>
</html>
`

const verifyEmailTemplate = `
<!DOCTYPE html>
<html lang="fr">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Vérification Email - BYOM</title>
	<style>
		body {
			font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
			line-height: 1.6;
			color: #000;
			background-color: #fff;
			margin: 0;
			padding: 40px 20px;
		}
		.container {
			max-width: 600px;
			margin: 0 auto;
			background-color: #fff;
			border: 2px solid #000;
		}
		.header {
			padding: 40px;
			text-align: left;
			border-bottom: 2px solid #000;
		}
		.header h1 {
			margin: 0;
			font-size: 32px;
			font-weight: bold;
			text-transform: uppercase;
			letter-spacing: -1px;
		}
		.content {
			padding: 40px;
			border-bottom: 2px solid #000;
		}
		.message {
			font-size: 18px;
			margin-bottom: 40px;
		}
		.button {
			display: inline-block;
			padding: 16px 32px;
			background-color: #000;
			color: #fff;
			text-decoration: none;
			text-transform: uppercase;
			font-weight: bold;
			letter-spacing: 1px;
			margin: 20px 0;
		}
		.verification-link {
			margin: 20px 0;
			padding: 20px;
			background-color: #f0f0f0;
			border: 1px solid #000;
			word-break: break-all;
			font-family: monospace;
		}
		.footer {
			padding: 40px;
			font-size: 14px;
			color: #666;
		}
	</style>
</head>
<body>
	<div class="container">
		<div class="header">
			<h1>BYOM</h1>
		</div>
		<div class="content">
			<div class="message">
				<h2>Vérification de votre email</h2>
				<p>Pour finaliser votre inscription, veuillez vérifier votre adresse email.</p>
			</div>
			<a href="{{.VerificationURL}}" class="button">Vérifier mon email</a>
			<div class="verification-link">
				<p>Si le bouton ne fonctionne pas :</p>
				<code>{{.VerificationURL}}</code>
			</div>
		</div>
		<div class="footer">
			<p>Si vous n'avez pas créé de compte sur BYOM, ignorez cet email.</p>
		</div>
	</div>
</body>
</html>
`

const workspaceWelcomeTemplate = `
<!DOCTYPE html>
<html lang="fr">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Bienvenue sur BYOM</title>
	<style>
		body {
			font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
			line-height: 1.6;
			color: #000;
			background-color: #fff;
			margin: 0;
			padding: 40px 20px;
		}
		.container {
			max-width: 600px;
			margin: 0 auto;
			background-color: #fff;
			border: 2px solid #000;
		}
		.header {
			padding: 40px;
			text-align: left;
			border-bottom: 2px solid #000;
		}
		.header h1 {
			margin: 0;
			font-size: 32px;
			font-weight: bold;
			text-transform: uppercase;
			letter-spacing: -1px;
		}
		.content {
			padding: 40px;
		}
		.section {
			margin-bottom: 40px;
			border-bottom: 1px solid #000;
			padding-bottom: 40px;
		}
		.button {
			display: inline-block;
			padding: 16px 32px;
			background-color: #000;
			color: #fff;
			text-decoration: none;
			text-transform: uppercase;
			font-weight: bold;
			letter-spacing: 1px;
			margin: 20px 0;
		}
		.features {
			display: grid;
			grid-template-columns: repeat(2, 1fr);
			gap: 20px;
			margin: 40px 0;
		}
		.feature {
			padding: 20px;
			border: 1px solid #000;
		}
		.footer {
			padding: 40px;
			border-top: 2px solid #000;
			font-size: 14px;
		}
	</style>
</head>
<body>
	<div class="container">
		<div class="header">
			<h1>BYOM</h1>
		</div>
		<div class="content">
			<div class="section">
				<h2>Votre espace est prêt</h2>
				<p>Votre paiement a été confirmé et votre espace BYOM est maintenant disponible.</p>
				<a href="{{.WebAppURL}}" class="button">Accéder à mon espace</a>
			</div>
			<div class="features">
				<div class="feature">
					<h3>Interface</h3>
					<p>Design minimaliste et efficace</p>
				</div>
				<div class="feature">
					<h3>Collaboration</h3>
					<p>Outils de travail en équipe</p>
				</div>
				<div class="feature">
					<h3>Support</h3>
					<p>Assistance technique dédiée</p>
				</div>
				<div class="feature">
					<h3>Sécurité</h3>
					<p>Protection des données</p>
				</div>
			</div>
		</div>
		<div class="footer">
			<p>Support technique: support@byom.fr</p>
		</div>
	</div>
</body>
</html>
`

type Mailer struct {
	client *mail.Client
	from   string
}

type EmailData struct {
	Username   string
	Password   string
	Subdomains []string
	WebAppURL  string
	SetupGuide string
}

type VerifyEmailData struct {
	VerificationURL string
}

func NewMailer(config *config.MailerConfig) *Mailer {

	log.Printf("Test mail successfully delivered.")

	fmt.Println(config)

	client, err := mail.NewClient(config.Host,
		mail.WithSMTPAuth(mail.SMTPAuthPlain), mail.WithTLSPortPolicy(mail.DefaultTLSPolicy),
		mail.WithUsername(config.Username), mail.WithPassword(config.Password),
	)
	if err != nil {
		log.Fatalf("Failed to create mail client: %v", err)
	}

	return &Mailer{
		client: client,
		from:   config.From,
	}
}

func (m *Mailer) SendEmail(to string, data *EmailData) error {
	tmpl := template.Must(template.New("welcomeEmail").Parse(welcomeEmailTemplate))
	var tpl bytes.Buffer

	err := tmpl.Execute(&tpl, data)
	if err != nil {
		return err
	}

	body := tpl.String()

	message := mail.NewMsg()
	message.From(m.from)
	message.To(to)
	message.Subject("Bienvenue sur BYOM!")
	message.SetBodyString(mail.TypeTextHTML, body)
	message.ReplyTo(m.from)

	return m.client.DialAndSend(message)
}

func (m *Mailer) SendVerifyEmail(to, token, plan string) error {
	if strings.HasSuffix(to, "@example.com") {
		return fmt.Errorf("cannot send email to example.com domain: %s", to)
	}

	message := mail.NewMsg()
	message.From(m.from)
	message.To(to)
	message.Subject("Vérification de votre adresse email")

	verificationURL := fmt.Sprintf("https://byom.moooffle.com/verify-email?token=%s&plan=%s&email=%s",
		token,
		plan,
		url.QueryEscape(to),
	)

	htmlBody := fmt.Sprintf(`
		<!DOCTYPE html>
		<html>
		<head>
			<meta charset="UTF-8">
			<title>Vérification de votre email</title>
		</head>
		<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 600px; margin: 0 auto; padding: 20px;">
			<div style="background-color: #ffffff; border-radius: 5px; padding: 20px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);">
				<h1 style="color: #2c3e50; margin-bottom: 20px;">Bienvenue !</h1>
				
				<p style="margin-bottom: 20px;">
					Merci de vous être inscrit. Pour finaliser votre inscription, veuillez vérifier votre adresse email en cliquant sur le bouton ci-dessous.
				</p>

				<div style="text-align: center; margin: 30px 0;">
					<a href="%s" 
					   style="background-color: #3498db; 
							  color: white; 
							  padding: 12px 30px; 
							  text-decoration: none; 
							  border-radius: 5px; 
							  display: inline-block;
							  font-weight: bold;">
						Vérifier mon email
					</a>
				</div>

				<p style="color: #666; font-size: 14px;">
					Si le bouton ne fonctionne pas, vous pouvez copier et coller le lien suivant dans votre navigateur :
					<br>
					<span style="color: #3498db;">%s</span>
				</p>

				<hr style="border: none; border-top: 1px solid #eee; margin: 30px 0;">

				<p style="color: #666; font-size: 12px; text-align: center;">
					Si vous n'avez pas créé de compte, vous pouvez ignorer cet email.
				</p>
			</div>
		</body>
		</html>
	`, verificationURL, verificationURL)

	message.SetBodyString(mail.TypeTextHTML, htmlBody)
	message.ReplyTo(m.from)

	return m.client.DialAndSend(message)
}

func (m *Mailer) SendWelcomeEmail(to string, data *EmailData) error {
	tmpl := template.Must(template.New("workspaceWelcome").Parse(workspaceWelcomeTemplate))
	var tpl bytes.Buffer

	err := tmpl.Execute(&tpl, data)
	if err != nil {
		return err
	}

	message := mail.NewMsg()
	message.From(m.from)
	message.To(to)
	message.Subject("Bienvenue sur votre espace de travail Byom !")
	message.SetBodyString(mail.TypeTextHTML, tpl.String())
	message.ReplyTo(m.from)

	return m.client.DialAndSend(message)
}