async function sendResetEmail(email, resetToken) { const resetLink = `${pro

async function sendResetEmail(email, resetToken) {

const resetLink = `${process.env.FRONTEND_SERVER}/reset-password?token=${resetToken}`;

const subject = 'Password Reset Request';

const body = `

<html>

<body>

<p>Click the following link to reset your password:</p>

<a href="${resetLink}" style="color: #1a73e8; text-decoration: none;">${resetLink}</a>

</body>

</html>

`;

const data = {

fromAddress: '[email protected]',

toAddress: email,

subject,

content: body,

};

return sendZohoEmailRaw(data);

}

async function forwardEmailsViaZoho({ name, userEmail, subject, body, toAddresses }) {

const formattedSubject = `[Contact Form] ${name} <${userEmail}> | Subject - ${subject}`;

const formattedBody = `

<html>

<div style="

padding: 12px 0 12px 16px;

margin: 20px 0 0 0;

text-align: left;

color: #222;

font-size: 20px;

font-weight: bold;

background: #fff;

position: relative;

overflow: hidden;

">

<tr>

<td width="8" style="

background: linear-gradient(to bottom, #f47920, #2986c7);

background-color: #f47920;

border-radius: 4px;

">

</td>

<td style="

padding: 4px 0 4px 12px;

color: #222;

font-size: 20px;

font-weight: bold;

">

${subject}

</td>

</tr>

</table>

</div>

<p><strong>Email:</strong> <a href="mailto:${userEmail}">${userEmail}</a></p>

<tr>

<td width="8" style="

background: linear-gradient(to bottom, #f47920, #2986c7);

background-color: #f47920;

border-radius: 4px;

">

</td>

<td style="

padding: 4px 0 4px 12px;

color: #222;

font-size: 18px;

font-weight: bold;

">

Message:

</td>

</tr>

</table>

${body}

</div>

</body>

</html>

`;

const data = {

fromAddress: '[email protected]',

toAddress: Array.isArray(toAddresses) ? toAddresses.join(',') : toAddresses,

subject: formattedSubject,

content: formattedBody,

};

return sendZohoEmailRaw(data);

}

async function sendZohoEmailRaw(data) {

const url = `https://mail.zoho.eu/api/accounts/${process.env.ZOHO_ACCOUNT_ID}/messages`;

if (!process.env.ZOHO_ACCESS_TOKEN) {

process.env.ZOHO_ACCESS_TOKEN = await getZohoAccessToken();

}

let response = await fetch(url, {

method: 'POST',

headers: {

Authorization: `Zoho-oauthtoken ${process.env.ZOHO_ACCESS_TOKEN}`,

'Content-Type': 'application/json',

},

body: JSON.stringify(data),

});

if (!response.ok) {

const errorData = await response.json();

if (errorData.data && errorData.data.errorCode === 'INVALID_OAUTHTOKEN') {

process.env.ZOHO_ACCESS_TOKEN = await getZohoAccessToken();

response = await fetch(url, {

method: 'POST',

headers: {

Authorization: `Zoho-oauthtoken ${process.env.ZOHO_ACCESS_TOKEN}`,

'Content-Type': 'application/json',

},

body: JSON.stringify(data),

});

}

if (!response.ok) {

throw new Error(`Failed to send email: ${JSON.stringify(errorData)}`);

}

return response.json();

}

async function getZohoAccessToken() {

const clientId = process.env.ZOHO_CLIENT_ID;

const clientSecret = process.env.ZOHO_CLIENT_SECRET;

const refreshToken = process.env.ZOHO_REFRESH_TOKEN;

if (!clientId || !clientSecret || !refreshToken) {

throw new Error('Missing required environment variables for Zoho access token.');

}

const url = `https://accounts.zoho.eu/oauth/v2/token`;

const params = new URLSearchParams();

params.append('refresh_token', refreshToken);

params.append('client_id', clientId);

params.append('client_secret', clientSecret);

params.append('grant_type', 'refresh_token');

try {

const response = await fetch(url, {

method: 'POST',

headers: {

'Content-Type': 'application/x-www-form-urlencoded',

},

body: params.toString(),

});

if (!response.ok) {

const errorData = await response.json();

throw new Error(`Failed to fetch access token: ${errorData.error}`);

}

const responseData = await response.json();

return responseData.access_token;

} catch (error) {

console.error('Error fetching access token:', error);

throw error;

}

async function sendProjectEmail({

to,

subject,

message,

title,

description,

category,

applicationDeadline,

currentParticipants,

maxParticipants,

status,

location,

link,

}) {

const formattedSubject = `${subject}`;

const formattedBody = `

<html>

<head>

</head>

<tr>

<tr>

<td align="center" valign="middle" style="

background: rgba(255,255,255,0.15);

border: none;

border-radius: 50%;

width: 80px;

height: 80px;

text-align: center;

vertical-align: middle;

padding-bottom: 5px;

background-clip: padding-box;

box-shadow: 0 0 0 0 transparent;

">

</td>

</tr>

</table>

Pensa Club

</div>

Социална платформа

</div>

</td>

</tr>

</table>

<div style="

background: #f8fafc;

border-left: 4px solid #667eea;

padding: 14px 18px;

border-radius: 8px;

margin-bottom: 18px;

">

<div style="

color: #222;

font-size: 18px;

font-weight: 600;

margin-bottom: 6px;

">

${subject}

</div>

<div style="

color: #222;

font-size: 16px;

line-height: 1.6;

margin-bottom: 18px;

">

${message}

</div>

<div style="

background: linear-gradient(135deg, #e6fffa 0%, #f0fff4 100%);

border: 1px solid #9ae6b4;

border-radius: 12px;

padding: 14px 18px;

margin-bottom: 18px;

">

<h3 style="

color: #222;

font-size: 16px;

font-weight: 600;

margin: 0 0 8px 0;

">

📋 Информация за проекта

</h3>

<strong>Проект:</strong> ${title || ''}<br>

<strong>Описание:</strong> ${description || ''}<br>

<strong>Категория:</strong> ${category || '—'}<br>

<strong>Краен срок за кандидатстване:</strong> ${applicationDeadline ? new Date(applicationDeadline).toLocaleDateString('bg-BG') : '—'

}<br>

<strong>Участници:</strong> ${currentParticipants || 0} / ${maxParticipants || '—'}<br>

<strong>Статус:</strong> ${status || '—'}<br>

<strong>Локация:</strong> ${location || '—'}

</p>

</div>

<a href="${link}" style="

background: linear-gradient(to right, #FF7A3D, #FF965B);

color: white;

padding: 10px 22px;

border-radius: 8px;

text-decoration: none;

font-weight: 600;

font-size: 16px;

display: inline-block;

box-shadow: 0 4px 12px rgb(247, 154, 79, 0.3);

">

🌐 Виж страницата на проекта

</a>

</div>

<div style="

background: #f7fafc;

padding: 14px 24px;

text-align: center;

border-top: 1px solid #e2e8f0;

border-radius: 0 0 12px 12px;

color: #222;

">

Това съобщение е изпратено чрез платформата <strong>Pensa Club</strong>.

</p>

Ако имате въпроси, свържете се с нас на <a href="mailto:[email protected]" style="color: #222;">info@pensa.club</a>

</p>

Благодарим Ви, че сте част от нашата общност!

</p>

</div>

</body>

</html>

`;

const emailAddresses = Array.isArray(to) ? to : [to];

for (const email of emailAddresses) {

const data = {

fromAddress: '[email protected]',

toAddress: email,

subject: formattedSubject,

content: formattedBody,

};

await sendZohoEmailRaw(data);

}

module.exports = {

sendResetEmail,

forwardEmailsViaZoho,

sendProjectEmail,

};

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