Notes

(async function PaystubAutoDownloader() {

const log = (msg, type) => {
var icons = { info: '[INFO]', success: '[OK]', warn: '[WARN]', error: '[ERR]', start: '[START]' };
console.log((icons[type] || '[>]') + ' [Paystub] ' + msg);
};

const sleep = function(ms) {
return new Promise(function(r) { setTimeout(r, ms); });
};

const waitForEl = function(selector, timeout) {
if (!timeout) timeout = 12000;
return new Promise(function(resolve, reject) {
var start = Date.now();
function check() {
var el = document.querySelector(selector);
if (el) return resolve(el);
if (Date.now() - start > timeout) return reject(new Error('Timeout: ' + selector));
setTimeout(check, 300);
}
check();
});
};

const loadScript = function(src) {
return new Promise(function(resolve, reject) {
if (document.querySelector('script[src="' + src + '"]')) return resolve();
var s = document.createElement('script');
s.src = src;
s.onload = resolve;
s.onerror = function() { reject(new Error('Script load failed: ' + src)); };
document.head.appendChild(s);
});
};

// Step 1: Libraries Load
log('Libraries loading...', 'start');
try {
await loadScript('https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js');
await loadScript('https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js');
log('Libraries ready!', 'success');
} catch(e) {
log('Library load fail. Error: ' + e.message, 'error');
return;
}

// Step 2: Rows Collect
var rows = Array.from(document.querySelectorAll('tr[tabindex="0"]'));
if (!rows.length) {
log('Koi rows malia nahi! Page check karo.', 'error');
return;
}

var paystubs = rows.map(function(row) {
var cells = row.querySelectorAll('td');
return {
employeeId: cells[0] ? cells[0].textContent.trim() : 'Unknown',
checkDate: cells[1] ? cells[1].textContent.trim().replace(///g, '-') : 'Unknown',
paycheckId: cells[2] ? cells[2].textContent.trim() : 'Unknown'
};
});

log('Total ' + paystubs.length + ' paystubs malia:', 'info');
paystubs.forEach(function(p, i) {
log((i+1) + '. EmpID: ' + p.employeeId + ' | Date: ' + p.checkDate + ' | Check#: ' + p.paycheckId);
});

// Step 3: One by One Process
for (var i = 0; i < paystubs.length; i++) {
var employeeId = paystubs[i].employeeId;
var checkDate = paystubs[i].checkDate;
var paycheckId = paystubs[i].paycheckId;

log('Processing ' + (i+1) + '/' + paystubs.length + ' => ' + employeeId + ' | ' + checkDate, 'start');

// Row click
var currentRows = document.querySelectorAll('tr[tabindex="0"]');
if (!currentRows[i]) {
log('Row ' + (i+1) + ' mili nahi, skip...', 'warn');
continue;
}
currentRows[i].click();
await sleep(2800);

// Print button wait
try {
await waitForEl('[name="printLink"]');
log('Paystub page open thai gayo', 'success');
} catch(e) {
log('Paystub page not load: ' + e.message, 'error');
var backBtn = document.querySelector('a[href*="adviceList"]');
if (backBtn) { backBtn.click(); await sleep(2000); }
continue;
}

await sleep(500);

// PDF Generate
try {
var jsPDF = window.jspdf.jsPDF;

var contentEl =
document.querySelector('.advice-detail') ||
document.querySelector('.payadvice') ||
document.querySelector('.container') ||
document.querySelector('main') ||
document.body;

log('PDF generate thai rahi che...', 'info');

var canvas = await html2canvas(contentEl, {
scale: 2,
useCORS: true,
allowTaint: true,
backgroundColor: '#ffffff',
logging: false
});

var pdf = new jsPDF({ orientation: 'portrait', unit: 'mm', format: 'a4' });
var pageW = pdf.internal.pageSize.getWidth();
var pageH = pdf.internal.pageSize.getHeight();
var imgH = (canvas.height / canvas.width) * pageW;
var imgData = canvas.toDataURL('image/jpeg', 0.95);

pdf.addImage(imgData, 'JPEG', 0, 0, pageW, imgH);

var remaining = imgH - pageH;
var yOffset = -pageH;
while (remaining > 0) {
pdf.addPage();
pdf.addImage(imgData, 'JPEG', 0, yOffset, pageW, imgH);
yOffset -= pageH;
remaining -= pageH;
}

var filename = 'Paystub_' + employeeId + '_' + checkDate + '_' + paycheckId + '.pdf';
pdf.save(filename);
log('Saved: ' + filename, 'success');

} catch(pdfErr) {
log('PDF save fail: ' + pdfErr.message, 'error');
}

await sleep(1200);

// View other advices click
var viewOtherBtn = document.querySelector('a[href*="adviceList"]');
if (viewOtherBtn) {
viewOtherBtn.click();
log('Homepage back again...', 'info');
await sleep(2500);
} else {
log('View other advices button not found, history back...', 'warn');
window.history.back();
await sleep(2500);
}
}

log('All' + paystubs.length + ' paystubs downloaded!', 'success');

})();