/**
 * V.AI STUDIO - Auto Inject Excel Fix
 * Script này tự động chạy khi trang load
 * KHÔNG CẦN BOOKMARKLET - TỰ ĐỘNG HOẠT ĐỘNG
 */
(function(){
'use strict';

// ===== AUTO INJECT CONFIG =====
var AUTO_FIX_VERSION = 'v2.0';
var SCRIPT_INJECTED = false;

// ===== GLOBAL BLOB REGISTRY =====
window.__VAI_BLOB = window.__VAI_BLOB || { blobs: [], isUnloading: false };
var REG = window.__VAI_BLOB;

// ===== CLEANUP ON UNLOAD =====
function cleanupBlobs() {
REG.isUnloading = true;
REG.blobs.forEach(function(e) {
e.revoked || (URL.revokeObjectURL(e.url), e.revoked = true);
});
REG.blobs = [];
}
window.addEventListener('pagehide', cleanupBlobs);
window.addEventListener('beforeunload', cleanupBlobs);
window.addEventListener('unload', cleanupBlobs);

// ===== PATCH URL.revokeObjectURL - CRITICAL FIX =====
if (!window.__VAI_REVOKE_PATCHED) {
var _orig = URL.revokeObjectURL;
URL.revokeObjectURL = function(url) {
if (REG.isUnloading || !url || typeof url !== 'string' || !url.startsWith('blob:')) {
return _orig.call(this, url);
}
// Register but DON'T revoke - fix for multi-download
var exists = REG.blobs.find(function(e) { return e.url === url; });
exists || REG.blobs.push({ url: url, revoked: false });
console.log('[Auto Inject] Blob preserved for multi-download');
return undefined;
};
window.__VAI_REVOKE_PATCHED = true;
console.log('[Auto Inject v2.0] URL.revokeObjectURL patched');
}

// ===== UTILITIES =====
function fmt(n) { return n && !isNaN(n) ? Number(n).toLocaleString('vi-VN') + 'đ' : '0đ'; }
function stripDiacritics(s) { return s.normalize('NFD').replace(/[\u0300-\u036f]/g, '').replace(/[Đđ]/g, 'D'); }
function genOrderCode(name) {
var d = new Date();
var dd = String(d.getDate()).padStart(2, '0');
var mm = String(d.getMonth() + 1).padStart(2, '0');
var yy = String(d.getFullYear()).slice(-2);
var ini = '';
if (name && name.trim()) {
name.trim().split(/\s+/).forEach(function(w) {
w && /[A-Z]/.test(stripDiacritics(w.charAt(0))) && (ini += stripDiacritics(w.charAt(0)).toUpperCase());
});
}
return 'VAS' + (ini || 'X') + dd + mm + yy;
}

// ===== BUTTON STATE =====
function setBtnState(btn, exporting) {
if (!btn) return;
if (exporting) {
btn.disabled = true;
btn.dataset.vaiExporting = '1';
btn._orig = btn.innerHTML;
btn.innerHTML = '<span style="opacity:0.7">⏳</span>';
} else {
btn.disabled = false;
btn.dataset.vaiExporting = '0';
btn._orig && (btn.innerHTML = btn._orig);
}
}

// ===== DOWNLOAD BLOB =====
function downloadBlob(blob, filename) {
var url = URL.createObjectURL(blob);
REG.blobs.push({ url: url, revoked: false });
var a = document.createElement('a');
a.href = url;
a.download = filename;
a.style.cssText = 'position:absolute;left:-9999px;top:-9999px';
document.body.appendChild(a);
a.click();
setTimeout(function() { try { document.body.removeChild(a); } catch(e) {} }, 100);
}

// ===== GET QUOTE DATA =====
function getQuoteData() {
var data = {
customer: { name: '', phone: '', email: '', addr: '', date: new Date().toLocaleDateString('vi-VN') },
items: [],
grandTotal: 0
};
var cart = window.cart || [];
var products = window.D || [];
cart.forEach(function(item, i) {
var prod = products[item.idx] || (products.find ? products.find(function(p) { return p.id === item.id; }) : null);
var price = item.priceNum || item.price || (prod ? prod.price : 0) || 0;
data.items.push({
stt: i + 1,
image: prod ? prod.img : '',
name: prod ? (prod.name || prod.n || '') : (item.name || ''),
model: prod ? (prod.sku || prod.mod || '') : (item.sku || item.model || ''),
specs: prod ? (prod.info || prod.desc || '') : '',
qty: item.qty || 1,
price: price,
discPrice: price,
total: (item.qty || 1) * price,
note: ''
});
});
// Get customer info
var nameInputs = ['#quoteName', '#quoteCustomerName', '#checkoutName'];
for (var j = 0; j < nameInputs.length; j++) {
var el = document.querySelector(nameInputs[j]);
if (el && el.value && el.value.trim()) { data.customer.name = el.value.trim(); break; }
}
var ph = document.querySelector('#quotePhone, #checkoutPhone'); ph && ph.value && (data.customer.phone = ph.value.trim());
var em = document.querySelector('#quoteEmail'); em && em.value && (data.customer.email = em.value.trim());
var ad = document.querySelector('#quoteAddr, #checkoutAddr'); ad && ad.value && (data.customer.addr = ad.value.trim());
data.grandTotal = data.items.reduce(function(s, i) { return s + (i.total || 0); }, 0);
return data;
}

// ===== EXPORT FUNCTIONS =====
async function exportQuoteExcel(quoteData, code) {
if (typeof ExcelJS === 'undefined') return alert('⚠️ Chưa có ExcelJS'), false;
try {
var wb = new ExcelJS.Workbook(), ws = wb.addWorksheet('Báo giá');
ws.views = [{ showGridLines: false }];
ws.columns = [{width:5},{width:11},{width:28},{width:13},{width:20},{width:6},{width:13},{width:13},{width:15},{width:14}];
ws.mergeCells('A3:J3'); ws.getCell('A3').value = 'BẢNG BÁO GIÁ';
ws.getCell('A3').font = { bold:true, size:18, color:{argb:'FFDB9815'} }; ws.getCell('A3').alignment = { horizontal:'center' };
ws.getCell('A5').value = 'Khách hàng:'; ws.mergeCells('B5:E5'); ws.getCell('B5').value = quoteData.customer.name;
ws.getCell('H5').value = 'Mã đơn:'; ws.mergeCells('I5:J5'); ws.getCell('I5').value = code;
ws.getCell('A6').value = 'SĐT:'; ws.mergeCells('B6:E6'); ws.getCell('B6').value = quoteData.customer.phone;
ws.getCell('H6').value = 'Ngày:'; ws.mergeCells('I6:J6'); ws.getCell('I6').value = quoteData.customer.date;
ws.getCell('A7').value = 'Email:'; ws.mergeCells('B7:E7'); ws.getCell('B7').value = quoteData.customer.email;
ws.getCell('A8').value = 'Địa chỉ:'; ws.mergeCells('B8:J8'); ws.getCell('B8').value = quoteData.customer.addr;
var hr = ws.getRow(10);
['STT','Hình','Tên sản phẩm','Mã SP','Thông tin','SL','Đơn giá','Giá CK','Thành tiền','Ghi chú'].forEach(function(h, i) {
var c = hr.getCell(i+1); c.value = h; c.font = { bold:true, color:{argb:'FFFFFFFF'} }; c.fill = { type:'pattern', pattern:'solid', fgColor:{argb:'FF003F62'} };
});
var cr = 11, firstRow = cr;
quoteData.items.forEach(function(it, i) {
var row = ws.getRow(cr); row.height = 50;
row.getCell(1).value = it.stt || i+1;
row.getCell(3).value = it.name || ''; row.getCell(3).font = { bold:true, size:9 };
row.getCell(4).value = it.model || '';
row.getCell(5).value = it.specs || ''; row.getCell(5).font = { size:8, color:{argb:'FF64748B'} };
row.getCell(6).value = Number(it.qty||1); row.getCell(6).numFmt = '#,##0';
row.getCell(7).value = Number(it.price||0); row.getCell(7).numFmt = '#,##0"đ"';
row.getCell(8).value = Number(it.discPrice||it.price||0); row.getCell(8).numFmt = '#,##0"đ"';
row.getCell(8).font = (it.price||0) > (it.discPrice||0) ? { bold:true, color:{argb:'FFDC3545'} } : {};
row.getCell(9).value = Number(it.total||0); row.getCell(9).numFmt = '#,##0"đ"'; row.getCell(9).font = { bold:true };
row.getCell(10).value = it.note || '';
cr++;
});
ws.getRow(cr).height = 28; ws.mergeCells(cr,1,cr,5); ws.getCell('A'+cr).value = 'TỔNG CỘNG';
ws.getCell('A'+cr).font = { bold:true, size:13, color:{argb:'FFFFFFFF'} }; ws.getCell('A'+cr).fill = { type:'pattern', pattern:'solid', fgColor:{argb:'FF003F62'} };
ws.getCell('E'+cr).value = { formula:'SUM(I'+firstRow+':I'+(cr-1)+')', result:Number(quoteData.grandTotal||0) };
ws.getCell('E'+cr).numFmt = '#,##0"đ"'; ws.getCell('E'+cr).font = { bold:true, size:14, color:{argb:'FFF0B840'} };
wb.calcProperties.fullCalcOnLoad = true;
var buf = await wb.xlsx.writeBuffer();
downloadBlob(new Blob([buf], {type:'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'}), code + '.xlsx');
return true;
} catch (e) {
alert('❌ Lỗi: ' + e.message);
console.error('[Auto Inject] exportQuoteExcel error:', e);
return false;
}
}

async function exportDeliveryExcel(quoteData, code) {
if (typeof ExcelJS === 'undefined') return alert('⚠️ Chưa có ExcelJS'), false;
try {
var wb = new ExcelJS.Workbook(), ws = wb.addWorksheet('Giao hàng');
ws.views = [{ showGridLines: false }]; ws.columns = [{width:5},{width:34},{width:14},{width:8},{width:20}];
ws.mergeCells('A1:E1'); ws.getCell('A1').value = 'PHIẾU GIAO HÀNG'; ws.getCell('A1').font = { bold:true, size:16, color:{argb:'FF003F62'} }; ws.getCell('A1').alignment = { horizontal:'center' };
ws.getCell('A2').value = 'KH: ' + (quoteData.customer.name||''); ws.getCell('D2').value = 'Mã: ' + code;
ws.getCell('A3').value = 'SĐT: ' + (quoteData.customer.phone||''); ws.getCell('D3').value = 'Ngày: ' + (quoteData.customer.date||'');
ws.getCell('A4').value = 'Địa chỉ: ' + (quoteData.customer.addr||'');
var hr = ws.getRow(6); ['STT','Tên sản phẩm','Mã SP','SL','Ghi chú'].forEach(function(h, i) {
var c = hr.getCell(i+1); c.value = h; c.font = { bold:true, color:{argb:'FFFFFFFF'} }; c.fill = { type:'pattern', pattern:'solid', fgColor:{argb:'FF003F62'} };
});
var cr = 7, totalQty = 0;
quoteData.items.forEach(function(it, i) {
var row = ws.getRow(cr); row.height = 20;
row.getCell(1).value = it.stt || i+1; row.getCell(2).value = it.name || ''; row.getCell(3).value = it.model || ''; row.getCell(4).value = it.qty || 1; row.getCell(5).value = it.note || '';
totalQty += Number(it.qty||1); cr++;
});
ws.mergeCells(cr,1,cr,3); ws.getCell('A'+cr).value = 'TỔNG CỘNG SỐ LƯỢNG'; ws.getCell('D'+cr).value = totalQty;
var buf = await wb.xlsx.writeBuffer();
downloadBlob(new Blob([buf], {type:'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'}), 'GH-' + code + '.xlsx');
return true;
} catch (e) {
alert('❌ Lỗi: ' + e.message);
console.error('[Auto Inject] exportDeliveryExcel error:', e);
return false;
}
}

// ===== CLICK HANDLER =====
function handleClick(e) {
var btn = e.target.closest('button, a');
if (!btn) return;
var txt = (btn.textContent || '').toLowerCase();
// Quote Excel
if (txt.includes('excel') && !txt.includes('giao') && !txt.includes('gh-')) {
if (btn.dataset.vaiExporting === '1') return;
e.preventDefault(); e.stopPropagation();
setBtnState(btn, true);
var qd = getQuoteData(); var code = genOrderCode(qd.customer.name);
exportQuoteExcel(qd, code).then(function() {
setBtnState(btn, false);
showToast && showToast('✅ Excel báo giá tải thành công!');
});
return false;
}
// Delivery Excel
if ((txt.includes('gh') || txt.includes('giao hàng')) && txt.includes('excel')) {
if (btn.dataset.vaiExporting === '1') return;
e.preventDefault(); e.stopPropagation();
setBtnState(btn, true);
var order = window.VAI_CURRENT_ORDER || {};
var ed = {
customer: { name: order.customer||'', phone: order.phone||'', addr: order.addr||'', date: order.date||'' },
items: (order.items||[]).map(function(it, i) { return { stt:i+1, name:it.name||'', model:it.model||'', qty:it.qty||1, note:it.note||'', specs:it.specs||'', price:it.price||0, discPrice:it.discPrice||it.price||0, total:it.total||0 }; }),
grandTotal: order.grandTotal||0
};
var ocode = order.code || genOrderCode(order.customer||'');
exportDeliveryExcel(ed, ocode).then(function() {
setBtnState(btn, false);
showToast && showToast('✅ Excel giao hàng tải thành công!');
});
return false;
}
}

// ===== INIT =====
function init() {
if (SCRIPT_INJECTED) return;
document.removeEventListener('click', handleClick, true);
document.addEventListener('click', handleClick, true);
SCRIPT_INJECTED = true;
console.log('[Auto Inject v2.0] Excel fix active - multi-download enabled');
}

// Run immediately
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}
setTimeout(init, 2000);
setTimeout(init, 5000);

window.VAI_AUTO_FIX = { init: init, exportQuoteExcel: exportQuoteExcel, exportDeliveryExcel: exportDeliveryExcel };
})();

console.log('[VAI] Auto Excel Fix v2.0 loaded!');