Function detectIsp

web/scripts/ragnar_modern.js:2192–2251

()

        </div></div>`).join('') || '<div class="py-4 text-center text-gray-500">No networks.</div>';
}

function wifiExportCsv() {
    const d = _wifiState.data; if (!d) return;
    const cols = ['ssid', 'bssid', 'vendor', 'band', 'channel', 'width', 'standard', 'nss', 'max_phy_mbps', 'signal', 'snr', 'security', 'pmf', 'enterprise', 'wps', 'channel_util', 'tx_power_dbm', 'country'];
    const rows = [cols.join(',')].concat(d.aps.map(a => cols.map(c => {
        let v = a[c]; if (v == null) v = ''; v = String(v).replace(/"/g, '""');
        return /[",\n]/.test(v) ? `"${v}"` : v;
    }).join(',')));
    const blob = new Blob([rows.join('\n')], { type: 'text/csv' });
    const url = URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url; a.download = `wifi-survey-${new Date().toISOString().slice(0, 19).replace(/[:T]/g, '-')}.csv`;
    a.click(); URL.revokeObjectURL(url);
}

function _esc(s) { return String(s == null ? '' : s).replace(/[&<>"]/g, c => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;' }[c])); }

function wifiExportReport() {
    const d = _wifiState.data;
    // Coverage stats from the current heatmap metric.
    const samples = (_wifiHm.data && _wifiHm.data.samples) || [];
    const vals = samples.map(_wifiHmValue).filter(v => v != null);
    const mName = (_WIFI_HM_METRICS[_wifiHm.metric] || {}).unit || '';
    let cov = '';
    if (vals.length) {
        const mn = Math.min(...vals), mx = Math.max(...vals), av = vals.reduce((a, b) => a + b, 0) / vals.length;
        cov = `<p><b>${samples.length}</b> survey points · ${_wifiHm.metric.toUpperCase()} min <b>${mn.toFixed(1)}</b> / avg <b>${av.toFixed(1)}</b> / max <b>${mx.toFixed(1)}</b> ${mName}</p>`;
    }
    // Design / build plan summary (walls, columns, planned mesh nodes).
    let plan = '';
    const pWalls = _wifiHm.walls || [], pCols = _wifiHm.columns || [], pAps = _wifiHm.predictAps || [];
    if (pWalls.length || pCols.length || pAps.length) {
        const tally = (arr) => {
            const m = {}; arr.forEach(o => { const k = o.material || 'wall'; m[k] = (m[k] || 0) + 1; });
            return Object.keys(m).map(k => `${m[k]}× ${_esc(k)}`).join(', ');
        };
        plan = '<ul>';
        if (pAps.length) plan += `<li><b>${pAps.length}</b> planned AP node${pAps.length > 1 ? 's' : ''} (predictive mesh)</li>`;
        if (pWalls.length) plan += `<li><b>${pWalls.length}</b> wall${pWalls.length > 1 ? 's' : ''}: ${tally(pWalls)}</li>`;
        if (pCols.length) plan += `<li><b>${pCols.length}</b> column${pCols.length > 1 ? 's' : ''}: ${tally(pCols)}</li>`;
        plan += '</ul>';
    }
    // Heatmap image, if drawn.
    let img = '';
    try {
        const cv = document.getElementById('wifi-heatmap');
        if (cv && (samples.length || _wifiHm.floorplan)) img = `<img src="${cv.toDataURL('image/png')}" style="max-width:100%;border:1px solid #ccc;border-radius:6px">`;
    } catch (e) { /* tainted canvas (cross-origin floorplan) — skip image */ }
    // Band summary.
    let bands = '';
    if (d && d.spectrum) {
        bands = '<ul>' + Object.keys(d.spectrum).sort().map(b => {
            const s = d.spectrum[b];
            return `<li><b>${b} GHz</b>: ${s.ap_count} APs · ${_esc(s.rating)} · best ch ${(s.recommend || []).join(', ')}</li>`;
        }).join('') + '</ul>';
    }
    // Interference.
    let intf = '';