/**
 * #116: overlay del check visione (static/js/vision_overlay.js) con plain node.
 *
 * Run from src/frontend/flask_app: node tests/js/test_vision_overlay.js
 */
'use strict';
const fs = require('fs');
const path = require('path');

const VisionOverlay = require(path.join(__dirname, '..', '..', 'static', 'js', 'vision_overlay.js'));
const fixture = JSON.parse(
  fs.readFileSync(path.join(__dirname, 'fixtures', 'vision_check_task14.json'), 'utf8'),
);

let failures = 0;
let total = 0;
function check(label, cond, extra) {
  total++;
  if (cond) console.log('ok - ' + label);
  else { failures++; console.log('FAIL - ' + label + (extra ? ' :: ' + extra : '')); }
}
const near = (a, b) => Math.abs(a - b) < 1e-9;

// Canvas finto: registra le chiamate e le proprieta' al momento dello stroke
function fakeCanvas() {
  const calls = [];
  const g = {
    calls,
    strokes: [],
    dash: [],
    strokeStyle: '',
    lineWidth: 0,
    beginPath() { calls.push(['beginPath']); },
    moveTo(x, y) { calls.push(['moveTo', x, y]); },
    lineTo(x, y) { calls.push(['lineTo', x, y]); },
    arc(...a) { calls.push(['arc', ...a]); },
    closePath() { calls.push(['closePath']); },
    stroke() {
      calls.push(['stroke']);
      g.strokes.push({ style: g.strokeStyle, width: g.lineWidth, dash: g.dash.slice() });
    },
    setLineDash(d) { g.dash = d.slice(); calls.push(['setLineDash', d.slice()]); },
  };
  return g;
}
const onlyCalls = (g, name) => g.calls.filter((c) => c[0] === name);

// --- fixture vero: task 14 TEST1 ---
const overlay = fixture.overlay;
check('fixture: overlay con 25 elementi', overlay.length === 25, String(overlay.length));
{
  const g = fakeCanvas();
  const res = VisionOverlay.draw(g, overlay, 2);
  check('draw sul fixture: drawn 25, skipped 0', res.drawn === 25 && res.skipped === 0, JSON.stringify(res));
  const lastDash = onlyCalls(g, 'setLineDash').pop();
  check('draw: ultimo setLineDash e\' []', lastDash && lastDash[1].length === 0);
  check('draw: uno stroke per elemento', g.strokes.length === 25, String(g.strokes.length));
  const roiIdx = overlay.findIndex((o) => o.role === 'roi');
  const foundIdx = overlay.findIndex((o) => o.role === 'found');
  check('roi: arancione, tratteggiata, spessore lw*0.75',
    g.strokes[roiIdx].style === '#f59e0b' && g.strokes[roiIdx].width === 1.5 &&
    JSON.stringify(g.strokes[roiIdx].dash) === '[6,4]', JSON.stringify(g.strokes[roiIdx]));
  check('found: verde, piena, spessore lw',
    g.strokes[foundIdx].style === '#16a34a' && g.strokes[foundIdx].width === 2 &&
    g.strokes[foundIdx].dash.length === 0, JSON.stringify(g.strokes[foundIdx]));
}

// --- colori: reference e ruolo ignoto ---
{
  const g = fakeCanvas();
  VisionOverlay.draw(g, [
    { type: 'segment', role: 'reference', row1: 0, col1: 0, row2: 1, col2: 1 },
    { type: 'segment', role: 'boh', row1: 0, col1: 0, row2: 1, col2: 1 },
  ], 1);
  check('reference blu', g.strokes[0].style === '#2563eb');
  check('ruolo ignoto rosso', g.strokes[1].style === '#ef4444');
}

// --- rect2 ---
function xs(g) { return onlyCalls(g, 'moveTo').concat(onlyCalls(g, 'lineTo')).map((c) => c[1]); }
function ys(g) { return onlyCalls(g, 'moveTo').concat(onlyCalls(g, 'lineTo')).map((c) => c[2]); }
{
  const g = fakeCanvas();
  const r = VisionOverlay.draw(g, [{ type: 'rect2', role: 'roi', row: 50, col: 100, phi_deg: 0, length1: 10, length2: 4 }], 1);
  const X = xs(g), Y = ys(g);
  check('rect2 phi 0: 4 vertici chiusi', r.drawn === 1 && X.length === 4 && onlyCalls(g, 'closePath').length === 1);
  check('rect2 phi 0: col 90/110', X.every((x) => near(x, 90) || near(x, 110)) && X.filter((x) => near(x, 90)).length === 2, String(X));
  check('rect2 phi 0: row 46/54', Y.every((y) => near(y, 46) || near(y, 54)) && Y.filter((y) => near(y, 46)).length === 2, String(Y));
}
{
  const g = fakeCanvas();
  VisionOverlay.draw(g, [{ type: 'rect2', role: 'roi', row: 50, col: 100, phi_deg: 90, length1: 10, length2: 4 }], 1);
  const X = xs(g), Y = ys(g);
  check('rect2 phi 90: lati scambiati, col 96/104', X.every((x) => near(x, 96) || near(x, 104)), String(X));
  check('rect2 phi 90: lati scambiati, row 40/60', Y.every((y) => near(y, 40) || near(y, 60)), String(Y));
}

// --- arc: argomenti come da contratto ---
{
  const g = fakeCanvas();
  const a = { type: 'arc', role: 'found', row: 30, col: 40, radius: 12, start_deg: 90, extent_deg: 90 };
  VisionOverlay.draw(g, [a], 1);
  const c = onlyCalls(g, 'arc')[0];
  check('arc: g.arc(col, row, r, -rad(start), -rad(start+extent), extent>0)',
    c && near(c[1], 40) && near(c[2], 30) && near(c[3], 12) &&
    near(c[4], -Math.PI / 2) && near(c[5], -Math.PI) && c[6] === true, JSON.stringify(c));
  const g2 = fakeCanvas();
  VisionOverlay.draw(g2, [{ ...a, start_deg: 0, extent_deg: -45 }], 1);
  const c2 = onlyCalls(g2, 'arc')[0];
  check('arc: extent negativo = orario (anticlockwise false)',
    c2 && near(c2[4], 0) && near(c2[5], Math.PI / 4) && c2[6] === false, JSON.stringify(c2));
}

// --- circle, points, contour ---
{
  const g = fakeCanvas();
  VisionOverlay.draw(g, [{ type: 'circle', role: 'found', row: 5, col: 7, radius: 3 }], 1);
  const c = onlyCalls(g, 'arc')[0];
  check('circle: cerchio pieno', c && c[1] === 7 && c[2] === 5 && c[3] === 3 && c[4] === 0 && near(c[5], 2 * Math.PI));
}
{
  const g = fakeCanvas();
  VisionOverlay.draw(g, [{ type: 'points', role: 'found', rows: [10], cols: [20] }], 1);
  const m = onlyCalls(g, 'moveTo').concat(onlyCalls(g, 'lineTo'));
  // lw 1 -> semi-lato max(3, 2) = 3
  check('points: croce di semi-lato 3', m.length === 4 && m.some((c) => c[1] === 17 && c[2] === 10) &&
    m.some((c) => c[1] === 23 && c[2] === 10) && m.some((c) => c[1] === 20 && c[2] === 7) &&
    m.some((c) => c[1] === 20 && c[2] === 13), JSON.stringify(m));
  const g2 = fakeCanvas();
  VisionOverlay.draw(g2, [{ type: 'points', role: 'found', rows: [10], cols: [20] }], 5);
  check('points: semi-lato lw*2 per lw grande', onlyCalls(g2, 'moveTo').some((c) => c[1] === 10 && c[2] === 10));
}
{
  const g = fakeCanvas();
  VisionOverlay.draw(g, [{ type: 'contour', role: 'found', rows: [1, 2, 3], cols: [4, 5, 6] }], 1);
  check('contour: polilinea aperta di 3 punti',
    onlyCalls(g, 'moveTo').length === 1 && onlyCalls(g, 'lineTo').length === 2 && onlyCalls(g, 'closePath').length === 0);
}

// --- elementi malformati: saltati, nessuna eccezione ---
{
  const g = fakeCanvas();
  let thrown = null;
  let res = null;
  try {
    res = VisionOverlay.draw(g, [
      { type: 'circle', role: 'found', row: 1, col: 1 },                          // manca radius
      { type: 'points', role: 'found', rows: [1, 2], cols: [1] },                 // lunghezze diverse
      { type: 'contour', role: 'found', rows: [], cols: [] },                     // vuoto
      { type: 'boh', role: 'found' },                                             // tipo ignoto
      { type: 'segment', role: 'found', row1: NaN, col1: 0, row2: 1, col2: 1 },   // non finito
      null,                                                                       // elemento nullo
      { type: 'segment', role: 'found', row1: 0, col1: 0, row2: 1, col2: 1 },     // valido
    ], 1);
  } catch (e) { thrown = e; }
  check('malformati: nessuna eccezione', thrown === null, String(thrown));
  check('malformati: 6 saltati, 1 disegnato', res && res.drawn === 1 && res.skipped === 6, JSON.stringify(res));
  check('malformati: draw con overlay non array', (() => {
    try { const r = VisionOverlay.draw(fakeCanvas(), null, 1); return r.drawn === 0 && r.skipped === 0; } catch (e) { return false; }
  })());
}

// --- anchor, valori calcolati a mano ---
{
  const A = VisionOverlay.anchor;
  const seg = A({ type: 'segment', row1: 10, col1: 0, row2: 20, col2: 40 });
  check('anchor segment: punto medio', seg && seg.x === 20 && seg.y === 15);
  const lin = A({ type: 'line', row1: 0, col1: 2, row2: 0, col2: 4 });
  check('anchor line: punto medio', lin && lin.x === 3 && lin.y === 0);
  const cir = A({ type: 'circle', row: 50, col: 100, radius: 8 });
  check('anchor circle: centro + raggio a destra', cir && cir.x === 108 && cir.y === 50);
  const arc = A({ type: 'arc', row: 50, col: 100, radius: 10, start_deg: 0, extent_deg: 180 });
  check('anchor arc: punto medio (90 gradi = in alto a video)', arc && near(arc.x, 100) && near(arc.y, 40), JSON.stringify(arc));
  const pts = A({ type: 'points', rows: [7, 8], cols: [3, 4] });
  check('anchor points: primo punto', pts && pts.x === 3 && pts.y === 7);
  const r2 = A({ type: 'rect2', row: 9, col: 11, phi_deg: 30, length1: 5, length2: 2 });
  check('anchor rect2: centro', r2 && r2.x === 11 && r2.y === 9);
  const con = A({ type: 'contour', rows: [0, 1, 2, 3], cols: [10, 11, 12, 13] });
  check('anchor contour: punto a meta\' (indice 2)', con && con.x === 12 && con.y === 2);
  check('anchor: tipo ignoto -> null', A({ type: 'boh' }) === null);
  check('anchor: dati mancanti -> null', A({ type: 'circle', row: 1, col: 1 }) === null && A(null) === null);
}

// --- labels sul fixture, righe costruite come fara' vision_execute.js ---
const subById = {};
fixture._subtasks.forEach((s) => { subById[s.id] = s; });
const rows = fixture.measurements.map((m) => {
  const s = subById[m.subtask_id];
  return {
    key: m.subtask_id, name: s.description, value: m.value, unit: s.unit,
    status: m.pass_fail, vision_output: s.vision_output,
  };
});
{
  const L = VisionOverlay.labels(rows, overlay);
  check('labels fixture: 6 etichette', L.length === 6, String(L.length));
  const names = L.map((l) => l.text.split(' ')[0]).join(',');
  check('labels fixture: larghezza, lunghezza e 4 raggi',
    L[0].text.startsWith('Larghezza') && L[1].text.startsWith('Lunghezza') &&
    L.slice(2).every((l) => l.text.startsWith('R ')), names);
  check('labels fixture: nessuna per le differenze', L.every((l) => !/^Diff/.test(l.text)));
  const l15 = L.find((l) => l.key === 15);
  check('quota 15: testo con Larghezza e 1.668', l15 && l15.text.includes('Larghezza') && l15.text.includes('1.668'), l15 && l15.text);
  check('quota 15: status riportato', l15 && l15.status === fixture.measurements[0].pass_fail);
  const seg = overlay.find((o) => o.tool_id === 'larghezza' && o.role === 'found');
  check('quota 15: ancorata al punto medio del segmento', l15 && near(l15.x, (seg.col1 + seg.col2) / 2) && near(l15.y, (seg.row1 + seg.row2) / 2));
}
{
  const nuda = rows.map((r) => ({ ...r, vision_output: undefined }));
  check('labels: righe senza vision_output -> nessuna etichetta', VisionOverlay.labels(nuda, overlay).length === 0);
  const sola = VisionOverlay.labels([{ key: 1, name: 'X', value: 2, unit: 'mm', status: 'pass' }], overlay);
  check('labels: riga senza vision_output (assente) -> nessuna', sola.length === 0);
  const noTool = VisionOverlay.labels([{ key: 1, name: 'X', value: 2, unit: 'mm', status: 'pass', vision_output: 'nonesiste.value' }], overlay);
  check('labels: tool senza overlay -> nessuna', noTool.length === 0);
  // found preferito: la roi (per prima) ha un'altra ancora, ma vince il found
  const ov = [
    { type: 'rect2', role: 'roi', tool_id: 't', row: 1, col: 1, phi_deg: 0, length1: 1, length2: 1 },
    { type: 'segment', role: 'found', tool_id: 't', row1: 10, col1: 10, row2: 10, col2: 20 },
  ];
  const f = VisionOverlay.labels([{ key: 1, name: 'T', value: 1.5, unit: 'mm', status: 'warning', vision_output: 't.value' }], ov);
  check('labels: preferisce l\'ancora del found', f.length === 1 && f[0].x === 15 && f[0].y === 10 && f[0].status === 'warning', JSON.stringify(f));
  const solo = VisionOverlay.labels([{ key: 1, name: 'T', value: 1.5, unit: 'mm', status: 'fail', vision_output: 't.value' }], [ov[0]]);
  check('labels: senza found ripiega sul primo elemento', solo.length === 1 && solo[0].x === 1 && solo[0].y === 1);
  check('labels: testo name + valore a 3 decimali + unit', f[0].text === 'T 1.500 mm', f[0].text);
}

// --- #118: labels, valore null/undefined/non finito -> etichetta NaN con status della riga ---
{
  const ov = [{ type: 'segment', role: 'found', tool_id: 't', row1: 10, col1: 10, row2: 10, col2: 20 }];
  const mk = (value) => ({ key: 1, name: 'T', value, unit: 'mm', status: 'fail', vision_output: 't.value' });
  const nan = (v) => { const l = VisionOverlay.labels([mk(v)], ov); return l.length === 1 && l[0].text === 'T NaN mm' && l[0].status === 'fail'; };
  check('labels: value null -> etichetta NaN, status fail (Number(null) e 0)', nan(null));
  check('labels: value undefined / stringa vuota -> etichetta NaN', nan(undefined) && nan(''));
  check('labels: value NaN/Infinity -> etichetta NaN', nan(NaN) && nan(Infinity) && nan(-Infinity));
  check('labels: value 0 resta un valore valido', VisionOverlay.labels([mk(0)], ov)[0].text === 'T 0.000 mm');
  const misto = VisionOverlay.labels([{ ...mk(null), key: 1 }, { ...mk(2.5), key: 2 }], ov);
  check('labels: null e valida entrambe presenti', misto.length === 2 && misto[0].text === 'T NaN mm' && misto[1].key === 2);
  check('labels: riga NaN senza ancoraggio -> nessuna etichetta', VisionOverlay.labels([mk(null)], []).length === 0);
}

// --- #121: svg(overlay, opts) ---
const count = (str, re) => (str.match(re) || []).length;
const SHAPE_RE = /<(polygon|line|circle|path|polyline) /g;
{
  const out = VisionOverlay.svg(overlay);
  // il fixture vero ha 25 forme: 7 segment, 1 contour, 1 points, 4 rect2 roi, 4 arc roi, 4 arc found, 4 circle
  check('svg fixture: 25 forme', count(out, SHAPE_RE) === 25, String(count(out, SHAPE_RE)));
  check('svg fixture: ogni forma con vector-effect non-scaling-stroke',
    count(out, /vector-effect="non-scaling-stroke"/g) === 25);
  check('svg fixture: ogni forma fill none', count(out, /fill="none"/g) === 25);
  check('svg fixture: 8 roi (4 rect2 + 4 arc) con stroke-dasharray 6 4', count(out, /stroke-dasharray="6 4"/g) === 8,
    String(count(out, /stroke-dasharray="6 4"/g)));
  check('svg fixture: nessun <svg> esterno', !/<svg/.test(out));
  check('svg fixture: nessun NaN/undefined/null nel markup', !/NaN|undefined|null|Infinity/.test(out));
  check('svg fixture: numeri con al piu\' 2 decimali', !/\d\.\d{3,}/.test(out));
}
{
  const one = (o, opts) => VisionOverlay.svg([o], opts);
  const roi = one({ type: 'rect2', role: 'roi', row: 50, col: 100, phi_deg: 0, length1: 10, length2: 4 });
  check('svg roi: polygon 4 vertici, colore roi, dash 6 4, spessore lw*0.75',
    roi.startsWith('<polygon ') && roi.includes('points="110,46 110,54 90,54 90,46"') && roi.includes('stroke="#f59e0b"') &&
    roi.includes('stroke-dasharray="6 4"') && roi.includes('stroke-width="1.5"'), roi);
  const roi4 = one({ type: 'rect2', role: 'roi', row: 50, col: 100, phi_deg: 0, length1: 10, length2: 4 }, { lw: 4 });
  check('svg roi: lw 4 -> stroke-width 3', roi4.includes('stroke-width="3"'), roi4);
  const fnd = one({ type: 'segment', role: 'found', row1: 1, col1: 2, row2: 3, col2: 4 });
  check('svg found: line verde piena, spessore lw 2 predefinito',
    fnd === '<line x1="2" y1="1" x2="4" y2="3" fill="none" stroke="#16a34a" stroke-width="2" vector-effect="non-scaling-stroke"/>', fnd);
  check('svg reference blu, ruolo ignoto rosso',
    one({ type: 'segment', role: 'reference', row1: 0, col1: 0, row2: 1, col2: 1 }).includes('stroke="#2563eb"') &&
    one({ type: 'segment', role: 'boh', row1: 0, col1: 0, row2: 1, col2: 1 }).includes('stroke="#ef4444"'));
  check('svg: spessore costante, non dipende dallo zoom',
    one({ type: 'segment', role: 'found', row1: 0, col1: 0, row2: 1, col2: 1 }, { zoom: 4 }).includes('stroke-width="2"'));
  const cir = one({ type: 'circle', role: 'found', row: 5, col: 7, radius: 3 });
  check('svg circle: cx cy r', cir.startsWith('<circle cx="7" cy="5" r="3" '), cir);
  const con = one({ type: 'contour', role: 'found', rows: [1, 2, 3], cols: [4, 5, 6] });
  check('svg contour: polyline aperta', con.startsWith('<polyline points="4,1 5,2 6,3" ') && !/ Z/.test(con), con);

  // points: croce di semi-braccio cross/zoom
  const p1 = one({ type: 'points', role: 'found', rows: [10], cols: [20] }, { zoom: 1 });
  check('svg points zoom 1: semi-braccio 6', p1.includes('d="M 14 10 L 26 10 M 20 4 L 20 16"'), p1);
  const p2 = one({ type: 'points', role: 'found', rows: [10], cols: [20] }, { zoom: 2 });
  check('svg points zoom 2: semi-braccio 3', p2.includes('d="M 17 10 L 23 10 M 20 7 L 20 13"'), p2);
  const p3 = one({ type: 'points', role: 'found', rows: [10, 30], cols: [20, 40] }, { zoom: 1, cross: 2 });
  check('svg points: cross personalizzato, 2 croci in un solo path',
    count(p3, /<path /g) === 1 && count(p3, /M /g) === 4 && p3.includes('M 18 10 L 22 10'), p3);

  // arc: estremi calcolati (y verso il basso, angoli antiorari)
  const arcD = (o) => /d="([^"]+)"/.exec(one({ type: 'arc', role: 'found', ...o }))[1];
  const parse = (d) => d.match(/-?\d+(\.\d+)?/g).map(Number); // [x0, y0, rx, ry, rot, large, sweep, x1, y1]
  {
    // start 90, extent 90 su centro (40,30) r 12: da (40,18) a (28,30), antiorario (sweep 0), arco piccolo
    const d = arcD({ row: 30, col: 40, radius: 12, start_deg: 90, extent_deg: 90 });
    const v = parse(d);
    check('svg arc 90+90: M 40 18 A 12 12 0 0 0 28 30',
      near(v[0], 40) && near(v[1], 18) && v[2] === 12 && v[3] === 12 && v[4] === 0 && v[5] === 0 && v[6] === 0 &&
      near(v[7], 28) && near(v[8], 30), d);
  }
  {
    // start 0, extent -90 (orario): da (10,0) a (0,10) a video, sweep 1
    const v = parse(arcD({ row: 0, col: 0, radius: 10, start_deg: 0, extent_deg: -90 }));
    check('svg arc extent negativo: sweep 1, fine in basso a video',
      near(v[0], 10) && near(v[1], 0) && v[5] === 0 && v[6] === 1 && near(v[7], 0) && near(v[8], 10), JSON.stringify(v));
  }
  {
    // 270 gradi antiorari da 0: fine a 270 = in basso a video (0, +10)
    const v = parse(arcD({ row: 0, col: 0, radius: 10, start_deg: 0, extent_deg: 270 }));
    check('svg arc 270: large-arc 1, sweep 0, fine (0,10) a video',
      v[5] === 1 && v[6] === 0 && near(v[7], 0) && near(v[8], 10), JSON.stringify(v));
  }
  {
    const v = parse(arcD({ row: 0, col: 0, radius: 10, start_deg: 0, extent_deg: 360 }));
    check('svg arc 360: estensione limitata a 359.99 (large-arc, fine quasi sullo start)',
      v[5] === 1 && Math.abs(v[8]) < 0.01 && v[7] > 9.99, JSON.stringify(v));
  }
  {
    // coincide con draw: punto finale del g.arc del canvas (angolo -rad(start+extent))
    const a = { type: 'arc', role: 'found', row: 30, col: 40, radius: 12, start_deg: 30, extent_deg: 100 };
    const g = fakeCanvas();
    VisionOverlay.draw(g, [a], 1);
    const c = onlyCalls(g, 'arc')[0];
    const ex = c[1] + c[3] * Math.cos(c[5]), ey = c[2] + c[3] * Math.sin(c[5]);
    const sx = c[1] + c[3] * Math.cos(c[4]), sy = c[2] + c[3] * Math.sin(c[4]);
    const v = parse(arcD(a));
    check('svg arc: estremi uguali a quelli di draw su canvas',
      Math.abs(v[7] - ex) < 0.01 && Math.abs(v[8] - ey) < 0.01 && Math.abs(v[0] - sx) < 0.01 && Math.abs(v[1] - sy) < 0.01,
      JSON.stringify([v, ex, ey]));
  }

  // malformati e ignoti: saltati, nessuna eccezione, la forma valida resta
  let thrown = null, out = '';
  try {
    out = VisionOverlay.svg([
      { type: 'circle', role: 'found', row: 1, col: 1 },
      { type: 'points', role: 'found', rows: [1, 2], cols: [1] },
      { type: 'contour', role: 'found', rows: [], cols: [] },
      { type: 'boh', role: 'found' },
      { type: 'segment', role: 'found', row1: NaN, col1: 0, row2: 1, col2: 1 },
      { type: 'arc', role: 'found', row: 0, col: 0, radius: 1, start_deg: 0 },
      { type: 'rect2', role: 'roi', row: 0, col: 0, phi_deg: 0, length1: Infinity, length2: 1 },
      null,
      { type: 'segment', role: 'found', row1: 0, col1: 0, row2: 1, col2: 1 },
    ], { zoom: 1 });
  } catch (e) { thrown = e; }
  check('svg malformati: nessuna eccezione, una sola forma valida',
    thrown === null && count(out, /<line /g) === 1 && count(out, /vector-effect/g) === 1, String(thrown) + out);
  check('svg: overlay non array o vuoto -> stringa vuota',
    VisionOverlay.svg(null) === '' && VisionOverlay.svg(undefined) === '' && VisionOverlay.svg([]) === '');
  check('svg: opts non validi -> predefiniti',
    VisionOverlay.svg([{ type: 'points', role: 'found', rows: [10], cols: [20] }], { zoom: 0, lw: -1, cross: NaN })
      .includes('d="M 14 10 L 26 10 M 20 4 L 20 16"'));

  // nessuna stringa dei dati nel markup
  const evil = '<script>alert(1)</script>"onload="x';
  const sicuro = VisionOverlay.svg([
    { type: 'segment', role: evil, tool_id: evil, name: evil, row1: 0, col1: 0, row2: 1, col2: 1 },
    { type: 'circle', role: 'found', tool_id: evil, row: 1, col: 1, radius: 2 },
  ]);
  check('svg: tool_id e role dei dati non compaiono nel markup',
    !/script|onload|alert/.test(sicuro) && count(sicuro, /vector-effect/g) === 2, sicuro);
  const strNum = VisionOverlay.svg([{ type: 'segment', role: 'found', row1: '<b>', col1: 0, row2: 1, col2: 1 }]);
  check('svg: coordinata stringa -> forma saltata', strNum === '');
}

// --- #12: livelli e quote CAD ---
{
  const VO = VisionOverlay;
  check('layerOf: layer esplicito vince sul ruolo',
    VO.layerOf({ role: 'found', layer: 'quote' }) === 'quote' && VO.layerOf({ role: 'roi', layer: 'costruzioni' }) === 'costruzioni');
  check('layerOf: senza campo found = costruzioni, altro = ricerca',
    VO.layerOf({ role: 'found' }) === 'costruzioni' && VO.layerOf({ role: 'roi' }) === 'ricerca' &&
    VO.layerOf({ role: 'reference' }) === 'ricerca' && VO.layerOf({}) === 'ricerca' && VO.layerOf(null) === 'ricerca');
  check('layerOf: layer ignoto -> secondo il ruolo', VO.layerOf({ role: 'found', layer: 'boh' }) === 'costruzioni');

  const lin = { tipo: 'lineare', p1: [0, 0], p2: [100, 0], testo: null };
  const rag = { tipo: 'raggio', centro: [50, 50], r: 10, dir_deg: 90, testo: null };
  const ang = { tipo: 'angolo', centro: [50, 50], r: 20, start_deg: 0, extent_deg: 90, testo: null };
  // default
  let p = VO.quotaPunto(lin);
  check('quotaPunto lineare default = punto medio', near(p.x, 50) && near(p.y, 0), JSON.stringify(p));
  p = VO.quotaPunto(rag);
  check('quotaPunto raggio default = centro + 2r lungo dir (90 gradi = verso l\'alto a video)', near(p.x, 50) && near(p.y, 30), JSON.stringify(p));
  p = VO.quotaPunto(ang);
  { // u a 45 gradi = (cos45, -sin45); T = centro + 1.5r u
    const e = 30 * Math.SQRT1_2;
    check('quotaPunto angolo default = centro + 1.5r a meta arco', near(p.x, 50 + e) && near(p.y, 50 - e), JSON.stringify(p));
  }
  // con testo: lineare p1->p2 lungo +x, n = (0, 1): dv positivo = verso il basso a video
  p = VO.quotaPunto({ tipo: 'lineare', p1: [0, 0], p2: [100, 0], testo: [10, 20] });
  check('quotaPunto lineare con testo [du,dv]', near(p.x, 60) && near(p.y, 20), JSON.stringify(p));
  // inverse
  [lin, rag, ang].forEach((q) => {
    [[3, -7], [-12.5, 40], [0, 0]].forEach((t) => {
      const q2 = Object.assign({}, q, { testo: t });
      const pt = VO.quotaPunto(q2);
      const back = VO.quotaTesto(q2, pt.x, pt.y);
      check('quotaTesto inverso di quotaPunto (' + q.tipo + ' ' + t + ')', near(back[0], t[0]) && near(back[1], t[1]), JSON.stringify(back));
    });
    // dal punto di default si torna a testo di default
    const d = VO.quotaPunto(q), back = VO.quotaTesto(q, d.x, d.y), p2 = VO.quotaPunto(Object.assign({}, q, { testo: back }));
    check('quotaTesto dal punto di default riproduce il default (' + q.tipo + ')', near(p2.x, d.x) && near(p2.y, d.y));
  });
  check('quota malformata: quotaPunto/quotaTesto null, quotaSvg stringa vuota',
    VO.quotaPunto(null) === null && VO.quotaPunto({ tipo: 'boh' }) === null &&
    VO.quotaPunto({ tipo: 'lineare', p1: [0, 'a'], p2: [1, 1] }) === null &&
    VO.quotaTesto({ tipo: 'raggio' }, 1, 1) === null &&
    VO.quotaSvg({ tipo: 'angolo', centro: [0, 0] }) === '' && VO.quotaSvg(undefined) === '');
  check('quotaPunto: testo malformato = default', near(VO.quotaPunto({ tipo: 'lineare', p1: [0, 0], p2: [10, 0], testo: ['x', 1] }).x, 5));

  // quotaSvg lineare: linee di estensione solo con dv != 0
  const conDv = VO.quotaSvg({ tipo: 'lineare', p1: [0, 0], p2: [200, 0], testo: [0, 30] }, { zoom: 1, color: '#16a34a' });
  const senzaDv = VO.quotaSvg({ tipo: 'lineare', p1: [0, 0], p2: [200, 0], testo: [0, 0] }, { zoom: 1, color: '#16a34a' });
  check('quotaSvg lineare dv=30: 2 estensioni + 1 linea di misura, 2 frecce', count(conDv, /<line /g) === 3 && count(conDv, /<polygon /g) === 2, conDv);
  check('quotaSvg lineare dv=0: nessuna estensione (solo linea di misura), 2 frecce', count(senzaDv, /<line /g) === 1 && count(senzaDv, /<polygon /g) === 2, senzaDv);
  check('quotaSvg: tratto non-scaling 1.5 e colore passato', /stroke-width="1.5" vector-effect="non-scaling-stroke"/.test(conDv) && conDv.includes('#16a34a'));
  // frecce dentro/fuori: lineare lunga 200 a zoom 1 -> la punta sta in A (0, 30): primo vertice del poligono
  { // dentro: punta in A, coda verso +u (x crescente) -> il secondo vertice ha x > 0? no: dentro la freccia punta verso fuori, coda verso l'interno (x>0)
    const m = conDv.match(/<polygon points="([^"]+)"/)[1].split(' ').map((s) => s.split(',').map(Number));
    check('freccia dentro: punta in A, coda verso l\'interno della misura', near(m[0][0], 0) && near(m[0][1], 30) && m[1][0] > 0, m.join('|'));
    const corta = VO.quotaSvg({ tipo: 'lineare', p1: [0, 0], p2: [10, 0], testo: [0, 30] }, { zoom: 1 });
    const mc = corta.match(/<polygon points="([^"]+)"/)[1].split(' ').map((s) => s.split(',').map(Number));
    check('freccia fuori (misura corta): punta in A, coda fuori (x < 0)', near(mc[0][0], 0) && mc[1][0] < 0, mc.join('|'));
    const zz = VO.quotaSvg({ tipo: 'lineare', p1: [0, 0], p2: [200, 0], testo: [0, 30] }, { zoom: 4 });
    const mz = zz.match(/<polygon points="([^"]+)"/)[1].split(' ').map((s) => s.split(',').map(Number));
    check('freccia: lunghezza fissa a video (9 px / zoom)', near(mz[1][0], 9 / 4) && count(zz, /<line /g) === 3, mz.join('|'));
  }
  // T oltre B: la linea di misura si allunga
  const oltre = VO.quotaSvg({ tipo: 'lineare', p1: [0, 0], p2: [100, 0], testo: [150, 30] }, { zoom: 1 });
  check('quotaSvg lineare: scritta oltre B allunga la linea di misura fino a lei', oltre.includes('x2="200"'), oltre);
  // raggio
  const rFuori = VO.quotaSvg({ tipo: 'raggio', centro: [50, 50], r: 10, dir_deg: 0, testo: [30, 0] }, { zoom: 1 });
  const rDentro = VO.quotaSvg({ tipo: 'raggio', centro: [50, 50], r: 10, dir_deg: 0, testo: [5, 0] }, { zoom: 1 });
  check('quotaSvg raggio: crocetta + linea + freccia (fuori)', count(rFuori, /<line /g) === 3 && count(rFuori, /<polygon /g) === 1, rFuori);
  { // fuori: P = (60, 50), freccia verso il centro: coda a x > 60
    const m = rFuori.match(/<polygon points="([^"]+)"/)[1].split(' ').map((s) => s.split(',').map(Number));
    check('raggio fuori: punta in P sul cerchio, coda verso fuori', near(m[0][0], 60) && near(m[0][1], 50) && m[1][0] > 60, m.join('|'));
    const d = rDentro.match(/<polygon points="([^"]+)"/)[1].split(' ').map((s) => s.split(',').map(Number));
    check('raggio dentro: punta in P, coda verso il centro (x < 60)', near(d[0][0], 60) && d[1][0] < 60, d.join('|'));
  }
  // angolo
  const a1 = VO.quotaSvg(ang, { zoom: 1 });
  check('quotaSvg angolo: 2 estensioni radiali + arco + 2 frecce', count(a1, /<line /g) === 2 && count(a1, /<path /g) === 1 && count(a1, /<polygon /g) === 2, a1);
  // markup senza stringhe dei dati
  const evil = '<script>alert(1)</script>"onload="x';
  const s1 = VO.quotaSvg({ tipo: 'lineare', p1: [0, 0], p2: [100, 0], testo: [0, 20], nome: evil, extra: evil }, { zoom: 1, color: evil });
  const s2 = VO.quotaSvg({ tipo: 'lineare', p1: [0, 0], p2: [100, 0], testo: [0, evil] }, { zoom: 1 });
  check('quotaSvg: nessuna stringa dei dati nel markup, colore non in lista -> rosso',
    !/script|onload|alert/.test(s1) && s1.includes('#ef4444') && !/script|onload|alert/.test(s2), s1);
  check('quotaSvg: colori ammessi (esiti)', ['#16a34a', '#d97706', '#dc2626'].every((c) => VO.quotaSvg(lin, { color: c }).includes(c)));
  check('svg() invariato: uscita di un segmento', VO.svg([{ type: 'segment', role: 'found', row1: 0, col1: 0, row2: 1, col2: 1 }]).startsWith('<line x1="0"'));
}

console.log('\n' + (total - failures) + '/' + total + ' controlli ok');
process.exit(failures ? 1 : 0);