Cabinet material sizes, grooves and drill files

export const MATERIALS = [
  M('melamine-18', 'carcass', 18, 0.75), M('melamine-16', 'carcass', 16, 0.625), M('ply-18', 'carcass', 18, 0.75), M('ply-15', 'carcass', 15, 0.5906),
  M('hdf-8', 'back', 8, 0.3125, 'none'), M('hdf-3', 'back', 3, 0.125, 'none'), M('ply-6', 'back', 6, 0.25, 'none'),
  M('mdf-painted-18', 'fronts', 18, 0.75), M('laminate-19', 'fronts', 19, 0.75), M('veneer-ply-18', 'fronts', 18, 0.75), M('melamine-front-18', 'fronts', 18, 0.75),
  M('hardwood-19', 'frame', 19, 0.75), M('hardwood-25', 'frame', 25, 1),
  M('drawer-ply-15', 'drawer', 15, 0.5906), M('drawer-melamine-16', 'drawer', 16, 0.625),
  M('drawer-bottom-hdf-6', 'drawer-bottom', 6, 0.25, 'none'), M('drawer-bottom-ply-9', 'drawer-bottom', 9, 0.375, 'none'),
];

/** `say(key)` writes a library word key in the person's language (identity in the tests); a custom name is kept as typed. */
export function rulesFromPicks(unit, picks, { say = (k) => k, custom = [], over = {} } = {}) {
  const P = cleanPicks(picks, custom);
  const inch = unit === 'in';
  const th = (m) => thicknessIn(m, unit);
  const nm = (m) => writtenName(m, say, unit);
  const car = find(P.carcass, custom), back = find(P.back, custom), fr = find(P.fronts, custom), dr = find(P.drawer, custom), db = find(P.drawerBottom, custom);
  const band = (id) => { const b = find(id, custom); return { code: nm(b), thickness: Math.round(th(b) * 1e4) / 1e4 }; };
  const r = {
    t: th(car), carcass: nm(car),
    backT: th(back), groove: Math.min(th(back), th(car) * 0.6), backMat: nm(back),
    frontT: th(fr), frontMat: nm(fr),
    drawerT: th(dr), drawerMat: nm(dr),
    drawerBottomT: th(db), drawerBottomMat: nm(db),
    bandCarcass: band(P.bandCarcass), bandFront: band(P.bandFront), bandDrawer: band(P.bandDrawer),
  };
  // the groove follows the back unless the shop typed one; the shop's own numbers (over) win over everything above
  return rulesFor(unit, { ...r, ...over });
}

/** The sheet a material is cut from: by the written name and thickness, else the default sheet of the job. */
export function sheetFor(name, thickness, { picks = DEFAULT_PICKS, custom = [], say = (k) => k, unit = 'mm', fallback = { w: 2440, h: 1220 } } = {}) {
  const P = cleanPicks(picks, custom);
  const k = unit === 'in' ? 25.4 : 1;
  for (const id of [P.carcass, P.back, P.fronts, P.drawer, P.drawerBottom]) {
    const m = find(id, custom);
    if (!m) continue;
    if (writtenName(m, say, unit) === name) {
      if (m.sheet && typeof m.sheet === 'object') return { w: m.sheet.w, h: m.sheet.h };   // typed in the job's unit
      const s = SHEETS[m.sheet];
      if (s) return { w: Math.round((s.w / k) * 4) / 4, h: Math.round((s.h / k) * 4) / 4 };
    }
  }
  return { w: fallback.w, h: fallback.h };
}

for (const h of pl.holes) { holes++; out.push('    <hole kind="' + xe(h.kind) + '" x="' + xe(Math.round(h.x * 1000) / 1000) + '" y="' + xe(Math.round(h.y * 1000) / 1000) + '" diameter="' + xe(h.d) + '" depth="' + xe(h.depth) + '" side="' + xe(h.side || 'both') + '"' + (h.face && h.face !== pl.face ? ' face="' + xe(h.face) + '"' : '') + (h.edge ? ' edge="' + xe(h.edge) + '"' : '') + '/>'); }

export function gcodeFiles(job, sheetsGcode, { unit = 'mm', name = 'Job', ...opts } = {}) {
  const out = [];
  const scale = unit === 'in' ? 25.4 : 1;
  job.mats.forEach((m, i) => {
    if (!m.result.placed.length) return;
    const sub = { ...job, mats: [{ ...m, sheetBase: 0 }], seq: job.seq };
    const dxf = nestDxf(sub, { units: unit });
    const thickness = m.thickness * scale;
    const slug = (name + ' ' + m.material).replace(/[^A-Za-z0-9._-]+/g, '_').slice(0, 60);
    const files = sheetsGcode(dxf, { ...opts, scale, thickness, name: slug });
    for (const f of files.files || files) out.push({ ...f, material: m.material, thickness: m.thickness, group: i, notes: [...(f.notes || [])] });
    if (files.notes && files.notes.length) out.push({ notesOnly: true, material: m.material, notes: files.notes });
  });
  return out;
}