import { readFileSync } from 'node:fs';
const { compData, wireData, pinData } = JSON.parse(readFileSync('H:/caiic_workspace/mothercup/hardware_design/_dump.json', 'utf8'));

function connPoint(p) {
  const len = p.len || 20;
  switch (p.rot) {
    case 0:   return { x: p.x - len, y: p.y };   // pin points left
    case 90:  return { x: p.x, y: p.y - len };   // pin points up
    case 180: return { x: p.x + len, y: p.y };   // pin points right
    case 270: return { x: p.x, y: p.y + len };   // pin points down
    default:  return { x: p.x, y: p.y };
  }
}

function onSeg(px, py, ax, ay, bx, by, tol = 4) {
  const cr = (bx - ax) * (py - ay) - (by - ay) * (px - ax);
  if (Math.abs(cr) > tol * 20) return false;
  return px >= Math.min(ax, bx) - tol && px <= Math.max(ax, bx) + tol &&
         py >= Math.min(ay, by) - tol && py <= Math.max(ay, by) + tol;
}
function wpts(line) {
  if (!Array.isArray(line)) return [];
  if (Array.isArray(line[0])) return line.flat();
  return line;
}

// net flags (components with no designator but a name)
const netflags = compData.filter(c => (!c.d || c.d.trim()==='') && c.n);

function netsAt(pt) {
  const s = new Set();
  for (const w of wireData) {
    const p = wpts(w.line);
    for (let i = 0; i + 3 < p.length; i += 2) {
      if (onSeg(pt.x, pt.y, p[i], p[i+1], p[i+2], p[i+3])) if (w.net) s.add(w.net);
    }
  }
  for (const f of netflags) {
    if (Math.abs(f.x - pt.x) <= 8 && Math.abs(f.y - pt.y) <= 8 && f.n) s.add(f.n);
  }
  return [...s];
}

console.log('=== key component pin -> net ===');
for (const k of Object.keys(pinData)) {
  const pd = pinData[k];
  if (!pd) { console.log(`${k}: (not found)`); continue; }
  console.log(`${k} (${pd.name}) @ (${pd.pos.x},${pd.pos.y})`);
  for (const p of pd.pins) {
    const pt = connPoint(p);
    const nets = netsAt(pt);
    console.log(`   pin ${p.num} ${p.name||''} rot=${p.rot} len=${p.len} -> ${JSON.stringify(nets)}`);
  }
}

// all components with positions (sorted by x then y) to see layout
console.log('\n=== all components (d:name @x,y) ===');
const sorted = [...compData].filter(c=>c.d && c.d.trim()).sort((a,b)=>a.x-b.x);
for (const c of sorted) console.log(`  ${c.d}:${c.n||''} @ (${c.x},${c.y})`);