/**
 * Low wall mouldings must not run through exit doors on the end walls.
 *   node --test server/__tests__/doorway-clearance.test.js
 */
const { describe, it } = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');

const ROOT = path.join(__dirname, '..', '..');
const PRIMITIVES = fs.readFileSync(path.join(ROOT, 'client/src/components/hall-details/primitives.tsx'), 'utf8');
const GEOMETRY = fs.readFileSync(path.join(ROOT, 'client/src/components/hall-details/geometry.ts'), 'utf8');
const COURTLY = fs.readFileSync(path.join(ROOT, 'client/src/components/hall-details/courtly.tsx'), 'utf8');

function flemishBlock() {
  const start = COURTLY.indexOf('export function FlemishDetails');
  assert.ok(start >= 0);
  const next = COURTLY.indexOf('export function ', start + 1);
  return COURTLY.slice(start, next > start ? next : undefined);
}

describe('Doorway clearance for wall mouldings', () => {
  it('exports a shared door half-clearance used by WallBand', () => {
    assert.match(GEOMETRY, /DOOR_CLEAR_HALF\s*=\s*1\.45/);
    assert.match(PRIMITIVES, /DOOR_CLEAR_HALF/);
  });

  it('WallBand splits back/front bands that sit in the door height', () => {
    assert.match(PRIMITIVES, /crossesDoor/);
    assert.match(PRIMITIVES, /DOOR_CLEAR_HALF/);
    assert.match(PRIMITIVES, /leftX|rightX/);
  });

  it('Flemish linenfold ribs skip the back-wall doorway', () => {
    const block = flemishBlock();
    assert.match(block, /DOOR_CLEAR_HALF|Math\.abs\(x\)\s*>/);
  });
});