import {test} from 'node:test';
import assert from 'node:assert/strict';
import {readFileSync} from 'node:fs';
const read = p => readFileSync(p, 'utf8');
const model = JSON.parse(read('research/ai-adoption/strategy-model.json'));

test('every strategy page leads with a compact diagram story and closes its references', () => {
  for (const {id} of model.pages) {
    const page = read(`docs/strategy/${id === 'measurement' ? 'measurement/index' : id}.mdx`);
    const narrative = page.split('<div className="strategy-content">')[1].replace(/<details>[\s\S]*?<\/details>/g, '');
    assert.equal((narrative.match(/<ArchifyDiagram /g) || []).length, id === 'roadmap' ? 3 : 1, id);
    assert(narrative.includes(' story />'), id);
    assert(!page.includes('<details>') || page.indexOf(' story />') < page.indexOf('<details>'), id);
    assert(!/<details\s+open/.test(page), id);
    assert.equal((page.match(/<details>/g) || []).length, (page.match(/<\/details>/g) || []).length, id);
    assert((narrative.match(/^## /gm) || []).length <= 4, id);
    assert((narrative.match(/^- /gm) || []).length <= 7, id);
    assert(/\*\*(Next|Continue the loop):\*\*/.test(narrative), id);
    assert(!narrative.includes('| ---'), id);
    const words = narrative.replace(/<[^>]*>/g, '').trim().split(/\s+/).length;
    const budget = id === 'measurement' ? 1900 : id === 'roadmap' ? 1150 : id === 'target-operating-model' ? 850 : 750;
    assert(words <= budget, `${id}: ${words} default narrative words`);
  }
});

test('mobile story diagrams preserve the same nodes and directed relationships', () => {
  for (const {id} of model.pages) {
    const page = read(`docs/strategy/${id === 'measurement' ? 'measurement/index' : id}.mdx`);
    const name = /<ArchifyDiagram name="([^"]+)"[^>]+ story/.exec(page)[1];
    if (name === 'strategy-roadmap') {
      const desktop = JSON.parse(read(`diagrams/${name}.workflow.json`));
      const mobile = JSON.parse(read(`diagrams/${name}-mobile.workflow.json`));
      const semantic = d => ({nodes:d.nodes.map(({col,yOffset,...n}) => n), edges:d.edges.map(({fromSide,toSide,...e}) => e)});
      assert.deepEqual(semantic(desktop), semantic(mobile));
      continue;
    }
    const desktop = JSON.parse(read(`diagrams/${name}.architecture.json`));
    const mobile = JSON.parse(read(`diagrams/${name}-mobile.architecture.json`));
    assert(desktop.components.length >= 5, name);
    const semantic = d => ({nodes:d.components.map(({pos,size,...n})=>n),edges:d.connections.map(({fromSide,toSide,route,via,labelAt,label,...e})=>e)});
    assert.deepEqual(semantic(desktop), semantic(mobile), name);
    assert(desktop.connections.every(e => (e.label || e.id.startsWith('govern-') || /^strategy-(governance|quality|adoption|measurement|maintenance)$/.test(name)) && e.from !== e.to), name);
    assert.equal(desktop.meta.legend.mode, 'hidden');
  }
});

test('all sixteen exact KPI formulas remain reachable in the linked reference', () => {
  const manifest = JSON.parse(read('research/ai-adoption/measurement-migration.json'));
  assert.equal(manifest.metrics.length, 16);
  for (const metric of model.kpis) {
    const entry = manifest.metrics.find(m => m.title === metric.name);
    assert(read('docs/strategy/measurement/index.mdx').includes(`./${entry.oldAnchor}.mdx`));
    const section = read(`docs/strategy/${entry.docId}.mdx`);
    assert(section, metric.name);
    for (const label of ['Numerator','Denominator','Expression','Aggregation','Unit','Eligible population','Exclusions','Events and source','Owner / cadence','Missing evidence','Gaming and limits']) assert(section.includes(`| ${label} |`), `${metric.name}: ${label}`);
  }
});