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/${id}.mdx`);
    const narrative = page.split('<div className="strategy-content">')[1].replace(/<details>[\s\S]*?<\/details>/g, '');
    assert.equal((narrative.match(/<ArchifyDiagram /g) || []).length, 1, id);
    assert(narrative.includes(' story />'), id);
    assert(page.indexOf(' story />') < page.indexOf('<details>'), id);
    assert(!/<details\s+open/.test(page), id);
    assert.equal((page.match(/<details>/g) || []).length, (page.match(/<\/details>/g) || []).length, id);
    assert.equal((narrative.match(/^## /gm) || []).length, 1, id);
    assert((narrative.match(/^- /gm) || []).length <= 3, id);
    assert(narrative.includes('**Next:**'), id);
    assert(!narrative.includes('| ---'), id);
    const words = narrative.replace(/<[^>]*>/g, '').trim().split(/\s+/).length;
    assert(words <= 200, `${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/${id}.mdx`);
    const name = /<ArchifyDiagram name="([^"]+)"[^>]+ story/.exec(page)[1];
    const desktop = JSON.parse(read(`diagrams/${name}.architecture.json`));
    const mobile = JSON.parse(read(`diagrams/${name}-mobile.architecture.json`));
    assert(desktop.components.length >= 5 && desktop.components.length <= (name === 'strategy-target' ? 18 : 7), name);
    const semantic = d => ({nodes:d.components.map(({pos,size,...n})=>n),edges:d.connections.map(({fromSide,toSide,via,labelAt,...e})=>e)});
    assert.deepEqual(semantic(desktop), semantic(mobile), name);
    assert(desktop.connections.every(e => (e.label || e.id.startsWith('govern-')) && e.from !== e.to), name);
    assert.equal(desktop.meta.legend.mode, 'hidden');
  }
});

test('all sixteen exact KPI formulas remain reachable in the closed reference', () => {
  const page = read('docs/strategy/measurement.mdx');
  const contracts = page.split('<summary>All 16 KPI contracts')[1].split('</details>')[0];
  assert.equal((contracts.match(/^### /gm) || []).length, 16);
  for (const metric of model.kpis) {
    const section = contracts.split(`### ${metric.name}\n`)[1]?.split('\n### ')[0];
    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}`);
  }
});