import test from 'node:test';
import assert from 'node:assert/strict';
import { buildCoverageEvidence } from '../../scripts/lib/wp7-05-coverage.mjs';
import { REQUIRED_COVERAGE_UNITS } from '../../scripts/lib/wp7-05-ui-gate.mjs';

const viewports = [
  { width: 1920, height: 1080, deviceScaleFactor: 1, zoom: 100 },
  { width: 1920, height: 1080, deviceScaleFactor: 1, zoom: 200 },
];

function completeUnits() {
  return REQUIRED_COVERAGE_UNITS.map((page_id) => ({
    page_id,
    states: [{
      state: 'normal',
      screenshot_100pct: `ui/${page_id}/normal/100pct.png`,
      screenshot_200pct: `ui/${page_id}/normal/200pct.png`,
      trace: `ui/${page_id}/normal/trace.zip`,
    }],
  }));
}

test('builds ordered, sanitized evidence for all 22 coverage units', () => {
  const evidence = buildCoverageEvidence({
    runId: 'wp7-05-red-001',
    candidateSha256: 'a'.repeat(64),
    coverageUnits: completeUnits(),
    viewports,
  });
  assert.equal(evidence.coverage_units.length, 22);
  assert.equal(evidence.coverage_units[0].page_id, 'support-gate');
  assert.equal(evidence.candidate_sha256, 'A'.repeat(64));
});

test('rejects absolute evidence paths and incomplete page state', () => {
  const units = completeUnits();
  units[0].states[0].trace = 'C:\\secret\\trace.zip';
  assert.throws(() => buildCoverageEvidence({
    runId: 'wp7-05-red-001', candidateSha256: 'a'.repeat(64), coverageUnits: units, viewports,
  }), /WP7_05_UNSAFE_TRACE/);
});