import assert from 'node:assert/strict';
import { execFileSync, spawnSync } from 'node:child_process';
import { mkdtempSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join, resolve } from 'node:path';

const root = resolve(import.meta.dirname, '../..');
const temporary = mkdtempSync(join(tmpdir(), 'easyai-acceptance-report-'));
const reports = join(temporary, 'reports');
mkdirSync(reports);
const releaseSha = 'a'.repeat(40);
const digest = `sha256:${'b'.repeat(64)}`;
const configHash = 'c'.repeat(64);
const snapshotHash = 'd'.repeat(64);
const runID = '00000000-0000-4000-8000-000000000001';
const writeJSON = (path, value) => writeFileSync(path, `${JSON.stringify(value)}\n`, { mode: 0o600 });

const runtime = join(temporary, 'runtime.json');
const snapshot = join(temporary, 'snapshot.json');
const artifact = join(temporary, 'artifact.json');
const output = join(temporary, 'acceptance-report.json');
const partialOutput = join(temporary, 'acceptance-report.partial.json');
const productionPartial = join(temporary, 'production-summary.partial.json');
const mergedPartialOutput = join(temporary, 'acceptance-report.production-partial.json');
const waivedOutput = join(temporary, 'acceptance-report.waived.json');
writeJSON(runtime, {
  schemaVersion: 'acceptance-runtime/v1',
  runId: runID,
  releaseSha,
  apiImageDigest: digest,
  workerImageDigest: digest,
  snapshotConfigHash: configHash,
  snapshotSha256: snapshotHash,
  apiKeys: ['must-not-be-copied'],
  runToken: 'must-not-be-copied'
});
writeJSON(snapshot, {
  schemaVersion: 'acceptance-snapshot/v1',
  source: { releaseSha: 'e'.repeat(40), configHash },
  snapshotSha256: snapshotHash
});
writeJSON(artifact, {
  schemaVersion: 'acceptance-artifact-smoke/v1',
  releaseSha,
  apiImageDigest: digest,
  passed: true,
  secretSafe: true
});
writeJSON(join(reports, 'load.json'), {
  schemaVersion: 'acceptance-load-report/v1',
  profile: 'simulated-smoke',
  passed: true,
  secretSafe: true,
  phases: [],
  startedAt: '2026-01-01T00:00:00Z',
  finishedAt: '2026-01-01T00:01:00Z'
});

execFileSync('node', [
  join(root, 'scripts/acceptance/report.mjs'),
  'build-local',
  '--runtime', runtime,
  '--snapshot', snapshot,
  '--reports', reports,
  '--artifact', artifact,
  '--api-digest', digest,
  '--certified-profile', 'P24',
  '--output', output
]);
const report = JSON.parse(readFileSync(output, 'utf8'));
assert.equal(report.schemaVersion, 'acceptance-report/v1');
assert.equal(report.stages.localNative.status, 'passed');
assert.equal(report.stages.amd64Artifact.status, 'passed');
assert.equal(report.promotion.ready, false);
assert.equal(readFileSync(output, 'utf8').includes('must-not-be-copied'), false);
execFileSync('node', [join(root, 'scripts/acceptance/report.mjs'), 'validate', '--input', output]);
const overwrite = spawnSync('node', [
  join(root, 'scripts/acceptance/report.mjs'),
  'build-local',
  '--runtime', runtime,
  '--snapshot', snapshot,
  '--reports', reports,
  '--artifact', artifact,
  '--api-digest', digest,
  '--output', output
], { encoding: 'utf8' });
assert.notEqual(overwrite.status, 0);
assert.match(`${overwrite.stdout}${overwrite.stderr}`, /EEXIST|file already exists/);
assert.equal(JSON.parse(readFileSync(output, 'utf8')).runId, runID);

execFileSync('node', [
  join(root, 'scripts/acceptance/report.mjs'),
  'build-local-partial',
  '--runtime', runtime,
  '--snapshot', snapshot,
  '--reports', reports,
  '--certified-profile', 'P24',
  '--failure-phase', 'capacity_p28_round_2',
  '--failure-gate', 'local_control_plane_restarted',
  '--output', partialOutput
]);
const partialReport = JSON.parse(readFileSync(partialOutput, 'utf8'));
assert.equal(partialReport.stages.localNative.status, 'failed');
assert.equal(partialReport.stages.localNative.failurePhase, 'capacity_p28_round_2');
assert.equal(partialReport.gates[0].id, 'local_control_plane_restarted');
assert.equal(partialReport.stages.amd64Artifact.status, 'not-run');
assert.equal(partialReport.promotion.ready, false);
assert.equal(readFileSync(partialOutput, 'utf8').includes('must-not-be-copied'), false);
execFileSync('node', [join(root, 'scripts/acceptance/report.mjs'), 'validate', '--input', partialOutput]);

writeJSON(productionPartial, {
  runId: runID,
  releaseSha,
  apiImageDigest: digest,
  snapshotConfigHash: configHash,
  snapshotSha256: snapshotHash,
  stableCapacityProfile: 'P24',
  realCanaryPassed: false,
  gates: [
    {
      id: 'workflow_interrupted',
      passed: false,
      detail: 'production acceptance interrupted by signal'
    }
  ],
  passed: false
});
execFileSync('node', [
  join(root, 'scripts/acceptance/report.mjs'),
  'merge-production',
  '--local-report', output,
  '--production-summary', productionPartial,
  '--output', mergedPartialOutput
]);
const mergedPartial = JSON.parse(readFileSync(mergedPartialOutput, 'utf8'));
assert.equal(mergedPartial.stages.onlineSimulation.status, 'failed');
assert.equal(mergedPartial.runId, runID);
assert.equal(mergedPartial.stages.realCanary.status, 'failed');
assert.equal(mergedPartial.promotion.ready, false);
assert.equal(mergedPartial.promotion.trafficMode, 'validation');
assert.equal(mergedPartial.gates.at(-1).id, 'workflow_interrupted');
execFileSync('node', [join(root, 'scripts/acceptance/report.mjs'), 'validate', '--input', mergedPartialOutput]);

execFileSync('node', [
  join(root, 'scripts/acceptance/report.mjs'),
  'build-online-waiver',
  '--release-sha', releaseSha,
  '--api-digest', digest,
  '--snapshot', snapshot,
  '--waiver-reason', 'user_directed_online_only_acceptance',
  '--output', waivedOutput
]);
const waived = JSON.parse(readFileSync(waivedOutput, 'utf8'));
assert.equal(waived.stages.localNative.status, 'skipped');
assert.equal(waived.stages.amd64Artifact.status, 'skipped');
assert.equal(waived.gates[0].id, 'local_acceptance_explicitly_waived');
assert.equal(waived.promotion.ready, false);
execFileSync('node', [join(root, 'scripts/acceptance/report.mjs'), 'validate', '--input', waivedOutput]);