import assert from 'node:assert/strict';
import { spawnSync } from 'node:child_process';
import fs from 'node:fs/promises';
import path from 'node:path';
import test from 'node:test';

const ROOT = path.resolve(new URL('..', import.meta.url).pathname);
const CANARY_RELEASE = path.join(ROOT, 'scripts', 'release-portal-canary-prod.sh');
const CANARY_ROLLBACK = path.join(ROOT, 'scripts', 'rollback-portal-canary-prod.sh');

function heredocBody(source, opener, closer) {
  const start = source.indexOf(opener);
  assert.ok(start >= 0, `missing heredoc opener: ${opener}`);
  const bodyStart = source.indexOf('\n', start) + 1;
  const end = source.indexOf(`\n${closer}\n`, bodyStart);
  assert.ok(bodyStart > 0 && end >= bodyStart, `missing heredoc closer: ${closer}`);
  return source.slice(bodyStart, end);
}

function assertShellParses(source, label) {
  const result = spawnSync('bash', ['-n'], {
    cwd: ROOT,
    encoding: 'utf8',
    input: source,
  });
  assert.equal(result.status, 0, `${label} failed bash -n:\n${result.stderr}`);
}

test('production release verifies gate report before any 103 connection', async () => {
  const source = await fs.readFile(
    path.join(ROOT, 'scripts', 'release-portal-runtime-prod.sh'),
    'utf8',
  );
  const gateIndex = source.indexOf('verify-release-gate-report.mjs');
  const preflightIndex = source.indexOf('执行 103 只读预检');
  const uploadIndex = source.indexOf('上传 Portal runtime 到 103');
  assert.ok(gateIndex > 0, 'missing gate verifier');
  assert.ok(preflightIndex > gateIndex, '103 preflight must run after gate verification');
  assert.ok(uploadIndex > preflightIndex, 'upload must run after preflight');
  assert.match(source, /生产发布守门员禁止 --skip-tests/);
  assert.match(source, /禁止 ALLOW_PORTAL_RELEASE_SCOPE_BYPASS/);
});

test('runtime builder removes every persisted path forbidden by artifact policy', async () => {
  const source = await fs.readFile(
    path.join(ROOT, 'scripts', 'build-portal-runtime.mjs'),
    'utf8',
  );
  assert.match(source, /removeForbiddenPortalRuntimePaths/);
  assert.match(source, /removeForbiddenPortalRuntimePaths\(runtimeRoot\)/);
});

test('runtime builder materializes and declares required Linux ARM64 native packages', async () => {
  const source = await fs.readFile(
    path.join(ROOT, 'scripts', 'build-portal-runtime.mjs'),
    'utf8',
  );
  assert.match(source, /@resvg\/resvg-js-linux-arm64-gnu/);
  assert.match(source, /@node-rs\/argon2-linux-arm64-gnu/);
  assert.match(source, /installLinuxArm64NativePackages\(\)/);
  assert.match(source, /optionalDependencies: runtimeOptionalDependencies/);
  assert.match(source, /缺少原生 \.node 文件/);
});

test('packaged runtime gate isolates persistent roots and rejects artifact mutation', async () => {
  const localStackSource = await fs.readFile(
    path.join(ROOT, 'release-gate', 'local-stack.mjs'),
    'utf8',
  );
  assert.match(localStackSource, /MEMIND_PORTAL_H5_ROOT: sandboxRoot/);
  assert.match(localStackSource, /MEMIND_DEEPSEEK_DISABLE_THINKING: '1'/);
  assert.match(localStackSource, /deepseek-no-think-proxy\.mjs/);
  assert.match(localStackSource, /MEMIND_ORCHESTRATOR_MODE: 'shadow'/);
  assert.match(localStackSource, /MEMIND_ORCHESTRATOR_PAGE_DATA_VALIDATION_GATE_ENABLED: '1'/);
  assert.match(localStackSource, /H5_USERS_ROOT: usersRoot/);
  assert.match(localStackSource, /MINDSPACE_STORAGE_ROOT: storageRoot/);
  assert.match(localStackSource, /MEMIND_SHARED_PUBLISH_ROOT: publishRoot/);

  for (const scriptName of [
    'run-release-gate-runtime-cold-start.mjs',
    'run-release-gate-runtime-upgrade.mjs',
  ]) {
    const scriptSource = await fs.readFile(path.join(ROOT, 'scripts', scriptName), 'utf8');
    assert.match(scriptSource, /const artifactBefore = await hashArtifact\(runtimeRoot\)/);
    assert.match(scriptSource, /const artifactAfter = await hashArtifact\(runtimeRoot\)/);
    assert.match(scriptSource, /artifactAfter\.sha256 !== artifactBefore\.sha256/);
  }
});

test('production release rejects --skip-tests before repository or network preflight', () => {
  const result = spawnSync(
    'bash',
    [path.join(ROOT, 'scripts', 'release-portal-runtime-prod.sh'), '--skip-tests'],
    { cwd: ROOT, encoding: 'utf8' },
  );
  assert.notEqual(result.status, 0);
  assert.match(result.stderr, /禁止 --skip-tests/);
  assert.doesNotMatch(`${result.stdout}\n${result.stderr}`, /103 只读预检/);
});

test('production canary verifies the exact Gate artifact before any 103 preflight or upload', async () => {
  const source = await fs.readFile(CANARY_RELEASE, 'utf8');
  const gateIndex = source.indexOf('verify-release-gate-report.mjs');
  const preflightIndex = source.indexOf('Run 103 read-only preflight');
  const uploadIndex = source.indexOf('Upload the verified candidate bundle');
  assert.ok(gateIndex > 0, 'missing canary Gate verifier');
  assert.ok(preflightIndex > gateIndex, '103 preflight must follow Gate verification');
  assert.ok(uploadIndex > preflightIndex, 'upload must follow read-only preflight');
  assert.match(source, /branch.*!= "main"/);
  assert.match(source, /rev-parse origin\/main/);
  assert.match(source, /Production canary release forbids/);
});

test('production canary keeps stable 8081 live and switches only after verified backups and fallback', async () => {
  const source = await fs.readFile(CANARY_RELEASE, 'utf8');
  const fullBackup = source.indexOf('Create and verify the full stable backup');
  const persistBackup = source.indexOf('Create and verify the persisted-data backup');
  const edgeBackup = source.indexOf('Create and verify the active 105 nginx routing backup');
  const goosedStart = source.indexOf('Start an isolated goosed candidate on 18015');
  const candidateStart = source.indexOf('Start the passive candidate Portal on 18081');
  const proxyStart = source.indexOf('Start the fail-closed identity router on 18082');
  const tunnelStart = source.indexOf('Start the isolated 105 reverse tunnel on 19082');
  const edgeSwitch = source.indexOf(
    'Switch the committed 105 nginx upstreams to the isolated canary tunnel',
  );
  const fallbackProbe = source.indexOf('route-probe?username=john');
  assert.ok(fullBackup > 0);
  assert.ok(persistBackup > fullBackup);
  assert.ok(edgeBackup > persistBackup);
  assert.ok(goosedStart > edgeBackup);
  assert.ok(candidateStart > goosedStart);
  assert.ok(proxyStart > candidateStart);
  assert.ok(tunnelStart > proxyStart);
  assert.ok(edgeSwitch > tunnelStart);
  assert.ok(fallbackProbe > edgeSwitch);
  assert.match(source, /restore_edge_to_stable/);
  assert.match(source, /proxy_pass http:\/\/58\.38\.22\.103:8081;/);
  assert.match(source, /proxy_pass http:\/\/127\.0\.0\.1:\$\{CANARY_TUNNEL_REMOTE_PORT\};/);
  assert.match(source, /nginx -t/);
  assert.match(source, /CANARY_PROXY_PORT=18082/);
  assert.match(source, /CANARY_TUNNEL_REMOTE_PORT=19082/);
  assert.match(
    source,
    /edge_ssh\(\) \{\s*#.*\n\s*#.*\n\s*ssh -n -o BatchMode=yes/,
  );
  assert.match(
    source,
    /ssh -o BatchMode=yes -o ConnectTimeout=10 "\$\{EDGE_HOST\}" \/bin\/bash <<EDGE_SWITCH/,
  );
  assert.doesNotMatch(source, /edge_ssh \/bin\/bash <<EDGE_SWITCH/);
  assert.match(source, /CANARY_USERNAMES="john"/);
  assert.match(source, /CANARY_WECHAT_USER_IDS="wx_ul610et8"/);
  assert.match(source, /route-probe\?\$\{probe_query\}/);
  assert.match(source, /candidate_healthy/);
  assert.match(source, /MEMIND_CANARY_RELEASE_ID/);
  assert.match(
    source,
    /if restore_edge_to_stable >\/dev\/null 2>&1; then\s+stop_candidate_services/,
  );
  assert.match(source, /keeping canary services running/);
  assert.match(source, /--resolve wechat\.m\.tkmind\.cn:443:127\.0\.0\.1/);
  assert.doesNotMatch(source, /lsof -tiTCP:8081/);
  assert.doesNotMatch(source, /bootout.*cn\.tkmind\.memind-portal/);
});

test('canary release and rollback remote shells remain syntactically valid', async () => {
  const releaseSource = await fs.readFile(CANARY_RELEASE, 'utf8');
  const rollbackSource = await fs.readFile(CANARY_ROLLBACK, 'utf8');
  const releaseRemote = heredocBody(releaseSource, "<<'REMOTE_SCRIPT'", 'REMOTE_SCRIPT');
  const rollbackRemote = heredocBody(rollbackSource, "<<'REMOTE'", 'REMOTE');
  const edgeSwitch = heredocBody(releaseRemote, '<<EDGE_SWITCH', 'EDGE_SWITCH')
    .replaceAll('\\$', '$');
  const edgeRollback = heredocBody(rollbackRemote, '<<EDGE_ROLLBACK', 'EDGE_ROLLBACK')
    .replaceAll('\\$', '$');

  assertShellParses(releaseRemote, 'release remote shell');
  assertShellParses(rollbackRemote, 'rollback remote shell');
  assertShellParses(edgeSwitch, '105 edge switch shell');
  assertShellParses(edgeRollback, '105 edge rollback shell');
});

test('release readiness ignores only the generated canary artifact cover path', async () => {
  const source = await fs.readFile(
    path.join(ROOT, 'scripts', 'check-release-ready.sh'),
    'utf8',
  );
  assert.match(source, /:\(exclude\)\.runtime\/portal\/public\/plaza-covers\/\*\*/);
  assert.doesNotMatch(source, /:\(exclude\)\.runtime\/\*\*/);
});