import { expect, test } from 'bun:test';
import { readFileSync } from 'node:fs';
import { ALL_HOST_CONFIGS } from '../hosts';
import { generateAdversarialStep } from '../scripts/resolvers/outside-voice-steps';
import { generateQAReview } from '../scripts/resolvers/qa';
import { HOST_PATHS } from '../scripts/resolvers/types';
import { between, compact, expectAbsent, expectMentions, expectOrdered, expectTokens } from './helpers/prompt-structure';
import { readWorkflowExcerpt } from './helpers/workflow-excerpt';

// Structural checks only (docs/test-value-bar.md): headings, step order and machine-read
// tokens. Workflow wording is judged by the ship workflow-clarity judge in skill-llm-eval.
const readShip = () => readWorkflowExcerpt('ship/SKILL.md', '# Ship:', '## Important Rules');
const readTemplate = (name: string) => readFileSync(new URL(`../${name}`, import.meta.url), 'utf8');
const reviewTemplate = readTemplate('ship/sections/review-army.md.tmpl');
const coverageTemplate = readTemplate('ship/sections/test-coverage.md.tmpl');
const entryTemplate = readTemplate('ship/SKILL.md.tmpl');
const controlTemplate = between(entryTemplate, '### Ship control flow', '{{SECTION_INDEX:ship}}');
const entry = compact(entryTemplate);
const reviewFlow = compact(reviewTemplate);
const finalGate = compact(controlTemplate + between(entryTemplate, '## Step 16:', '## Step 17:'));
const pushFlow = compact(between(entryTemplate, '## Step 17:', '## Step 18:'));
const docsTemplate = readTemplate('ship/sections/documentation.md.tmpl');
const docs = compact(docsTemplate);
const prTemplate = readTemplate('ship/sections/pr-body.md.tmpl');

test('ship QA starts its smoke guard before probes on every host', () => {
  for (const host of ALL_HOST_CONFIGS) {
    const body = generateQAReview({ host: host.name, skillName: 'ship', tmplPath: '', paths: HOST_PATHS[host.name] });
    expectOrdered(body, [/smoke guard/i, '**3. Run smoke and plan checks.**'], `${host.name} ship QA`);
  }
});

test('ship reports QA in the PR template headings, not a second combined report', () => {
  const ship = compact(readShip());
  expectTokens(ship, ['`## Exploratory QA`', '`## Verification Results`', '`templates/functional-report-template.md`'], 'ship QA reporting');
  expectAbsent(ship, ['## Exploratory QA and Verification Results'], 'ship QA reporting');
});

test('the invocation record keeps state tokens and scoped start markers', () => {
  expectTokens(entry, ['**invocation record**', '`BUMP_LEVEL`', 'Steps 1–21', '11.5', '14.5'], 'ship entry');
  const state = compact(between(entryTemplate, '### Keep state', '{{SECTION_INDEX:ship}}'));
  expectTokens(state, ['`gstack-review-log --start`', '`REVIEW_START`', '`PASS_START`', '`DESIGN_START`', '`gstack-wtree`'], 'ship state');
  expectMentions(entry, [['never', 'token']], 'ship entry');
});

test('plan obligations precede scope drift, learnings and review', () => {
  const plan = readTemplate('ship/sections/plan-completion.md.tmpl');
  expectOrdered(compact(between(plan, /^/, '**Dispatch this step')), ['1. Dispatch', '2. Collect', '3. Run Step 8.2', '4. Run Prior Learnings'], 'plan-completion route');
  expectOrdered(plan, ['{{PLAN_COMPLETION_GATE_SHIP}}', '{{PLAN_VERIFICATION_EXEC}}', '{{SCOPE_DRIFT}}', '{{LEARNINGS_SEARCH:'], 'plan-completion placeholders');
  expectOrdered(entryTemplate, ['{{SECTION:plan-completion}}', '{{SECTION:review-army}}'], 'ship entry sections');
  const section = readTemplate('ship/sections/plan-completion.md');
  expectOrdered(section, ['## Step 8.1:', '## Step 8.2:', '## Prior Learnings'], 'plan-completion section');
  expectMentions(section, [['not done', 'block']], 'plan-completion section');
});

test('the parent owns one ordered review phase that persists each pass once', () => {
  expectTokens(reviewFlow, ['CYCLES', '`converged:false`', '--finish REVIEW_START', '`CONVERGED`', '`status:"unavailable"`', '`completed:false`',
    'Pre-Landing Review: INCOMPLETE', '`STATUS`: `unavailable`'], 'ship review phase');
  expectOrdered(reviewTemplate, ['4. **', '5. Output summary:', '6. Persist the review result', '### Decide whether to repeat Step 9'], 'ship review phase');
  expectTokens(compact(between(reviewTemplate, '4. **', '5. Output summary:')), ['CYCLES', 'REVIEW_START', '`converged:false`'], 'review finalize step');
});

test('named QA risks need explicit acceptance through AskUserQuestion', () => {
  const gate = compact(between(reviewTemplate, '**Required-probe parent gate:**'));
  expectTokens(gate, ['AskUserQuestion'], 'required-probe gate');
  expectMentions(gate, [['accept', 'risk'], ['not', 'passing']], 'required-probe gate');
});

test('coverage generation has one bounded allowance and an audit-only child prompt', () => {
  const allowance = compact(between(coverageTemplate, /^/, '````text'));
  expectTokens(allowance, ['2 generation passes', '30-path/5-tests-per-pass/2-minute'], 'coverage allowance');
  const prompt = coverageTemplate.split('````text\n')[1]?.split('\n````')[0] ?? '';
  expectTokens(prompt, ['Generation: <allowed|audit-only>; passes used: <N> of 2.', '"coverage_pct":N,"gaps":N', '"tests_added":["path",...]'], 'coverage child prompt');
  expectOrdered(prompt, [/audit-only/, '{{TEST_COVERAGE_AUDIT_SHIP}}'], 'coverage child prompt');
  expectMentions(prompt, [['not', 'commit'], ['not', 'push']], 'coverage child prompt');
});

test('design-lite runs before the Design specialist and reports a fixed JSON shape', () => {
  expectOrdered(reviewTemplate, ['{{DESIGN_REVIEW_LITE}}', '{{REVIEW_ARMY}}'], 'ship review army');
  expectTokens(reviewTemplate, ['"dispatched":true,"findings":N,"critical":N,"informational":N'], 'ship review army');
});

test('late adversarial and comment fixes queue for the parent outside Step 9.4', () => {
  const ship = readShip();
  expectMentions(compact(between(ship, '## Step 11:', '## Step 12:')), [['queue', 'parent']], 'ship Step 11');
  expectMentions(compact(between(ship, '## Step 10:', '## Step 11:')), [['queue', 'without editing']], 'ship Step 10');
});

test.each(ALL_HOST_CONFIGS.map(({ name }) => name))('%s: ship adversarial approvals queue and only ship carries the finish phase', host => {
  const ctx = { host, skillName: 'ship', tmplPath: '', paths: HOST_PATHS[host] };
  expectMentions(compact(generateAdversarialStep(ctx)), [['queue', 'without editing'], ['outside coverage']], `${host} ship adversarial`);
  const standalone = generateAdversarialStep({ ...ctx, skillName: 'review' });
  expectAbsent(standalone, ['Before Step 12:', '### Finish the adversarial phase'], `${host} review adversarial`);
  expectTokens(standalone, [/Step 5's Fix-First/], `${host} review adversarial`);
});

test('outside challenge availability keeps the review gates and fix limit', () => {
  const adversarial = compact(readTemplate('ship/sections/adversarial.md'));
  expectTokens(adversarial, ['P0/P1', "Step 9's three-cycle fix limit"], 'ship adversarial section');
  const standaloneReview = readTemplate('review/sections/adversarial.md');
  expectTokens(standaloneReview, ['Step 5 Fix-First'], 'review adversarial section');
  expectAbsent(standaloneReview, ['Step 11'], 'review adversarial section');
});

test('Step 11.5 reads review records and blocks on a mismatch', () => {
  const receipt = compact(between(entryTemplate, '## Step 11.5:', '## Step 12:'));
  expectTokens(receipt, ['~/.claude/skills/gstack/bin/gstack-review-read', '**Review records missing or mismatched**'], 'ship Step 11.5');
  expectAbsent(receipt, ['phase:"core"', 'Step 9.5', 'source:"in-host"', 'status:"clean"'], 'ship Step 11.5');
});

test('version recovery and digest generation keep their tokens', () => {
  const version = compact(between(entryTemplate, '## Step 12:', '## Step 14:'));
  expectTokens(version, ['`baseVersion`', '`currentVersion`', 'ALREADY_BUMPED', '`agents-digest/gstack-AGENTS.md`', '`agentsDigest`', '`bun --no-env-file --config=/dev/null scripts/gen-agents-digest.ts`'], 'ship version step');
  expectAbsent(version, ['skip if ALREADY_BUMPED'], 'ship version step');
});

test('distribution setup detects new targets and never invents credentials', () => {
  const distribution = compact(between(entryTemplate, '## Step 2:', '## Step 3:'));
  expectTokens(distribution, ['git diff origin/<base> --diff-filter=A --name-only'], 'ship Step 2');
  expectMentions(distribution, [['never', 'credentials']], 'ship Step 2');
});

test('ambiguous Apple targets and merge conflicts stop for AskUserQuestion', () => {
  const apple = compact(between(entryTemplate, '## Step 0.9:', '## Step 1:'));
  expectTokens(apple, ['`Package.swift`', 'AskUserQuestion'], 'ship Step 0.9');
  const merge = compact(between(entryTemplate, '## Step 3:', '{{SECTION:tests}}'));
  expectTokens(merge, ['AskUserQuestion'], 'ship Step 3');
  expectMentions(merge, [['conflict', 'stop']], 'ship Step 3');
});

test('missing test suites offer a named-gap decision and never report FRESH', () => {
  const tests = compact(readTemplate('ship/sections/tests.md.tmpl'));
  expectTokens(tests, ['A) Add tests', 'B) Ship', 'C) Stop'], 'ship tests section');
  expectTokens(finalGate, ['FRESH'], 'ship Step 16');
  expectMentions(finalGate, [['untested', 'approval']], 'ship Step 16');
});

test('Step 16 stages run in order and freeze inputs through push', () => {
  expectOrdered(finalGate, ['### 1. Finish writers and prepare outputs', '### 2. Choose the change route',
    '### 3. Resolve documentation freshness', '### 4. Verify the frozen candidate', '**Reuse a check when its inputs match.**'], 'ship Step 16');
  const route = compact(between(entryTemplate, '### 2. Choose the change route', '### 3. Resolve documentation freshness'));
  expectOrdered(route, ['**Behavior, tests or build inputs changed:**', '**Only authored docs or release metadata changed:**',
    '**No changes, or the docs-only checks still support the plan:**'], 'ship change route');
  expectTokens(finalGate, ['**Build failed or prerequisite missing**', "**Check each test lane's receipt as well.**"], 'ship Step 16');
  expectMentions(finalGate, [['freeze', 'push']], 'ship Step 16');
});

test('evidence exemptions cover only release metadata and receipts name their command', () => {
  expectTokens(finalGate, ['--allow-paths CHANGELOG.md,VERSION,package.json,agents-digest/gstack-AGENTS.md', '| FRESH (exit 0) |',
    "--label <lane> --expect-cmd '<exact Step 5 command>'", '~/.claude/skills/gstack/bin/gstack-wtree', 'git diff <reviewed-tree> <current-tree>'], 'ship evidence gate');
});

test('docs attempts are collected by the parent with typed result fields', () => {
  expectTokens(docs, ['`files_updated`', '`documentation_section`', '`blocked`'], 'ship documentation section');
  expectOrdered(docsTemplate, ['**Subagent prompt:**', '**Parent processing:**'], 'ship documentation section');
  const freshness = compact(between(entryTemplate, '### 3. Resolve documentation freshness', '### 4. Verify the frozen candidate'));
  expectTokens(freshness, ['Step 14.5'], 'ship docs freshness');
  const retry = between(freshness, '**An attempt remains, with changed inputs or an available repair:**', '**Otherwise:**');
  expectAbsent(retry, ['Continue to stage 4'], 'ship docs retry');
  expectTokens(retry, [/Step 16 stage 1/i], 'ship docs retry');
  expectOrdered(entryTemplate, ['## Step 14.5:', '## Step 17:'], 'ship entry');
});

test('late verified outputs are committed before push, without tags', () => {
  expectOrdered(compact(between(entryTemplate, '### 5. Report, then push', '## Step 17:')), [/commit/i, 'continue to Step 17'], 'ship Step 16.5');
  expectMentions(entry, [['not', 'git tag']], 'ship entry');
  expectOrdered(pushFlow, ['**Non-fast-forward push:**', '**Authentication, hook or network failure:**'], 'ship Step 17');
  expectTokens(pushFlow, ['`ALREADY_PUSHED`'], 'ship Step 17');
});

test('Step 18 resolves open PR state before preparing the title file Step 19 posts', () => {
  const lookup = compact(between(entryTemplate, '## Step 18:', '{{SECTION:pr-body}}'));
  expectOrdered(lookup, ['gh pr list --head <branch-name> --state open --json number,title,url', 'prepares the title'], 'ship Step 18');
  expectTokens(lookup, ['glab mr list --source-branch <branch-name> --output json'], 'ship Step 18');
  const title = compact(between(prTemplate, '### Prepare the title (Step 18)', '## Step 19:'));
  expectOrdered(title, ['{{FREE_TEXT_FILE:TITLE_FILE=pr-title}}', 'gstack-pr-title-rewrite.sh <new-version> --stdin > "$TITLE_FILE"'], 'ship Step 18 title');
  expectTokens(title, ['`v<NEW_VERSION> <type>: <summary>`', '`v$NEW_VERSION `', "grep -Eq '^v<new-version>( |$)' \"$TITLE_FILE\""], 'ship Step 18 title');
  expectAbsent(compact(entryTemplate + prTemplate), ['"<current title>"', 'NEW_TITLE'], 'ship Steps 18-19');
  expectTokens(prTemplate, ['--title-file "$TITLE_FILE"', 'exit 1', '**3**'], 'ship pr-body');
  const generated = readTemplate('ship/sections/pr-body.md');
  expectTokens(generated, ['**Existing open PR/MR**'], 'ship pr-body section');
});

test('linked spec discovery reads frontmatter fields and claims closure only for completed scope', () => {
  const instructions = compact(between(prTemplate, /^/, 'The PR/MR body should contain'));
  expectTokens(instructions, ['`spec_branch`', '`spec_filed_at`', '`spec_issue_number`', '`## Linked Spec`', '`Closes #N`', '`Linked to #N`'], 'ship linked spec');
  expectMentions(instructions, [['frontmatter', 'never', 'source']], 'ship linked spec');
  const body = between(prTemplate, 'The PR/MR body should contain', '#### Compose the body');
  expectAbsent(body, ['CURRENT_BRANCH=', 'SPEC_ARCHIVES=', 'SPEC_FILE=$(grep'], 'ship pr body');
  expectAbsent(prTemplate, ['[ -z "$SPEC_FILE" ] && exit'], 'ship pr-body');
});

test('comment triage reports one of three statuses with fixed result strings', () => {
  const section = compact(readTemplate('ship/sections/greptile.md.tmpl'));
  expectTokens(section, ['"status":"complete|no_pr|unavailable"', '`complete`', '`no_pr`', '`unavailable`',
    '"Greptile: no PR exists"', '"Greptile: fetched, zero comments"', '`Greptile triage: UNAVAILABLE (dispatch failed)`'], 'ship greptile section');
  expectAbsent(section, ['If no PR exists, `gh` fails, the API errors, or there are zero comments'], 'ship greptile section');
});

test('ship resolves branch and installed-asset references without competing instructions', () => {
  expectAbsent(entryTemplate, ['Test coverage gaps within target threshold', '`.claude/skills/review/TODOS-format.md`'], 'ship entry');
  expectOrdered(entryTemplate, ['`<branch-name>`', 'refs/heads/<branch-name>'], 'ship entry');
  expectTokens(entryTemplate, ['~/.claude/skills/gstack/review/TODOS-format.md'], 'ship entry');
  expectTokens(entry, ['## Step 16: Verification Gate'], 'ship entry');
  const row = readTemplate('ship/SKILL.md').split('\n').find(line => line.startsWith('| exploratory QA before Fix-First'));
  expect(row, 'ship section index lost its exploratory QA row').toBeDefined();
  expectTokens(row!, ['`sections/review-army.md`'], 'ship section index');
});