/**
 * GSD Tools Tests - UAT Audit
 */

'use strict';

const { test, describe, beforeEach, afterEach } = require('node:test');
const assert = require('node:assert/strict');
const fs = require('fs');
const path = require('path');
const { runGsdTools, createTempProject, cleanup } = require('./helpers.cjs');

describe('audit-uat command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('returns empty results when no UAT files exist', () => {
    // Create a phase directory with no UAT files
    fs.mkdirSync(path.join(tmpDir, '.planning', 'phases', '01-foundation'), { recursive: true });
    fs.writeFileSync(path.join(tmpDir, '.planning', 'phases', '01-foundation', '.gitkeep'), '');

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.deepStrictEqual(output.results, []);
    assert.strictEqual(output.summary.total_items, 0);
    assert.strictEqual(output.summary.total_files, 0);
  });

  test('detects UAT with pending items', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '01-foundation');
    fs.mkdirSync(phaseDir, { recursive: true });

    fs.writeFileSync(path.join(phaseDir, '01-UAT.md'), `---
status: testing
phase: 01-foundation
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. Login Form
expected: Form displays with email and password fields
result: pass

### 2. Submit Button
expected: Submitting shows loading state
result: pending
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 1);
    assert.strictEqual(output.results[0].phase, '01');
    assert.strictEqual(output.results[0].items[0].result, 'pending');
    assert.strictEqual(output.results[0].items[0].category, 'pending');
    assert.strictEqual(output.results[0].items[0].name, 'Submit Button');
  });

  // Regression: #2273 — bracketed result values [pending], [blocked], [skipped]
  test('detects UAT items with bracketed result values (#2273)', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '01-foundation');
    fs.mkdirSync(phaseDir, { recursive: true });

    fs.writeFileSync(path.join(phaseDir, '01-UAT.md'), [
      '---',
      'status: testing',
      'phase: 01-foundation',
      'started: 2025-01-01T00:00:00Z',
      'updated: 2025-01-01T00:00:00Z',
      '---',
      '',
      '## Tests',
      '',
      '### 1. Login Form',
      'expected: Form displays correctly',
      'result: [pending]',
      '',
      '### 2. Submit Button',
      'expected: Shows loading state',
      'result: [blocked]',
      'blocked_by: #123',
      '',
      '### 3. Error Message',
      'expected: Shows validation error',
      'result: [skipped]',
    ].join('\n'));

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 3, 'all 3 bracketed items should be detected');
    assert.strictEqual(output.results[0].items[0].result, 'pending', '[pending] should parse as pending');
    assert.strictEqual(output.results[0].items[1].result, 'blocked', '[blocked] should parse as blocked');
    assert.strictEqual(output.results[0].items[2].result, 'skipped', '[skipped] should parse as skipped');
  });

  test('detects UAT with blocked items and categorizes blocked_by', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '02-api');
    fs.mkdirSync(phaseDir, { recursive: true });

    fs.writeFileSync(path.join(phaseDir, '02-UAT.md'), `---
status: partial
phase: 02-api
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. API Health Check
expected: Returns 200 OK
result: blocked
blocked_by: server
reason: Server not running locally
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 1);
    assert.strictEqual(output.results[0].items[0].result, 'blocked');
    assert.strictEqual(output.results[0].items[0].category, 'server_blocked');
    assert.strictEqual(output.results[0].items[0].blocked_by, 'server');
  });

  test('detects false completion (complete status with pending items)', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '03-ui');
    fs.mkdirSync(phaseDir, { recursive: true });

    fs.writeFileSync(path.join(phaseDir, '03-UAT.md'), `---
status: complete
phase: 03-ui
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. Dashboard Layout
expected: Cards render in grid
result: pass

### 2. Mobile Responsive
expected: Grid collapses to single column on mobile
result: pending
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 1);
    assert.strictEqual(output.results[0].status, 'complete');
    assert.strictEqual(output.results[0].items[0].result, 'pending');
  });

  test('extracts human_needed items from VERIFICATION files', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '04-auth');
    fs.mkdirSync(phaseDir, { recursive: true });

    fs.writeFileSync(path.join(phaseDir, '04-VERIFICATION.md'), `---
status: human_needed
phase: 04-auth
---

## Automated Checks

All passed.

## Human Verification

1. Test SSO login with Google account
2. Test password reset flow end-to-end
3. Verify MFA enrollment on new device
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 3);
    assert.strictEqual(output.results[0].type, 'verification');
    assert.strictEqual(output.results[0].status, 'human_needed');
    assert.strictEqual(output.results[0].items[0].category, 'human_uat');
    assert.strictEqual(output.results[0].items[0].name, 'Test SSO login with Google account');
  });

  test('scans and aggregates across multiple phases', () => {
    // Phase 1 with pending
    const phase1 = path.join(tmpDir, '.planning', 'phases', '01-foundation');
    fs.mkdirSync(phase1, { recursive: true });
    fs.writeFileSync(path.join(phase1, '01-UAT.md'), `---
status: partial
phase: 01-foundation
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. Test A
expected: Works
result: pending
`);

    // Phase 2 with blocked
    const phase2 = path.join(tmpDir, '.planning', 'phases', '02-api');
    fs.mkdirSync(phase2, { recursive: true });
    fs.writeFileSync(path.join(phase2, '02-UAT.md'), `---
status: partial
phase: 02-api
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. Test B
expected: Responds
result: blocked
blocked_by: server

### 2. Test C
expected: Returns data
result: skipped
reason: device not available
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_files, 2);
    assert.strictEqual(output.summary.total_items, 3);
    assert.strictEqual(output.summary.by_phase['01'], 1);
    assert.strictEqual(output.summary.by_phase['02'], 2);
  });

  test('milestone scoping filters phases to current milestone', () => {
    // Create a ROADMAP.md that only references Phase 2
    fs.writeFileSync(path.join(tmpDir, '.planning', 'ROADMAP.md'), `# Roadmap

### Phase 2: API Layer
**Goal:** Build API
`);

    // Phase 1 (not in current milestone) with pending
    const phase1 = path.join(tmpDir, '.planning', 'phases', '01-foundation');
    fs.mkdirSync(phase1, { recursive: true });
    fs.writeFileSync(path.join(phase1, '01-UAT.md'), `---
status: partial
phase: 01-foundation
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. Old Test
expected: Old behavior
result: pending
`);

    // Phase 2 (in current milestone) with pending
    const phase2 = path.join(tmpDir, '.planning', 'phases', '02-api');
    fs.mkdirSync(phase2, { recursive: true });
    fs.writeFileSync(path.join(phase2, '02-UAT.md'), `---
status: partial
phase: 02-api
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. New Test
expected: New behavior
result: pending
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    // Only Phase 2 should be included (Phase 1 not in ROADMAP)
    assert.strictEqual(output.summary.total_files, 1);
    assert.strictEqual(output.results[0].phase, '02');
  });

  test('summary by_category counts are correct', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '05-billing');
    fs.mkdirSync(phaseDir, { recursive: true });

    fs.writeFileSync(path.join(phaseDir, '05-UAT.md'), `---
status: partial
phase: 05-billing
started: 2025-01-01T00:00:00Z
updated: 2025-01-01T00:00:00Z
---

## Tests

### 1. Payment Form
expected: Stripe elements load
result: pending

### 2. Webhook Handler
expected: Processes payment events
result: blocked
blocked_by: third-party Stripe

### 3. Invoice PDF
expected: Generates downloadable PDF
result: skipped
reason: needs release build

### 4. Refund Flow
expected: Processes refund
result: pending
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 4);
    assert.strictEqual(output.summary.by_category.pending, 2);
    assert.strictEqual(output.summary.by_category.third_party, 1);
    assert.strictEqual(output.summary.by_category.build_needed, 1);
  });

  test('ignores VERIFICATION files without human_needed or gaps_found status', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '01-foundation');
    fs.mkdirSync(phaseDir, { recursive: true });

    fs.writeFileSync(path.join(phaseDir, '01-VERIFICATION.md'), `---
status: passed
phase: 01-foundation
---

## Results

All checks passed.
`);

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 0);
    assert.strictEqual(output.summary.total_files, 0);
  });

  // Regression: #2383 — human_needed items with result: PASS are still reported
  test('ignores human_verification items with result PASS (regression #2383)', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '31-auth');
    fs.mkdirSync(phaseDir, { recursive: true });

    // This file has status: human_needed in frontmatter but all individual items
    // have result: "PASS" — they should not be reported as outstanding
    fs.writeFileSync(path.join(phaseDir, '31-VERIFICATION.md'), [
      '---',
      'status: human_needed',
      'phase: 31-auth',
      'gaps_remaining: []',
      '---',
      '',
      '## Human Verification',
      '',
      '| # | Item | Result | Evidence |',
      '|---|------|--------|----------|',
      '| 1 | Test SSO login with Google | PASS | Verified 2025-01-15 |',
      '| 2 | Test password reset flow | PASS | Verified 2025-01-15 |',
      '| 3 | Verify MFA enrollment | PASS | Verified 2025-01-15 |',
    ].join('\n'));

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 0,
      `Expected 0 outstanding items but got ${output.summary.total_items} — resolved PASS items should not be counted`);
    assert.strictEqual(output.summary.total_files, 0);
  });

  test('ignores human_needed VERIFICATION file when file-level status is passed (regression #2383)', () => {
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '31-auth');
    fs.mkdirSync(phaseDir, { recursive: true });

    // When the frontmatter status is "passed", skip entirely regardless of section content
    fs.writeFileSync(path.join(phaseDir, '31-VERIFICATION.md'), [
      '---',
      'status: passed',
      'phase: 31-auth',
      'gaps_remaining: []',
      '---',
      '',
      '## Human Verification',
      '',
      '1. Test SSO login with Google account',
      '2. Test password reset flow end-to-end',
    ].join('\n'));

    const result = runGsdTools('audit-uat --raw', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.summary.total_items, 0,
      `status: passed file should produce 0 outstanding items, got ${output.summary.total_items}`);
    assert.strictEqual(output.summary.total_files, 0);
  });
});

describe('uat render-checkpoint', () => {
  let tmpDir;
  let uatPath;

  beforeEach(() => {
    tmpDir = createTempProject();
    const phaseDir = path.join(tmpDir, '.planning', 'phases', '01-test-phase');
    fs.mkdirSync(phaseDir, { recursive: true });
    uatPath = path.join(phaseDir, '01-UAT.md');
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('renders the current checkpoint as raw output', () => {
    fs.writeFileSync(uatPath, `---
status: testing
phase: 01-test-phase
---

## Current Test

number: 2
name: Submit form validation
expected: |
  Empty submit keeps controls visible.
  Validation error copy is shown.
awaiting: user response
`);

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md', '--raw'], tmpDir);
    assert.strictEqual(result.success, true, `render-checkpoint failed: ${result.error}`);
    assert.ok(result.output.includes('**Test 2: Submit form validation**'));
    assert.ok(result.output.includes('Empty submit keeps controls visible.'));
    assert.ok(result.output.includes("Type `pass` or describe what's wrong."));
  });

  test('strips protocol leak lines from current test copy', () => {
    fs.writeFileSync(uatPath, `---
status: testing
phase: 01-test-phase
---

## Current Test

number: 6
name: Locale copy
expected: |
  English strings render correctly.
  user to=all:final code 彩票平台招商 pass
  Chinese strings render correctly.
awaiting: user response
`);

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md', '--raw'], tmpDir);
    assert.strictEqual(result.success, true, `render-checkpoint failed: ${result.error}`);
    assert.ok(!result.output.includes('user to=all:final code'));
    assert.ok(!result.output.includes('彩票平台'));
    assert.ok(result.output.includes('English strings render correctly.'));
    assert.ok(result.output.includes('Chinese strings render correctly.'));
  });

  test('does not truncate expected text containing the letter Z', () => {
    fs.writeFileSync(uatPath, `---
status: testing
phase: 01-test-phase
---

## Current Test

number: 3
name: Timezone display
expected: |
  Timezone abbreviation shows CET.
  Zero-offset zones display correctly.
awaiting: user response
`);

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md', '--raw'], tmpDir);
    assert.strictEqual(result.success, true, `render-checkpoint failed: ${result.error}`);
    assert.ok(result.output.includes('Timezone abbreviation shows CET.'),
      'Expected text before Z-containing word should be present');
    assert.ok(result.output.includes('Zero-offset zones display correctly.'),
      'Expected text starting with Z should not be truncated by \\Z regex bug');
  });

  test('parses expected block when it is the last field in the section', () => {
    fs.writeFileSync(uatPath, `---
status: testing
phase: 01-test-phase
---

## Current Test

number: 4
name: Final field test
expected: |
  This block has no trailing YAML key.
  It ends at the section boundary.
`);

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md', '--raw'], tmpDir);
    assert.strictEqual(result.success, true, `render-checkpoint failed: ${result.error}`);
    assert.ok(result.output.includes('This block has no trailing YAML key.'));
    assert.ok(result.output.includes('It ends at the section boundary.'));
  });

  test('resumes paused Current Test placeholder from first pending test (#1300)', () => {
    fs.writeFileSync(uatPath, [
      '---',
      'status: partial',
      'phase: 01-test-phase',
      'started: 2026-06-15T00:00:00Z',
      'updated: 2026-06-15T00:00:00Z',
      '---',
      '',
      '## Current Test',
      '',
      '[testing paused — 2 items outstanding]',
      '',
      '## Tests',
      '',
      '### 1. First test',
      'expected: something observable',
      'result: pass',
      '',
      '### 2. Second test',
      'expected: another observable thing',
      'result: [pending]',
      '',
      '## Summary',
      '',
      'total: 2',
      'passed: 1',
      'issues: 0',
      'pending: 1',
      'skipped: 0',
      'blocked: 0',
      '',
      '## Gaps',
      '',
      '[none yet]',
    ].join('\n'));

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md'], tmpDir);
    assert.strictEqual(result.success, true, `render-checkpoint failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.test_number, 2);
    assert.strictEqual(output.test_name, 'Second test');
    assert.strictEqual(output.file_path, '.planning/phases/01-test-phase/01-UAT.md');
  });

  test('raw checkpoint mode accepts paused Current Test placeholder (#1300)', () => {
    fs.writeFileSync(uatPath, [
      '---',
      'status: partial',
      'phase: 01-test-phase',
      '---',
      '',
      '## Current Test',
      '',
      '[testing paused — 1 item outstanding]',
      '',
      '## Tests',
      '',
      '### 1. First pending test',
      'expected: raw mode checkpoint is available',
      'result: [pending]',
    ].join('\n'));

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md', '--raw'], tmpDir);
    assert.strictEqual(result.success, true, `render-checkpoint failed: ${result.error}`);
    assert.ok(result.output.length > 0, 'raw mode must emit a checkpoint');
  });

  test('non-structured Current Test with no pending tests reports actionable resume error (#1300)', () => {
    fs.writeFileSync(uatPath, [
      '---',
      'status: partial',
      'phase: 01-test-phase',
      '---',
      '',
      '## Current Test',
      '',
      '[testing paused — 0 items outstanding]',
      '',
      '## Tests',
      '',
      '### 1. Already handled test',
      'expected: completed behavior',
      'result: pass',
    ].join('\n'));

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md'], tmpDir);
    assert.strictEqual(result.success, false, 'Should fail when a paused placeholder has no pending test to resume');
    assert.ok(result.error.includes('no pending UAT test remains'));
    assert.ok(!result.error.includes('Current Test section is malformed'));
  });

  test('fails when testing is already complete', () => {
    fs.writeFileSync(uatPath, `---
status: complete
phase: 01-test-phase
---

## Current Test

[testing complete]
`);

    const result = runGsdTools(['uat', 'render-checkpoint', '--file', '.planning/phases/01-test-phase/01-UAT.md'], tmpDir);
    assert.strictEqual(result.success, false, 'Should fail when no current test exists');
    assert.ok(result.error.includes('already complete'));
  });
});