import { expect, test } from 'bun:test';
import { nativePlanCallFingerprint } from './helpers/claude-pty-runner';
import { isDesignUIScopeReview } from './helpers/design-ui-scope';
import type { NativePlanQuestionCall } from './helpers/plan-count-transcript';
import captured from './fixtures/plan-design-ui-scope.json';
import { E2E_TOUCHFILES } from './helpers/touchfiles-data';

const calls = captured.calls as NativePlanQuestionCall[];
const fingerprint = (call: NativePlanQuestionCall) => nativePlanCallFingerprint(call, 0, true);
const recovered = captured.additionalQuestionCaptures[0]!;
const recoveredCall: NativePlanQuestionCall = {
  sessionId: 'ui-scope-replay',
  toolUseId: 'recovered-question',
  questions: [recovered.question],
  answered: true,
  failed: false,
  answers: { [recovered.question.question]: recovered.answer },
  unansweredQuestionIndices: [],
};

test('the captured untagged dashboard decision proves UI review, but its setup questions do not', () => {
  expect(calls.map(call => isDesignUIScopeReview(fingerprint(call)))).toEqual([false, false, false, true]);
  expect(calls[3]!.questions[0]!.question).not.toContain('<gstack-qid:');
});

test('the second captured review distinguishes setup from all ten native design decisions', () => {
  const replay = captured.additionalCaptures[0]!.calls as NativePlanQuestionCall[];
  expect(replay.map(call => isDesignUIScopeReview(fingerprint(call))))
    .toEqual([false, false, ...Array(10).fill(true)]);
});

test('issue and pass separators do not change native design evidence', () => {
  for (const issueSeparator of [':', ' —', ' –', ' -']) {
    for (const passSeparator of [',', ';', ' —', ' –', ' -', ':', ' (']) {
      const call = structuredClone(calls[3]!);
      const q = call.questions[0]!;
      q.question = q.question.replace('Issue 1:', `Issue 1${issueSeparator}`)
        .replace(', Pass 1', `${passSeparator} Pass 1`);
      call.answers = { [q.question]: q.options[0]!.label };
      expect(isDesignUIScopeReview(fingerprint(call)), `${issueSeparator} / ${passSeparator}`).toBe(true);
    }
  }
});

test('a recovered UI decision replays with fixture-owned metadata without filename, pass, or leading question verb', () => {
  expect(isDesignUIScopeReview(fingerprint(recoveredCall))).toBe(true);
  const call = structuredClone(recoveredCall);
  const q = call.questions[0]!;
  q.question = q.question.replace(/^Project\/branch\/task:[^\n]*\n/m, '');
  call.answers = { [q.question]: q.options[0]!.label };
  expect(isDesignUIScopeReview(fingerprint(call))).toBe(true);
});

test('choice identity does not depend on punctuation after the issue letter', () => {
  for (const separator of ['', ':', '.', ')', '—', '–', '-']) {
    const call = structuredClone(recoveredCall);
    const q = call.questions[0]!;
    for (const option of q.options) option.label = option.label.replace(/^6([A-Z]) /, `6$1${separator} `);
    call.answers = { [q.question]: q.options[0]!.label };
    expect(isDesignUIScopeReview(fingerprint(call)), separator).toBe(true);
  }
});

test('numbered UI language still requires concrete design choices rather than workflow or another target', () => {
  for (const mutate of [
    (q: NativePlanQuestionCall['questions'][number]) => { q.header = 'Scope'; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = q.question.replace('dashboard plan on main', 'OTHER.md dashboard plan on main'); },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = q.question.replace('D10 — Issue 6:', 'Example:'); },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = q.question.replace('Undo toast?', 'Undo toast.'); },
    (q: NativePlanQuestionCall['questions'][number]) => { q.options[0]!.label = '7A Immediate + Undo toast'; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.options = [{ label: '6A Yes' }, { label: '6B No' }]; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.options[0]!.label = '6A Review the modal later'; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = q.question.replace("'Mark all as read' — confirmation modal (as planned) or immediate action with an Undo toast?", 'Which modal should the outside reviewers discuss?'); },
  ]) {
    const call = structuredClone(recoveredCall);
    const q = call.questions[0]!;
    mutate(q);
    call.answers = { [q.question]: q.options[0]!.label };
    expect(isDesignUIScopeReview(fingerprint(call))).toBe(false);
  }
});

test('native ownership and complete offered answers are required for UI evidence', () => {
  for (const mutate of [
    (call: NativePlanQuestionCall) => { call.answered = false; },
    (call: NativePlanQuestionCall) => { call.failed = true; },
    (call: NativePlanQuestionCall) => { call.unansweredQuestionIndices = [0]; },
    (call: NativePlanQuestionCall) => { call.answers = {}; },
    (call: NativePlanQuestionCall) => { call.answers = { [call.questions[0]!.question]: 'Unrelated answer' }; },
    (call: NativePlanQuestionCall) => { call.questions[0]!.multiSelect = true; },
    (call: NativePlanQuestionCall) => { call.questions[0]!.options = call.questions[0]!.options.slice(0, 1); },
  ]) {
    const call = structuredClone(calls[3]!);
    mutate(call);
    expect(isDesignUIScopeReview(fingerprint(call))).toBe(false);
  }
  expect(isDesignUIScopeReview({ ...fingerprint(calls[3]!), signature: 'another-session:another-call' })).toBe(false);
});

test('issue-like framing cannot promote setup, examples, another plan, or mismatched choices', () => {
  for (const mutate of [
    (q: NativePlanQuestionCall['questions'][number]) => { q.header = 'Outside voices'; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = 'Example:\n' + q.question; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = q.question.replace('PLAN.md', 'OTHER.md'); },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = q.question.replace('Pass 1', 'before Pass 1'); },
    (q: NativePlanQuestionCall['questions'][number]) => { q.question = q.question.replace("Which panel is primary, and what's the order?", 'Which review scope should cover the panels?'); },
    (q: NativePlanQuestionCall['questions'][number]) => { q.options[1]!.label = '2B: Another issue'; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.options[1]!.label = '1B: Run outside reviewers'; },
    (q: NativePlanQuestionCall['questions'][number]) => { q.options[1]!.label = q.options[0]!.label; },
  ]) {
    const call = structuredClone(calls[3]!);
    const q = call.questions[0]!;
    mutate(q);
    call.answers = { [q.question]: q.options[0]!.label };
    expect(isDesignUIScopeReview(fingerprint(call))).toBe(false);
  }
});

test('the UI gate owns its classifier, captured evidence, and regression tests', () => {
  for (const file of ['test/helpers/design-ui-scope.ts', 'test/design-ui-scope.test.ts', 'test/fixtures/plan-design-ui-scope.json']) {
    expect(Object.entries(E2E_TOUCHFILES).filter(([, files]) => files.includes(file)).map(([owner]) => owner))
      .toEqual(['plan-design-with-ui-scope']);
  }
});