import test from 'node:test';
import assert from 'node:assert/strict';
import { createDraft, draftNotice, isDraftDirty } from '../src/draft.js';

test('a fresh draft is empty and reports nothing to resume', () => {
  const draft = createDraft();
  assert.equal(isDraftDirty(draft), false);
  assert.equal(draftNotice(draft), '');
  assert.equal(draft.bristolType, 4);
  assert.equal(draft.color, 'brown');
  assert.deepEqual(draft.symptoms, {});
});

test('a fresh draft is independent so one log cannot leak into the next', () => {
  const first = createDraft();
  first.symptoms.blood = true;
  first.note = 'leaked';
  const second = createDraft();
  assert.equal(second.symptoms.blood, undefined);
  assert.equal(second.note, '');
  assert.equal(isDraftDirty(second), false);
});

test('any user-entered context makes the draft worth resuming', () => {
  const cases = [
    [{ typeChosen: true, bristolType: 6 }, /type 6/i],
    [{ note: 'After lunch' }, /note/i],
    [{ urgency: 3 }, /urgency/i],
    [{ discomfort: 2 }, /discomfort/i],
    [{ photoDataUrl: 'data:image/jpeg;base64,abc' }, /photo/i],
    [{ symptoms: { blood: true } }, /symptom/i],
  ];
  for (const [patch, expected] of cases) {
    const draft = { ...createDraft(), ...patch };
    assert.equal(isDraftDirty(draft), true, JSON.stringify(patch));
    assert.match(draftNotice(draft), expected);
  }
});

test('untouched defaults are not treated as user context', () => {
  assert.equal(isDraftDirty({ ...createDraft(), bristolType: 7 }), false);
  assert.equal(isDraftDirty({ ...createDraft(), color: 'brown', urgency: 0, discomfort: 0, note: '   ' }), false);
  assert.equal(draftNotice({ ...createDraft(), color: 'brown' }), '');
});

test('a changed color is user context and unconfirmed AI defaults are not', () => {
  assert.equal(isDraftDirty({ ...createDraft(), color: 'black' }), true);
  assert.match(draftNotice({ ...createDraft(), color: 'black' }), /color/i);
});

test('draft copy never implies the photo or note left this device', () => {
  const notice = draftNotice({ ...createDraft(), typeChosen: true, photoDataUrl: 'data:image/jpeg;base64,abc', note: 'x' });
  assert.doesNotMatch(notice, /upload|server|sent|cloud/i);
});