import { expect, test } from 'vitest';
import { buildOutlinePayload } from './outlineShare.js';

const node = (id, extra = {}) => ({ id, text: id, ref: '', kind: '', minutes: null, note: '', scripture: null, attachments: [], children: [], ...extra });
const project = {
  title: 'Titus', translation: 'BSB',
  outline: [node('a', { minutes: 5, kind: 'illustration', children: [node('a1')] })],
  chapters: [{
    book: 'Titus', bookAbbrev: 'TIT', chapter: '1', verses: [{ number: 1, text: 'secret verse text' }],
    chunks: [
      { id: 'c1', startVerse: 1, endVerse: 4, observation: 'PRIVATE OBSERVATION', finalScript: 'PRIVATE SCRIPT', greekWords: [{ lexeme: 'x' }], outline: [node('b')] },
      { id: 'c2', startVerse: 5, endVerse: 5, observation: 'more private', outline: [] },
    ],
  }],
};

test('shares the outlines only, with each chunk labelled by its passage', () => {
  const p = buildOutlinePayload(project);
  expect(p.title).toBe('Titus');
  expect(p.outlines.map((o) => [o.scope, o.label])).toEqual([['study', 'Whole study'], ['c1', 'Titus 1:1–4']]);
  expect(p.outlines[0].tree[0]).toMatchObject({ text: 'a', minutes: 5, kind: 'illustration' });
  expect(p.outlines[0].tree[0].children[0].text).toBe('a1');
});

test('nothing from the rest of the study leaks into what is shared', () => {
  const json = JSON.stringify(buildOutlinePayload(project));
  for (const secret of ['PRIVATE OBSERVATION', 'PRIVATE SCRIPT', 'secret verse text', 'more private', 'greekWords']) expect(json).not.toContain(secret);
});

test('unknown fields on a point are dropped, and bad values are cleaned', () => {
  const p = buildOutlinePayload({ title: 'T', outline: [{ id: 'x', text: 'hi', evil: '<script>', kind: 'bogus', minutes: -4, scripture: { text: 5 }, attachments: [{ type: 'word', label: 'L' }, null], children: 'nope' }], chapters: [] });
  expect(p.outlines[0].tree[0]).toEqual({
    id: 'x', text: 'hi', ref: '', kind: '', minutes: null, note: '', scripture: null,
    attachments: [{ id: '', type: 'word', label: 'L' }], children: [],
  });
});

test('a study with no outlines shares none, and a huge outline is capped', () => {
  expect(buildOutlinePayload({ title: 'T', chapters: [] }).outlines).toEqual([]);
  const big = { title: 'T', outline: Array.from({ length: 3000 }, (_, i) => node(`n${i}`)), chapters: [] };
  expect(buildOutlinePayload(big).outlines[0].tree).toHaveLength(2000);
});