const { describe, it } = require('node:test');
const assert = require('node:assert/strict');
const {
  parseFrontmatter,
  matchAttendeeToPersons,
  buildNewPersonNote,
  resolveCompanyFromDomain
} = require('../lib/person-matcher.js');

describe('parseFrontmatter', () => {
  it('extracts YAML frontmatter from markdown', () => {
    const content = `---
tags: [person, mitarbeiter]
vorname: Christopher
nachname: Klein
email: c.klein@krah.de
kategorie: Mitarbeiter
---

# Christopher Klein
`;
    const fm = parseFrontmatter(content);

    assert.equal(fm.vorname, 'Christopher');
    assert.equal(fm.nachname, 'Klein');
    assert.equal(fm.email, 'c.klein@krah.de');
  });

  it('returns empty object for no frontmatter', () => {
    const fm = parseFrontmatter('# Just a heading');
    assert.deepEqual(fm, {});
  });
});

describe('matchAttendeeToPersons', () => {
  const persons = [
    { file: 'Christopher Klein.md', fm: { vorname: 'Christopher', nachname: 'Klein', email: 'c.klein@krah.de' } },
    { file: 'Philip Losch.md', fm: { vorname: 'Philip', nachname: 'Losch', email: 'p.losch@krah.de' } }
  ];

  it('matches by email (priority)', () => {
    const result = matchAttendeeToPersons(
      { name: 'Chris K.', email: 'c.klein@krah.de' },
      persons
    );
    assert.equal(result.matched, true);
    assert.equal(result.file, 'Christopher Klein.md');
    assert.equal(result.matchType, 'email');
  });

  it('falls back to name match', () => {
    const result = matchAttendeeToPersons(
      { name: 'Philip Losch', email: 'philip@private.de' },
      persons
    );
    assert.equal(result.matched, true);
    assert.equal(result.file, 'Philip Losch.md');
    assert.equal(result.matchType, 'name');
  });

  it('returns unmatched for unknown attendee', () => {
    const result = matchAttendeeToPersons(
      { name: 'Max Müller', email: 'max@landata.de' },
      persons
    );
    assert.equal(result.matched, false);
  });
});

describe('resolveCompanyFromDomain', () => {
  const companies = [
    { file: 'KRAH.md', fm: { domain: 'krah.de', kurzname: 'KRAH' } }
  ];

  it('resolves known domain to wikilink', () => {
    const result = resolveCompanyFromDomain('c.klein@krah.de', companies);
    assert.equal(result, '[[00 Kontext/Firmen/KRAH]]');
  });

  it('returns plain domain for unknown company', () => {
    const result = resolveCompanyFromDomain('max@landata.de', companies);
    assert.equal(result, 'landata.de');
  });
});

describe('buildNewPersonNote', () => {
  it('generates markdown for new person', () => {
    const note = buildNewPersonNote({
      name: 'Max Müller',
      email: 'max.mueller@landata.de',
      firma: 'landata.de'
    });

    assert.ok(note.includes('vorname: Max'));
    assert.ok(note.includes('nachname: Müller'));
    assert.ok(note.includes('email: max.mueller@landata.de'));
    assert.ok(note.includes('kategorie: Extern'));
    assert.ok(note.includes('status: ungeprüft'));
    assert.ok(note.includes('# Max Müller'));
  });

  it('handles single-word display names', () => {
    const note = buildNewPersonNote({
      name: 'Siri',
      email: 'siri@example.com',
      firma: 'example.com'
    });

    assert.ok(note.includes('vorname: Siri'));
    assert.ok(note.includes('nachname: ""'));
  });
});