import { describe, expect, it } from 'vitest';
import { agreementHtml, signedAtLabel } from '../src/pdf/agreementHtml.js';

const application = {
  status: 'DRAFT',
  agreement_date: '2026-09-30',
  full_name: 'Asha <Rao>',
  age: 42,
  address: '12 Camp Road',
  registration_no: 'MMC-999',
  medical_council: 'Goa',
  pan: 'ABCDE1234F',
  gstin: '27ABCDE1234F1Z5',
  bank_name: 'Example Bank',
  account_holder: 'Asha Holder',
  account_number: '998877665544',
  ifsc: 'SBIN0001234',
};

describe('agreement HTML', () => {
  it('merges every field, escapes values, and watermarks a draft', () => {
    const html = agreementHtml({
      application,
      physicianSignature: { type: 'TYPED', typedName: 'Asha <Rao>' },
      draft: true,
    });

    expect(html).toContain('is executed on this');
    expect(html).not.toContain('is is executed');
    expect(html).toContain('<p class="center title"><strong>CONSULTATION AGREEMENT</strong></p>');
    expect(html).toContain('<p class="center"><strong>BETWEEN</strong></p>');
    expect(html).toContain('<p class="center"><strong>… PARTY OF THE FIRST PART</strong></p>');
    expect(html).toContain('<p><strong>1. PURPOSE</strong></p>');
    expect(html).toContain(
      '<strong>WHEREAS</strong>, Chest Research And Training Private Limited',
    );
    expect(html).toContain('Extended-Dose Pack versus Regular Pack');
    expect(html).toContain('<strong>AND WHEREAS</strong>, the said study');
    expect(html).not.toContain('<strong>1.1 CREST');
    expect(html).toContain('.filled { font-weight: 700; text-decoration: underline;');
    expect(html).toContain('this <span class="filled">30</span> day of <span class="filled">September</span> 2026');
    expect(html).toContain('<span class="filled">Asha &lt;Rao&gt;</span>');
    expect(html).not.toContain('Asha <Rao>');
    expect(html).toContain('aged <span class="filled">42</span> years');
    expect(html).toContain('<span class="filled">12 Camp Road</span>');
    expect(html).toContain('<span class="filled">MMC-999</span>');
    expect(html).toContain('<span class="filled">Goa</span> Medical Council');
    expect(html).toContain('<span class="filled">ABCDE1234F</span>');
    expect(html).toContain('<span class="filled">27ABCDE1234F1Z5</span>');
    expect(html).toContain('<span class="filled">Example Bank</span>');
    expect(html).toContain('<span class="filled">Asha Holder</span>');
    expect(html).toContain('<span class="filled">998877665544</span>');
    expect(html).toContain('<span class="filled">SBIN0001234</span>');
    expect(html).toContain('class="typed-signature filled"');
    expect(html).toContain('Pending approval');
    expect(html).toContain('DRAFT - NOT SIGNED');
  });

  it('shows the CREST signatory only after approval', () => {
    const html = agreementHtml({
      application: { ...application, status: 'APPROVED' },
      signatory: {
        name: 'Dr Sudeep Salvi',
        designation: 'Medical Director',
        signatureDataUrl: 'data:image/png;base64,AAAA',
      },
      draft: false,
    });

    expect(html).toContain('<span class="filled">Dr Sudeep Salvi</span>');
    expect(html).toContain('<span class="filled">Medical Director</span>');
    expect(html).toContain('data:image/png;base64,AAAA');
    expect(html).toContain('alt="CREST signature"');
    expect(html).not.toContain('alt="CREST"');
    expect(html).not.toContain('Pending approval');
    expect(html).not.toContain('DRAFT - NOT SIGNED');
  });

  it('dates the physician signature with the signing time in IST', () => {
    const html = agreementHtml({
      application: { ...application, status: 'APPROVED' },
      signatory: { name: 'Dr Sudeep Salvi', designation: 'Medical Director' },
      physicianSignature: { type: 'TYPED', typedName: 'Asha', signedAt: '2026-10-29 03:50:00' },
      draft: false,
      crestDate: '2026-10-30',
    });

    expect(html).toContain('Date: <span class="filled">29 October 2026, 09:20 AM IST</span>');
    expect(html).toContain('Date: <span class="filled">30 October 2026</span>');
  });

  it('keeps the agreement date when there is no signing time yet', () => {
    const html = agreementHtml({ application, physicianSignature: null, draft: true });

    expect(html).toContain('Date: <span class="filled">30 September 2026</span>');
    expect(html).not.toContain(' IST');
  });

  it('formats UTC database times and Dates in 12-hour India time', () => {
    expect(signedAtLabel('2026-10-28 20:00:00')).toBe('29 October 2026, 01:30 AM IST');
    expect(signedAtLabel('2026-10-29 09:00:00')).toBe('29 October 2026, 02:30 PM IST');
    expect(signedAtLabel(new Date('2026-10-29T06:30:00Z'))).toBe('29 October 2026, 12:00 PM IST');
    expect(signedAtLabel(null)).toBe('');
    expect(signedAtLabel('not a date')).toBe('');
  });
});