/**
 * The shared better-auth sendResetPassword callback must send a unique WELCOME
 * email to admin-created users (flagged via pending-welcome) and the standard
 * RESET email to everyone else — same link, different framing.
 */
import { describe, it, expect } from 'vitest';

import { buildAccountPasswordEmail } from '@/lib/auth/account-setup-email';
import { markPendingWelcome } from '@/lib/auth/pending-welcome';

const url = 'https://crm.example.com/set-password#token=tok';

describe('buildAccountPasswordEmail routing', () => {
  it('sends a welcome email when the recipient was flagged by create-user', async () => {
    const email = 'new-hire@example.test';
    markPendingWelcome(email);

    const mail = await buildAccountPasswordEmail({
      email,
      name: 'New Hire',
      url,
      appName: 'Port Nimara CRM',
      authBranding: null,
    });

    expect(mail.subject.toLowerCase()).toContain('welcome');
    expect(mail.subject.toLowerCase()).not.toContain('reset');
    expect(mail.html).toContain('tok');
  });

  it('sends the standard reset email for an unflagged self-service reset', async () => {
    const mail = await buildAccountPasswordEmail({
      email: 'existing@example.test',
      name: 'Existing User',
      url,
      appName: 'Port Nimara CRM',
      authBranding: null,
    });

    expect(mail.subject.toLowerCase()).toContain('reset');
    expect(mail.subject.toLowerCase()).not.toContain('welcome');
  });

  it('consumes the welcome flag (a second build for the same email is a reset)', async () => {
    const email = 'once@example.test';
    markPendingWelcome(email);

    const first = await buildAccountPasswordEmail({
      email,
      url,
      appName: 'Port Nimara CRM',
      authBranding: null,
    });
    const second = await buildAccountPasswordEmail({
      email,
      url,
      appName: 'Port Nimara CRM',
      authBranding: null,
    });

    expect(first.subject.toLowerCase()).toContain('welcome');
    expect(second.subject.toLowerCase()).toContain('reset');
  });
});
