import assert from 'node:assert/strict';
import { test } from 'node:test';
import { Element, change, click, field, find, install, nodes, section, server, settle } from './flow-helpers.mjs';

install();
const { settingsPage } = await import('../../bindery/static/js/settings.js');

async function open(t, settings, authMode = 'proxy') {
  install();
  t.mock.timers.enable({ apis: ['setTimeout'] });
  const backend = server(t);
  const stored = { download_template: '{title}', download_date_format: '%Y', personal_ini: '', ...settings };
  backend.on('GET', 'settings', stored);
  backend.on('GET', 'rules', { rules: [] });
  backend.on('GET', 'stories', []);
  backend.on('PUT', 'settings', ({ body }) => ({ ...stored, ...body }));
  backend.on('PUT', 'settings/opds-password', { opds_user: 'alice', opds_password_set: true });
  const main = new Element('main');
  settingsPage(main, {}, { cwa_enabled: false, download_fields: {}, auth_mode: authMode });
  await settle();
  return { backend, main, card: section(main, 'Book Downloads') };
}

for (const enabled of [false, true]) {
  test(`OPDS loads ${enabled}, appears first in Book Downloads, and saves both states`, async (t) => {
    const { backend, main, card } = await open(t, { opds_enabled: enabled });
    const toggle = field(card, 'opds-enabled');
    assert.equal(toggle.checked, enabled);
    assert.equal(card.children[1].tagName, 'label');
    assert.equal(card.children[1].children[0], toggle);
    assert.equal(card.children[1].textContent, ' Enable OPDS');
    assert.equal(toggle.getAttribute('aria-describedby'), 'opds-note');
    assert.match(field(card, 'opds-note').textContent, /off by default/);
    assert.equal(find(field(card, 'opds-note'), 'a', 'the OPDS catalog').getAttribute('href'), 'opds');
    assert.equal(nodes(main).filter((node) => node.getAttribute('id') === 'opds-enabled').length, 1);
    for (const value of [!enabled, enabled]) {
      change(toggle, value);
      await click(card, 'Save');
      assert.deepEqual(backend.sent('PUT', 'settings').at(-1).body, {
        opds_enabled: value, download_template: '{title}', download_date_format: '%Y',
      });
      assert.equal(toggle.checked, value);
    }
    backend.on('PUT', 'settings', { opds_enabled: false, download_template: '{title}', download_date_format: '%Y' });
    change(toggle, true);
    await click(card, 'Save');
    assert.equal(toggle.checked, false, 'The saved response sets the checkbox state');
  });
}

const LOGIN = {
  none: /Bindery asks for no login, so the catalog needs none/,
  local: /sends your Bindery user name and password/,
  cwa: /sends your CWA user name and password/,
  proxy: /The proxy skips its login for the catalog.*Each user sets an OPDS password.*user name from the proxy/,
};
for (const [mode, text] of Object.entries(LOGIN)) {
  test(`the note names the login of the ${mode} mode, and only the proxy mode shows the password`, async (t) => {
    const { card } = await open(t, { opds_enabled: true, opds_password_set: false, opds_user: 'alice' }, mode);
    assert.match(field(card, 'opds-note').textContent, text);
    assert.doesNotMatch(field(card, 'opds-note').textContent, /BINDERY_API_KEY|Bearer|X-Api-Key/);
    for (const id of ['opds-user', 'opds-password', 'opds-password-status']) {
      assert.equal(field(card, id) !== undefined, mode === 'proxy', id);
    }
    assert.equal(find(card, 'button', 'Set password') !== undefined, mode === 'proxy');
  });
}

test('the password field is grey until the box is checked, and follows the box at once', async (t) => {
  const { card } = await open(t, { opds_enabled: false, opds_password_set: true, opds_user: 'alice' });
  const password = field(card, 'opds-password');
  const button = find(card, 'button', 'Reset password');
  assert.equal(password.disabled, true);
  assert.equal(button.disabled, true);
  change(field(card, 'opds-enabled'), true);
  assert.equal(password.disabled, false);
  assert.equal(button.disabled, false);
  change(field(card, 'opds-enabled'), false);
  assert.equal(password.disabled, true);
  assert.equal(button.disabled, true);
});

for (const isSet of [false, true]) {
  test(`the OPDS password ${isSet ? 'is set' : 'is not set'}, and the button sets or resets it`, async (t) => {
    const { backend, card } = await open(t, { opds_enabled: true, opds_password_set: isSet, opds_user: 'alice' });
    const password = field(card, 'opds-password');
    const status = field(card, 'opds-password-status');
    const user = field(card, 'opds-user');
    assert.equal(user.value, 'alice');
    assert.equal(user.getAttribute('readonly'), '');
    assert.equal(user.disabled, false, 'The user name stays selectable');
    assert.equal(user.getAttribute('aria-describedby'), 'opds-password-status');
    assert.equal(find(card, 'label', 'OPDS user name').getAttribute('for'), 'opds-user');
    assert.equal(find(card, 'label', 'OPDS password').getAttribute('for'), 'opds-password');
    assert.equal(password.disabled, false);
    assert.equal(password.getAttribute('type'), 'password');
    assert.equal(password.getAttribute('autocomplete'), 'new-password');
    assert.equal(password.getAttribute('minlength'), '8');
    assert.equal(password.value, '');
    assert.match(status.textContent, /enter the user name and the password in your reader/i);
    assert.match(status.textContent, isSet ? /You have an OPDS password/ : /You have no OPDS password yet/);
    assert.ok(find(card, 'button', isSet ? 'Reset password' : 'Set password'));
    password.value = 'long enough';
    await click(card, isSet ? 'Reset password' : 'Set password');
    assert.deepEqual(backend.sent('PUT', 'settings/opds-password')[0].body, { password: 'long enough' });
    assert.equal(password.value, '', 'The field is empty after the save');
    assert.match(status.textContent, /You have an OPDS password/);
    assert.equal(password.disabled, false);
    assert.ok(find(card, 'button', 'Reset password'));
    // The Save button of the card never sends the password.
    password.value = 'not sent';
    await click(card, 'Save');
    assert.equal(backend.sent('PUT', 'settings/opds-password').length, 1);
    assert.equal('password' in backend.sent('PUT', 'settings')[0].body, false);
    assert.equal(password.disabled, false, 'A save keeps the field in step with the box');
  });
}

test('a rejected OPDS password keeps the field and the status', async (t) => {
  const { backend, card } = await open(t, { opds_enabled: true, opds_password_set: false });
  backend.on('PUT', 'settings/opds-password', { error: 'The OPDS password must be text of 8 to 256 characters' }, 400);
  field(card, 'opds-password').value = 'short';
  await click(card, 'Set password');
  assert.equal(field(card, 'opds-password').value, 'short');
  assert.match(field(card, 'opds-password-status').textContent, /You have no OPDS password yet/);
  assert.ok(find(card, 'button', 'Set password'));
});