const test = require('node:test');
const assert = require('node:assert/strict');

require('../src/common');

const pages = require('../src/web/pages');
const registerViewAsRoutes = require('../src/web/routes/settings/view-as');
const renderUsersPage = require('../src/web/routes/settings/users/list');
const renderUsersEditPage = require('../src/web/routes/settings/users/edit');
const renderRssFeedEditPage = require('../src/web/routes/data-sources/rss-feeds/edit');
const renderWeatherLocationEditPage = require('../src/web/routes/data-sources/weather/edit');
const { hasAssignedPermission, hasPermission, PERMISSIONS } = require('../src/rbac');

test('preview permission is Impersonate > Allow and read-only execution stays denied', () => {
  const permission = PERMISSIONS.find(function (item) { return item.key === 'impersonate.allow'; });
  assert.ok(permission);
  assert.equal(permission.resourceName, 'Impersonate');
  assert.equal(permission.actionName, 'Allow');
  assert.ok(!PERMISSIONS.some(function (item) {
    return item.key === 'users.allow' || item.key === 'users.impersonate' || item.key === 'dashboard.allow';
  }));

  const previewUser = { isViewingAs: true, permissionKeys: ['clients.allow'] };
  assert.equal(hasAssignedPermission(previewUser, 'clients.allow'), true);
  assert.equal(hasPermission(previewUser, 'clients.allow'), false);
  assert.equal(hasPermission({ permissionKeys: ['clients.allow'] }, 'clients.allow'), true);
});

test('View as is on the user edit footer, not the Users table', () => {
  const user = { id: 19, name: 'Screen operator', username: 'operator', roleNames: 'Operators' };
  const administrator = { id: 7, permissionKeys: ['users.read', 'impersonate.allow'] };
  const adminPage = renderUsersPage({ users: [user] }, '', administrator);
  const editPage = renderUsersEditPage(user, '', administrator, [], []);
  const previewPage = renderUsersPage({ users: [user] }, '', Object.assign({}, administrator, { isViewingAs: true }));
  const previewEditPage = renderUsersEditPage(user, '', Object.assign({}, administrator, { isViewingAs: true }), [], []);

  assert.doesNotMatch(adminPage, /view-as/);
  assert.match(editPage, /form="view-as-user-form"/);
  assert.match(editPage, /<form id="view-as-user-form" method="post" action="\/settings\/users\/19\/view-as"/);
  assert.ok(editPage.indexOf('View as') < editPage.indexOf('Profile actions'));
  assert.doesNotMatch(previewPage, /action="\/settings\/users\/19\/view-as"/);
  assert.doesNotMatch(previewEditPage, /view-as-user-form/);
});

test('view-as banner identifies both users and keeps an exit control on regular and error pages', () => {
  const previewUser = {
    id: 19,
    name: 'Screen operator',
    username: 'operator',
    isViewingAs: true,
    authenticatedUser: { id: 7, name: 'Administrator', username: 'admin' }
  };

  const regularPage = pages.renderAboutPage(previewUser);
  const errorPage = pages.renderErrorPage({ statusCode: 403 }, previewUser);

  [regularPage, errorPage].forEach(function (html) {
    assert.match(html, /Read-only preview/);
    assert.match(html, /Screen operator/);
    assert.match(html, /signed in as Administrator/);
    assert.match(html, /action="\/settings\/view-as\/stop"/);
    assert.match(html, /class="btn btn-sm btn-dark"/);
    assert.doesNotMatch(html, /btn-outline-dark/);
  });
});

test('view-as start and stop routes audit the authenticated administrator', async () => {
  const handlers = {};
  const permissionKeys = [];
  const auditEvents = [];
  const helperCalls = [];
  const app = {
    post(path, ...routeHandlers) {
      handlers[path] = routeHandlers;
    }
  };
  const administrator = {
    id: 7,
    name: 'Administrator',
    username: 'admin',
    permissionKeys: ['users.read', 'impersonate.allow']
  };

  registerViewAsRoutes(app, {
    pool: {
      async query(sql, params) {
        assert.match(sql, /FROM a_users/);
        assert.deepEqual(params, [19]);
        return [[{ id: 19, name: 'Screen operator', username: 'operator' }]];
      }
    },
    requirePermission(permissionKey) {
      permissionKeys.push(permissionKey);
      return function (_req, _res, next) { next(); };
    },
    async startViewAsUser(_pool, _req, actorId, targetId) {
      helperCalls.push(['start', actorId, targetId]);
      return true;
    },
    async stopViewAsUser(_pool, _req, actorId) {
      helperCalls.push(['stop', actorId]);
      return true;
    },
    async recordRequestAuditEvent(_pool, _req, event) {
      auditEvents.push(event);
    }
  });

  const startResponse = {
    redirect(path) { this.redirectedTo = path; },
    status(statusCode) { this.statusCode = statusCode; return this; },
    send(body) { this.body = body; return this; },
    sendStatus(statusCode) { this.statusCode = statusCode; return this; }
  };
  await handlers['/settings/users/:id/view-as'][2]({
    params: { id: '19' },
    authenticatedUser: administrator,
    currentUser: administrator
  }, startResponse, (error) => { throw error; });

  const stopResponse = {
    redirect(path) { this.redirectedTo = path; },
    status(statusCode) { this.statusCode = statusCode; return this; },
    send(body) { this.body = body; return this; }
  };
  await handlers['/settings/view-as/stop'][0]({
    authenticatedUser: administrator,
    currentUser: { id: 19, username: 'operator', isViewingAs: true }
  }, stopResponse, (error) => { throw error; });

  assert.deepEqual(permissionKeys, ['users.read', 'impersonate.allow']);
  assert.deepEqual(helperCalls, [['start', 7, 19], ['stop', 7]]);
  assert.deepEqual(auditEvents.map(function (event) { return event.actorUserId; }), [7, 7]);
  assert.deepEqual(auditEvents.map(function (event) { return event.eventType; }), ['user.view_as_started', 'user.view_as_stopped']);
  assert.equal(startResponse.redirectedTo, '/dashboard');
  assert.equal(stopResponse.redirectedTo, '/settings/users');
});

test('RSS and weather refresh actions stay visible but disabled when authorized previewing', () => {
  const rssPage = renderRssFeedEditPage({ id: 31, name: 'Feed', enabled: 1 }, {}, '', {
    isViewingAs: true,
    permissionKeys: ['rss-feeds.update', 'rss-feeds.allow']
  });
  const weatherPage = renderWeatherLocationEditPage({ id: 12, name: 'Forecast', enabled: 1 }, '', {
    isViewingAs: true,
    permissionKeys: ['weather.update', 'weather.allow']
  });

  assert.match(rssPage, /data-manual-refresh-url="\/data-sources\/rss-feeds\/31\/refresh"[^>]*disabled/);
  assert.match(rssPage, /data-async-data-source-toggle[^>]*disabled/);
  assert.match(weatherPage, /data-weather-refresh-url="\/data-sources\/weather\/12\/refresh"[^>]*disabled/);
  assert.match(weatherPage, /data-async-data-source-toggle[^>]*disabled/);
});