import assert from 'node:assert/strict';
import test from 'node:test';
import { normalizePageAccessPolicy } from './page-access-policy.mjs';
import {
  buildEffectiveDatasetForRole,
  resolveRowAccessScope,
  resolveVisitorRole,
  roleAllowsAction,
} from './page-access-visitor.mjs';

test('resolveVisitorRole maps owner, assigned visitors and defaults', () => {
  const policy = normalizePageAccessPolicy({
    pageId: 'page-1',
    ownerUserId: 'owner-1',
    accessMode: 'login_required',
    defaultVisitorRole: 'deny',
    visitors: { 'editor-1': 'editor', 'viewer-1': 'viewer' },
    datasets: {},
  });
  assert.equal(resolveVisitorRole(policy, 'owner-1'), 'owner');
  assert.equal(resolveVisitorRole(policy, 'editor-1'), 'editor');
  assert.equal(resolveVisitorRole(policy, 'viewer-1'), 'viewer');
  assert.equal(resolveVisitorRole(policy, 'stranger-1'), null);
});

test('buildEffectiveDatasetForRole intersects dataset and role permissions', () => {
  const effective = buildEffectiveDatasetForRole(
    {
      name: 'tasks',
      table: 'tasks',
      actions: ['read', 'insert', 'update', 'soft_delete'],
      columns: {
        read: ['id', 'title'],
        insert: ['title'],
        update: ['title'],
        soft_delete: ['id'],
      },
    },
    {
      read: true,
      insert: true,
      update: true,
      softDelete: true,
      columns: {
        read: ['id', 'title'],
        insert: ['title'],
        update: ['title'],
      },
    },
    { read: true, insert: false, update: false, softDelete: false },
  );
  assert.deepEqual(effective.actions, ['read']);
  assert.equal(roleAllowsAction({ read: true, insert: false }, 'insert'), false);
});

test('resolveRowAccessScope enforces own_rows and owner_only', () => {
  const ownRows = resolveRowAccessScope(
    { scope: 'own_rows', ownerColumn: 'created_by_user_id' },
    {
      visitorRole: 'editor',
      visitorUserId: 'user-a',
      ownerUserId: 'owner-1',
      tableColumns: [{ name: 'created_by_user_id' }],
    },
  );
  assert.match(ownRows.whereClause, /created_by_user_id/);
  assert.match(ownRows.whereClause, /user-a/);

  const ownerBypass = resolveRowAccessScope(
    { scope: 'own_rows', ownerColumn: 'created_by_user_id' },
    {
      visitorRole: 'owner',
      visitorUserId: 'owner-1',
      ownerUserId: 'owner-1',
      tableColumns: [{ name: 'created_by_user_id' }],
    },
  );
  assert.equal(ownerBypass.whereClause, null);

  assert.throws(
    () =>
      resolveRowAccessScope(
        { scope: 'owner_only', ownerColumn: 'created_by_user_id' },
        {
          visitorRole: 'editor',
          visitorUserId: 'user-a',
          ownerUserId: 'owner-1',
          tableColumns: [],
        },
      ),
    (error) => error.code === 'row_not_allowed',
  );
});