const { expect } = require('@playwright/test');

const ADMIN_EMAIL = process.env.CRANK_E2E_ADMIN_EMAIL || 'owner@crank.local';
const ADMIN_PASSWORD = process.env.CRANK_E2E_ADMIN_PASSWORD || 'change-me-admin-password';

function localized(en, ru) {
  return new RegExp(`(?:${en}|${ru})`, 'i');
}

async function login(page) {
  await page.goto('/login');
  await expect(page.locator('#login-form')).toBeVisible();
  await page.locator('#email').fill(ADMIN_EMAIL);
  await page.locator('#password').fill(ADMIN_PASSWORD);
  await page.locator('.btn-signin').click();
  await expect(page).toHaveURL(/\/$/);
  await expect(page.locator('.page-title, .page-heading').first()).toBeVisible();
}

async function browserJson(page, method, urlPath, body, okStatuses = [200]) {
  const response = await page.evaluate(async ({ method, urlPath, body }) => {
    const request = {
      method,
      credentials: 'same-origin',
      headers: {},
    };
    if (body !== undefined) {
      request.headers['Content-Type'] = 'application/json';
      request.body = JSON.stringify(body);
    }

    const result = await fetch(urlPath, request);
    const text = await result.text();
    let json = null;
    try {
      json = text ? JSON.parse(text) : null;
    } catch (_error) {
      json = null;
    }

    return {
      status: result.status,
      text,
      json,
    };
  }, { method, urlPath, body });

  if (!okStatuses.includes(response.status)) {
    throw new Error(`HTTP ${response.status} ${urlPath}: ${response.text}`);
  }

  return response.json;
}

async function getSession(page) {
  return browserJson(page, 'GET', '/api/auth/session');
}

async function getCurrentWorkspace(page) {
  const session = await getSession(page);
  const workspaceId = session.current_workspace_id
    || (session.memberships && session.memberships[0] && session.memberships[0].workspace.id);
  const membership = (session.memberships || []).find((item) => item.workspace.id === workspaceId)
    || (session.memberships || [])[0];
  return membership ? membership.workspace : null;
}

async function createAgent(page, workspaceId, payload) {
  return browserJson(
    page,
    'POST',
    `/api/admin/workspaces/${encodeURIComponent(workspaceId)}/agents`,
    payload,
  );
}

function uniqueName(prefix) {
  return `${prefix}_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`;
}

module.exports = {
  ADMIN_EMAIL,
  ADMIN_PASSWORD,
  browserJson,
  createAgent,
  getCurrentWorkspace,
  getSession,
  localized,
  login,
  uniqueName,
};