import { Given, When, Then, Before } from '@cucumber/cucumber';
import { expect } from 'chai';

// Shared state (simulating useState behavior)
const sharedState = { pageName: '' };

// Simple mock of usePageTitle behavior for Cucumber tests
// This simulates the useState() sharing behavior
const createPageTitleMock = () => {
  return {
    get title() {
      return {
        get value() {
          return sharedState.pageName.length > 0 ? `${sharedState.pageName} - Tímmál` : 'Tímmál';
        },
      };
    },
    get pageName() {
      return {
        get value() {
          return sharedState.pageName;
        },
      };
    },
    setPageName(newName) {
      sharedState.pageName = newName;
    },
  };
};

// Instance for step definitions
let pageTitleInstance;
const userInstances = new Map();

Before(function () {
  // Reset shared state before each scenario
  sharedState.pageName = '';
  userInstances.clear();
  pageTitleInstance = null;
});

Given('the page title system is initialized', function () {
  pageTitleInstance = createPageTitleMock();
  pageTitleInstance.setPageName('');
});

When('I first load the application', function () {
  pageTitleInstance = createPageTitleMock();
});

When('I navigate to the {string} page', function (pageName) {
  if (!pageTitleInstance) {
    pageTitleInstance = createPageTitleMock();
  }
  pageTitleInstance.setPageName(pageName);
});

When('I clear the page name', function () {
  pageTitleInstance.setPageName('');
});

Given('I am on the {string} page', function (pageName) {
  if (!pageTitleInstance) {
    pageTitleInstance = createPageTitleMock();
  }
  pageTitleInstance.setPageName(pageName);
});

Given('the page title is {string}', function (expectedTitle) {
  expect(pageTitleInstance.title.value).to.equal(expectedTitle);
});

Given('user {string} sets the page name to {string}', function (userName, pageName) {
  let userInstance = userInstances.get(userName);
  if (!userInstance) {
    userInstance = createPageTitleMock();
    userInstances.set(userName, userInstance);
  }
  userInstance.setPageName(pageName);
});

When('user {string} checks the page title', function (userName) {
  let userInstance = userInstances.get(userName);
  if (!userInstance) {
    userInstance = createPageTitleMock();
    userInstances.set(userName, userInstance);
  }
});

Then('the page title should be {string}', function (expectedTitle) {
  expect(pageTitleInstance.title.value).to.equal(expectedTitle);
});

Then('user {string} should see {string}', function (userName, expectedTitle) {
  const userInstance = userInstances.get(userName);
  expect(userInstance).to.not.be.undefined;
  expect(userInstance.title.value).to.equal(expectedTitle);
});