/**
 * ================================================================
 * E2E Test Utility Functions
 * ================================================================
 * Provides common assertion helpers and test data for Playwright E2E tests
 *
 * Usage:
 *   const { assertApiSuccess, assertApiError, authHeaders, getTestData } = require('./helpers/utils');
 *   const data = assertApiSuccess(response);
 *   await assertApiError(response, 'AUTH_FAILED', 'Invalid token');
 *   const headers = authHeaders(auth);
 *   const testData = getTestData();
 * ================================================================
 */

var BASE_URL = process.env.PW_BASE_URL || 'http://cfc.iwintrue.com';

/**
 * Assert API response indicates success
 * @param {APIResponse} response - Playwright APIResponse object
 * @param {number} expectedStatus - Expected HTTP status code (default: 200)
 * @returns {Promise<Object>} - Parsed response body data
 * @throws {Error} - If status or code is not as expected
 */
async function assertApiSuccess(response, expectedStatus) {
  if (expectedStatus === undefined) {
    expectedStatus = 200;
  }

  var status = response.status();
  if (status !== expectedStatus) {
    var body = await response.text();
    throw new Error('Expected HTTP status ' + expectedStatus + ' but got ' + status + '. Body: ' + body);
  }

  var body;
  try {
    body = await response.json();
  } catch (e) {
    var text = await response.text();
    throw new Error('Failed to parse JSON response: ' + text);
  }

  if (body.code !== 200) {
    throw new Error('Expected body.code === 200 but got ' + body.code + '. Message: ' + (body.message || 'N/A'));
  }

  return body.data;
}

/**
 * Assert API response indicates an error
 * @param {APIResponse} response - Playwright APIResponse object
 * @param {string} [expectedCode] - Optional expected error code
 * @param {string} [expectedMessage] - Optional expected error message substring
 * @throws {Error} - If response indicates success or doesn't match expected error
 */
async function assertApiError(response, expectedCode, expectedMessage) {
  var status = response.status();
  var body;
  try {
    body = await response.json();
  } catch (e) {
    var text = await response.text();
    throw new Error('Expected error response but failed to parse JSON: ' + text);
  }

  // Error responses typically have non-200 codes or body.code !== 200
  if (body.code === 200) {
    throw new Error('Expected error response but got success. Body: ' + JSON.stringify(body));
  }

  if (expectedCode !== undefined && body.code !== expectedCode) {
    throw new Error('Expected error code ' + expectedCode + ' but got ' + body.code + '. Message: ' + (body.message || 'N/A'));
  }

  if (expectedMessage !== undefined && body.message) {
    if (body.message.indexOf(expectedMessage) === -1) {
      throw new Error('Expected error message containing "' + expectedMessage + '" but got "' + body.message + '"');
    }
  }
}

/**
 * Build authorization headers from auth object
 * @param {Object} auth - Auth object with token property
 * @returns {Object} - Headers object with Authorization and Content-Type
 */
function authHeaders(auth) {
  return {
    Authorization: 'Bearer ' + auth.token,
    'Content-Type': 'application/json'
  };
}

/**
 * Get test data with all seed data IDs
 * @returns {Object} - Object containing all test user IDs and family IDs
 */
function getTestData() {
  return {
    parentUserId: 1002,
    childUserId: 1003,
    child2UserId: 1004,
    teacherUserId: 1005,
    nutritionistUserId: 1006,
    butlerUserId: 1007,
    assessorUserId: 1008,
    adminUserId: 1001,
    vendorUserId: 1009,
    familyId: 2001,
    family2Id: 2002
  };
}

// ================================================================
// Module exports (CommonJS)
// ================================================================

module.exports = {
  assertApiSuccess: assertApiSuccess,
  assertApiError: assertApiError,
  authHeaders: authHeaders,
  getTestData: getTestData,
  BASE_URL: BASE_URL
};