apex to accompany the google page speed lwc

GoogleAPIService.cls

public with sharing class GoogleAPIService {
  @AuraEnabled
  public static String sendPayloadToApex(String theData) {
    GoogleAPI_PageSpeedInsights_resp res = GoogleAPI_PageSpeedInsights_resp.parse(
      theData
    );
    return JSON.serialize(res);
  }
 
  
  public static final string DEVELOPER_TOKEN = '';
  public static final string LOGIN_CUSTOMER_ID = 'ENTER';
  public static final string API_KEY = 'ENTER';
  public static final string CUSTOM_SEARCH_ID = 'ENTER';
  public static final string NAMED_CREDENTIAL_GOOGLE_ADS = 'Google_Drive_Files_Export';
  public static final string NAMED_CREDENTIAL_GOOGLE_DRIVE = '4b2f49502adf4a81f';
  public static String endpointCustomSearch = '?cx={0}&q={1}&start={2}';
  public static String endpointTenor = 'https://tenor.googleapis.com/v2/search?key={0}&q={1}&limit={2}&client_key={3}';
  public static String endpointSearchConsole = 'https://searchconsole.googleapis.com/v1/urlTestingTools/mobileFriendlyTest:run?key={0}';
  public static String endPointPageSpeedInsights = 'https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url={0}?key={1}';
  public static String endpointSearchConsoleLegacy = '/sites/{0}/searchAnalytics/query';

  public enum ENDPOINT_TYPES {
    CUSTOM_SEARCH,
    TENOR,
    GOOGLE_ADS,
    GOOGLE_SUGGEST,
    GOOGLE_SEARCH_CONSOLE,
    GOOGLE_SEARCH_CONSOLE_LEGACY,
    GOOGLE_PAGESPEED_INSIGHTS
  }
 
  public static Map<String, String> buildHeaders(
    String contentType,
    String developerToken,
    String loginCustomerId,
    String authorization
  ) {
    return new Map<String, String>{
      'Content-Type' => contentType,
      'developer-token' => developerToken,
      'login-customer-id' => '3399365278',
      'Authorization' => authorization
    };
  }

  public static String doGoogleCalloutNamedCredentials(
    String namedCredential,
    String theSeedKeyword,
    Map<String, String> headers,
    Boolean hasBody,
    Integer startIndex
  ) {
    // prepare request body when needed
    GoogleAPI_generateKeywordIdeas_req theReq;
    String endpointTransposed = '';
    Integer theTimeout = 120000;
    String requestBodyString = '';

    HttpRequest httpReq = new HttpRequest();
    HttpResponse httpRes = new HttpResponse();

    if (namedCredential == 'Google_API_Ads') {
      httpReq.setHeader('developer-token', 'WnCBhF3hBoT5doT5c0xswA');
      httpReq.setHeader('login-customer-id', '3399365278');
      httpReq.setHeader('Content-Type', 'application/json');
      httpReq.setMethod('POST');

      theReq = new GoogleAPI_generateKeywordIdeas_req(
       );
      endpointTransposed = getEndpointURL(
        ENDPOINT_TYPES.GOOGLE_ADS,
        new Map<String, String>{ 'login-customer-id' => LOGIN_CUSTOMER_ID }
      );
      httpReq.setBody(JSON.serialize(theReq, true));
      httpReq.setHeader(
        'Content-Length',
        String.valueOf(JSON.serialize(theReq).length())
      );
      httpReq.setEndpoint('callout:' + namedCredential + endpointTransposed);
      //requestBodyString = theReq.getRequestBody(theSeedKeyword);
    } else if (namedCredential == 'Google_API_CloudSearch') {
      httpReq.setMethod('GET');
      httpReq.setHeader('Authorization', '{$Credential.OAuthToken}');
      httpReq.setHeader('Content-Type', 'application/json');

      endpointTransposed = getEndpointURL(
        ENDPOINT_TYPES.CUSTOM_SEARCH,
        new Map<String, String>{
          'query' => theSeedKeyword,
          'startIndex' => String.valueOf(startIndex)
        }
      );
    }
    httpReq.setEndpoint('callout:' + namedCredential + endpointTransposed);

    httpReq.setTimeout(theTimeout);
    httpRes = (new Http()).send(httpReq);

    String theResponseBody = httpRes.getBody();
    return theResponseBody;
  }

  @AuraEnabled
  public static GoogleAPI_PageSpeedInsights_resp doGooglePageSpeedInsightsCallout(
    String theURL
  ) {
    String theURLEncoded = getEndpointURL(
      ENDPOINT_TYPES.GOOGLE_PAGESPEED_INSIGHTS,
      new Map<String, String>{ 'theSiteURL' => 'qqb.com' }
    );
    Http http = new Http();
    HttpRequest httpReq = new HttpRequest();
    HttpResponse httpRes = new HttpResponse();
    httpReq.setEndpoint(theURLEncoded);
    httpReq.setHeader('Content-Type', 'application/json');
    httpReq.setMethod('GET');
    httpReq.setTimeout(120000);
    httpRes = (new Http()).send(httpReq);
    String theRespJSON = httpRes.getBody();
  //system.debug(theRespJSON);
    theRespJSON = theRespJSON.replaceAll('group', 'groupp');
    GoogleAPI_PageSpeedInsights_resp resp = GoogleAPI_PageSpeedInsights_resp.parse(
      theRespJSON
    );
    //GoogleAPI_Tenor_search_resp theResponse = (GoogleAPI_Tenor_search_resp) JSON.deserialize(
    // theRespJSON,
    //GoogleAPI_Tenor_search_resp.class
    //);
    return resp;
  }

  @AuraEnabled
  public static GoogleAPI_SearchConsoleLegacy_resp doLegacyGoogleSearchConsoleCallout() {
    String theURLEncoded = getEndpointURL(
      ENDPOINT_TYPES.GOOGLE_SEARCH_CONSOLE_LEGACY,
      new Map<String, String>{ 'theSiteURL' => 'qqb.com' }
    );
    Http http = new Http();
    HttpRequest httpReq = new HttpRequest();
    HttpResponse httpRes = new HttpResponse();
    httpReq.setEndpoint('callout:Google_Search_Console' + theURLEncoded);
    httpReq.setHeader('Content-Type', 'application/json');
    httpReq.setMethod('POST');
    httpReq.setBody(
      JSON.serialize(
        new GoogleAPI_SearchConsoleLegacy_req(
          '2022-06-01',
          '2022-07-21',
          new List<String>{ 'country', 'device' }
        )
      )
    );

    httpReq.setTimeout(120000);
    httpRes = (new Http()).send(httpReq);
    String theRespJSON = httpRes.getBody();
  //system.debug(theRespJSON);
    GoogleAPI_SearchConsoleLegacy_resp resp = GoogleAPI_SearchConsoleLegacy_resp.parse(
      theRespJSON
    );
    //GoogleAPI_Tenor_search_resp theResponse = (GoogleAPI_Tenor_search_resp) JSON.deserialize(
    // theRespJSON,
    //GoogleAPI_Tenor_search_resp.class
    //);
    return resp;
  }

  public static String getEndpointURL(
    ENDPOINT_TYPES endPoint,
    Map<String, String> paramsMap
  ) {
    String theURL = '';
    String theSiteURL = paramsMap.get('theSiteURL');
    String theQueryString = paramsMap.get('query') != null
      ? EncodingUtil.urlEncode(paramsMap.get('query'), 'UTF-8')
      : '';

    //if (theQueryString != '' && theQueryString != null){
    switch on endPoint {
 
      when GOOGLE_PAGESPEED_INSIGHTS {
        theURL = endPointPageSpeedInsights;
        String[] pathParams = new List<String>{
          EncodingUtil.urlEncode(theSiteURL, 'UTF-8'),
          API_KEY
        };
        theURL = String.format(theURL, pathParams);
      }
      when else {
      }
    }

    // }

    return theURL;
  }
 
}