<?php  namespace App\Services\ClientSurveys;  use App\Models\Question; use App\Enums\QuestionType; use App\Models\ClientSurvey; use App\Enums\DomainLanguages; use Illuminate\Support\Collection; use App\Exports\ComparativeExcelDTO; use Maatwebsite\Excel\Facades\Excel; use App\Exports\ComparableReportExcel; use App\Http\Requests\GetComparativeReport; use App\Exports\ExportComparableStatisticExcel; use Symfony\Component\HttpFoundation\BinaryFileResponse;  class ExportComparativeExcelService { 	protected string $locale; 	protected array $filter_values = []; 	protected array $basic_reports = []; 	protected array $filtered_client_surveys = []; 	protected array $filter_quesitons_ids = []; 	protected int $total_applicants = 0; 	protected array $selected_client_survey_ids = [];  	public function __construct(private ClientSurveyService $client_survey_service, array $selected_client_survey_ids, private GetComparativeReport $request){}  	public static function filterSelectedSurveys(GetComparativeReport $request): array 	{ 		$request_filter_values = new Collection($request->comparative_surveys_filter);  		return array_keys($request_filter_values->where('selected_survey', '1')->toArray()); 	}  	public static function getQuestionAnswersWithTitleAndScore(Collection $questions_answers, ClientSurvey $client_survey, string $locale): array 	{ 		$questions_data = []; 		$questions = Question::whereIn('id', $questions_answers->pluck('id'))->with(['category', 'answers' => function ($query) use ($client_survey) { 			$query->where('client_survey_id', $client_survey->id); 		}])->get();  		foreach ($questions_answers as $key => $question_answer) { 			array_push($questions_data, [ 				'id' => $question_answer->getKey(), 				'title' => $questions[$key]->getTranslation('title', $locale), 				'code' => $questions[$key]->code, 				'category_name' => $questions[$key]->category->getTranslation('name', $locale), 				'answers' => $questions->where('id', $question_answer['id'])->first()->answers, 				'score' => $question_answer['answer_value_sum'], 			]); 		}  		return $questions_data; 	}  	public function exportComparableReportExcel(string $filename): BinaryFileResponse{}  	public function getBasicReportData(ClientSurvey $client_survey, array $applicant_ids): ComparativeExcelDTO{}  	public function getDemographicQuestionTitles(): Collection{}  	public function exportComparableStatisticReportExcel(string $filename): BinaryFileResponse{}  	public function getQuestionsDataForStatisticExcel(): array{} }