<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\Direction;
use App\Models\EntranceExamination;
use Illuminate\Http\Request;
use function _PHPStan_cc8d35ffb\React\Promise\map;

class CalculatorController extends Controller
{
    public function findDirectionFromSubjects(Request $request)
    {
        $getsSubjects = $request->input();
        $countUserSubjects = count($getsSubjects);
//        $entranceExamination = EntranceExamination::all()
//                        ->whereIn('subject_id', $result)
//            ->where('subject_type_id','=',1)
//            ->select('subject_id','direction_id')
//            ->whereIn('subject_id', $result)
//            ->groupBy('direction_id')

//            ->toArray();
//        dd($entranceExamination);
//        $directions = Direction::all();
        $findIds = EntranceExamination::all()
            ->select("direction_id", "subject_id")
            ->groupBy('direction_id')
            ->map(function ($direction) {
                return $direction->map(fn($item) => $item['subject_id']);
            })
            ->filter(fn ($direction) => count($direction) <= $countUserSubjects)
            ->keys();
        $directions = Direction::whereIn('id', $findIds)->get();
        return response()->json($directions);
    }
}