<?php

namespace App\Http\Controllers;

use App\Models\Entry;
use App\Models\Seat;
use App\Services\AuditionService;
use App\Services\SeatingService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;

class ResultsPage extends Controller
{
    protected $auditionService;

    protected $seatingService;

    public function __construct(AuditionService $auditionService, SeatingService $seatingService)
    {
        $this->auditionService = $auditionService;
        $this->seatingService  = $seatingService;
    }

    /**
     * Handle the incoming request.
     */
    public function __invoke(Request $request)
    {
        $publishedAuditions = $this->auditionService->getPublishedAuditions();
        $resultsSeatList = Cache::rememberForever('resultsSeatList', function () use ($publishedAuditions) {
            $seatList = [];
            // Load the $seatList in the form of $seatlist[audition_id] is an array of seats for that audition
            // each $seatList[audition_id][] will contain a string with ensemble and seat number and the student object filling it
            foreach ($publishedAuditions as $audition) {
                $seats = $this->seatingService->getSeatsForAudition($audition->id);
                $ensembles = $this->seatingService->getEnsemblesForEvent($audition->event_id);
                foreach ($ensembles as $ensemble) {
                    if (! $seats->has($ensemble->id)) { // If there are no students seated in this ensemble, skip it
                        continue;
                    }
                    foreach ($seats[$ensemble->id] as $seat) {
                        /** @var Seat $seat */
                        $seatList[$audition->id][] = [
                            'seat' => $ensemble->name.' '.$seat->seat,
                            'student' => $seat->entry->student,
                        ];
                    }
                }
            }

            return $seatList;
        });

        $publishedAdvancementAuditions = $this->auditionService->getPublishedAdvancementAuditions();
        $resultsAdvancementList = Cache::rememberForever('resultsAdvancementList', function () use ($publishedAdvancementAuditions) {
            $qualifierList = [];
            foreach ($publishedAdvancementAuditions as $audition) {
                $qualifierList[$audition->id] = Entry::with('flags', 'student.school')
                    ->where('audition_id', $audition->id)
                    ->where('for_advancement', true)
                    ->get()->filter(function (Entry $entry) {
                        return $entry->hasFlag('will_advance');
                    })
                    ->sortBy(function (Entry $entry) {
                        return $entry->student->full_name(true);
                    });
            }

            return $qualifierList;
        });

        return view('results.index', compact('publishedAuditions', 'resultsSeatList', 'resultsAdvancementList', 'publishedAdvancementAuditions'));
    }
}