<?php

namespace App\Http\Controllers\Tabulation;

use App\Actions\Entries\DoublerDecision;
use App\Actions\Tabulation\CalculateEntryScore;
use App\Actions\Tabulation\GetAuditionSeats;
use App\Actions\Tabulation\RankAuditionEntries;
use App\Exceptions\AuditionAdminException;
use App\Http\Controllers\Controller;
use App\Models\Audition;
use App\Services\AuditionService;
use App\Services\DoublerService;
use App\Services\EntryService;
use Illuminate\Http\Request;

use function redirect;

class SeatAuditionFormController extends Controller
{
    protected CalculateEntryScore $calc;

    protected DoublerService $doublerService;

    protected RankAuditionEntries $ranker;

    protected EntryService $entryService;

    protected AuditionService $auditionService;

    protected DoublerDecision $decider;

    public function __construct(
        CalculateEntryScore $calc,
        RankAuditionEntries $ranker,
        DoublerService $doublerService,
        EntryService $entryService,
        AuditionService $auditionService,
        DoublerDecision $decider,
    ) {
        $this->calc = $calc;
        $this->ranker = $ranker;
        $this->doublerService = $doublerService;
        $this->entryService = $entryService;
        $this->auditionService = $auditionService;
        $this->decider = $decider;
    }

    public function __invoke(Request $request, Audition $audition)
    {
        // If a seating proposal was posted, deal wth it
        if ($request->method() == 'POST' && $request->input('ensembleAccept')) {
            $requestedEnsembleAccepts = $request->input('ensembleAccept');
        } else {
            $requestedEnsembleAccepts = false;
        }

        // Deal with a mass no-show request
        if ($request->input('mass-no-show')) {
            $entries = $audition->entries()->forSeating()->withCount('scoreSheets')->with('flags')->get();
            foreach ($entries as $entry) {
                if ($entry->scoreSheets_count == 0 && ! $entry->hasFlag('no_show')) {
                    $entry->addFlag('no_show');
                }
            }

        }

        $entryData = [];
        $entries = $this->ranker->rank('seating', $audition);

        // Deal with mass decline doubler request
        if ($request->input('decline-below')) {
            $changes_made = false;
            foreach ($entries as $entry) {
                $doublerData = $this->doublerService->entryDoublerData($entry);
                if ($doublerData && ! $entry->hasFlag('declined') && $entry->rank > $request->input('decline-below')) {
                    try {
                        $this->decider->decline($entry);
                        $changes_made = true;
                    } catch (AuditionAdminException $e) {
                        return redirect()->back()->with('error', $e->getMessage());
                    }
                }
            }
            if ($changes_made) {
                return redirect()->back();
            }
        }

        $entries->load('student.school');
        $entries->load('student.doublerRequests');
        $seatable = [
            'allScored' => true,
            'doublersResolved' => true,
        ];
        foreach ($entries as $entry) {
            $totalScoreColumn = 'No Score';
            $fullyScored = false;
            if ($entry->score_totals) {
                $totalScoreColumn = $entry->score_totals[0] >= 0 ? $entry->score_totals[0] : $entry->score_message;
                $fullyScored = $entry->score_totals[0] >= 0;
            }
            // No Shows are fully scored
            if ($entry->hasFlag('no_show')) {
                $fullyScored = true;
            }
            $doublerData = $this->doublerService->entryDoublerData($entry);

            $entryData[] = [
                'rank' => $entry->rank,
                'id' => $entry->id,
                'studentName' => $entry->student->full_name(),
                'schoolName' => $entry->student->school->name,
                'drawNumber' => $entry->draw_number,
                'totalScore' => $totalScoreColumn,
                'fullyScored' => $fullyScored,
                'doubleData' => $doublerData,
                'doublerRequest' => $entry->student->doublerRequests()->where('event_id',
                    $audition->event_id)->first()?->request,
            ];
            // If this entries double decision isn't made, block seating
            if ($doublerData && $doublerData[$entry->id]['status'] == 'undecided') {
                $seatable['doublersResolved'] = false;
            }
            // If entry is unscored, block seating
            if (! $fullyScored) {
                $seatable['allScored'] = false;
            }
        }

        $rightPanel = $this->pickRightPanel($audition, $seatable);
        $seatableEntries = [];
        if ($seatable['doublersResolved'] && $seatable['allScored']) {
            $seatableEntries = $entries->reject(function ($entry) {
                if ($entry->hasFlag('declined')) {
                    return true;
                }
                if ($entry->hasFlag('no_show')) {
                    return true;
                }
                if ($entry->hasFlag('failed_prelim')) {
                    return true;
                }

                return false;
            });
        }

        return view('tabulation.auditionSeating',
            compact('entryData', 'audition', 'rightPanel', 'seatableEntries', 'requestedEnsembleAccepts'));
    }

    protected function pickRightPanel(Audition $audition, array $seatable)
    {
        if ($audition->hasFlag('seats_published')) {
            $resultsWindow = new GetAuditionSeats;
            $rightPanel['view'] = 'tabulation.auditionSeating-show-published-seats';
            $rightPanel['data'] = $resultsWindow($audition);

            return $rightPanel;
        }
        if ($seatable['allScored'] == false || $seatable['doublersResolved'] == false) {
            $rightPanel['view'] = 'tabulation.auditionSeating-unable-to-seat-card';
            $rightPanel['data'] = $seatable;

            return $rightPanel;
        }

        $rightPanel['view'] = 'tabulation.auditionSeating-right-complete-not-published';
        $rightPanel['data'] = $this->auditionService->getSeatingLimits($audition);

        return $rightPanel;
    }
}