<?php

namespace App\Http\Controllers\Tabulation;

use App\Actions\Tabulation\CalculateAuditionScores;
use App\Actions\Tabulation\RankAuditionEntries;
use App\Http\Controllers\Controller;
use App\Models\Audition;
use App\Models\EntryFlag;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;

use function is_null;

class AdvancementController extends Controller
{
    public function status()
    {
        // Total auditions scores if we haven't done it lately
        if (! Cache::has('advancement_status_audition_totaler_throttle')) {
            $lock = Cache::lock('advancement_status_audition_totaler_lock');

            if ($lock->get()) {
                try {
                    $totaler = app(CalculateAuditionScores::class);
                    foreach (Audition::forAdvancement()->with('judges')->get() as $audition) {
                        $totaler($audition);
                    }

                    // set throttle
                    Cache::put('advancement_status_audition_totaler_throttle', true, 15);
                } finally {
                    $lock->release();
                }
            }
        }

        $auditions = Audition::forAdvancement()
            ->with('flags')
            ->withCount([
                'entries' => function ($query) {
                    $query->where('for_advancement', true);
                },
            ])
            ->withCount([
                'unscoredEntries' => function ($query) {
                    $query->where('for_advancement', true);
                },
            ])
            ->orderBy('score_order')
            ->get();

        $auditionData = [];
        $auditions->each(function (Audition $audition) use (&$auditionData) {
            $auditionData[] = [
                'id' => $audition->id,
                'name' => $audition->name,
                'entries_count' => $audition->entries_count,
                'unscored_entries_count' => $audition->unscored_entries_count,
                'scored_entries_count' => $audition->entries_count - $audition->unscored_entries_count,
                'scored_percentage' => $audition->entries_count > 0 ? ((($audition->entries_count - $audition->unscored_entries_count) / $audition->entries_count) * 100) : 0,
                'scoring_complete' => $audition->unscored_entries_count === 0,
                'published' => $audition->hasFlag('advancement_published'),
            ];
        });

        return view('tabulation.advancement.status', compact('auditionData'));
    }

    public function ranking(Request $request, Audition $audition)
    {
        $ranker = app(RankAuditionEntries::class);
        $entries = $ranker($audition, 'advancement');
        $entries->load(['advancementVotes', 'totalScore', 'student.school']);

        $unscoredEntries = $audition->entries()->where('for_advancement', true)->orderBy('draw_number')->get()->filter(function ($entry) {
            return ! $entry->totalScore && ! $entry->hasFlag('no_show');
        });

        $noShowEntries = $audition->entries()->orderBy('draw_number')->get()->filter(function ($entry) {
            return $entry->hasFlag('no_show');
        });

        $scoringComplete = $audition->entries->where('for_advancement', true)->every(function ($entry) {
            return $entry->totalScore || $entry->hasFlag('no_show');
        });

        return view('tabulation.advancement.ranking', compact('audition', 'entries', 'scoringComplete', 'unscoredEntries', 'noShowEntries'));
    }

    public function setAuditionPassers(Request $request, Audition $audition)
    {

        $passingEntries = $request->input('pass');
        if (is_null($passingEntries) || count($passingEntries) < 1) {
            return redirect()->route('advancement.ranking', ['audition' => $audition->id])->with('error',
                'Cannot publish advancement if no entries advance');
        }

        $audition->addFlag('advancement_published');
        if (! is_null($passingEntries)) {
            $passEntries = collect(array_keys($passingEntries));
            EntryFlag::insert(
                $passEntries
                    ->map(fn ($entryId) => [
                        'entry_id' => $entryId,
                        'flag_name' => 'will_advance',
                        'created_at' => now(),
                        'updated_at' => now(),
                    ])->toArray()
            );

        }
        Cache::forget('audition'.$audition->id.'advancement');
        Cache::forget('publicResultsPage');
        Cache::forget('rank_advancement_'.$audition->id);

        return redirect()->route('advancement.ranking', ['audition' => $audition->id])->with('success',
            'Passers have been set successfully');
    }

    public function clearAuditionPassers(Request $request, Audition $audition)
    {
        $audition->removeFlag('advancement_published');
        $audition->entries
            ->filter(fn ($entry) => $entry->hasFlag('will_advance'))
            ->each(fn ($entry) => $entry->removeFlag('will_advance'));

        Cache::forget('audition'.$audition->id.'advancement');
        Cache::forget('publicResultsPage');

        return redirect()->route('advancement.ranking', ['audition' => $audition->id])->with('success',
            'Passers have been cleared successfully');
    }
}