<?php

namespace App\Http\Controllers;

use App\Models\Audition;
use App\Models\Entry;
use App\Models\JudgeAdvancementVote;
use App\Models\ScoreSheet;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Gate;

use function compact;
use function redirect;
use function url;

class JudgingController extends Controller
{
    public function index()
    {
        $rooms = Auth::user()->judgingAssignments;
        $rooms->load('auditions');

        return view('judging.index', compact('rooms'));
    }

    public function auditionEntryList(Request $request, Audition $audition)
    {
        if ($request->user()->cannot('judge', $audition)) {
            return redirect()->route('judging.index')->with('error', 'You are not assigned to judge this audition');
        }
        $entries = Entry::where('audition_id', '=', $audition->id)->orderBy('draw_number')->with('audition')->get();
        $subscores = $audition->scoringGuide->subscores()->orderBy('display_order')->get();

        $votes = JudgeAdvancementVote::where('user_id', Auth::id())->get();
        $published = $audition->hasFlag('advancement_published') || $audition->hasFlag('seats_published');

        return view('judging.audition_entry_list', compact('audition', 'entries', 'subscores', 'votes', 'published'));
    }

    public function entryScoreSheet(Request $request, Entry $entry)
    {
        // Turn away users not assigned to judge this entry
        if ($request->user()->cannot('judge', $entry->audition)) {
            return redirect()->route('judging.index')->with('error', 'You are not assigned to judge this entry');
        }
        // Turn away users if the audition is published
        if ($entry->audition->hasFlag('seats_published') || $entry->audition->hasFlag('advancement_published')) {
            return redirect()->route('judging.auditionEntryList', $entry->audition)->with('error',
                'Scores for entries in published auditions cannot be modified');
        }
        // Turn away users if the entry is flagged as a no-show
        if ($entry->hasFlag('no_show')) {
            return redirect()->route('judging.auditionEntryList', $entry->audition)->with('error',
                'The requested entry is marked as a no-show. Scores cannot be entered.');
        }
        $oldSheet = ScoreSheet::where('user_id', Auth::id())->where('entry_id', $entry->id)->value('subscores') ?? null;
        $oldVote = JudgeAdvancementVote::where('user_id', Auth::id())->where('entry_id', $entry->id)->first();
        $oldVote = $oldVote ? $oldVote->vote : 'noVote';

        return view('judging.entry_score_sheet', compact('entry', 'oldSheet', 'oldVote'));
    }

    public function saveScoreSheet(Request $request, Entry $entry)
    {
        if ($request->user()->cannot('judge', $entry->audition)) {
            abort(403, 'You are not assigned to judge this entry');
        }
        // TODO extract to a service class
        $scoringGuide = $entry->audition->scoringGuide()->with('subscores')->first();
        $scoreValidation = $scoringGuide->validateScores($request->input('score'));
        if ($scoreValidation != 'success') {
            return redirect(url()->previous())->with('error', $scoreValidation)->with('oldScores', $request->all());
        }
        $scoreSheetArray = [];
        foreach ($scoringGuide->subscores as $subscore) {
            $scoreSheetArray[$subscore->id] = [
                'score' => $request->input('score')[$subscore->id],
                'subscore_id' => $subscore->id,
                'subscore_name' => $subscore->name,
            ];
        }

        ScoreSheet::create([
            'user_id' => Auth::user()->id,
            'entry_id' => $entry->id,
            'subscores' => $scoreSheetArray,
        ]);

        $this->advancementVote($request, $entry);

        return redirect('/judging/audition/'.$entry->audition_id)->with('success',
            'Entered scores for '.$entry->audition->name.' '.$entry->draw_number);

    }

    public function updateScoreSheet(Request $request, Entry $entry)
    {
        if ($request->user()->cannot('judge', $entry->audition)) {
            abort(403, 'You are not assigned to judge this entry');
        }
        $scoreSheet = ScoreSheet::where('user_id', Auth::id())->where('entry_id', $entry->id)->first();
        if (! $scoreSheet) {
            return redirect()->back()->with('error', 'Attempt to edit non existent entry');
        }
        Gate::authorize('update', $scoreSheet);

        $scoringGuide = $entry->audition->scoringGuide()->with('subscores')->first();
        $scoreValidation = $scoringGuide->validateScores($request->input('score'));
        if ($scoreValidation != 'success') {
            return redirect(url()->previous())->with('error', $scoreValidation)->with('oldScores', $request->all());
        }
        $scoreSheetArray = [];
        foreach ($scoringGuide->subscores as $subscore) {
            $scoreSheetArray[$subscore->id] = [
                'score' => $request->input('score')[$subscore->id],
                'subscore_id' => $subscore->id,
                'subscore_name' => $subscore->name,
            ];
        }

        $scoreSheet->update([
            'subscores' => $scoreSheetArray,
        ]);

        $this->advancementVote($request, $entry);

        return redirect('/judging/audition/'.$entry->audition_id)->with('success',
            'Updated scores for '.$entry->audition->name.' '.$entry->draw_number);
    }

    protected function advancementVote(Request $request, Entry $entry)
    {
        if ($request->user()->cannot('judge', $entry->audition)) {
            abort(403, 'You are not assigned to judge this entry');
        }

        if ($entry->for_advancement and auditionSetting('advanceTo')) {
            $request->validate([
                'advancement-vote' => ['required', 'in:yes,no,dq'],
            ]);
            try {
                JudgeAdvancementVote::where('user_id', Auth::id())->where('entry_id', $entry->id)->delete();
                JudgeAdvancementVote::create([
                    'user_id' => Auth::user()->id,
                    'entry_id' => $entry->id,
                    'vote' => $request->input('advancement-vote'),
                ]);
            } catch (Exception) {
                return redirect(url()->previous())->with('error', 'Error saving advancement vote');
            }
        }

        return null;
    }
}