<?php

namespace App\Services;

use App\Exceptions\AuditionServiceException;
use App\Models\Audition;
use Illuminate\Support\Facades\Log;

class AuditionService
{
    /**
     * Create a new class instance.
     */
    public function __construct()
    {
        //
    }

    /**
     * @throws AuditionServiceException
     */
    public function getSubscores(Audition $audition, $mode = 'seating', $sort = 'tiebreak')
    {
        static $auditionSubscores = [];
        $this->validateAudition($audition);
        $this->validateMode($mode);
        $this->validateSort($sort);

        $sortColumn = match ($sort) {
            'tiebreak' => 'tiebreak_order',
            'display' => 'display_order',
        };
        $modeColumn = match ($mode) {
            'seating' => 'for_seating',
            'advancement' => 'for_advance',
        };
        if (! isset($auditionSubscores[$mode][$sort])) {
            $auditionSubscores[$mode][$sort] = $audition->scoringGuide->subscores->where($modeColumn, true)->sortBy($sortColumn);
        } else {
            Log::debug('Using cached subscores');
        }

        return $auditionSubscores[$mode][$sort];
    }

    protected function validateAudition($audition)
    {
        if (! $audition->exists()) {
            throw new AuditionServiceException('Invalid audition provided');
        }
    }

    protected function validateMode($mode)
    {
        if ($mode !== 'seating' && $mode !== 'advancement') {
            throw new AuditionServiceException('Invalid mode requested. Mode must be seating or advancement');
        }
    }

    protected function validateSort($sort)
    {
        if ($sort !== 'tiebreak' && $sort !== 'display') {
            throw new AuditionServiceException('Invalid sort requested. Sort must be tiebreak or weight');
        }
    }
}