<?php

/** @noinspection PhpUnhandledExceptionInspection */

namespace App\Actions\Tabulation;

use App\Exceptions\AuditionAdminException;
use App\Models\Audition;
use Illuminate\Support\Collection;

class RankAuditionEntries
{
    /**
     * Get ranked entries for the provided audition for either seating or advancement.
     *
     * If the rank_type is seating, the ranked entries are returned in descending order of seating total.
     * If the rank_type is advancement, the ranked entries are returned in descending order of advancement total.
     *
     * The ranked entries are returned as a Collection of Entry objects.
     *
     * @param  string  $rank_type  advancement|seating
     * @return Collection|void
     *
     * @throws AuditionAdminException
     */
    public function __invoke(Audition $audition, string $rank_type)
    {
        if ($rank_type !== 'seating' && $rank_type !== 'advancement') {
            throw new AuditionAdminException('Invalid rank type: '.$rank_type.' (must be seating or advancement)');
        }

        $cache_duration = 15;

        if ($rank_type === 'seating') {
            return cache()->remember('rank_seating_'.$audition->id, $cache_duration, function () use ($audition) {
                return $this->get_seating_ranks($audition);
            });
        }

    }

    private function get_seating_ranks(Audition $audition): Collection
    {
        return $audition->entries()
            ->whereHas('totalScore')
            ->with('totalScore')
            ->with('student.school')
            ->join('entry_total_scores', 'entries.id', '=', 'entry_total_scores.entry_id')
            ->orderBy('entry_total_scores.seating_total', 'desc')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[0]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[1]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[2]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[3]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[4]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[5]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[6]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[7]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[8]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.seating_subscore_totals, "$[9]"), -999999) DESC')
            ->select('entries.*')
            ->get();
    }

    private function get_advancement_ranks(Audition $audition): Collection
    {
        return $audition->entries()
            ->whereHas('totalScore')
            ->with('totalScore')
            ->with('student.school')
            ->join('entry_total_scores', 'entries.id', '=', 'entry_total_scores.entry_id')
            ->orderBy('entry_total_scores.advancement_total', 'desc')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[0]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[1]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[2]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[3]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[4]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[5]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[6]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[7]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[8]"), -999999) DESC')
            ->orderByRaw('COALESCE(JSON_EXTRACT(entry_total_scores.advancement_subscore_totals, "$[9]"), -999999) DESC')
            ->select('entries.*')
            ->get();
    }
}