<?php

namespace App\Komma\Crews;

use App\Komma\Base\Service;
use Illuminate\Support\Collection;

class CrewService extends Service
{
    public function getCrews($pagination = false, $itemsPerPage = 9)
    {
        $crews = $this->site
            ->crews()
            ->with('translation', 'images', 'fallback_translation')
            ->orderBy('lft')

            // We need to use a join to select the active crews because that is defined on the translations
            ->join('crew_translations', 'crews.id', '=', 'crew_translations.crew_id')
            ->select('crews.*', 'crew_translations.active', 'crew_translations.populate_from_english', 'crew_translations.language_id')
            ->where(function ($query) {
                $query->where('active', '=', 1)
                    ->orWhere('populate_from_english', '=', 1);
            })
            ->where('language_id', \App::getLanguage()->id);

        if ($pagination) {
            $crews = $crews->paginate($itemsPerPage);

            // Skip the population if language is already english
            if (app()->getLocale() != 'en') {
                $this->populatedFallbackTranslationOnCollection($crews->getCollection());
            }
        } else {
            $crews = $crews->get();

            // Skip the population if language is already english
            if (app()->getLocale() != 'en') {
                $this->populatedFallbackTranslationOnCollection($crews);
            }
        }

        return $crews;
    }

    private function populatedFallbackTranslationOnCollection(Collection $crews)
    {
        foreach ($crews as $crew) {
            // Skip if we don't need to populated
            if (! $crew->translation->populate_from_english) {
                continue;
            }
            $crew->translation = $crew->fallback_translation;
            $crew->used_fallback_translation = true;
        }
    }
}