<?php


namespace App\KommaApp\Specialisms;

use App\KommaApp\Pages\Models\Page;
use App\KommaApp\Specialisms\Models\Specialism;
use Illuminate\Database\Eloquent\Collection;

class SpecialismService
{

    /**
     * Get all the specialisms through the site model
     *
     * @return mixed
     */
    public function getAllSpecialisms(){

        return \App::getSite()
            ->specialisms()
            ->with('translation')
            ->with('images')
            ->where('active', 1)
            ->where('lft', '!=', 1)
            ->orderBy('lft')
            ->has('translation')
            ->get();
    }

    /**
     * Get specialism by specific code name
     *
     * @param $codeName
     * @return Specialism
     */
    public function getSpecialismByCodeName($codeName): Specialism
    {
        if(!$specialism = Specialism::where('code_name','=', $codeName)
            ->with('translation')
            ->where('active', 1)
            ->first()) \App::abort(404);

        return $specialism;
    }

    public function expandBreadCrumbTree(Page &$page, Specialism $specialism, $links){

        if(!isset($links->specialisms)) return;

        $tree = $page->breadcrumbTree;

        $tree[] = (object)[
            'name' => $specialism->translation->name,
            'url' => '/' . $links->specialisms->route . '/'.$specialism->translation->slug,
            'node' => $specialism,
        ];

        $page->breadcrumbTree = $tree;
    }

    /**
     * Get the next amount of specialisms from the collection
     *
     * @param Specialism $specialism
     * @param Collection $specialisms
     * @param int $amount
     */
    public function makeNextSpecialisms(Specialism &$specialism, Collection $specialisms, $amount = 4){

        // Clone the specialisms because else it weirdly get edit
        $specialisms = clone $specialisms;

        // Boolean for when to start grabbing the specialisms for the next specialisms collection
        $startGetting = false;
        $nextSpecialisms = new Collection();

        // Loop through the specialisms
        foreach ($specialisms as $key => $otherSpecialism){


            // If the looped specialism is the active specialism enable the boolean and remove it from the cloned specialism collection
            // Then continue with the loop
            if($specialism->id == $otherSpecialism->id){
                $startGetting = true;
                $specialisms->forget($key);
                continue;
            }

            // If the boolean is through append the looped specialism to the next specialisms collection
            // And also remove it from the cloned specialism collection (in case we need to grab the first more because there are to few specialisms in the collection)
            if($startGetting){
                $nextSpecialisms->push($otherSpecialism);
                $specialisms->forget($key);
            }
            // If we have enough specialisms in the collection break from the foreach loop
            if($nextSpecialisms->count() == $amount) break;
        }

        // If we have to few specialisms take from the front of resting specialisms in the cloned specialism collection
        if($nextSpecialisms->count() != $amount && $specialisms->count() != 0){

            // Determine the amount we need to take
            $take = $amount - $nextSpecialisms->count();

            //Merge it with the next specialism collection
            $nextSpecialisms = $nextSpecialisms->merge($specialisms->take($take));
        }

        // Bind it collection to the specialism model
        $specialism->nextSpecialisms = $nextSpecialisms;

    }

}