<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Http\Requests;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Input;

class Search extends Controller
{
    public function getSearch()
    {
        $results = [];
        $term = Input::get('search');

        if (!is_null($term)) {
            try {
                $results = $this->performSearch($term);
            } catch (InvalidArgumentException $e) {
                // user entered empty string (or something like empty string)
                return redirect()
                    ->route('search')
                    ->with('error', $e->getMessage());
            }
        }

        return view('admin.search.page', ['search' => $term, 'results' => $results]);
    }

    protected function performSearch($term)
    {
        $engines = App::make('registerSearchEngine')
                      ->get();

        $resultsParts = [];
        foreach ($engines as $engine) {
            list ($search, $presenter) = $engine;

            $results = $search->search($term);

            $resultsParts[$search->getId()] = [
                'name'    => $search->getName(),
                'content' => $presenter->render($results),
                'count'   => count($results)
            ];
        }

        return $resultsParts;
    }
}