<?php

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Models\Url;
use App\Models\UrlStats;
use Exception;

class UrlStatsController extends Controller
{
    /**
     * Count every qrcode use and redirect to intended route
     * @param string $key
     * @return Response
     * @throws Exception Throw exception if the key doesn't exist.
     */
    public function count(string $key)
    {
        $url = Url::where('key', $key)->first();
        if (!$url) {
            throw new Exception('Lien incorrect');
        }
        $stats = $url->stats()->where('date', now()->toDateString())->first();
        if ($stats) {
            $stats->calls += 1;
            $stats->saveOrFail();
        } else {
            $stats        = new UrlStats();
            $stats->calls = 1;
            $stats->date  = now()->toDateString();
            $stats->url()->associate($url);
            $stats->saveOrFail();
        }
        return redirect($url->value);
    }
}