//Fonctions nécessaires


if(!function_exists("get_user_agent")){
    function get_user_agent(){
        return $_SERVER['HTTP_USER_AGENT'];
  }
}

if(!function_exists('get_device')){
    function get_device(){

        $tablet_browser = 0;
        $mobile_browser = 0;

        if(preg_match('/(tablet|ipad|playbook)|(android(?!.*(mobi|opera mini)))/i', strtolower($_SERVER['HTTP_USER_AGENT']))){
            $tablet_browser++;
        }

        if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|android|iemobile)/i', strtolower($_SERVER['HTTP_USER_AGENT']))){
            $mobile_browser++;
        }

        if((strpos(strtolower($_SERVER['HTTP_ACCEPT']),
        'application/vnd.wap.xhtml+xml')> 0) or
            ((isset($_SERVER['HTTP_X_WAP_PROFILE']) or
                isset($_SERVER['HTTP_PROFILE'])))){
                    $mobile_browser++;
        }

        $mobile_ua = strtolower(substr( get_user_agent(), 0, 4));
        $mobile_agents = array(
            'w3c','acs-','alav','alca','amoi','audi','avan','benq','bird','blac','blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno',
            'ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-','maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-',

            'newt','noki','palm','pana','pant','phil','play','port','prox','qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar',

            'sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-','tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp',
            'wapr','webc','winw','winw','xda','xda-');

            if(in_array($mobile_ua,$mobile_agents)){
                $mobile_browser++;
            }

            if(strpos(strtolower( get_user_agent()),'opera mini') > 0){
                $mobile_browser++;

                //Check for tables on opera mini alternative headers

                $stock_ua =
                strtolower(isset($_SERVER['HTTP_X_OPERAMINI_PHONE_UA'])?
                $_SERVER['HTTP_X_OPERAMINI_PHONE_UA']:
                (isset($_SERVER['HTTP_DEVICE_STOCK_UA'])?
                $_SERVER['HTTP_DEVICE_STOCK_UA']:''));

                if(preg_match('/(tablet|ipad|playbook)|(android(?!.*mobile))/i', $stock_ua)){
                    $tablet_browser++;
                }
            }

            if($tablet_browser > 0){
                //do something for tablet devices

                return 'Tablet';
            }
            else if($mobile_browser > 0){
                //do something for mobile devices

                return 'Mobile';
            }
            else{
                //do something for everything else
                    return 'Computer';
            }

    }
}

if(!function_exists('get_os')){
    function get_os(){

        $user_agent = get_user_agent();
        $os_platform = "Unknown OS Platform";
        $os_array = array(
            '/windows nt 10/i'  => 'Windows 10',
            '/windows nt 6.3/i'  => 'Windows 8.1',
            '/windows nt 6.2/i'  => 'Windows 8',
            '/windows nt 6.1/i'  => 'Windows 7',
            '/windows nt 6.0/i'  => 'Windows Vista',
            '/windows nt 5.2/i'  => 'Windows Server 2003/XP x64',
            '/windows nt 5.1/i'  => 'Windows XP',
            '/windows xp/i'  => 'Windows XP',
            '/windows nt 5.0/i'  => 'Windows 2000',
            '/windows me/i'  => 'Windows ME',
            '/win98/i'  => 'Windows 98',
            '/win95/i'  => 'Windows 95',
            '/win16/i'  => 'Windows 3.11',
            '/macintosh|mac os x/i' => 'Mac OS X',
            '/mac_powerpc/i'  => 'Mac OS 9',
            '/linux/i'  => 'Linux',
            '/ubuntu/i'  => 'Ubuntu',
            '/iphone/i'  => 'iPhone',
            '/ipod/i'  => 'iPod',
            '/ipad/i'  => 'iPad',
            '/android/i'  => 'Android',
            '/blackberry/i'  => 'BlackBerry',
            '/webos/i'  => 'Mobile',
        );

        foreach ($os_array as $regex => $value){
            if(preg_match($regex, $user_agent)){
                $os_platform = $value;
            }
        }
        return $os_platform;
    }
}

//Méthode

if ($request->exists('token') && $request->exists('redirectUrl')) {

                $device = get_device();
                $os = get_os();
                $browser = get_browsers();

                $user = DB::table('connexion')->where([
                    'token' => $request->token,
                    'ip' => $request->ip(),
                    'device' => $device,
                    'os' => $os,
                    'browsers' => $browser,
                ])->first();

                session([
                    'redirectUrl' => $request->redirectUrl,
                    'token' => $request->token,
                ]);

            } else {
                $user = User::where("username", $credentials['username'])->first();
            }


            if(!$user) {
                return redirect(url('/'))->withErrors([
                    'error' => "Votre username ou mot de passe est incorrect ! Veuillez réessayer.",
                ]);
            }