<?php 

require('../../includes/csrf.php');

if (filter_input(INPUT_GET, 'tu') == 'h') {

	header('X-Content-Type-Options: nosniff');
	header('Content-Type: application/json');

	$data_template = array(
		0 	=> array('date' => '00:00', 'rx' => 0, 'tx' => 0),
		1 	=> array('date' => '01:00', 'rx' => 0, 'tx' => 0),
		2 	=> array('date' => '02:00', 'rx' => 0, 'tx' => 0),
		3 	=> array('date' => '03:00', 'rx' => 0, 'tx' => 0),
		4 	=> array('date' => '04:00', 'rx' => 0, 'tx' => 0),
		5 	=> array('date' => '05:00', 'rx' => 0, 'tx' => 0),
		6 	=> array('date' => '06:00', 'rx' => 0, 'tx' => 0),
		7 	=> array('date' => '07:00', 'rx' => 0, 'tx' => 0),
		8 	=> array('date' => '08:00', 'rx' => 0, 'tx' => 0),
		9 	=> array('date' => '09:00', 'rx' => 0, 'tx' => 0),
		10 	=> array('date' => '10:00', 'rx' => 0, 'tx' => 0),
		11 	=> array('date' => '11:00', 'rx' => 0, 'tx' => 0),
		12 	=> array('date' => '12:00', 'rx' => 0, 'tx' => 0),
		13 	=> array('date' => '13:00', 'rx' => 0, 'tx' => 0),
		14 	=> array('date' => '14:00', 'rx' => 0, 'tx' => 0),
		15 	=> array('date' => '15:00', 'rx' => 0, 'tx' => 0),
		16 	=> array('date' => '16:00', 'rx' => 0, 'tx' => 0),
		17 	=> array('date' => '17:00', 'rx' => 0, 'tx' => 0),
		18 	=> array('date' => '18:00', 'rx' => 0, 'tx' => 0),
		19 	=> array('date' => '19:00', 'rx' => 0, 'tx' => 0),
		20 	=> array('date' => '20:00', 'rx' => 0, 'tx' => 0),
		21 	=> array('date' => '21:00', 'rx' => 0, 'tx' => 0),
		22 	=> array('date' => '22:00', 'rx' => 0, 'tx' => 0),
		23 	=> array('date' => '23:00', 'rx' => 0, 'tx' => 0)
	);




	exec(sprintf('vnstat -i %s --json h', escapeshellarg($interface)), $jsonstdoutvnstat, $exitcodedaily);
	if ($exitcodedaily !== 0) {
		exit('vnstat error');
	}

	$jsonobj = json_decode($jsonstdoutvnstat[0], true)['interfaces'][0];
	$jsonData = $jsonobj['traffic']['hours'];
	for ($i = count($jsonData) - 1; $i >= 0; --$i) {
		$data_template[$jsonData[$i]['id']]['rx'] = round($jsonData[$i]['rx'] / 1024, 0);
		$data_template[$jsonData[$i]['id']]['tx'] = round($jsonData[$i]['tx'] / 1024, 0);
	}

	$data = array();
	$hour = $jsonobj['updated']['time']['hour'];
	foreach ($data_template as $key => $value) {
		if ($key > $hour) {
			array_push($data, $value);
		}
	}
	foreach ($data_template as $key => $value) {
		if ($key <= $hour) {
			array_push($data, $value);
		}
	}
	echo json_encode($data);
	exit(0);
}