<html>
<head>
<title>FabLab Radio</title>
<style>
.generale {
font-family: Tahoma, Geneva, sans-serif;
font-size: 14px;
}
</style>
</head>
<body class="generale">

<?php
	$num_sta = 16;
	$name_arr = array();
	$url_arr = array();
	
	$file = "stations.json";
	$json_arr = array();

	if (isset($_POST['submit'])) {
		for ($i = 0; $i < 16; $i++) {
			$url = sprintf("url%02d", $i + 1);
			$name = sprintf("name%02d", $i + 1);
			$json_arr[$i] = array("name" => $_POST[$name], "url" => $_POST[$url]);

			//$line = $url . " = " . $_POST[$url] . " | "	. $name . " = " . $_POST[$name] . "<br>\n";
			//print($line);
		}
		file_put_contents($file, json_encode($json_arr, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
	}

	$json = json_decode(file_get_contents($file), true);
	//print("<br>\n");
	//print_r($json);
	//print("<br>\n");

	foreach ($json as $i => $value) {
		$name = $value['name'];
		$url = $value['url'];
		$name_arr[$i] = $name;
		$url_arr[$i] = $url;
		//print($i . " - " . $name . " - " . $url);
		//print("<br>\n");
	}

	$num_js = $i + 1;
?>

<h2 align="center">FabLab Radio - Channel Selection</h2>
<form action="radio.php" method="post">

<?php
		for ($i = 0; $i < $num_sta; $i++) {
			$ind = sprintf("%02d", $i + 1);
			$u = sprintf("url%02d", $i + 1);
			$n = sprintf("name%02d", $i + 1);
			$url = $url_arr[$i];
			$name = $name_arr[$i];
			echo "Name $ind: <input type='text' name='$n' size='30' value='$name'>\n";
			echo "Channel $ind: <input type='text' name='$u' size='60' value='$url'><br>\n";
		}
?>

<br><input type='submit' name='submit' value='Submit'>
</form>
</body>
</html>

