<?


error_reporting(0);

//
$url_from_name = strip_tags($_GET['name']);

$tierToApplePrice = Array(
	0 => 'FREE',
	1 => 0.99,
	2 => 1.99,
	3 => 2.99,
	4 => 3.99,
	5 => 4.99,
	550 => 0.99,
	560 => 1.99,
	570 => 2.99,
	580 => 3.99,
	590 => 4.99,
	6 => 5.99,
	7 => 6.99,
	8 => 7.99,
	9 => 8.99,
	10 => 9.99,
	11 => 10.99,
	12 => 11.99,
	13 => 12.99,
	14 => 13.99,
	15 => 14.99,
	16 => 15.99,
	17 => 16.99,
	18 => 17.99,
	19 => 18.99,
	20 => 19.99,
	21 => 20.99,
	22 => 21.99,
	23 => 22.99,
	24 => 23.99,
	25 => 24.99,
	26 => 25.99,
	27 => 26.99,
	28 => 27.99,
	29 => 28.99,
	30 => 29.99,
	31 => 30.99,
	32 => 31.99,
	33 => 32.99,
	34 => 33.99,
	35 => 34.99,
	36 => 35.99,
	37 => 36.99,
	38 => 37.99,
	39 => 38.99,
	40 => 39.99,
	41 => 40.99,
	42 => 41.99,
	43 => 42.99,
	44 => 43.99,
	45 => 44.99,
	46 => 45.99,
	47 => 46.99,
	48 => 47.99,
	49 => 48.99,
	50 => 49.99,
	51 => 54.99,
	52 => 59.99,
	53 => 64.99,
	54 => 69.99,
	55 => 74.99,
	56 => 79.99,
	57 => 84.99,
	58 => 89.99,
	59 => 94.99,
	60 => 99.99,
	61 => 109.99,
	62 => 119.99,
	63 => 124.99,
	64 => 129.99,
	65 => 139.99,
	66 => 149.99,
	67 => 159.99,
	68 => 169.99,
	69 => 174.99,
	70 => 179.99,
	71 => 189.99,
	72 => 199.99,
	73 => 209.99,
	74 => 219.99,
	75 => 229.99,
	76 => 239.99,
	77 => 249.99,
	78 => 299.99,
	79 => 349.99,
	80 => 399.99,
	81 => 449.99,
	82 => 499.99,
	83 => 599.99,
	84 => 699.99,
	85 => 799.99,
	86 => 899.99,
	87 => 999.99,
);


$filename = 'keys.txt';


$signed_request = strip_tags($_POST['signed_request']);
// /* tmp */ $signed_request = 'PtuV87WC2F8bFwpl3z6dMFQP2UcK9JRI9RT1i0ckSXk.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsImlzc3VlZF9hdCI6MTM4NzM2NTkwMCwicGFnZSI6eyJpZCI6IjIxMjcyMDk3NTU3NzU1NCIsImxpa2VkIjp0cnVlLCJhZG1pbiI6dHJ1ZX0sInVzZXIiOnsiY291bnRyeSI6InBsIiwibG9jYWxlIjoiZW5fVVMiLCJhZ2UiOnsibWluIjoyMX19fQ';
$secret = '7745a7ba3361a2f0fbf26021223b91d6';


// print_r(parse_signed_request($signed_request));

$decoded_request = parse_signed_request($signed_request);

$tab_id = $decoded_request['page']['id'];

$do_we_have_it = 0;
$numer_of_magazines = 0;

$store_hash = getHashFromName($url_from_name);

$mag_details = renderContentForStoreHash($store_hash);

$past_issues = listAllIssuesForStoreHash($store_hash, $url_from_name);


/* get hash from name */
function getHashFromName ($name) {
	global $do_we_have_it, $numer_of_magazines;

	$data = json_decode(file_get_contents('https://api.presspadapp.com/public/1.0/stores.json', true), true);

	foreach ($data['stores'] as $key => $value) {
		// $name_trimmed = trim(preg_replace('/[\-]{2,}/', '-', preg_replace('/[^a-z]/', '-', strtolower($value['name']))), '-');
		$name_trimmed = $value['slug'];
		$numer_of_magazines++;
		if ($name_trimmed === $name) {
			$do_we_have_it = 1;
			return $value['hash'];
			break;
		}
	}


}


/* render frame content for given store hash */
function renderContentForStoreHash ($store_hash) {

    global $do_we_have_it;

    if ($do_we_have_it) {
    	$data = json_decode(file_get_contents('http://api.presspadapp.com/public/1.0/stores/'.$store_hash.'.json', true), true);

    	$return = Array();

    	foreach ($data as $key => $value) {

    		array_push($return, $value);

    	}


    	return $return[0];
    }

}

/* render past issues for given store hash */
function listAllIssuesForStoreHash ($store_hash, $name) {

	global $do_we_have_it, $numer_of_magazines;

	// if no magazine, show 8 examples
	if ($do_we_have_it) {


		$data = json_decode(file_get_contents('http://api.presspadapp.com/public/1.0/stores/'.$store_hash.'/issues.json', true), true);

		$i = 0;
		foreach ($data as $key => $value) {

			return $value;

		}

	} else {

		$data = json_decode(file_get_contents('http://api.presspadapp.com/public/1.0/stores.json', true), true);

		$i = 0;
		$alphabet = range('a', 'z');
		$start = round(((array_search($name[0], $alphabet) + 1) / 25) * $numer_of_magazines);
		if ($start >= $numer_of_magazines) { $start = $numer_of_magazines - 6; }

		$stop = $start + 6;

		foreach ($data['stores'] as $key => $value) {


			if ($key >= $start && $key <= $stop) {
				$result[] = $value;
			}

		}

		return $result;


	}

}


/* read data  */


function readStoreHashFromTabId ($tab_id) {

	global $filename;

	// read file
	$file_contents = fread(fopen($filename, "r"), filesize($filename));

	// deserialize
	$data = unserialize($file_contents);


	if ($data[$tab_id]) return $data[$tab_id];
	else return false;

}


/* decode signed_request from facebook tab */
function parse_signed_request($signed_request) {

	global $secret;


	  list($encoded_sig, $payload) = explode('.', $signed_request, 2);

	  // decode the data
	  $sig = base64_url_decode($encoded_sig);
	  $data = json_decode(base64_url_decode($payload), true);

	  // confirm the signature
	  $expected_sig = hash_hmac('sha256', $payload, $secret, $raw = true);
	  if ($sig !== $expected_sig) {
	    error_log('Bad Signed JSON signature!');
	    return null;
	  }

	  return $data;
}

function base64_url_decode($input) {
	return base64_decode(strtr($input, '-_', '+/'));
}


function titleCase($string, $delimiters = array(" ", "-", ".", "'", "O'", "Mc"), $exceptions = array("and", "to", "of", "das", "dos", "I", "II", "III", "IV", "V", "VI", "the", "a", "an"))
{
    /*
     * Exceptions in lower case are words you don't want converted
     * Exceptions all in upper case are any words you don't want converted to title case
     *   but should be converted to upper case, e.g.:
     *   king henry viii or king henry Viii should be King Henry VIII
     */
    $string = mb_convert_case($string, MB_CASE_TITLE, "UTF-8");
    foreach ($delimiters as $dlnr => $delimiter) {
        $words = explode($delimiter, $string);
        $newwords = array();
        foreach ($words as $wordnr => $word) {
            if (in_array(mb_strtoupper($word, "UTF-8"), $exceptions)) {
                // check exceptions list for any words that should be in upper case
                $word = mb_strtoupper($word, "UTF-8");
            } elseif (in_array(mb_strtolower($word, "UTF-8"), $exceptions)) {
                // check exceptions list for any words that should be in upper case
                $word = mb_strtolower($word, "UTF-8");
            } elseif (!in_array($word, $exceptions)) {
                // convert to uppercase (non-utf8 only)
                $word = ucfirst($word);
            }
            array_push($newwords, $word);
        }
        $string = join($delimiter, $newwords);
   }//foreach
   return $string;
}


?><!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="utf-8">
	<title>