#!/usr/bin/php
<?php

function getEnvironmentValue($key, $default)
{
    $env = getenv($key);
    if ($env === false)
    {
        $env = $default;
    }
    if (is_string($env))
    {
        return "'" . addslashes($env) . "'";
    }
    else if (is_numeric($env))
    {
        return $env;
    }
    else
    {
        echo "Invalid type for environment variable '$key'\n";
        return "''";
    }
}

$mysqlUsername = getEnvironmentValue('MYSQL_USERNAME', 'root');
$mysqlPassword = getEnvironmentValue('MYSQL_PASSWORD', '');
$mysqlHost = getEnvironmentValue('MYSQL_HOST', '127.0.0.1');
$mysqlPort = getEnvironmentValue('MYSQL_PORT', 3306);
$mysqlDbname = getEnvironmentValue('MYSQL_DBNAME', 'xenforo');

$superAdmins = getEnvironmentValue('SUPER_ADMINS', '1');
$mpqFilesPath = getEnvironmentValue('MPQ_FILES_PATH', '/usr/share/mpq');
$debug = getEnvironmentValue('DEBUG', 0);

$cacheHost = getEnvironmentValue('MEMCACHED_HOST', '127.0.0.1');
$cachePort = getEnvironmentValue('MEMCACHED_PORT', 11211);
$cacheCompression = getEnvironmentValue('CACHE_COMPRESSION', 1);

$importLogTable = getEnvironmentValue('IMPORT_LOG_TABLE', 'xf_import_log');
$xenGalleryImportLogTable = getEnvironmentValue('XENGALLERY_IMPORT_LOG_TABLE', 'xf_import_log');

// E.g. HTTP_X_FORWARDED_FOR
$proxyIpCode = '';
if (getenv('PROXY_IP_HEADER'))
{
    $proxyIpHeader = getEnvironmentValue('PROXY_IP_HEADER', '');
    $proxyIpCode = "if (isset(\$_SERVER[$proxyIpHeader]))
{
    \$_SERVER['REMOTE_ADDR'] = \$_SERVER[$proxyIpHeader];
}
";
}

$config = "<?php

\$config['db']['host'] = $mysqlHost;
\$config['db']['port'] = $mysqlPort;
\$config['db']['username'] = $mysqlUsername;
\$config['db']['password'] = $mysqlPassword;
\$config['db']['dbname'] = $mysqlDbname;

\$config['mpqFilesPath'] = $mpqFilesPath;

\$config['superAdmins'] = $superAdmins;

\$config['debug'] = $debug;

\$config['cache']['backend'] = 'Memcached';
\$config['cache']['backendOptions'] = array(
    'compression' => $cacheCompression,
    'servers' => array(
        array(
            'host' => $cacheHost,
            'port' => $cachePort,
        )
    )
);

$proxyIpCode
";

$importConfig = "
<?php

define('IMPORT_LOG_TABLE', $importLogTable);
define('XENGALLERY_IMPORT_LOG_TABLE', $xenGalleryImportLogTable);
define('INCLUDE_PAGE_LINKS', true);

\$fileDir = dirname(__FILE__) . '/..';

";

$result1 = file_put_contents('/var/www/html/library/config.php', $config) !== false;

$result2 = file_put_contents('/var/www/html/forums/301config.php', $importConfig) !== false;

exit(($result1 && $result2) ? 0 : 1);