<?php

require dirname(__FILE__) . '/_init.php';

function parse_config($file)
{
    $lines = file(LENCRIER_ROOT . '/' . $file);

    $config = array();
    $currentComment = '';

    foreach ($lines as $line)
    {
        $line = trim($line);

        if (preg_match('!^//(.*)$!', $line, $match))
            $currentComment .= trim($match[1]) . "\n";

        if (preg_match('!^define\s*\(\s*[\'"]([^\'"]+)[\'"]\s*,\s*(.*)\s*\);$!', $line, $match))
        {
            $name = $match[1];
            $value = $match[2];

            if (preg_match('!^(true|false)$!i', $value, $match))
            {
                $type = 'bool';
                $value = ($match[1] == 'true') ? true : false;
            }
            elseif (preg_match('!^([0-9]+)$!i', $value, $match))
            {
                $type = 'int';
                $value = (int) $match[1];
            }
            elseif (preg_match('!^[\'"](.*)[\'"]$!i', $value, $match))
            {
                $type = 'string';
                $value = (string) stripslashes($match[1]);
            }
            else
            {
                $type = 'other';
            }

            $config[$name] = array('name' => $name, 'comment' => $currentComment, 'type' => $type, 'value' => $value);
            $currentComment = '';
        }
    }

    return $config;
}

$orig = parse_config('config.dist.php');
$local = parse_config('config.local.php');
$config = array();

foreach ($local as $name=>$properties)
{
    $config[$name] = array();
    $config[$name]['local'] = $properties;
}

foreach ($orig as $name=>$properties)
{
    if (!isset($config[$name]))
        $config[$name] = array();

    $config[$name]['orig'] = $properties;
}

if (!empty($_POST['save']))
{
    foreach ($config as $name=>&$prop)
    {
        if (!isset($_POST[$name]))
            continue;

        if (!isset($prop['local']))
            continue;

        if ($prop['local']['type'] == 'code')
            continue;

        switch ($prop['local']['type'])
        {
            case 'bool':
                $prop['local']['value'] = (bool) $_POST[$name];
                break;
            case 'int':
                $prop['local']['value'] = (int) $_POST[$name];
                break;
            case 'string':
                $prop['local']['value'] = (string) $_POST[$name];
                break;
            default:
                break;
        }

    }

    $out = "<?php\n\n";

    foreach ($config as $name=>&$prop)
    {
        $comment = str_replace("\n", "\n// ", trim($prop['local']['comment']));
        $out .= "// ".$comment."\n";
        $out .= "define('".$name."', ";

        if ($prop['local']['type'] == 'string')
            $out .= '\''.str_replace('\'', '\\\'', $prop['local']['value']).'\'';
        elseif ($prop['local']['type'] == 'bool')
            $out .= $prop['local']['value'] ? 'true' : 'false';
        else
            $out .= $prop['local']['value'];

        $out .= ");\n\n";
    }

    $out .= "?>";

    file_put_contents(LENCRIER_ROOT . '/config.local.php', $out);

    utils::redirect('/admin/config.php');
}

$title = 'Configuration';

$tpl->assign('config', $config);
$tpl->display('admin/config.tpl');

?>