<?php
class neoCMSCore {

    public $auditEnabled=true;
    public $users=[];
    public $loggedIn=false;
    private $loggedInUser='';
    public $version='2.0';
    public function __construct() {

    }

    /**
     * Write an entry into the audit log
     * @param $value
     * @return void
     */
    public function writeAudit($value) {
        if($this->auditEnabled)
        file_put_contents(__DIR__ . "/".date('y-m-d-')."audit.txt", date('Y-m-d H:i:s')."\t".$this->loggedInUser."\t".trim($value)."\n", FILE_APPEND);
    }

    public function login($username, $password) {
        $this->loggedIn=(!empty($this->users[$username]) && $this->users[$username]==$password);
        if($this->loggedIn) $this->loggedInUser=$username;
        $this->writeAudit("User login for ".$username." was ".($this->loggedIn?"successful":"denied due to incorrect credentials")." from ".$_SERVER['REMOTE_ADDR']);
        return $this->loggedIn;
    }

    public function isLoggedIn() {
        return $this->loggedIn;
    }

    public function getLoggedinUser() {
        return $this->loggedInUser;
    }

    public function saveContent($uri,$content) {
        $this->writeAudit("Content for ".$uri." was saved.");
        $uri=str_replace("../","./",$uri);

        //check to see if we're dealing with a default (index.htm{l}) page
        if(str_ends_with($uri,"/") || $uri=='/') {
            if(file_exists($_SERVER['DOCUMENT_ROOT'].$uri.'index.htm')) {
                $uri=$uri.'/index.htm';
            }
            elseif(file_exists($_SERVER['DOCUMENT_ROOT'].$uri.'index.html')) {
                $uri=$uri.'/index.html';
            } else {
                die('Unknown default file:'.$uri);
            }
        }
        file_put_contents($_SERVER['DOCUMENT_ROOT'].$uri,$content);
    }
}