<?php
/* ------------------------------------------------
-- You must change the server_url to fit your server
-- 
-- This file is exclusive to your machine,
-- DON'T push your changes to Git
-------------------------------------------------- */

$server_url = array(
  "live" => array("mysite.com", "www.mysite.com"),
  "staging" => array("beta.mysite.com"),
  "local" => array("localhost/mysite/"),
);

/*
Get the static path to root (home) directory
  @return = static path to root
*/
function home_url() {
  global $server_url;
  foreach ($server_url as $server => $urls) {
    foreach($urls as $url) {
      if($_SERVER["SERVER_NAME"] == parse_url("http://".$url, PHP_URL_HOST) ) {
        return $url;
      }
    }
  }
  return $server_url["local"][0];
}

/*
Get relative path to root directory
  @return = relative path to root
*/
function get_root() {
  $folder_depth = substr_count($_SERVER["PHP_SELF"] , "/");

  // Check the amount of nested URL
  preg_match_all("/\w\/\w/", home_url(), $matches );
  $home_depth = count($matches[0]) + 1;

  return str_repeat("../", $folder_depth - $home_depth);
}
$root = get_root();
// Global root
function root() {
  global $root;
  return $root;
}

/*
Echo path to assets directory
  @return = relative path to specified assets directory
*/
function img()   { echo root().'assets/img/'; }
function css()   { echo root().'assets/css/'; }
function js()    { echo root().'assets/js/';  }
function files() { echo root().'assets/files/'; }

/*
Get partials
  @param
    file = partial file name, without extension
  @return = content of the partial file
*/
function get($file, $params = array()) {
  // If first letter is not underscore, add it
  if(substr($file, 0, 1) !== '_') {
    $file = '_'.$file;
  }
  return (include root().'partials/'.$file.'.php');
}

/*
  Get the last word from the URL, useful for Header-menu's active state
  @return = the last word from the current page
*/
function get_current_page() {
  $pageURL = 'http';
  if ($_SERVER["SERVER_PORT"] != "80") {
    $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
  } else {
    $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
  }
  $url_break = explode('/', $pageURL);
  return $url_break[count($url_break)-2];
}