<?php

// turn on debug for localhost etc
$whitelist = array('127.0.0.1', '::1', 'localhost', 'wealth-psychology.com', 'www.wealth-psychology.com');
if (in_array($_SERVER['SERVER_NAME'], $whitelist) && is_admin()) {
    error_reporting(E_ALL);
    ini_set('display_errors', '1');
}

/* Static functions that can be used from anywhere.  */

class ABJ_404_Solution_Functions {
    /** Turns ID|TYPE, SCORE into an array with id, type, score, link, and title.
     *
     * @param type $idAndType e.g. 15|POST is a page ID of 15 and a type POST.
     * @param type $linkScore
     * @return type an array with id, type, score, link, and title.
     */
    static function permalinkInfoToArray($idAndType, $linkScore) {
        global $abj404logging;
        $permalink = array();

        if ($idAndType == NULL) {
            $permalink['score'] = -999;
            return $permalink;
        }
        
        $meta = explode("|", $idAndType);

        $permalink['id'] = $meta[0];
        $permalink['type'] = $meta[1];
        $permalink['score'] = $linkScore;

        if ($permalink['type'] == ABJ404_TYPE_POST) {
            $permalink['link'] = get_permalink($permalink['id']);
            $permalink['title'] = get_the_title($permalink['id']);
        } else if ($permalink['type'] == ABJ404_TYPE_TAG) {
            $permalink['link'] = get_tag_link($permalink['id']);
            $tag = get_term($permalink['id'], 'post_tag');
            $permalink['title'] = $tag->name;
        } else if ($permalink['type'] == ABJ404_TYPE_CAT) {
            $permalink['link'] = get_category_link($permalink['id']);
            $cat = get_term($permalink['id'], 'category');
            $permalink['title'] = $cat->name;
        } else if ($permalink['type'] == ABJ404_TYPE_HOME) {
            $permalink['link'] = get_home_url();
            $permalink['title'] = get_bloginfo('name');
        } else {
            $abj404logging->errorMessage("Unrecognized permalink type: " . 
                    wp_kses_post(json_encode($permalink)));
        }

        return $permalink;
    }
    
    /** Reads an entire file at once into a string and return it.
     * @param type $path
     * @return type
     * @throws Exception
     */
    static function readFileContents($path) {
        if (!file_exists($path)) {
            throw new Exception("Error: Can't find file: " . $path);
        }
        
        $fileContents = file_get_contents($path);
        if ($fileContents !== false) {
            return $fileContents;
        }
        
        // if we can't read the file that way then try curl.
        if (!function_exists('curl_init')) {
            throw new Exception("Error: Can't read file: " . $path .
                    "\n   file_get_contents didn't work and curl is not installed.");
        }
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, 'file://' . $path);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $output = curl_exec($ch);
        curl_close($ch);
        
        if ($output == null) {
            throw new Exception("Error: Can't read file, even with cURL: " . $path);
        }
        
        return $output;        
    }
    
}