<?php
declare(strict_types = 1);

include_once('config/default.php');

include_once('lib/comic-page.php');
include_once('lib/log.php');

function readFeed($path) {
    $awfulSinging = file_get_contents($path);

    if ($awfulSinging === false) {
        Log::warn("Failed to read existing XML feed from " . $path);
        return null;
    };

    Log::info("Read " . strlen($awfulSinging) . " bytes from " . $path);

    $xml = simplexml_load_string($awfulSinging);

    $items = array();
    foreach ($xml->channel->item as $itemXml) {
        $item = new ComicPage;
        $item->href = (string) $itemXml->link;
        $item->pageNo = (string) $itemXml['data-pageno'];
        $item->title = (string) $itemXml['data-title'];
        $item->imageUrl = (string) $itemXml['data-imageurl'];
        $item->pubDate = strtotime((string) $itemXml->pubDate);

        array_push($items, $item);
    };

    Log::info("Read " . count($items) . " items from " . $path);
    return $items;
};