#!/usr/bin/php7.1
<?php

require __DIR__.'/base/block.php';

$blockName = $argv[1] ?? 'rss';
$rss = $argv[2] ?? null;
$client = $argv[3] ?? null;
$color1 = $argv[4] ?? color('normal');
$color2 = $argv[5] ?? color('info');

if (empty($rss)) {
    die;
}

$content = @file_get_contents($rss);

if (empty($content)) {
    die;
}

preg_match_all('/<entry/isU', $content, $matches1, PREG_SET_ORDER);
preg_match_all('/<item/isU', $content, $matches2, PREG_SET_ORDER);

$title = pemoji(0xf09e);
$count1 = count($matches1);
$count2 = count($matches2);
$count = $count1 ? $count1 : $count2;

if ($count > 0) {
    $title .= '+'.$count.' ';
}

$fullText = span($title, $count ? $color1 : $color2, '#333');

if ($client && (int) getenv('BLOCK_BUTTON') === 1) {
    shell_exec(sprintf('xdg-open %s', escapeshellarg($client)));
}

echo block(
    $blockName,
    [
        'full_text' => $fullText,
    ]
);