<?php

include_once __DIR__ . '/vendor/autoload.php';

use Pagerange\Markdown\MetaParsedown;
use Bhaktaraz\RSSGenerator\Item;
use Bhaktaraz\RSSGenerator\Feed;
use Bhaktaraz\RSSGenerator\Channel;
use Symfony\Component\Yaml\Yaml;

function getIcons() {
    $icons = array();
    $icons["github"] = file_get_contents('static/img/github.svg');
    $icons["gitlab"] = file_get_contents('static/img/gitlab.svg');
    $icons["gnuprivacyguard"] = file_get_contents('static/img/gnuprivacyguard.svg');
    $icons["mail"] = file_get_contents('static/img/mail.svg');
    $icons["mastodon"] = file_get_contents('static/img/mastodon.svg');
    $icons["rss"] = file_get_contents('static/img/rss.svg');
    $icons["xmpp"] = file_get_contents('static/img/xmpp.svg');
    return $icons;
}

function getBlogPosts($params) {
    $Parsedown = new Parsedown();
    $mp = new MetaParsedown();

    $posts = array();

    $files = scandir('content/blog/');
    foreach($files as $file) {
        // Skip . and ..
        if (($file == '.') || ($file == '..')) {
            continue;
        }

        $content = file_get_contents('content/blog/' . $file);
        $meta = $mp->meta($content);
        $id = intval(substr($file, 0, -3));

        $post = array(
                    "title" => $meta["title"],
                    "author" => $meta["author"],
                    "urlrel" => "/blog/".$meta["slug"],
                    "url" => "https://yarmo.eu/blog/".$meta["slug"],
                    "slug" => $meta["slug"],
                    "date" => $meta["date"],
                    "published" => $meta["published"],
                    "content" => $mp->text($content));

        $date = new DateTime($post['date']);
        $post['date_formatted'] = $date->format('Y-m-d');
        $post['date_rss'] = $date->format('Y-m-d');

        if (!$post['published'] && !(isset($params['slug']) && $post['slug'] == $params['slug'])) {
            continue;
        }
        if (isset($params['slug']) && $post['slug'] != $params['slug']) {
            continue;
        }

        $posts[] = $post;
    }

    $posts = array_reverse($posts);

    return $posts;
}

function getNotes($params) {
    $Parsedown = new Parsedown();
    $mp = new MetaParsedown();

    $posts = array();

    $files = scandir('content/notes/');
    foreach($files as $file) {
        // Skip . and ..
        if (($file == '.') || ($file == '..')) {
            continue;
        }

        $content = file_get_contents('content/notes/' . $file);
        $meta = $mp->meta($content);
        $id = intval(substr($file, 0, -3));

        $post = array(
                    "title" => $meta["title"],
                    "author" => $meta["author"],
                    "urlrel" => "/notes/".$meta["slug"],
                    "url" => "https://yarmo.eu/notes/".$meta["slug"],
                    "slug" => $meta["slug"],
                    "date" => $meta["date"],
                    "published" => $meta["published"],
                    "content" => $mp->text($content));

        $date = new DateTime($post['date']);
        $post['date_formatted'] = $date->format('Y-m-d');
        $post['date_rss'] = $date->format('Y-m-d');

        if (!$post['published'] && !(isset($params['slug']) && $post['slug'] == $params['slug'])) {
            continue;
        }
        if (isset($params['slug']) && $post['slug'] != $params['slug']) {
            continue;
        }

        $posts[] = $post;
    }

    $posts = array_reverse($posts);

    return $posts;
}

function getProjects($params) {
    $Parsedown = new Parsedown();
    $mp = new MetaParsedown();

    $posts = array();

    $files = scandir('content/projects/');
    foreach($files as $file) {
        // Skip . and ..
        if (($file == '.') || ($file == '..')) {
            continue;
        }

        $content = file_get_contents('content/projects/' . $file);
        $meta = $mp->meta($content);
        $id = intval(substr($file, 0, -3));

        $project = array(
                    "title" => $meta["title"],
                    "status" => $meta["status"],
                    "urlrel" => "/projects/".$meta["slug"],
                    "url" => "https://yarmo.eu/projects/".$meta["slug"],
                    "slug" => $meta["slug"],
                    "date" => $meta["date"],
                    "listed" => $meta["listed"],
                    "content" => $mp->text($content));

        $date = new DateTime($project['date']);
        $project['date_formatted'] = $date->format('Y-m-d');
        $project['date_rss'] = $date->format('Y-m-d');

        if (!$project['listed'] && !(isset($params['slug']) && $project['slug'] == $params['slug'])) {
            continue;
        }
        if (isset($params['slug']) && $project['slug'] != $params['slug']) {
            continue;
        }

        $projects[] = $project;
    }

    return $projects;
}

function getFOSS() {
    return Yaml::parseFile('content/foss/foss.yaml');
}

function getVinyl() {
    return Yaml::parseFile('content/music/vinyl.yaml');
}

function getAOTW() {
    return Yaml::parseFile('content/music/aotw.yaml');
}

function getRSS($params) {
    header("Content-Type: text/xml");
    $feed = new Feed();

    $channel = new Channel();
    $channel
        ->title($params['feed']['title'])
        ->description($params['feed']['description'])
        ->url($params['feed']['url'])
        ->atomLinkSelf($params['feed']['linkself'])
        ->appendTo($feed);

    $dates = array_column($params['posts'], 'date');
    array_multisort($dates, SORT_DESC, $params['posts']);

    foreach($params['posts'] as $post) {
        $item = new Item();
        $item
            ->title($post['title'])
            ->creator($post['author'])
            // ->content($post['content'])
            ->description($post['content'])
            ->url($post['url'])
            ->guid($post['url'], true)
            ->pubDate(strtotime($post['date']))
            ->appendTo($channel);
    }

    echo $feed;
}