<?php

namespace brain\data;

use Mni\FrontYAML\Parser;
use brain\data\Settings;
use brain\data\Book;
use brain\utility\Sorting;
use brain\utility\DocTools;

use function _\find;

class Render
{
    public $loader;
    public $twig;
    public $pageInfo;
    public $menu;
    public $background;
    public function __construct()
    {
        $config = new Settings();
        //TODO: Add theme folder to loader
        $settings = $config->getSettings();
        $this->menu = $settings["menu"];
        $this->theme = $settings["global"]["theme"];
        $this->loader = new \Twig\Loader\FilesystemLoader("../content/themes/" . $this->theme);
        $this->twig = new \Twig\Environment($this->loader, []);
        $this->pageInfo = [
            "keywords" => isset($settings["global"]["keywords"])
                ? $settings["global"]["keywords"]
                : "fipamo, blog, jamstack, php, markdown, js",
            "description" => $settings["global"]["descriptions"],
            "image" =>
                $settings["global"]["base_url"] . $settings["global"]["background"],
            "baseURL" => $settings["global"]["base_url"],
        ];
        //move global theme image assets to public folder
        foreach (
            new \DirectoryIterator("../content/themes/" . $this->theme . "/assets/images/global/") as $file
        ) {
            if ($file->isDot()) {
                continue;
            }
            if (!is_file("../public/assets/images/global/" . $file->getFileName())) {
                copy(
                    "../content/themes/" .
                        $this->theme .
                        "/assets/images/global/" .
                        $file->getFileName(),
                    "../public/assets/images/global/" . $file->getFileName()
                );
            } else {
                //image is already there, so chill
            }
            //print $file->getFilename() . "\n";
        }

        //copy current theme assets to public

        //clear files in css and scripts folder
        $styles = glob('../public/assets/css/*'); // get all file names
        foreach ($styles as $file) { // iterate files
            if (is_file($file)) {
                //don't erase dashboard css
                if (!$file == '../public/assets/css/dash.css') {
                    unlink($file); // delete file
                }
            }
        }

        $scripts = glob('../public/assets/scripts/*'); // get all file names
        foreach ($scripts as $file) { // iterate files
            if (is_file($file)) {
                if (!$file == "../public/assets/scripts/Start.js") {
                    unlink($file); // delete file
                }
            }
        }
        //copy theme assets to public
        $newcss = glob("../content/themes/" . $this->theme . "/assets/css/*");
        foreach ($newcss as $file) { // iterate files
            if (is_file($file)) {
                $path = explode("/", $file);
                copy($file, "../public/assets/css/" . $path[6]);
            }
        }
        $newjs = glob("../content/themes/" . $this->theme . "/assets/scripts/*");
        foreach ($newjs as $file) { // iterate files
            if (is_file($file)) {
                $path = explode("/", $file);
                copy($file, "../public/assets/scripts/" . $path[6]);
            }
        }
    }

    public function renderPages()
    {
        $pages = (new Book())->getContents();
        $recent = [];
        $featured = [];
        $limit = 4;
        foreach ($pages as $page) {
            $pageOptions = Sorting::page($page);

            $layout = $page["layout"];
            //new pages have no layout, so defautl for now
            if ($layout == "" || $layout == null) {
                $layout = "page";
            }

            $template = $layout . ".twig";
            if (str_contains($page["layout"], "index")) {
                $location = "../public/index.html";
                $dir = null;
            } else {
                // if page is a menu item, render the page on public root
                if ($page["menu"] == "true") {
                    $location = "../public/" . $page["slug"] . ".html";
                    $dir = "../public/";
                } else {
                    $location =
                        "../public/" . $page["path"] . "/" . $page["slug"] . ".html";
                    $dir = "../public/" . $page["path"];
                }
            }

            $html = $this->twig->render($template, $pageOptions);
            DocTools::writeHTML($location, $html, $dir);
        }
    }

    public function renderArchive()
    {
        $archive = Sorting::archive();
        $template = "archive.twig";
        $pageOptions = [
            "title" => "Archive",
            "background" => $this->pageInfo["image"],
            "archives" => $archive,
            "info" => $this->pageInfo,
            "menu" => $this->menu,
        ];

        $html = $this->twig->render($template, $pageOptions);
        $location = "../public/archives.html";
        DocTools::writeHTML($location, $html);
    }

    public function renderTags()
    {
        $list = Sorting::tags();
        foreach ($list as $item) {
            $template = "tags.twig";
            $pageOptions = [
                "title" => "Pages Tagged as " . $item["tag_name"],
                "background" => $this->pageInfo["image"],
                "tag_list" => $item["pages"],
                "info" => $this->pageInfo,
                "menu" => $this->menu,
            ];

            $html = $this->twig->render($template, $pageOptions);

            $location = "../public/tags/" . $item["slug"] . ".html";

            //if tags folder doesn't exist, make it
            if (!is_dir("../public/tags")) {
                mkdir("../public/tags", 0755, true);
            } else {
            }

            if (!is_file($location)) {
                file_put_contents($location, $html);
            } else {
                ($new = fopen($location, "w")) or die("Unable to open file!");
                fwrite($new, $html);
                fclose($new);
            }
        }
    }

    public function renderIndex()
    {
        //TODO: Need to fix this to account for new index templating system
        $pages = (new Book())->getContents();
        $index = find($pages, ["layout" => "index"]);
        $template = "index.twig";
        $location = "../public/index.html";
        $dir = null;

        $meta = [
            "who" => $index["author"],
            "when" => $index["created"],
        ];

        $pageOptions = [
            "title" => $index["title"],
            "background" => $index["feature"],
            "meta" => $meta,
        ];

        $html = $this->twig->render($template, $pageOptions);
        DocTools::writeHTML($location, $html, $dir);
    }
}