<?php
session_start();
require_once '../model/LocalArticleManager.php';
require_once '../model/ArticleManager.php';
require_once '../model/Article.php';

// Angaben aus übergebener ID setzen:
if (isset($_GET["id"])){ // TODO: Später aus Session den Nutzer auslesen und Autorenrechte prüfen!
    try {
        $articleManager = ArticleManager::getInstance();
        $article = $articleManager->getArticle($_GET["id"]);
        if($article != null){
            $title = $article->getTitle();
            $content = $article->getContent();
            $category = $article->getCategory();
            $author = $article->getAuthor();
            $tags = $article->getTags();
        }else{
            $_SESSION["message"] = "article_not_found";
            echo "article_not_found";
        }
    } catch (Exception $e){
        $_SESSION["message"] = "internal_error";
        echo "Fehler aufgetreten: " . $e->getMessage();
    }
}else{
    $_SESSION["message"] = "article_not_found";
}

// Wenn "speichern" gedrückt wurde:
if ($_SERVER["REQUEST_METHOD"] === "POST") {
    if(!isset($_POST["title"]) ||!isset($_POST["content"]) || !isset($_POST["category"])){
        $_SESSION["message"] = "missing_parameters";
        header("location: ../../index.php?pfad=updateArticle");
        exit();
    } else {

        $newTitle = $_POST["title"];
        $newContent = $_POST["content"];
        $newCategory = $_POST["category"];
        $author = "max.mustermann"; // TODO: später aus Session den angemeldeten Nutzer beziehen.
        $newTags = $_POST["tags"];

        try {
            $articleManager = ArticleManager::getInstance();
            $articleManager->updateArticle(new Article($newTitle, $newContent, $newCategory, $author, $newTags), $author);
        } catch (Exception $e){
            $_SESSION["message"] = "internal_error";
        }
        $_SESSION["message"] = "new_article";
        // Weiterleitung zur Homepage
        header("location: ../../index.php");
        exit();

    }
}

?>