<?php
/**
 * Edit forum post
 *
 * @package   MyAAC
 * @author    Gesior <jerzyskalski@wp.pl>
 * @author    Slawkens <slawkens@gmail.com>
 * @copyright 2019 MyAAC
 * @link      https://my-aac.org
 */

use MyAAC\Forum;

defined('MYAAC') or die('Direct access not allowed!');

$ret = require __DIR__ . '/base.php';
if ($ret === false) {
	return;
}

if(!$logged) {
	echo 'You are not logged in. <a href="' . getLink('account/manage') . '?redirect=' . urlencode(getLink('forum')) . '">Log in</a> to post on the forum.<br /><br />';
	return;
}

csrfProtect();

if(Forum::canPost($account_logged)) {
	$post_id = isset($_REQUEST['id']) ? (int) $_REQUEST['id'] : false;
	if(!$post_id) {
		$errors[] = 'Please enter post id.';
		displayErrorBoxWithBackButton($errors, getLink('forum'));
		return;
	}

	$thread = $db->query("SELECT `author_guid`, `author_aid`, `first_post`, `post_topic`, `post_date`, `post_text`, `post_smile`, `post_html`, `id`, `section` FROM `" . FORUM_TABLE_PREFIX . "forum` WHERE `id` = ".$post_id." LIMIT 1")->fetch();
	if(isset($thread['id'])) {
		$first_post = $db->query("SELECT `" . FORUM_TABLE_PREFIX . "forum`.`author_guid`, `" . FORUM_TABLE_PREFIX . "forum`.`author_aid`, `" . FORUM_TABLE_PREFIX . "forum`.`first_post`, `" . FORUM_TABLE_PREFIX . "forum`.`post_topic`, `" . FORUM_TABLE_PREFIX . "forum`.`post_text`, `" . FORUM_TABLE_PREFIX . "forum`.`post_smile`, `" . FORUM_TABLE_PREFIX . "forum`.`id`, `" . FORUM_TABLE_PREFIX . "forum`.`section` FROM `" . FORUM_TABLE_PREFIX . "forum` WHERE `" . FORUM_TABLE_PREFIX . "forum`.`id` = ".(int) $thread['first_post']." LIMIT 1")->fetch();
		echo '<a href="' . getLink('forum') . '">Boards</a> >> <a href="' . getForumBoardLink($thread['section']) . '">'.escapeHtml($sections[$thread['section']]['name']).'</a> >> <a href="' . getForumThreadLink($thread['first_post']) . '">'.htmlspecialchars($first_post['post_topic']).'</a> >> <b>Edit post</b>';

		if(Forum::hasAccess($thread['section']) && ($account_logged->getId() == $thread['author_aid'] || Forum::isModerator())) {
			$char_id = $post_topic = $text = $smile = $html = null;
			$players_from_account = $db->query("SELECT `players`.`name`, `players`.`id` FROM `players` WHERE `players`.`account_id` = ".(int) $account_logged->getId())->fetchAll();
			$saved = false;
			if(isset($_POST['save'])) {
				$text = stripslashes(trim($_POST['text']));
				$char_id = (int) $_POST['char_id'];
				$post_topic = stripslashes(trim($_POST['topic']));
				$smile = isset($_POST['smile']) ? (int)$_POST['smile'] : 0;
				$html = isset($_POST['html']) ? (int)$_POST['html'] : 0;

				if (!superAdmin()) {
					$html = 0;
				}

				$length = strlen($post_topic);
				if(($length < 1 || $length > 60) && $thread['id'] == $thread['first_post']) {
					$errors[] = "Too short or too long topic (Length: $length letters). Minimum 1 letter, maximum 60 letters.";
				}

				$length = strlen($text);
				if($length < 1 || $length > 15000) {
					$errors[] = "Too short or too long post (Length: $length letters). Minimum 1 letter, maximum 15000 letters.";
				}

				if($char_id == 0) {
					$errors[] = 'Please select a character.';
				}

				if(empty($post_topic) && $thread['id'] == $thread['first_post']) {
					$errors[] = 'Thread topic can\'t be empty.';
				}

				$player_on_account = false;

				if(count($errors) == 0) {
					foreach($players_from_account as $player) {
						if ($char_id == $player['id']) {
							$player_on_account = true;
						}
					}

					if(!$player_on_account) {
						$errors[] = 'Player with selected ID ' . $char_id . ' doesn\'t exist or isn\'t on your account';
					}
				}

				if(count($errors) == 0) {
					$saved = true;
					if($account_logged->getId() != $thread['author_aid'])
						$char_id = $thread['author_guid'];
					$db->query("UPDATE `" . FORUM_TABLE_PREFIX . "forum` SET `author_guid` = ".(int) $char_id.", `post_text` = ".$db->quote($text).", `post_topic` = ".$db->quote($post_topic).", `post_smile` = ".$smile.", `post_html` = ".$html.", `last_edit_aid` = ".(int) $account_logged->getId().",`edit_date` = ".time()." WHERE `id` = ".(int) $thread['id']);
					$post_page = $db->query("SELECT COUNT(`" . FORUM_TABLE_PREFIX . "forum`.`id`) AS posts_count FROM `players`, `" . FORUM_TABLE_PREFIX . "forum` WHERE `players`.`id` = `" . FORUM_TABLE_PREFIX . "forum`.`author_guid` AND `" . FORUM_TABLE_PREFIX . "forum`.`post_date` <= ".$thread['post_date']." AND `" . FORUM_TABLE_PREFIX . "forum`.`first_post` = ".(int) $thread['first_post'])->fetch();
					$_page = (int) ceil($post_page['posts_count'] / setting('core.forum_threads_per_page')) - 1;
					header('Location: ' . getForumThreadLink($thread['first_post'], $_page));
					echo '<br />Thank you for editing post.<br /><a href="' . getForumThreadLink($thread['first_post'], $_page) . '">GO BACK TO LAST THREAD</a>';
				}
			}
			else {
				$text = $thread['post_text'];
				$char_id = (int) $thread['author_guid'];
				$post_topic = $thread['post_topic'];
				$smile = (int) $thread['post_smile'];
				$html = (int) $thread['post_html'];
			}

			if(!$saved) {
				if(!empty($errors)) {
					$twig->display('error_box.html.twig', array('errors' => $errors));
				}

				$twig->display('forum.edit_post.html.twig', array(
					'post_id' => $post_id,
					'players' => $players_from_account,
					'player_id' => $char_id,
					'post_topic' => $canEdit ? $post_topic : htmlspecialchars($post_topic),
					'post_text' => $canEdit ? $text : htmlspecialchars($text),
					'post_smile' => $smile > 0,
					'post_html' => $html > 0,
					'html' => $html,
					'canEdit' => $canEdit
				));
			}
		}
		else {
			$errors[] = 'You are not an author of this post.';
			displayErrorBoxWithBackButton($errors, getLink('forum'));
		}
	}
	else {
		$errors[] = "Post with ID $post_id doesn't exist.";
		displayErrorBoxWithBackButton($errors, getLink('forum'));
	}
}
else {
	$errors[] = "Your account is banned, deleted or you don't have any player with level " . setting('core.forum_level_required') . " on your account. You can't post.";
	displayErrorBoxWithBackButton($errors, getLink('forum'));
}
