$lang->load("editpost");

$plugins->run_hooks("editpost_start");

// No permission for guests
if(!$mybb->user['uid'])
{
    error_no_permission();
}

// Get post info
$pid = intval($mybb->input['pid']);

// if we already have the post information...
if(isset($style) && $style['pid'] == $pid && $style['type'] != 'f')
{
    $post = &$style;
}
else
{
    $query = $db->simple_select("posts", "*", "pid='$pid'");
    $post = $db->fetch_array($query);
}

if(!$post['pid'])
{
    error($lang->error_invalidpost);
}

// Get thread info
$tid = $post['tid'];
$thread = get_thread($tid);

if(!$thread['tid'])
{
    error($lang->error_invalidthread);
}

$thread['subject'] = htmlspecialchars_uni($thread['subject']);

// Get forum info
$fid = $post['fid'];
$forum = get_forum($fid);
if(!$forum || $forum['type'] != "f")
{
    error($lang->error_closedinvalidforum);
}
if($forum['open'] == 0 || $mybb->user['suspendposting'] == 1)
{
    error_no_permission();
}

// Add prefix to breadcrumb
$query = $db->simple_select('threadprefixes', 'displaystyle', "pid='{$thread['prefix']}'");
$breadcrumbprefix = $db->fetch_field($query, 'displaystyle');

if($breadcrumbprefix)
{
    $breadcrumbprefix .= ' ';
}

// Make navigation
build_forum_breadcrumb($fid);
add_breadcrumb($breadcrumbprefix.$thread['subject'], get_thread_link($thread['tid']));
add_breadcrumb($lang->nav_editpost);

$forumpermissions = forum_permissions($fid);

if($mybb->settings['bbcodeinserter'] != 0 && $forum['allowmycode'] != 0 && $mybb->user['showcodebuttons'] != 0)
{
    $codebuttons = build_mycode_inserter();
}
if($mybb->settings['smilieinserter'] != 0)
{
    $smilieinserter = build_clickable_smilies();
}

if(!$mybb->input['action'] || $mybb->input['previewpost'])
{
    $mybb->input['action'] = "editpost";
}

if($mybb->input['action'] == "deletepost" && $mybb->request_method == "post")
{
    if(!is_moderator($fid, "candeleteposts"))
    {
        if($thread['closed'] == 1)
        {
            error($lang->redirect_threadclosed);
        }
        if($forumpermissions['candeleteposts'] == 0)
        {
            error_no_permission();
        }
        if($mybb->user['uid'] != $post['uid'])
        {
            error_no_permission();
        }
    }
}
else
{
    if(!is_moderator($fid, "caneditposts"))
    {
        if($thread['closed'] == 1)
        {
            error($lang->redirect_threadclosed);
        }
        if($forumpermissions['caneditposts'] == 0)
        {
            error_no_permission();
        }
        if($mybb->user['uid'] != $post['uid'])
        {
            error_no_permission();
        }
        // Edit time limit
        $time = TIME_NOW;
        if($mybb->settings['edittimelimit'] != 0 && $post['dateline'] < ($time-($mybb->settings['edittimelimit']*60)))
        {
            $lang->edit_time_limit = $lang->sprintf($lang->edit_time_limit, $mybb->settings['edittimelimit']);
            error($lang->edit_time_limit);
        }
    }
}

// Check if this forum is password protected and we have a valid password
check_forum_password($forum['fid']);

if((empty($_POST) && empty($_FILES)) && $mybb->input['processed'] == '1')
{
    error($lang->error_cannot_upload_php_post);
}

if(!$mybb->input['attachmentaid'] && ($mybb->input['newattachment'] || $mybb->input['updateattachment'] || ($mybb->input['action'] == "do_editpost" && $mybb->input['submit'] && $_FILES['attachment'])))
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    if($mybb->input['posthash'])
    {
        $posthash_query = "posthash='".$db->escape_string($mybb->input['posthash'])."' OR ";
    }
    else
    {
        $posthash_query = "";
    }
    $query = $db->simple_select("attachments", "COUNT(aid) as numattachs", "{$posthash_query}pid='{$pid}'");
    $attachcount = $db->fetch_field($query, "numattachs");

    // If there's an attachment, check it and upload it
    if($_FILES['attachment']['size'] > 0 && $forumpermissions['canpostattachments'] != 0 && ($mybb->settings['maxattachments'] == 0 || $attachcount < $mybb->settings['maxattachments']))
    {
        $update_attachment = false;
        if($mybb->input['updateattachment'] && ($mybb->usergroup['caneditattachments'] || $forumpermissions['caneditattachments']))
        {
            $update_attachment = true;
        }
        $attachedfile = upload_attachment($_FILES['attachment'], $update_attachment);
    }
    if($attachedfile['error'])
    {
        eval("\$attacherror = \"".$templates->get("error_attacherror")."\";");
        $mybb->input['action'] = "editpost";
    }
    if(!$mybb->input['submit'])
    {
        $mybb->input['action'] = "editpost";
    }
}

if($mybb->input['attachmentaid'] && isset($mybb->input['attachmentact']) && $mybb->input['action'] == "do_editpost" && $mybb->request_method == "post") // Lets remove/approve/unapprove the attachment
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    $mybb->input['attachmentaid'] = intval($mybb->input['attachmentaid']);
    if($mybb->input['attachmentact'] == "remove")
    {
        remove_attachment($pid, "", $mybb->input['attachmentaid']);
    }
    elseif($mybb->input['attachmentact'] == "approve" && is_moderator($fid, 'caneditposts'))
    {
        $update_sql = array("visible" => 1);
        $db->update_query("attachments", $update_sql, "aid='{$mybb->input['attachmentaid']}'");
    }
    elseif($mybb->input['attachmentact'] == "unapprove" && is_moderator($fid, 'caneditposts'))
    {
        $update_sql = array("visible" => 0);
        $db->update_query("attachments", $update_sql, "aid='{$mybb->input['attachmentaid']}'");
    }
    if(!$mybb->input['submit'])
    {
        $mybb->input['action'] = "editpost";
    }
}

if($mybb->input['action'] == "deletepost" && $mybb->request_method == "post")
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    $plugins->run_hooks("editpost_deletepost");

    if($mybb->input['delete'] == 1)
    {
        $query = $db->simple_select("posts", "pid", "tid='{$tid}'", array("limit" => 1, "order_by" => "dateline", "order_dir" => "asc"));
        $firstcheck = $db->fetch_array($query);
        if($firstcheck['pid'] == $pid)
        {
            $firstpost = 1;
        }
        else
        {
            $firstpost = 0;
        }

        $modlogdata['fid'] = $fid;
        $modlogdata['tid'] = $tid;
        if($firstpost)
        {
            if($forumpermissions['candeletethreads'] == 1 || is_moderator($fid, "candeletethreads"))
            {
                delete_thread($tid);
                mark_reports($tid, "thread");
                log_moderator_action($modlogdata, $lang->thread_deleted);
                redirect(get_forum_link($fid), $lang->redirect_threaddeleted);
            }
            else
            {
                error_no_permission();
            }
        }
        else
        {
            if($forumpermissions['candeleteposts'] == 1 || is_moderator($fid, "candeleteposts"))
            {
                // Select the first post before this
                delete_post($pid, $tid);
                mark_reports($pid, "post");
                log_moderator_action($modlogdata, $lang->post_deleted);
                $query = $db->simple_select("posts", "pid", "tid='{$tid}' AND dateline <= '{$post['dateline']}'", array("limit" => 1, "order_by" => "dateline", "order_dir" => "desc"));
                $next_post = $db->fetch_array($query);
                if($next_post['pid'])
                {
                    $redirect = get_post_link($next_post['pid'], $tid)."#pid{$next_post['pid']}";
                }
                else
                {
                    $redirect = get_thread_link($tid);
                }
                redirect($redirect, $lang->redirect_postdeleted);
            }
            else
            {
                error_no_permission();
            }
        }
    }
    else
    {
        error($lang->redirect_nodelete);
    }
}

if($mybb->input['action'] == "do_editpost" && $mybb->request_method == "post")
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    $plugins->run_hooks("editpost_do_editpost_start");

    // Set up posthandler.
    require_once MYBB_ROOT."inc/datahandlers/post.php";
    $posthandler = new PostDataHandler("update");
    $posthandler->action = "post";

    // Set the post data that came from the input to the $post array.
    $post = array(
        "pid" => $mybb->input['pid'],
        "prefix" => $mybb->input['threadprefix'],
        "subject" => $mybb->input['subject'],
        "icon" => $mybb->input['icon'],
        "uid" => $mybb->user['uid'],
        "username" => $mybb->user['username'],
        "edit_uid" => $mybb->user['uid'],
        "message" => $mybb->input['message'],
    );

    // Set up the post options from the input.
    $post['options'] = array(
        "signature" => $mybb->input['postoptions']['signature'],
        "subscriptionmethod" => $mybb->input['postoptions']['subscriptionmethod'],
        "disablesmilies" => $mybb->input['postoptions']['disablesmilies']
    );

    $posthandler->set_data($post);

    // Now let the post handler do all the hard work.
    if(!$posthandler->validate_post())
    {
        $post_errors = $posthandler->get_friendly_errors();
        $post_errors = inline_error($post_errors);
        $mybb->input['action'] = "editpost";
    }
    // No errors were found, we can call the update method.
    else
    {
        $postinfo = $posthandler->update_post();
        $visible = $postinfo['visible'];
        $first_post = $postinfo['first_post'];

        // Help keep our attachments table clean.
        $db->delete_query("attachments", "filename='' OR filesize<1");

        // Did the user choose to post a poll? Redirect them to the poll posting page.
        if($mybb->input['postpoll'] && $forumpermissions['canpostpolls'])
        {
            $url = "polls.php?action=newpoll&tid=$tid&polloptions=".intval($mybb->input['numpolloptions']);
            $lang->redirect_postedited = $lang->redirect_postedited_poll;
        }
        else if($visible == 0 && $first_post && !is_moderator($fid, "", $mybb->user['uid']))
        {
            // Moderated post
            $lang->redirect_postedited .= $lang->redirect_thread_moderation;
            $url = get_forum_link($fid);
        }
        else if($visible == 0 && !is_moderator($fid, "", $mybb->user['uid']))
        {
            $lang->redirect_postedited .= $lang->redirect_post_moderation;
            $url = get_thread_link($tid);
        }
        // Otherwise, send them back to their post
        else
        {
            $lang->redirect_postedited .= $lang->redirect_postedited_redirect;
            $url = get_post_link($pid, $tid)."#pid{$pid}";
        }
        $plugins->run_hooks("editpost_do_editpost_end");

        redirect($url, $lang->redirect_postedited);
    }
}

if(!$mybb->input['action'] || $mybb->input['action'] == "editpost")
{
    $plugins->run_hooks("editpost_action_start");

    if(!$mybb->input['previewpost'])
    {
        $icon = $post['icon'];
    }

    if($forum['allowpicons'] != 0)
    {
        $posticons = get_post_icons();
    }

    if($mybb->user['uid'] != 0)
    {
        eval("\$loginbox = \"".$templates->get("changeuserbox")."\";");
    }
    else
    {
        eval("\$loginbox = \"".$templates->get("loginbox")."\";");
    }

    // Setup a unique posthash for attachment management
    $posthash = htmlspecialchars_uni($post['posthash']);

    $bgcolor = "trow1";
    if($forumpermissions['canpostattachments'] != 0)
    { // Get a listing of the current attachments, if there are any
        $attachcount = 0;
        if($posthash)
        {
            $posthash_query = "posthash='{$posthash}' OR ";
        }
        else
        {
            $posthash_query = "";
        }
        $query = $db->simple_select("attachments", "*", "{$posthash_query}pid='{$pid}'");
        $attachments = '';
        while($attachment = $db->fetch_array($query))
        {
            $attachment['size'] = get_friendly_size($attachment['filesize']);
            $attachment['icon'] = get_attachment_icon(get_extension($attachment['filename']));
            $attachment['filename'] = htmlspecialchars_uni($attachment['filename']);

            if($mybb->settings['bbcodeinserter'] != 0 && $forum['allowmycode'] != 0 && (!$mybb->user['uid'] || $mybb->user['showcodebuttons'] != 0))
            {
                eval("\$postinsert = \"".$templates->get("post_attachments_attachment_postinsert")."\";");
            }
            // Moderating options
            $attach_mod_options = '';
            if(is_moderator($fid))
            {
                if($attachment['visible'] == 1)
                {
                    eval("\$attach_mod_options = \"".$templates->get("post_attachments_attachment_mod_unapprove")."\";");
                }
                else
                {
                    eval("\$attach_mod_options = \"".$templates->get("post_attachments_attachment_mod_approve")."\";");
                }
            }

            // Remove Attachment
            eval("\$attach_rem_options = \"".$templates->get("post_attachments_attachment_remove")."\";");

            if($attachment['visible'] != 1)
            {
                eval("\$attachments .= \"".$templates->get("post_attachments_attachment_unapproved")."\";");
            }
            else
            {
                eval("\$attachments .= \"".$templates->get("post_attachments_attachment")."\";");
            }
            $attachcount++;
        }
        $query = $db->simple_select("attachments", "SUM(filesize) AS ausage", "uid='".$mybb->user['uid']."'");
        $usage = $db->fetch_array($query);
        if($usage['ausage'] > ($mybb->usergroup['attachquota']*1024) && $mybb->usergroup['attachquota'] != 0)
        {
            $noshowattach = 1;
        }
        if($mybb->usergroup['attachquota'] == 0)
        {
            $friendlyquota = $lang->unlimited;
        }
        else
        {
            $friendlyquota = get_friendly_size($mybb->usergroup['attachquota']*1024);
        }
        $friendlyusage = get_friendly_size($usage['ausage']);
        $lang->attach_quota = $lang->sprintf($lang->attach_quota, $friendlyusage, $friendlyquota);
        if($mybb->settings['maxattachments'] == 0 || ($mybb->settings['maxattachments'] != 0 && $attachcount < $mybb->settings['maxattachments']) && !$noshowattach)
        {
            if($mybb->usergroup['caneditattachments'] || $forumpermissions['caneditattachments'])
            {
                eval("\$attach_update_options = \"".$templates->get("post_attachments_update")."\";");
            }

            eval("\$newattach = \"".$templates->get("post_attachments_new")."\";");
        }
        eval("\$attachbox = \"".$templates->get("post_attachments")."\";");
    }
    if(!$mybb->input['attachmentaid'] && !$mybb->input['newattachment'] && !$mybb->input['updateattachment'] && !$mybb->input['previewpost'] && !$maximageserror)
    {
        $message = $post['message'];
        $subject = $post['subject'];
    }
    else
    {
        $message = $mybb->input['message'];
        $subject = $mybb->input['subject'];
    }

    if($mybb->input['previewpost'] || $post_errors)
    {
        // Set up posthandler.
        require_once MYBB_ROOT."inc/datahandlers/post.php";
        $posthandler = new PostDataHandler("update");
        $posthandler->action = "post";

        // Set the post data that came from the input to the $post array.
        $post = array(
            "pid" => $mybb->input['pid'],
            "prefix" => $mybb->input['threadprefix'],
            "subject" => $mybb->input['subject'],
            "icon" => $mybb->input['icon'],
            "uid" => $post['uid'],
            "edit_uid" => $mybb->user['uid'],
            "message" => $mybb->input['message'],
        );

        if(!$mybb->input['previewpost'])
        {
            $post['uid'] = $mybb->user['uid'];
            $post['username'] = $mybb->user['username'];
        }

        // Set up the post options from the input.
        $post['options'] = array(
            "signature" => $mybb->input['postoptions']['signature'],
            "emailnotify" => $mybb->input['postoptions']['emailnotify'],
            "disablesmilies" => $mybb->input['postoptions']['disablesmilies']
        );

        $posthandler->set_data($post);

        // Now let the post handler do all the hard work.
        if(!$posthandler->validate_post())
        {
            $post_errors = $posthandler->get_friendly_errors();
            $post_errors = inline_error($post_errors);
            $mybb->input['action'] = "editpost";
            $mybb->input['previewpost'] = 0;
        }
        else
        {
            $previewmessage = $message;
            $previewsubject = $subject;
            $message = htmlspecialchars_uni($message);
            $subject = htmlspecialchars_uni($subject);

            $postoptions = $mybb->input['postoptions'];

            if($postoptions['signature'] == 1)
            {
                $postoptionschecked['signature'] = " checked=\"checked\"";
            }

            if($postoptions['subscriptionmethod'] == "none")
            {
                $postoptions_subscriptionmethod_none = "checked=\"checked\"";
            }
            else if($postoptions['subscriptionmethod'] == "instant")
            {
                $postoptions_subscriptionmethod_instant = "checked=\"checked\"";
            }
            else
            {
                $postoptions_subscriptionmethod_dont = "checked=\"checked\"";
            }

            if($postoptions['disablesmilies'] == 1)
            {
                $postoptionschecked['disablesmilies'] = " checked=\"checked\"";
            }
        }
    }

    if($mybb->input['previewpost'])
    {
        // Figure out the poster's other information.
        $query = $db->query("
            SELECT u.*, f.*, p.dateline
            FROM ".TABLE_PREFIX."users u
            LEFT JOIN ".TABLE_PREFIX."userfields f ON (f.ufid=u.uid)
            LEFT JOIN ".TABLE_PREFIX."posts p ON (p.uid=u.uid)
            WHERE u.uid='{$post['uid']}' AND p.pid='{$pid}'
            LIMIT 1
        ");
        $postinfo = $db->fetch_array($query);

        $query = $db->simple_select("attachments", "*", "pid='{$pid}'");
        while($attachment = $db->fetch_array($query))
        {
            $attachcache[0][$attachment['aid']] = $attachment;
        }

        // Set the values of the post info array.
        $postinfo['userusername'] = $postinfo['username'];
        $postinfo['message'] = $previewmessage;
        $postinfo['subject'] = $previewsubject;
        $postinfo['icon'] = $icon;
        $postinfo['smilieoff'] = $postoptions['disablesmilies'];

        $postbit = build_postbit($postinfo, 1);
        eval("\$preview = \"".$templates->get("previewpost")."\";");
    }
    else if(!$post_errors)
    {
        $message = htmlspecialchars_uni($message);
        $subject = htmlspecialchars_uni($subject);

        if($post['includesig'] != 0)
        {
            $postoptionschecked['signature'] = " checked=\"checked\"";
        }

        if($post['smilieoff'] == 1)
        {
            $postoptionschecked['disablesmilies'] = " checked=\"checked\"";
        }

        $query = $db->simple_select("threadsubscriptions", "notification", "tid='{$tid}' AND uid='{$mybb->user['uid']}'");
        if($db->num_rows($query) > 0)
        {
            $notification = $db->fetch_field($query, 'notification');

            if($notification ==  0)
            {
                $postoptions_subscriptionmethod_none = "checked=\"checked\"";
            }
            else if($notification == 1)
            {
                $postoptions_subscriptionmethod_instant = "checked=\"checked\"";
            }
            else
            {
                $postoptions_subscriptionmethod_dont = "checked=\"checked\"";
            }
        }
    }

    // Generate thread prefix selector if this is the first post of the thread
    if($thread['firstpost'] == $pid)
    {
        if(!intval($mybb->input['threadprefix']))
        {
            $mybb->input['threadprefix'] = $thread['prefix'];
        }

        $prefixselect = build_prefix_select($forum['fid'], $mybb->input['threadprefix']);
    }
    else
    {
        $prefixselect = "";
    }

    // Fetch subscription select box
    $bgcolor = "trow1";
    eval("\$subscriptionmethod = \"".$templates->get("post_subscription_method")."\";");

    $bgcolor2 = "trow2";
    $query = $db->simple_select("posts", "*", "tid='{$tid}'", array("limit" => 1, "order_by" => "dateline", "order_dir" => "asc"));
    $firstcheck = $db->fetch_array($query);
    if($firstcheck['pid'] == $pid && $forumpermissions['canpostpolls'] != 0 && $thread['poll'] < 1)
    {
        $lang->max_options = $lang->sprintf($lang->max_options, $mybb->settings['maxpolloptions']);
        $numpolloptions = "2";
        eval("\$pollbox = \"".$templates->get("newthread_postpoll")."\";");
    }

    // Can we disable smilies or are they disabled already?
    if($forum['allowsmilies'] != 0)
    {
        eval("\$disablesmilies = \"".$templates->get("editpost_disablesmilies")."\";");
    }
    else
    {
        $disablesmilies = "<input type=\"hidden\" name=\"postoptions[disablesmilies]\" value=\"no\" />";
    }

    $plugins->run_hooks("editpost_end");

    $forum['name'] = strip_tags($forum['name']);

    eval("\$editpost = \"".$templates->get("editpost")."\";");
    output_page($editpost);
}
?>