/*
 * Copyright 2009-2013, Axel Dörfler, axeld@pinc-software.de.
 * Copyright 2006, Ryan Leavengood, leavengood@gmail.com. All rights reserved.
 * Distributed under the terms of the MIT License.
 */


#include <E-mail.h>
#include <Entry.h>
#include <MailDaemon.h>
#include <mail_util.h>
#include <Message.h>
#include <Node.h>
#include <String.h>


extern "C" void
process_refs(entry_ref dir, BMessage* message, void* /*reserved*/)
{
        entry_ref ref;
        for (int i = 0; message->FindRef("refs", i, &ref) == B_OK; i++) {
                BNode node(&ref);
                BString type;

                if (node.InitCheck() == B_OK
                        && node.ReadAttrString("BEOS:TYPE", &type) == B_OK
                        && (type == B_MAIL_TYPE || type == B_PARTIAL_MAIL_TYPE)) {
                        BString previousStatus;
                        BString status("Read");
                        read_flags previousRead;
                        // if we're marking it via the add-on, we haven't really read it
                        // so use B_SEEN instead of B_READ
                        read_flags read = B_SEEN;

                        // Update the MAIL:read status to match
                        // Check both B_SEEN and B_READ
                        // (so we don't overwrite B_READ with B_SEEN)
                        if (read_read_attr(node, previousRead) != B_OK
                                || (previousRead != B_SEEN && previousRead != B_READ)) {
                                int32 account;
                                if (node.ReadAttr(B_MAIL_ATTR_ACCOUNT_ID, B_INT32_TYPE,
                                                0LL, &account, sizeof(account)) == sizeof(account))
                                        BMailDaemon().MarkAsRead(account, ref, read);
                                else
                                        write_read_attr(node, read);
                        }

                        // We want to keep the previous behavior of updating the status
                        // string, but write_read_attr will only change the status string
                        // if it's one of "New", "Seen", or "Read" (and not, for example,
                        // "Replied"), so we change the status string here
                        // Only update the attribute if there is an actual change
                        if (node.ReadAttrString(B_MAIL_ATTR_STATUS, &previousStatus) != B_OK
                                || previousStatus != status)
                                node.WriteAttrString(B_MAIL_ATTR_STATUS, &status);
                }
        }
}