/* Copyright (c) 2015-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "mail-storage.h"
#include "mail-types.h"

#include "push-notification-drivers.h"
#include "push-notification-events.h"
#include "push-notification-event-messageread.h"
#include "push-notification-txn-msg.h"


#define EVENT_NAME "MessageRead"


static void push_notification_event_messageread_debug_msg
(struct push_notification_txn_event *event ATTR_UNUSED)
{
    i_debug("%s: Message was flagged as seen", EVENT_NAME);
}

static void push_notification_event_messageread_event(
    struct push_notification_txn *ptxn,
    struct push_notification_event_config *ec,
    struct push_notification_txn_msg *msg,
    struct mail *mail,
    enum mail_flags old_flags)
{
    struct push_notification_event_messageread_data *data;
    enum mail_flags flags;

    /* If data struct exists, that means the read flag was changed. */
    data = push_notification_txn_msg_get_eventdata(msg, EVENT_NAME);
    if ((data == NULL) && !(old_flags & MAIL_SEEN)) {
        flags = mail_get_flags(mail);
        if (flags & MAIL_SEEN) {
            data = p_new(ptxn->pool,
                         struct push_notification_event_messageread_data, 1);
            data->read = TRUE;
            push_notification_txn_msg_set_eventdata(ptxn, msg, ec, data);
        }
    }
}


/* Event definition */

extern struct push_notification_event push_notification_event_messageread;

struct push_notification_event push_notification_event_messageread = {
    .name = EVENT_NAME,
    .msg = {
        .debug_msg = push_notification_event_messageread_debug_msg
    },
    .msg_triggers = {
        .flagchange = push_notification_event_messageread_event
    }
};