/*
 *  Copyright (C) 2015-2016 Savoir-faire Linux Inc.
 *  Author: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
 */

#include "accounts.h"

#include <accountmodel.h>

/**
 * returns TRUE if a RING account exists; FALSE otherwise
 */
gboolean
has_ring_account()
{
    return !AccountModel::instance().getAccountsByProtocol(Account::Protocol::RING).isEmpty();
}

/**
 * itterates through all existing accounts and make sure all RING accounts have
 * a display name set; if a display name is empty, it is set to the alias of the
 * account
 */
void
force_ring_display_name()
{
    auto ringaccounts = AccountModel::instance().getAccountsByProtocol(Account::Protocol::RING);
    for (int i = 0; i < ringaccounts.size(); ++i) {
        auto account = ringaccounts.at(i);
        if (account->displayName().isEmpty()) {
            g_debug("updating RING account display name to: %s", account->alias().toUtf8().constData());
            account->setDisplayName(account->alias());
            account << Account::EditAction::SAVE;
        }
    }
}

/**
 * Finds and returns the first RING account, in order of priority:
 * 1. registered
 * 2. enabled
 * 3. existing
 *
 * Returns a nullptr if no RING acconts exist
 */
Account*
get_active_ring_account()
{
    /* get the users Ring account
     * if multiple accounts exist, get the first one which is registered,
     * if none, then the first one which is enabled,
     * if none, then the first one in the list of ring accounts
     */
    Account *registered_account = nullptr;
    Account *enabled_account = nullptr;
    Account *ring_account = nullptr;
    int a_count = AccountModel::instance().rowCount();
    for (int i = 0; i < a_count && !registered_account; ++i) {
        QModelIndex idx = AccountModel::instance().index(i, 0);
        Account *account = AccountModel::instance().getAccountByModelIndex(idx);
        if (account->protocol() == Account::Protocol::RING) {
            /* got RING account, check if active */
            if (account->isEnabled()) {
                /* got enabled account, check if connected */
                if (account->registrationState() == Account::RegistrationState::READY) {
                    /* got registered account, use this one */
                    registered_account = enabled_account = ring_account = account;
                    // g_debug("got registered account: %s", ring_account->alias().toUtf8().constData());
                } else {
                    /* not registered, but enabled, use if its the first one */
                    if (!enabled_account) {
                        enabled_account = ring_account = account;
                        // g_debug("got enabled ring accout: %s", ring_account->alias().toUtf8().constData());
                    }
                }
            } else {
                /* not enabled, but a Ring account, use if its the first one */
                if (!ring_account) {
                    ring_account = account;
                    // g_debug("got ring account: %s", ring_account->alias().toUtf8().constData());
                }
            }
        }
    }

    return ring_account;
}