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/*
 * Copyright (c) 2010-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swift/Controllers/Roster/RosterGroupExpandinessPersister.h>

#include <vector>

#include <boost/bind.hpp>

#include <Swiften/Base/String.h>

#include <Swift/Controllers/Roster/GroupRosterItem.h>
#include <Swift/Controllers/SettingConstants.h>

namespace Swift {

RosterGroupExpandinessPersister::RosterGroupExpandinessPersister(Roster* roster, SettingsProvider* settings) : roster_(roster), settings_(settings) {
    load();
    roster_->onGroupAdded.connect(boost::bind(&RosterGroupExpandinessPersister::handleGroupAdded, this, _1));
}

void RosterGroupExpandinessPersister::handleGroupAdded(GroupRosterItem* group) {
    if (collapsed_.find(group->getDisplayName()) != collapsed_.end()) {
        group->setExpanded(false);
    } else {
        group->setExpanded(true);
    }
    group->onExpandedChanged.connect(boost::bind(&RosterGroupExpandinessPersister::handleExpandedChanged, this, group, _1));
}

void RosterGroupExpandinessPersister::handleExpandedChanged(GroupRosterItem* group, bool expanded) {
    if (expanded) {
        std::string displayName = group->getDisplayName();
        //collapsed_.erase(std::remove(collapsed_.begin(), collapsed_.end(), displayName), collapsed_.end());
        collapsed_.erase(displayName);
    } else {
        collapsed_.insert(group->getDisplayName());
    }
    save();
}

void RosterGroupExpandinessPersister::save() {
    std::string setting;
    for (const auto& group : collapsed_) {
        if (!setting.empty()) {
            setting += "\n";
        }
        setting += group;
    }
    settings_->storeSetting(SettingConstants::EXPANDED_ROSTER_GROUPS, setting);
}

void RosterGroupExpandinessPersister::load() {
    std::string saved = settings_->getSetting(SettingConstants::EXPANDED_ROSTER_GROUPS);
    std::vector<std::string> collapsed = String::split(saved, '\n');
    collapsed_.insert(collapsed.begin(), collapsed.end());
}



}