/*
 * Copyright (c) 2013 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

/*
 * Copyright (c) 2014-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swift/QtUI/UserSearch/QtContactListWidget.h>

#include <QHeaderView>

#include <Swift/Controllers/Settings/SettingsProvider.h>

#include <Swift/QtUI/QtUISettingConstants.h>
#include <Swift/QtUI/QtVCardWidget/QtRemovableItemDelegate.h>
#include <Swift/QtUI/UserSearch/ContactListDelegate.h>
#include <Swift/QtUI/UserSearch/ContactListModel.h>

namespace Swift {

QtContactListWidget::QtContactListWidget(QWidget* parent, SettingsProvider* settings) : QTreeView(parent), settings_(settings), limited_(false) {
    contactListModel_ = new ContactListModel(true);
    setModel(contactListModel_);

    connect(contactListModel_, SIGNAL(onListChanged(std::vector<Contact::ref>)), this, SIGNAL(onListChanged(std::vector<Contact::ref>)));
    connect(contactListModel_, SIGNAL(onJIDsDropped(std::vector<JID>)), this, SIGNAL(onJIDsAdded(std::vector<JID>)));

    setSelectionMode(QAbstractItemView::SingleSelection);
    setSelectionBehavior(QAbstractItemView::SelectRows);
    setUniformRowHeights(true);

    setAlternatingRowColors(true);
    setIndentation(0);
    setHeaderHidden(true);
    setExpandsOnDoubleClick(false);
    setItemsExpandable(false);
    setEditTriggers(QAbstractItemView::DoubleClicked);

    contactListDelegate_ = new ContactListDelegate(settings->getSetting(QtUISettingConstants::COMPACT_ROSTER));
    removableItemDelegate_ = new QtRemovableItemDelegate(style());

    setItemDelegateForColumn(0, contactListDelegate_);
    setItemDelegateForColumn(1, removableItemDelegate_);

    header()->resizeSection(1, removableItemDelegate_->sizeHint(QStyleOptionViewItem(), QModelIndex()).width());

    header()->setStretchLastSection(false);
#if QT_VERSION >= 0x050000
    header()->setSectionResizeMode(0, QHeaderView::Stretch);
#else
    header()->setResizeMode(0, QHeaderView::Stretch);
#endif
}

QtContactListWidget::~QtContactListWidget() {
    delete contactListDelegate_;
    delete removableItemDelegate_;
    delete contactListModel_;
}

void QtContactListWidget::setList(const std::vector<Contact::ref>& list) {
    contactListModel_->setList(list);
}

std::vector<Contact::ref> QtContactListWidget::getList() const {
    return contactListModel_->getList();
}

Contact::ref QtContactListWidget::getContact(const size_t i) {
    return contactListModel_->getContact(i);
}

void QtContactListWidget::setMaximumNoOfContactsToOne(bool limited) {
    limited_ = limited;
}

bool QtContactListWidget::isFull() const {
    return limited_ && (getList().size() == 1);
}

void QtContactListWidget::updateContacts(const std::vector<Contact::ref>& contactUpdates) {
    std::vector<Contact::ref> contacts = contactListModel_->getList();
    for (const auto& contactUpdate : contactUpdates) {
        for (auto&& contact : contacts) {
            if (contactUpdate->jid == contact->jid) {
                contact = contactUpdate;
                break;
            }
        }
    }
    contactListModel_->setList(contacts);
}

void QtContactListWidget::handleSettingsChanged(const std::string&) {
    contactListDelegate_->setCompact(settings_->getSetting(QtUISettingConstants::COMPACT_ROSTER));
}

}