#include "alpmdatabase.h"
#include "group.h"
#include "upgradelookup.h"
#include "alpmpackage.h"
#include "utilities.h"

#include <c++utilities/misc/memory.h>

#include <QList>
#include <QJsonObject>

using namespace std;

namespace PackageManagement {

using namespace Utilities;

/*!
 * \brief The AlpmDataBase class wraps an ALPM data base struct and holds additional meta information.
 *
 * All packages returned by the AlpmDataBase class are AlpmPackage instances.
 */

/*!
 * \brief Creates a new instance wrapping the specified database struct.
 */
PackageManagement::AlpmDataBase::AlpmDataBase(alpm_db_t *dataBase, const QString &dbPath, QObject *parent) :
    Repository(QString::fromLocal8Bit(alpm_db_get_name(dataBase)), parent),
    m_ptr(dataBase),
    m_dbFile(QStringLiteral("%1/sync/%2").arg(dbPath, m_name))
{
    if(alpm_db_get_usage(dataBase, &m_usage)) {
        m_usage = static_cast<decltype(m_usage)>(ALPM_DB_USAGE_ALL);
    }
    if(m_name.compare(QLatin1String("local"), Qt::CaseInsensitive) == 0) {
        m_description = QStringLiteral("The local database");
    } else {
        if((m_usage & ALPM_DB_USAGE_SYNC) || (m_usage & ALPM_DB_USAGE_INSTALL) || (m_usage & ALPM_DB_USAGE_UPGRADE)) {
            m_description = QStringLiteral("Sync database »%1«").arg(m_name);
        } else {
            m_description = QStringLiteral("Database »%1«").arg(m_name);
        }
    }
    for(auto *nativePkg : PackageList(alpm_db_get_pkgcache(m_ptr))) {
        auto pkg = make_unique<AlpmPackage>(nativePkg, this);
        QString pkgName = pkg->name();
        for(const auto &grpName : pkg->groups()) {
            m_groups[grpName] << pkg.get();
        }
        m_packages.emplace(pkgName, move(pkg));
    }
    for(const char *str : servers()) {
        m_serverUrls << qstr(str);
    }
    m_sigLevel = alpm_db_get_siglevel(m_ptr);
}

//AlpmDataBase::AlpmDataBase(const QString &dataBaseFile, QObject *parent) :
//    PackageSource(parent),
//    m_ptr(nullptr)
//{}

RepositoryType AlpmDataBase::type() const
{
    return RepositoryType::AlpmDataBase;
}

bool AlpmDataBase::isSourceOnly() const
{
    return false;
}

/*!
 * \brief Adds the specified server URLs.
 */
bool AlpmDataBase::addServerUrls(const QStringList &urls)
{
    bool res = true;
    for(const auto &url : urls) {
        if(alpm_db_add_server(m_ptr, url.toLocal8Bit().data()) != 0) {
            res = false;
        } else {
            m_serverUrls << url;
        }
    }
    return res;
}

} // namespace Alpm