#include "utilities.h"

#include <QJsonObject>
#include <QJsonArray>
#include <QStringList>

using namespace std;

namespace PackageManagement {

namespace Utilities {

/*!
 * \brief Returns the package names of the specified \a dependencyList.
 */
list<string> getNames(DependencyList dependencyList)
{
    list<string> res;
    for(auto dependency : dependencyList) {
        res.push_back(dependency->name);
    }
    return res;
}

/*!
 * \brief Returns string representations for the specified \a sigLevel.
 */
QJsonArray sigLevelStrings(alpm_siglevel_t sigLevel)
{
    QJsonArray options;
    if(sigLevel & ALPM_SIG_PACKAGE) {
        options << QStringLiteral("package");
    }
    if(sigLevel & ALPM_SIG_PACKAGE_OPTIONAL) {
        options << QStringLiteral("package optional");
    }
    if(sigLevel & ALPM_SIG_PACKAGE_MARGINAL_OK) {
        options << QStringLiteral("package marginal ok");
    }
    if(sigLevel & ALPM_SIG_PACKAGE_UNKNOWN_OK) {
        options << QStringLiteral("package unknown ok");
    }
    if(sigLevel & ALPM_SIG_DATABASE) {
        options << QStringLiteral("database");
    }
    if(sigLevel & ALPM_SIG_DATABASE_OPTIONAL) {
        options << QStringLiteral("database optional");
    }
    if(sigLevel & ALPM_SIG_DATABASE_MARGINAL_OK) {
        options << QStringLiteral("database marginal ok");
    }
    if(sigLevel & ALPM_SIG_DATABASE_UNKNOWN_OK) {
        options << QStringLiteral("database unknown ok");
    }
    if(sigLevel & ALPM_SIG_PACKAGE_SET) {
        options << QStringLiteral("package set");
    }
    if(sigLevel & ALPM_SIG_PACKAGE_TRUST_SET) {
        options << QStringLiteral("package trust set");
    }
    if(sigLevel & ALPM_SIG_USE_DEFAULT) {
        options << QStringLiteral("use default");
    }
    return options;
}

/*!
 * \brief Returns string representations for the specified database \a usage.
 */
QJsonArray usageStrings(alpm_db_usage_t usage)
{
    QJsonArray strings;
    if(usage & ALPM_DB_USAGE_SYNC) {
        strings << QStringLiteral("refreshing");
    }
    if(usage & ALPM_DB_USAGE_SEARCH) {
        strings << QStringLiteral("searching");
    }
    if(usage & ALPM_DB_USAGE_INSTALL) {
        strings << QStringLiteral("installing");
    }
    if(usage & ALPM_DB_USAGE_UPGRADE) {
        strings << QStringLiteral("upgrading");
    }
    return strings;
}

/*!
 * \brief Returns the string representation for the specified \a sigStatus.
 */
QString sigStatusString(alpm_sigstatus_t sigStatus)
{
    switch(sigStatus) {
    case ALPM_SIGSTATUS_VALID:
        return QStringLiteral("valid");
    case ALPM_SIGSTATUS_KEY_EXPIRED:
        return QStringLiteral("key expired");
    case ALPM_SIGSTATUS_SIG_EXPIRED:
        return QStringLiteral("sig expired");
    case ALPM_SIGSTATUS_KEY_UNKNOWN:
        return QStringLiteral("key unknown");
    case ALPM_SIGSTATUS_KEY_DISABLED:
        return QStringLiteral("key disabled");
    default:
        return QStringLiteral("invalid");
    }
}

/*!
 * \brief Returns the string representation for the specified \a validationMethods.
 */
QJsonArray validationMethodsStrings(alpm_pkgvalidation_t validationMethods)
{
    QJsonArray jsonArray;
    if(validationMethods & 0x1) {
        jsonArray << QStringLiteral("none");
    }
    if(validationMethods & 0x2) {
        jsonArray << QStringLiteral("MD5");
    }
    if(validationMethods & 0x4) {
        jsonArray << QStringLiteral("SHA256");
    }
    if(validationMethods & 0x8) {
        jsonArray << QStringLiteral("signature");
    }
    if(jsonArray.empty()) {
        jsonArray << QStringLiteral("unknown");
    }
    return jsonArray;
}

QJsonArray qjarry(StringList list)
{
    QJsonArray jsonArray;
    for(const char *str : list) {
        jsonArray << qstr(str);
    }
    return jsonArray;
}

QJsonArray qjarry(DependencyList list)
{
    QJsonArray jsonArray;
    for(alpm_depend_t *dep : list) {
        QJsonObject depObj;
        depObj.insert(QStringLiteral("name"), dep->name);
        depObj.insert(QStringLiteral("desc"), dep->desc);
        depObj.insert(QStringLiteral("ver"), dep->version);
        switch(dep->mod) {
        case ALPM_DEP_MOD_ANY:
            depObj.insert(QStringLiteral("mod"), QStringLiteral("any"));
            break;
        case ALPM_DEP_MOD_EQ:
            depObj.insert(QStringLiteral("mod"), QStringLiteral("eq"));
            break;
        case ALPM_DEP_MOD_GE:
            depObj.insert(QStringLiteral("mod"), QStringLiteral("ge"));
            break;
        case ALPM_DEP_MOD_LE:
            depObj.insert(QStringLiteral("mod"), QStringLiteral("le"));
            break;
        case ALPM_DEP_MOD_GT:
            depObj.insert(QStringLiteral("mod"), QStringLiteral("gt"));
            break;
        case ALPM_DEP_MOD_LT:
            depObj.insert(QStringLiteral("mod"), QStringLiteral("lt"));
            break;
        }
        jsonArray << depObj;
    }
    return jsonArray;
}

QJsonArray qjarry(_alpm_pkgvalidation_t validation)
{
    QJsonArray jsonArray;
    if(validation & 0x1) {
        jsonArray << QStringLiteral("none");
    }
    if(validation & 0x2) {
        jsonArray << QStringLiteral("MD5");
    }
    if(validation & 0x4) {
        jsonArray << QStringLiteral("SHA256");
    }
    if(validation & 0x8) {
        jsonArray << QStringLiteral("signature");
    }
    if(jsonArray.empty()) {
        jsonArray << QStringLiteral("unknown");
    }
    return jsonArray;
}

QStringList qstrlist(StringList list)
{
    QStringList strings;
    for(const auto *str : list) {
        strings << qstr(str);
    }
    return strings;
}

}

} // namespace Alpm