#include "./utilities.h"
#include "./config.h"

#include <c++utilities/conversion/stringconversion.h>

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

#include <iostream>

using namespace std;

namespace RepoIndex {

namespace Utilities {

/*!
 * \brief Returns string representations for the specified \a sigLevel.
 */
QJsonArray sigLevelStrings(SignatureLevel sigLevel)
{
    QJsonArray options;
    if(sigLevel & SignatureLevel::Package) {
        options << QStringLiteral("package");
    }
    if(sigLevel & SignatureLevel::PackageOptional) {
        options << QStringLiteral("package optional");
    }
    if(sigLevel & SignatureLevel::PackageMarginalOk) {
        options << QStringLiteral("package marginal ok");
    }
    if(sigLevel & SignatureLevel::PackageUnknownOk) {
        options << QStringLiteral("package unknown ok");
    }
    if(sigLevel & SignatureLevel::Database) {
        options << QStringLiteral("database");
    }
    if(sigLevel & SignatureLevel::DatabaseOptional) {
        options << QStringLiteral("database optional");
    }
    if(sigLevel & SignatureLevel::DatabaseMarginalOk) {
        options << QStringLiteral("database marginal ok");
    }
    if(sigLevel & SignatureLevel::DatabaseUnknownOk) {
        options << QStringLiteral("database unknown ok");
    }
    if(sigLevel & SignatureLevel::UseDefault) {
        options << QStringLiteral("default");
    }
    return options;
}

/*!
 * \brief Returns string representations for the specified database \a usage.
 */
QJsonArray usageStrings(RepositoryUsage usage)
{
    QJsonArray strings;
    if(usage & RepositoryUsage::Sync) {
        strings << QStringLiteral("refreshing");
    }
    if(usage & RepositoryUsage::Search) {
        strings << QStringLiteral("searching");
    }
    if(usage & RepositoryUsage::Install) {
        strings << QStringLiteral("installing");
    }
    if(usage & RepositoryUsage::Upgrade) {
        strings << QStringLiteral("upgrading");
    }
    if(strings.empty()) {
        strings << QStringLiteral("none");
    }
    return strings;
}

/*!
 * \brief Returns the string representation for the specified \a sigStatus.
 */
QString sigStatusString(SignatureStatus sigStatus)
{
    switch(sigStatus) {
    case SignatureStatus::Valid:
        return QStringLiteral("valid");
    case SignatureStatus::KeyExpired:
        return QStringLiteral("key expired");
    case SignatureStatus::SigExpired:
        return QStringLiteral("sig expired");
    case SignatureStatus::KeyUnknown:
        return QStringLiteral("key unknown");
    case SignatureStatus::KeyDisabled:
        return QStringLiteral("key disabled");
    default:
        return QStringLiteral("invalid");
    }
}

/*!
 * \brief Returns the string representation for the specified \a validationMethods.
 */
QJsonArray validationMethodsStrings(PackageValidation validationMethods)
{
    QJsonArray jsonArray;
    if(validationMethods & PackageValidation::None) {
        jsonArray << QStringLiteral("none");
    }
    if(validationMethods & PackageValidation::Md5Sum) {
        jsonArray << QStringLiteral("MD5");
    }
    if(validationMethods & PackageValidation::Sha256Sum) {
        jsonArray << QStringLiteral("SHA256");
    }
    if(validationMethods & PackageValidation::PgpSignature) {
        jsonArray << QStringLiteral("PGP signature");
    }
    //if(jsonArray.empty()) {
    //    jsonArray << QStringLiteral("unknown");
    //}
    return jsonArray;
}

void printValues(ostream &output, const char *label, const QStringList &values)
{
    output << label << ':';
    for(const auto &value : values) {
        output << ' ' << value.toLocal8Bit().data();
    }
    output << endl;
}

void printBashArray(ostream &output, const char *name, const QStringList &values)
{
    output << "export " << name << '=' << '(';
    for(const auto &value : values) {
        output << ' ' << '\'' << value.toLocal8Bit().data() << '\'';
    }
    output << ' ' << ')' << endl;
}

void printError(const exception &ex)
{
    string message(ex.what());
    printError(message);
}

void printError(const QString &message)
{
    string msg(message.toStdString());
    printError(msg);
}

void printError(string &message)
{
    if(useShSyntax) {
        ConversionUtilities::findAndReplace<string>(message, "'", "\'");
        cerr << "export REPOINDEX_ERROR='" << message << '\'' << endl;
    } else {
        cerr << shchar << "Error: " << message << endl;
    }
}

void stripVersion(QString &packageName)
{
    int lastHyphen = packageName.lastIndexOf(QChar('-'));
    if(lastHyphen > 0) {
        packageName.remove(lastHyphen, packageName.size() - lastHyphen);
        int lastHyphen = packageName.lastIndexOf(QChar('-'));
        if(lastHyphen > 0) {
            packageName.remove(lastHyphen, packageName.size() - lastHyphen);
        }
    }
}

}

} // namespace Alpm