// MassBuilderSaveTool
// Copyright (C) 2021-2024 Guillaume Jacquemin
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#include <Corrade/Containers/Array.h>
#include <Corrade/Containers/Pair.h>
#include <Corrade/Utility/Path.h>

#include "../Configuration/Configuration.h"
#include "../Logger/Logger.h"

#include "Temp.h"

namespace mbst { namespace Utilities {

Containers::String
getTempPath(Containers::StringView filename) {
    return Utility::Path::join(conf().directories().temp, filename);
}

Containers::Optional<Containers::String>
copyToTemp(Containers::StringView path) {
    auto filename = Utility::Path::split(path).first();
    auto dest = Utility::Path::join(conf().directories().temp, filename);

    if(!Utility::Path::copy(path, dest)) {
        LOG_ERROR_FORMAT("Couldn't copy {} to {}.", path, conf().directories().temp);
        return Containers::NullOpt;
    }

    return Utility::move(dest);
}

Containers::Optional<Containers::String>
moveToTemp(Containers::StringView path) {
    auto filename = Utility::Path::split(path).first();
    auto dest = Utility::Path::join(conf().directories().temp, filename);

    if(!Utility::Path::move(path, dest)) {
        LOG_ERROR_FORMAT("Couldn't move {} to {}.", path, conf().directories().temp);
        return Containers::NullOpt;
    }

    return Utility::move(dest);
}

bool
moveFromTemp(Containers::StringView filename, Containers::StringView destination) {
    auto source = Utility::Path::join(conf().directories().temp, filename);
    auto dest = Utility::Path::join(destination, filename);

    if(!Utility::Path::move(source, dest)) {
        LOG_ERROR_FORMAT("Couldn't move {} to {}.", filename, destination);
        return false;
    }

    return true;
}

bool
deleteTempFile(Containers::StringView filename) {
    return Utility::Path::remove(Utility::Path::join(conf().directories().temp, filename));
}

void
emptyTempDir() {
    using Flag = Utility::Path::ListFlag;
    auto files = Utility::Path::list(conf().directories().temp, Flag::SkipDirectories|Flag::SkipSpecial);
    CORRADE_INTERNAL_ASSERT(files);

    for(auto& filename : *files) {
        deleteTempFile(filename);
    }
}

}}