// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_CONFIG_HPP
#define INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_CONFIG_HPP

#include <filesystem>
#include <functional>
#include <string>
#include <vector>

#include <nlohmann/json.hpp>

#include "src/buildtool/common/artifact_digest.hpp"
#include "src/buildtool/file_system/file_system_manager.hpp"
#include "src/buildtool/file_system/object_type.hpp"
#include "src/buildtool/logging/log_level.hpp"
#include "src/buildtool/logging/logger.hpp"

#include <gsl/gsl>

/// \brief Store global build system configuration.
class LocalExecutionConfig {
    struct ConfigData {
        // Launcher to be prepended to action's command before executed.
        // Default: ["env", "--"]
        std::vector<std::string> launcher{"env", "--"};
    };

  public:
    [[nodiscard]] static auto SetLauncher(
        std::vector<std::string> const& launcher) noexcept -> bool {
        try {
            Data().launcher = launcher;
        } catch (std::exception const& e) {
            Logger::Log(LogLevel::Error,
                        "when setting the local launcher\n{}",
                        e.what());
            return false;
        }
        return true;
    }

    [[nodiscard]] static auto GetLauncher() noexcept
        -> std::vector<std::string> {
        return Data().launcher;
    }

  private:
    [[nodiscard]] static auto Data() noexcept -> ConfigData& {
        static ConfigData instance{};
        return instance;
    }
};

#endif  // INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_CONFIG_HPP