/**
 * @file context.hpp
 * @brief The core context: configuration, logging, module registry
 *
 * @copyright Copyright (c) 2026 SILO GROUP LLC
 * @author Chris Punches <chris.punches@silogroup.org>
 *
 * Part of the Dark Horse Linux Package Manager (DPM)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */
#pragma once

#include <dpm/core.h>

#include <map>
#include <memory>
#include <string>

#include "internal/modules.hpp"

/** @brief A core context: configuration, logging, and the module registry */
struct dpm_ctx {
    std::string config_dir;
    std::string module_path;
    std::string root;

    int         log_level    = DPM_LOG_INFO;
    bool        write_to_log = false;
    std::string log_file;

    /* config[module][section][key] = value */
    std::map<std::string,
             std::map<std::string,
                      std::map<std::string, std::string>>> config;

    /* validated modules, keyed by name; loaded at most once per ctx */
    std::map<std::string, std::unique_ptr<dpm_module>> modules;

    std::string last_error;
};

namespace dpmcore {

/**
 * @brief Records a failure reason on the context
 *
 * @param ctx The core context; NULL is a no-op
 * @param msg The failure description
 */
void set_error(dpm_ctx* ctx, const std::string& msg);

/**
 * @brief Loads all configuration files into the context
 *
 * Parses every .conf file in the context's configuration directory
 * into the context's configuration store.
 *
 * @param ctx The core context
 */
void load_config_dir(dpm_ctx* ctx);

} // namespace dpmcore