/**
 * @file commands.hpp
 * @brief Command handlers for the info module
 *
 * @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>

/**
 * @enum Command
 * @brief Commands supported by the info module
 */
enum Command {
    /** Unknown or unsupported command. */
    CMD_UNKNOWN,

    /** Display help information. */
    CMD_HELP,

    /** Display library and module versions. */
    CMD_VERSION,

    /** Display system information. */
    CMD_SYSTEM,

    /** Display configuration information. */
    CMD_CONFIG,
};

/**
 * @brief Parses a command string into a Command enum value
 *
 * @param cmd_str The command string to parse (NULL/empty means help)
 * @return The corresponding Command enum value
 */
Command parse_command(const char* cmd_str);

/**
 * @brief Displays the info module's help text
 *
 * @param ctx Host libdpm-core context
 * @return 0 on success
 */
int cmd_help(dpm_ctx* ctx);

/**
 * @brief Reports the running libdpm-core version and the module version
 *
 * @param ctx Host libdpm-core context
 * @return 0 on success
 */
int cmd_version(dpm_ctx* ctx);

/**
 * @brief Reports operating system and architecture information
 *
 * @param ctx Host libdpm-core context
 * @return 0 on success
 */
int cmd_system(dpm_ctx* ctx);

/**
 * @brief Reports configuration as resolved by the running context
 *
 * @param ctx Host libdpm-core context
 * @return 0 on success
 */
int cmd_config(dpm_ctx* ctx);

/**
 * @brief Reports an unrecognized command
 *
 * @param ctx Host libdpm-core context
 * @param command The unrecognized command string
 * @return 1 to indicate failure
 */
int cmd_unknown(dpm_ctx* ctx, const char* command);