/*
    ptrnt - print labels on linux
    Copyright (C) 2025  Moritz Martinius

    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/>.

 */

#pragma once

#include <string>
#include <vector>

namespace ptprnt::cli {

/**
 * @brief Types of CLI commands that can be issued
 */
enum class CommandType { None = 0, Text = 1, FontSize = 2, Font = 3, VAlign = 4, HAlign = 5, NewLabel = 6 };

/**
 * @brief A command with its type and value
 */
using Command = std::pair<CommandType, std::string>;

/**
 * @brief Parsed CLI options and commands
 */
struct CliOptions {
    bool verbose{false};
    bool trace{false};
    bool listDrivers{false};
    std::string printerSelection{"auto"};
    std::vector<Command> commands{};
};

/**
 * @brief Interface for CLI argument parsing
 *
 * This interface allows for mocking CLI parsing in unit tests
 * and provides a clear contract for CLI parser implementations.
 */
class ICliParser {
   public:
    virtual ~ICliParser() = default;

    ICliParser()                                   = default;
    ICliParser(const ICliParser&)                  = default;
    ICliParser& operator=(const ICliParser&)       = default;
    ICliParser(ICliParser&&) noexcept              = default;
    ICliParser& operator=(ICliParser&&) noexcept   = default;

    /**
     * @brief Parse command line arguments
     * @param argc Argument count
     * @param argv Argument values
     * @return 0 on success, positive value if should exit immediately (help/version), negative on error
     */
    virtual int parse(int argc, char** argv) = 0;

    /**
     * @brief Get the parsed options
     * @return Reference to parsed options
     */
    [[nodiscard]] virtual const CliOptions& getOptions() const = 0;
};

}  // namespace ptprnt::cli