#include <opts.h>
#include <iostream>
#include <stdexcept>
#include <getopt.h>
#include <string>
#include <vector>

struct option OptionParser::longOptions[] = {
    {"devicespec", required_argument, 0, 's'},
    {"spec", required_argument, 0, 's'},
    {"devspec", required_argument, 0, 's'},
    {"devfile", required_argument, 0, 'd'},
    {"devicefile", required_argument, 0, 'd'},
    {"verbose", no_argument, 0, 'v'},
    {"help", no_argument, 0, '?'},
    {0, 0, 0, 0}
};

void OptionParser::parseArguments(int argc, char *argv[])
{
    int opt;
    int optionIndex = 0;
    optind = 1; // Reset optind to 1 before parsing
    while ((opt = getopt_long(
        argc, argv, "s:d:v?", longOptions, &optionIndex)) != -1)
    {
        switch (opt)
        {
        case 's':
            if (!deviceSpecs.empty()) {
                deviceSpecs += "||";
            }
            deviceSpecs += std::string(optarg);
            break;
        case 'd':
            deviceSpecFiles.push_back(optarg);
            break;
        case 'v':
            verbose = true;
            break;
        case '?':
            printUsage = true;
            return;
        default:
            throw std::invalid_argument("Invalid argument encountered: " + std::string(argv[optind - 1]));
        }
    }
}

std::string OptionParser::getUsage() const
{
    return "Usage: program [-s|--devicespec|--spec|--devspec <device_spec>] "
           "[-d|--devfile|--devicefile <filename>] "
           "[-v|--verbose] "
           "[-?|--help]";
}

void OptionParser::dumpOptions() const
{
    if (verbose) {
        std::cout << "Verbose mode is on" << std::endl;
    }

    std::cout << "Device Specs: " << deviceSpecs << std::endl;

    std::cout << "Device Spec Files: ";
    for (const auto& file : deviceSpecFiles) {
        std::cout << file << " ";
    }
    std::cout << std::endl;
}