#include "DecompilerArgs.h"

#include "Utils/Arguments/UsageInformation.h"
#include "Utils/FileUtils.h"

const CommandLineOption* const OPTION_HELP =
    CommandLineOption::Builder::Create()
    .WithShortName("?")
    .WithLongName("help")
    .WithDescription("Displays usage information.")
    .Build();

const CommandLineOption* const OPTION_VERBOSE =
    CommandLineOption::Builder::Create()
    .WithShortName("v")
    .WithLongName("verbose")
    .WithDescription("Outputs a lot more and more detailed messages.")
    .Build();

const CommandLineOption* const COMMAND_LINE_OPTIONS[]
{
    OPTION_HELP,
    OPTION_VERBOSE
};

DecompilerArgs::DecompilerArgs()
    : m_argument_parser(COMMAND_LINE_OPTIONS, std::extent_v<decltype(COMMAND_LINE_OPTIONS)>),
      m_verbose(false)
{
}

void DecompilerArgs::PrintUsage()
{
    UsageInformation usage("Decompiler.exe");

    for (const auto* commandLineOption : COMMAND_LINE_OPTIONS)
    {
        usage.AddCommandLineOption(commandLineOption);
    }

    usage.Print();
}

void DecompilerArgs::SetVerbose(const bool isVerbose)
{
    m_verbose = isVerbose;
}

bool DecompilerArgs::ParseArgs(const int argc, const char** argv)
{
    if (!m_argument_parser.ParseArguments(argc - 1, &argv[1]))
    {
        PrintUsage();
        return false;
    }

    // Check if the user requested help
    if (m_argument_parser.IsOptionSpecified(OPTION_HELP))
    {
        PrintUsage();
        return false;
    }

    // -v; --verbose
    SetVerbose(m_argument_parser.IsOptionSpecified(OPTION_VERBOSE));

    return true;
}