#include "config_center.h"

#include <filesystem>
#include <fstream>
#include <iostream>
#include <stdexcept>

using crossdesk::ConfigCenter;

static void Check(bool result, const char* message) {
  if (!result) throw std::runtime_error(message);
}

int main(int argc, char** argv) {
  try {
    Check(argc == 2, "provide a new isolated output directory");
    const std::filesystem::path root(argv[1]);
    Check(std::filesystem::create_directory(root), "output directory must be new");
    unsigned cases = 0;
    for (const auto* setting : {"new", "missing", "false", "true", "invalid"}) {
      const auto path = root / (std::string(setting) + ".ini");
      if (std::string(setting) != "new") {
        std::ofstream file(path);
        file << "[Settings]\nlanguage=2\nturn_mode=2\nfile_transfer_save_path=/saved-path\n";
        if (std::string(setting) != "missing") file << "enable_srtp=" << setting << '\n';
      }
      ConfigCenter config(path.string());
      Check(config.IsEnableSrtp(), "fresh and legacy settings must request SRTP");
      if (std::string(setting) != "new") {
        Check(config.GetLanguage() == ConfigCenter::LANGUAGE::RUSSIAN &&
                  config.GetTurnMode() == ConfigCenter::TURN_MODE::FORCE_UDP &&
                  config.GetFileTransferSavePath() == "/saved-path",
              "SRTP migration preserves unrelated preferences");
      }
      CSimpleIniA saved;
      Check(saved.LoadFile(path.string().c_str()) >= 0 &&
                saved.GetBoolValue("Settings", "enable_srtp", false),
            "SRTP migration persists before any later settings save");
      Check(config.Save() == 0 && config.Load() == 0 && config.IsEnableSrtp(),
            "settings save/reload cannot disable SRTP");
      ConfigCenter reopened(path.string());
      Check(reopened.IsEnableSrtp(), "SRTP survives restart");
      ++cases;
    }
    std::cout << "PASS SRTP configuration migration cases=" << cases << '\n';
  } catch (const std::exception& error) {
    std::cerr << "FAIL: " << error.what() << '\n';
    return 1;
  }
}