#include "pch.h"
#include "settings_helpers.h"
#include <filesystem>
#include <fstream>

namespace PTSettingsHelper {

  constexpr inline const wchar_t * settings_filename = L"\\settings.json";

  std::wstring get_root_save_folder_location() {
    PWSTR local_app_path;
    winrt::check_hresult(SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &local_app_path));
    std::wstring result{local_app_path};
    CoTaskMemFree(local_app_path);

    result += L"\\Microsoft\\PowerToys";
    std::filesystem::path save_path(result);
    if (!std::filesystem::exists(save_path)) {
      std::filesystem::create_directories(save_path);
    }
    return result;
  }

  std::wstring get_module_save_folder_location(std::wstring_view powertoy_name) {
    std::wstring result = get_root_save_folder_location();
    result += L"\\";
    result += powertoy_name;
    std::filesystem::path save_path(result);
    if (!std::filesystem::exists(save_path)) {
      std::filesystem::create_directories(save_path);
    }
    return result;
  }

  std::wstring get_module_save_file_location(std::wstring_view powertoy_name) {
    return get_module_save_folder_location(powertoy_name) + settings_filename;
  }

  std::wstring get_powertoys_general_save_file_location() {
    return get_root_save_folder_location() + settings_filename;
  }

  void save_module_settings(std::wstring_view powertoy_name, json::JsonObject& settings) {
    const std::wstring save_file_location = get_module_save_file_location(powertoy_name);
    json::to_file(save_file_location, settings);
  }

  json::JsonObject load_module_settings(std::wstring_view powertoy_name) {
    const std::wstring save_file_location = get_module_save_file_location(powertoy_name);
    auto saved_settings = json::from_file(save_file_location);
    return saved_settings.has_value() ? std::move(*saved_settings) : json::JsonObject{};
  }

  void save_general_settings(const json::JsonObject& settings) {
    const std::wstring save_file_location = get_powertoys_general_save_file_location();
    json::to_file(save_file_location, settings);
  }

  json::JsonObject load_general_settings() {
    const std::wstring save_file_location = get_powertoys_general_save_file_location();
    auto saved_settings = json::from_file(save_file_location);
    return saved_settings.has_value() ? std::move(*saved_settings) : json::JsonObject{};
  }
}