#define NAPI_VERSION 3
#include <node_api.h>

#define NAPI_CALL(env, call)                                                   \
  do {                                                                         \
    napi_status status = (call);                                               \
    if (status != napi_ok) {                                                   \
      const napi_extended_error_info *error_info = NULL;                       \
      napi_get_last_error_info((env), &error_info);                            \
      bool is_pending;                                                         \
      napi_is_exception_pending((env), &is_pending);                           \
      if (!is_pending) {                                                       \
        const char *message = (error_info->error_message == NULL)              \
                                  ? "empty error message"                      \
                                  : error_info->error_message;                 \
        napi_throw_error((env), NULL, message);                                \
        return NULL;                                                           \
      }                                                                        \
    }                                                                          \
  } while (0)

#ifdef __APPLE__
#include "do-not-disturb.h"
#include "macos-version.h"
#include "notificationstate-query.h"
#endif

static napi_value QueryUserSessionState(napi_env env, napi_callback_info info) {
  int returnValue = -1;

#ifdef __APPLE__
  returnValue = queryUserSessionState();
#endif

  napi_value result;
  NAPI_CALL(env, napi_create_int32(env, returnValue, &result));
  return result;
}

static napi_value GetDoNotDisturb(napi_env env, napi_callback_info info) {
  int returnValue = -1;

#ifdef __APPLE__
  auto majorVersion = getOSVersion();
  if (majorVersion < 13) {
    bool dnd = getDoNotDisturb();
    if (dnd) {
      returnValue = 1;
    } else {
      returnValue = 0;
    }
  }
#endif

  napi_value result;
  NAPI_CALL(env, napi_create_int32(env, returnValue, &result));
  return result;
}

NAPI_MODULE_INIT() {
  napi_value result = nullptr;
  NAPI_CALL(env, napi_create_object(env, &result));

#ifdef __APPLE__
  napi_value exported_function;
  NAPI_CALL(env, napi_create_function(env, "getNotificationState",
                                      NAPI_AUTO_LENGTH, QueryUserSessionState,
                                      NULL, &exported_function));
  NAPI_CALL(env, napi_set_named_property(env, result, "getNotificationState",
                                         exported_function));

  NAPI_CALL(env,
            napi_create_function(env, "getDoNotDisturb", NAPI_AUTO_LENGTH,
                                 GetDoNotDisturb, NULL, &exported_function));
  NAPI_CALL(env, napi_set_named_property(env, result, "getDoNotDisturb",
                                         exported_function));
#endif
  return result;
}