// SPDX-License-Identifier: Apache-2.0
/*
Copyright (C) 2023 The Falco Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

#include "actions.h"
#ifdef _WIN32
#include <windows.h>
#endif

using namespace falco::app;
using namespace falco::app::actions;

falco::app::run_result falco::app::actions::print_page_size(const falco::app::state& s) {
	if(!s.options.print_page_size) {
		return run_result::ok();
	}

#ifndef _WIN32
	long page_size = getpagesize();
#else
	SYSTEM_INFO sysInfo;

	GetSystemInfo(&sysInfo);

	long page_size = sysInfo.dwPageSize;
#endif
	if(page_size <= 0) {
		return run_result::fatal("\nUnable to get the system page size through 'getpagesize()'\n");
	}

	falco_logger::log(falco_logger::level::INFO,
	                  "Your system page size is: " + std::to_string(page_size) + " bytes\n");
	return run_result::exit();
}
