// TJP COPYRIGHT HEADER

#include "writeSegmentsToFile.h"

#include <iostream>
#include <fstream>

#include <sys/stat.h>
#include <sys/types.h>

#include <tjp/core/exception/Exception.hpp>
#include <tjp/core/system/System.h>

#include <tjp/core/string/to_string.hpp>
#include "../random/Random.h"

#include <utime.h>
 
namespace tjp {
namespace core {
namespace file {

bool writeSegmentsToFile(const StringView &path_, const StackArray<containers::MemorySegment<u8>> &segments, const WriteOptions &options)
{
	auto path = String(path_);
	auto extension = "." + core::to_string(core::StandardRandom.next<u32>());
	auto temporary = path + extension;
	
	std::ofstream file(temporary, std::ios::binary);
	if (!file)
		return false;
		
	for (auto &contents: segments)
		file.write((char *)contents.data(), contents.size());
		
	file.close();
	
	remove(path.c_str());
	if (rename(temporary.c_str(), path.c_str()))
		return false;
		
	if (options.lastModifiedTime)
	{
		setFileLastModifiedTime(path, options.lastModifiedTime);
	}
	
	return true;
}


} // namespace
} // namespace
} // namespace