// Copyright (c) Microsoft Corporation.

// Licensed under the MIT License.

#include "pch.h"

#include "Public/AppInstallerFileLogger.h"

#include "Public/AppInstallerRuntime.h"

#include "Public/AppInstallerDateTime.h"

#define AICLI_FILELOGGER_DEFAULT_FILE_PREFIX "WinGet-"

#define AICLI_FILELOGGER_DEFAULT_FILE_EXT ".log"

namespace AppInstaller::Logging

{

FileLogger::FileLogger(const std::filesystem::path& filePath)

{

if (filePath.empty())

{

m_name = "file";

m_filePath = Runtime::GetPathToDefaultLogLocation();

m_filePath /= AICLI_FILELOGGER_DEFAULT_FILE_PREFIX + Utility::GetCurrentTimeForFilename() + AICLI_FILELOGGER_DEFAULT_FILE_EXT;

}

else

{

m_name = GetNameForPath(filePath);

m_filePath = filePath;

}

m_stream.open(m_filePath);

}

FileLogger::~FileLogger()

{

m_stream.flush();

}

std::string FileLogger::GetNameForPath(const std::filesystem::path& filePath)

{

using namespace std::string_literals;

return "file :: "s + filePath.u8string();

}

std::string FileLogger::GetName() const

{

return m_name;

}

void FileLogger::Write(Channel channel, Level, std::string_view message) noexcept try

{

// Send to a string first to create a single block to write to a file.

std::stringstream strstr;

strstr << std::chrono::system_clock::now() << " [" << std::setw(GetMaxChannelNameLength()) << std::left << std::setfill(' ') << GetChannelName(channel) << "] " << message;

m_stream << strstr.str() << std::endl;

}

catch (...)

{

// Just eat any exceptions here; better than losing logs

}

}