#include "logs_port.h"

#include <QFile>
#include <QDateTime>

logs::LogsOutput::LogsOutput(const QDir& target, int size) : _cache_size(size) {
	auto dt = QDateTime::currentDateTime();
	auto base_name = QString(u8"logs_%1.u8txt").arg(dt.toString(u8"yyyyMMdd_hhmmss"));
	auto full_path = target.filePath(base_name);

	_target_file = std::make_shared<QFile>(full_path);
	if (!_target_file->open(QIODevice::WriteOnly | QIODevice::Text)) {
		throw - 1;
	}
}

void logs::LogsOutput::write(const QString& type, const QString& title, const QString& msg) { 
	auto dt = QDateTime::currentDateTime();

	_mutex.lock();
	_message_buffer << QString(u8"%1[%2]£º%3£º%4").arg(type, dt.toString(u8"hh:mm:ss"), title, msg);
	_mutex.unlock();

	flush();
}

void logs::LogsOutput::information(const QString& title, const QString& msg) { 
	write(u8"Information", title, msg);
}

void logs::LogsOutput::warning(const QString& title, const QString& msg) { 
	write(u8"Warning", title, msg);
}

void logs::LogsOutput::error(const QString& title, const QString& msg) {
	write(u8"Error", title, msg);
	flush(true);
}

#include <QTextStream>
void logs::LogsOutput::flush(bool fouce) {
	QMutexLocker l(&_mutex);

	if (!fouce && _message_buffer.size() < _cache_size)
		return;

	QTextStream tout(_target_file.get());
	tout.setCodec(u8"UTF-8");
	for (auto& line : _message_buffer) {
		tout << line << u8"\n";
	}
	tout.flush();
	_message_buffer.clear();
}