#include <QtCore>
#include "DownloadClient.h"
#include "FileOpThread.h"
#include "UpdatedConfig.h"

void FileOpThread::run()
{
	UpdatedConfig *cfg = UpdatedConfig::CurrentConfig();
		
	/* delete files */
	vector<Config::FileEntry> toDelete = cfg->GetDeleteList();
	for (unsigned i = 0; i < toDelete.size(); i++)
	{
		Logger::Trace("Deleting file: \"%s\"\n", toDelete[i].path.c_str());
		
		QString path = QString::fromLocal8Bit(toDelete[i].path.c_str());
		QFile file(path);
		QFileInfo fileInfo(file);
		if (fileInfo.exists())
		{
			file.remove();
		}
		else
		{
			Logger::Info("File \"%s\" has already been deleted\n", toDelete[i].path.c_str());
		}
	}
	
	/* download files */
	vector<pair<string, string> > files;
	vector<Config::FileEntry> downloadList = cfg->GetDownloadList();
	for (unsigned i = 0; i < downloadList.size(); i++)
	{		
		QString path = QString::fromLocal8Bit(downloadList[i].path.c_str());
		QFileInfo fileInfo(path);
		if (fileInfo.exists())
		{
			Logger::Info("File \"%s\" already exists\n", downloadList[i].path.c_str());
			/**
			 * @todo	Compute md5 hash and check if they are the same
			 */
		}
		else
		{
			pair<string, string> file = make_pair(downloadList[i].path, downloadList[i].md5);
			files.push_back(file);
		}
	}
	
	if (files.size() != 0)
	{
		Logger::Debug("Setting server address to %s\n", cfg->GetServerAddr().c_str());
		
		QString addr = QString::fromLocal8Bit(cfg->GetServerAddr().c_str());
		DownloadClient downloadClient(addr);
		downloadClient.Download(files);
	}
	else
	{
		Logger::Trace("No files to download from server.\n");
	}
}