#include <QCoreApplication>
#include <QFile>
#include <QDir>
#include <QFileInfo>
#include <QHashIterator>
#include "Uploader.h"
#include "DirectoryScanner.h"
#include <iostream>
#include <cstring>
using namespace std;

int main(int argc, char *argv[])
{
	if (argc == 4 && !strcmp(argv[1], "--showHashMap")) {
		QHashIterator<const QString, QFileInfo> entry(DirectoryScanner(argv[2], argv[3]).fileList());
		while (entry.hasNext()) {
			entry.next();
			cout << entry.value().canonicalFilePath().toStdString() << "\t" << entry.key().toStdString() << endl;
		}
		return 0;
	}
	if (argc > 4 && !strcmp(argv[1], "--generateExclude")) {
		cerr << "Hashing local files..." << endl;
		QHashIterator<const QString, QFileInfo> entry(DirectoryScanner(argv[2], argv[3]).fileList());
		cerr << "Generating exclusion hashes..." << endl;
		while (entry.hasNext()) {
			entry.next();
			for (int i = 4; i < argc; ++i) {
				QFileInfo excluded(argv[i]);
				if (!excluded.exists()) {
					cerr << argv[i] << " not found." << endl;
					return 1;
				}
				if (entry.value().canonicalFilePath().startsWith(excluded.canonicalFilePath())) {
					cout << entry.key().toStdString() << endl;
					break;
				}
			}
		}
		return 0;
	}
	else if (argc < 8) {
		cerr << "Usages:" << endl;
		cerr << "\t" << argv[0] << " localpath serverhost serverpath username password xorkey hashsalt" << endl;
		cerr << "\t\tor" << endl;
		cerr << "\t" << argv[0] << " --generateExclude localpath hashsalt directories-or-files..." << endl;
		cerr << "\t\tor" << endl;
		cerr << "\t" << argv[0] << " --showHashMap localpath hashsalt" << endl;
		return 1;
	}
	QCoreApplication a(argc, argv);
	Uploader uploader(argv[2], argv[3], argv[4], argv[5], argv[6], DirectoryScanner(argv[1], argv[7]).fileList());
	QObject::connect(&uploader, SIGNAL(done()), &a, SLOT(quit()));
	uploader.begin();
	return a.exec();
}