mainwindow.h

/*
    TRANSFERMODE:
    0 - ALL
    1 - PDF
    2 - JPEG
    3 - DOC
    4 - ACCESS
    5 - EXCEL
    6 - TXT
    7 - 质控
    8 - 生产
    9 - 库存
*/

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QFile>
#include <QMessageBox>
#include <QDataStream>
#include <QTextStream>
#include <QFileDialog>
#include <QString>
#include <QCryptographicHash>
#include <QMainWindow>

#include <vector>
#include <map>

#include "dialog.h"
#include "client.h"
#include "Blockchain.h"
#include "File.h"
#include "server.h"

#include <iostream>
using namespace std;

namespace Ui {
class MainWindow;
}

struct Package;
class Server;

struct Connection {
    QString ipAddr;
    quint16 portAddr;

    Connection(const QString& ip, quint16 port): ipAddr(ip), portAddr(port) {}
};

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

    void updateBlockchain();

signals:
    void addNewHost(const vector<Connection>& hosts);

private slots:
    void on_UpdateBlockchain_clicked();

    void on_Store_clicked();

    void on_Save_clicked();

    void on_View_clicked();

    void on_Connect_clicked();

//    void blockChainReceived(const QString& blockChainText, const Blockchain<File>& otherChain);

    void saveConnection(const QString& ip, quint16 port);

    void addText(const QString& updates);

    void displayError(int socketError, const QString &message, const QString& ip, quint16 port);

    bool setUpConnection(const QString& ip, quint16 port);

    void newBlockchain(const Blockchain<File>& importedChain, const QByteArray& packet);

    void updateLengthDisplay();

    void changeMode();

private:
    //order of declation = order of being initialized!
    Ui::MainWindow *ui;
    Blockchain<File>* bChain;

    vector<Connection> connections;
    map<QByteArray, vector<Connection>> hashMap;

    QByteArray bChainHash;

    bool closing;
    quint64 spIndex;
    qint8 mode;

    Server* server;
    Client client;

    //returns most common hash (or none if blockchain is already up to date / no connections available)
    QByteArray checkForUpdates();

    bool removeConnectection(const QString& ip, quint16 port);
};

#endif // MAINWINDOW_H