// Copyright (c) 2017 The PIVX developers
// Copyright (c) 2017-2018 The Zios Coin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BLOCKEXPLORER_H
#define BLOCKEXPLORER_H

#include <QMainWindow>

#include "base58.h"
#include "uint256.h"
#undef loop

namespace Ui
{
class BlockExplorer;
}


class CBlockIndex;
class CTransaction;
class CBlockTreeDB;

std::string getexplorerBlockHash(int64_t);
const CBlockIndex* getexplorerBlockIndex(int64_t);
CTxOut getPrevOut(const COutPoint& out);
void getNextIn(const COutPoint* Out, uint256* Hash, unsigned int n);

class BlockExplorer : public QMainWindow
{
    Q_OBJECT

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

protected:
    void keyPressEvent(QKeyEvent* event);
    void showEvent(QShowEvent*);

private Q_SLOTS:
    void onSearch();
    void goTo(const QString& query);
    void back();
    void forward();

private:
    Ui::BlockExplorer* ui;
    bool m_NeverShown;
    int m_HistoryIndex;
    QStringList m_History;

    void setBlock(CBlockIndex* pBlock);
    bool switchTo(const QString& query);
    void setContent(const std::string& content);
    void updateNavButtons();
};

#endif // BLOCKEXPLORER_H
