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// Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_QT_WALLETCONTROLLER_H
#define BITCOIN_QT_WALLETCONTROLLER_H

#include <qt/walletmodel.h>
#include <sync.h>

#include <list>
#include <memory>
#include <vector>

#include <QMutex>

class OptionsModel;
class PlatformStyle;

namespace interfaces {
class Handler;
class Node;
} // namespace interfaces

/**
 * Controller between interfaces::Node, WalletModel instances and the GUI.
 */
class WalletController : public QObject
{
    Q_OBJECT

    WalletModel* getOrCreateWallet(std::unique_ptr<interfaces::Wallet> wallet);
    void removeAndDeleteWallet(WalletModel* wallet_model);

public:
    WalletController(interfaces::Node& node, const PlatformStyle* platform_style, OptionsModel* options_model, QObject* parent);
    ~WalletController();

    std::vector<WalletModel*> getWallets() const;

private Q_SLOTS:
    void addWallet(WalletModel* wallet_model);

Q_SIGNALS:
    void walletAdded(WalletModel* wallet_model);
    void walletRemoved(WalletModel* wallet_model);

    void coinsSent(WalletModel* wallet_model, SendCoinsRecipient recipient, QByteArray transaction);

private:
    interfaces::Node& m_node;
    const PlatformStyle* const m_platform_style;
    OptionsModel* const m_options_model;
    mutable QMutex m_mutex;
    std::vector<WalletModel*> m_wallets;
    std::unique_ptr<interfaces::Handler> m_handler_load_wallet;
};

#endif // BITCOIN_QT_WALLETCONTROLLER_H