/*
 * Copyright (c) 2018, evilny0
 * 
 * This file is part of cpfm.
 *
 * cpfm is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * cpm is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with cpfm. If not, see <http://www.gnu.org/licenses/>.
 * 
 */

#include "wallet.h"
#include "wallets/btc.h"
#include "wallets/bch.h"
#include "wallets/eth.h"

WalletsManager::WalletsManager(int userId)
{
    m_userId = userId;
}

WalletsManager::~WalletsManager()
{

}

void WalletsManager::analyzeUserWallets()
{
    mysql::connection db(getMysqlConfig());
    const auto wallets = TableWallets{};

    // Identify coins, we need one analyzer object per coin.
    list<WalletHandler*> handlers;
    for (const auto& row: db.run(select(wallets.type_id).from(wallets).where(wallets.user_id == m_userId).group_by(wallets.type_id)))
    {
        int typeId = row.type_id;
        WalletHandler* walletHandler;
        switch (typeId)
        {
        case CPFM_WALLET_TYPE_ID_BTC:
            walletHandler = new WalletHandlerBTC(m_userId);
            handlers.push_back(walletHandler);
            break;
        case CPFM_WALLET_TYPE_ID_BCH:
            walletHandler = new WalletHandlerBCH(m_userId);
            handlers.push_back(walletHandler);
            break;
        case CPFM_WALLET_TYPE_ID_ETH:
            walletHandler = new WalletHandlerETH(m_userId);
            handlers.push_back(walletHandler);
            break;
        default:
            lerr << "Unsupported wallet type: " << typeId;
            break;
        }
    }

    emptyWalletsTx();

    for (auto const& handler: handlers)
    {
        handler->analyzeUserWallets();
        delete handler;
    }
}

void WalletsManager::emptyWalletsTx()
{
    mysql::connection db(getMysqlConfig());
    const auto wallets = TableWallets{};
    const auto wallets_tx = TableWalletsTx{};

    list<int> userWallets;
    for (const auto& row: db.run(select(wallets.wallet_id).from(wallets).where(wallets.user_id == m_userId)))
    {
        userWallets.push_back(row.wallet_id);
    }

    for (const auto& id: userWallets)
    {
        db.run(remove_from(wallets_tx).where(wallets_tx.wallet_id == id));
    }
    
    linfo << "Emptied Wallets Tx DB table for user " << m_userId;
}

WalletHandler::WalletHandler(int userId)
{
    m_userId = userId;
}

WalletHandler::~WalletHandler()
{

}