/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 Copyright (C) 2008 J. Erik Radmall

 This file is part of QuantLib, a free-software/open-source library

 for financial quantitative analysts and developers - http://quantlib.org/

 QuantLib is free software: you can redistribute it and/or modify it

 under the terms of the QuantLib license.  You should have received a

 copy of the license along with this program; if not, please email

 <quantlib-dev@lists.sf.net>. The license is also available online at

 <http://quantlib.org/license.shtml>.

 This program 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 license for more details.

*/

#include <ql/experimental/commodities/commoditycashflow.hpp>

#include <ql/patterns/visitor.hpp>

#include <iomanip>

namespace QuantLib {

    void CommodityCashFlow::accept(AcyclicVisitor& v) {

        auto* v1 = dynamic_cast<Visitor<CommodityCashFlow>*>(&v);

        if (v1 != nullptr)

            v1->visit(*this);

        else

            CashFlow::accept(v);

    }

    std::ostream& operator<<(std::ostream& out,

                             const CommodityCashFlows& cashFlows) {

        if (cashFlows.empty())

            return out << "no cashflows" << std::endl;

        out << "cashflows" << std::endl;

        std::string currencyCode; //= cashFlows[0]->discountedAmount().currency().code();

        Real totalDiscounted = 0;

        Real totalUndiscounted = 0;

        for (const auto& i : cashFlows) {

            //const ext::shared_ptr<CommodityCashFlow> cashFlow = *i;

            const ext::shared_ptr<CommodityCashFlow> cashFlow = i.second;

            totalDiscounted += cashFlow->discountedAmount().value();

            totalUndiscounted += cashFlow->undiscountedAmount().value();

            //out << io::iso_date(cashFlow->date()) << " " <<

            out << io::iso_date(i.first) << " " << std::setw(16) << std::right << std::fixed

                << std::setprecision(2) << cashFlow->discountedAmount().value() << " "

                << currencyCode << std::setw(16) << std::right << std::fixed << std::setprecision(2)

                << cashFlow->undiscountedAmount().value() << " " << currencyCode << std::endl;

        }

        out << "total      "

            << std::setw(16) << std::right << std::fixed

            << std::setprecision(2) << totalDiscounted << " " << currencyCode

            << std::setw(16) << std::right << std::fixed

            << std::setprecision(2) << totalUndiscounted << " "

            << currencyCode << std::endl;

        return out;

    }

}