/* -*- 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

 <https://www.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/commodityindex.hpp>

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

#include <utility>

namespace QuantLib {

    CommodityIndex::CommodityIndex(std::string  indexName,

                                   CommodityType commodityType,

                                   Currency currency,

                                   UnitOfMeasure unitOfMeasure,

                                   Calendar calendar,

                                   Real lotQuantity,

                                   ext::shared_ptr<CommodityCurve> forwardCurve,

                                   ext::shared_ptr<ExchangeContracts> exchangeContracts,

                                   int nearbyOffset)

    : name_(std::move(indexName)), commodityType_(std::move(commodityType)),

      unitOfMeasure_(std::move(unitOfMeasure)), currency_(std::move(currency)),

      calendar_(std::move(calendar)), lotQuantity_(lotQuantity),

      forwardCurve_(std::move(forwardCurve)), exchangeContracts_(std::move(exchangeContracts)),

      nearbyOffset_(nearbyOffset) {

        registerWith(Settings::instance().evaluationDate());

        registerWith(notifier());

        if (forwardCurve_ != nullptr)

            // registerWith(forwardCurve_);

            forwardCurveUomConversionFactor_ =

                CommodityPricingHelper::calculateUomConversionFactor(

                                                commodityType_,

                                                forwardCurve_->unitOfMeasure_,

                                                unitOfMeasure_);

    }

    std::ostream& operator<<(std::ostream& out, const CommodityIndex& index) {

        out << "[" << index.name_ << "] ("

            << index.currency_.code() << "/"

            << index.unitOfMeasure_.code() << ")";

        if (index.forwardCurve_ != nullptr)

            out << "; forward (" << (*index.forwardCurve_) << ")";

        return out;

    }

}