package org.jquantlib.cashflow;

import java.util.List;

import org.jquantlib.QL;
import org.jquantlib.lang.annotation.QualityAssurance;
import org.jquantlib.lang.annotation.QualityAssurance.Quality;
import org.jquantlib.lang.annotation.QualityAssurance.Version;
import org.jquantlib.lang.exceptions.LibraryException;
import org.jquantlib.util.PolymorphicVisitor;
import org.jquantlib.util.Visitor;

/**
 * Coupon selector to PricerSetter
 *
 * @author Richard Gomes
 */
@QualityAssurance(quality=Quality.Q0_UNFINISHED, version=Version.V097, reviewers="Richard Gomes")
public class PricerSetter implements PolymorphicVisitor {

    private static final String INCOMPATIBLE_PRICER = "incompatible pricer";
    private static final String UNKNOWN_VISITABLE = "unknown visitable";


    //
    // private fields
    //

    private final FloatingRateCouponPricer pricer;


    // private constructors
    //

    public PricerSetter(final FloatingRateCouponPricer pricer) {
        this.pricer = pricer;
    }


    //
    // static public methods
    //

    static public void setCouponPricer(final Leg leg, final FloatingRateCouponPricer pricer) {
        final PricerSetter setter = new PricerSetter(pricer);
        for (int i=0; i pricers) {
        QL.require(leg.size()>0 , "no cashflows");
        QL.require(leg.size() == pricers.size() , "mismatch between leg size and number of pricers");
        final int nCashFlows = leg.size();
        final int nPricers = pricers.size();
        for (int i=0; i Visitor visitor(Class klass) {
        if (klass==org.jquantlib.cashflow.CashFlow.class ) {
            return (Visitor) new CashFlowVisitor();
        }
        if ( klass == SimpleCashFlow.class) {
            return (Visitor) new SimpleCashFlowVisitor();
        }
        if (klass==Coupon.class) {
            return (Visitor) new CouponVisitor();
        }
        if (klass==IborCoupon.class) {
            return (Visitor) new IborCouponVisitor();
        }
        if (klass == CmsCoupon.class) {
            return (Visitor) new CmsCouponVisitor();
        }
        
//        if (klass == CappedFlooredIborCoupon.class) {
//            return (Visitor) new CappedFlooredIborCouponVisitor();
//        }
//        if (klass == CappedFlooredCmsCoupon.class) {
//            return (Visitor) new CappedFlooredCmsCouponVisitor();
//        }
//        if (klass == DigitalIborCoupon.class) {
//            return (Visitor) new DigitalIborCouponVisitor();
//        }
//        if (klass == DigitalCmsCoupon.class) {
//            return (Visitor) new DigitalCmsCouponVisitor();
//        }
//        if (klass == RangeAccrualFloatersCoupon.class) {
//            return (Visitor) new RangeAccrualFloatersCouponVisitor();
//        }
//        if (klass == SubPeriodsCoupon.class) {
//            return (Visitor) new SubPeriodsCouponVisitor();
//        }

        throw new LibraryException(UNKNOWN_VISITABLE); // QA:[RG]::verified
    }


    //
    // private inner classes
    //

    private class CashFlowVisitor implements Visitor {
        @Override
        public void visit(final CashFlow o) {
            // nothing
        }
    }
    private class SimpleCashFlowVisitor implements Visitor {
        @Override
        public void visit(final CashFlow o) {
            // nothing
        }
    }

    private class CouponVisitor implements Visitor {
        @Override
        public void visit(final CashFlow o) {
            // nothing
        }
    }

    private class IborCouponVisitor implements Visitor {
        @Override
        public void visit(final CashFlow o) {
            if (IborCouponPricer.class.isAssignableFrom(pricer.getClass())) {
                final IborCoupon c = (IborCoupon) o;
                c.setPricer(pricer);
            } else {
                throw new LibraryException(INCOMPATIBLE_PRICER); // QA:[RG]::verified
            }
        }
    }

    private class CmsCouponVisitor implements Visitor {
        @Override
        public void visit(final CashFlow o) {
            if (CmsCouponPricer.class.isAssignableFrom(pricer.getClass())) {
                final CmsCoupon c = (CmsCoupon) o;
                c.setPricer((CmsCouponPricer)pricer);
            } else {
                throw new LibraryException(INCOMPATIBLE_PRICER); // QA:[RG]::verified
            }
        }
    }


    
    //
    // TODO: Uncomment the following code as soon the corresponding classes become translated
    //
    
    
    
//	private class CappedFlooredIborCouponVisitor implements Visitor {
//		@Override
//		public void visit(final CashFlow o) {
//			if (CappedFlooredIborCouponPricer.class.isAssignableFrom(pricer
//					.getClass())) {
//				final CappedFlooredIborCoupon c = (CappedFlooredIborCoupon) o;
//				c.setPricer((CappedFlooredIborCouponPricer) pricer);
//			} else {
//				throw new LibraryException(INCOMPATIBLE_PRICER); // QA:[RG]::verified
//			}
//		}
//	}
//    
//    private class CappedFlooredCmsCouponVisitor implements Visitor