#include "src/logic/MultiObjectiveFormula.h"

#include "src/logic/FormulaVisitor.h"
#include "src/utility/macros.h"
#include "src/exceptions/InvalidArgumentException.h"

namespace storm {
    namespace logic {
        
        MultiObjectiveFormula::MultiObjectiveFormula(std::vector<std::shared_ptr<Formula const>> const& subformulas) : subformulas(subformulas) {
            //Intentionally left empty
        }
        
        MultiObjectiveFormula::~MultiObjectiveFormula() {
            //Intentionally left empty
        }
        
        bool MultiObjectiveFormula::isMultiObjectiveFormula() const {
            return true;
        }
        
        bool MultiObjectiveFormula::hasQualitativeResult() const {
            for(auto const& subformula : this->subformulas){
                if(subformula->hasQuantitativeResult()){
                    return false;
                }
            }
            return true;
        }
        
        bool MultiObjectiveFormula::hasQuantitativeResult() const {
            return !hasQualitativeResult();
        }
        
        bool MultiObjectiveFormula::hasNumericalResult() const {
            bool hasExactlyOneQualitativeSubformula = false;
            for(auto const& subformula : this->subformulas){
                if(subformula->hasQualitativeResult()){
                    if(hasExactlyOneQualitativeSubformula){
                        return false;
                    }
                    hasExactlyOneQualitativeSubformula=true;
                }
            }
            return hasExactlyOneQualitativeSubformula;
        }
        
        bool MultiObjectiveFormula::hasParetoCurveResult() const {
            return hasQuantitativeResult() && !hasNumericalResult();
        }
        
        Formula const& MultiObjectiveFormula::getSubformula(uint_fast64_t index) const {
            STORM_LOG_THROW(index < getNumberOfSubformulas(), storm::exceptions::InvalidArgumentException, "Tried to access subformula with index " << index << " but there are only " << this->getNumberOfSubformulas() << " subformulas.");
            return *this->subformulas[index];
        }
        
        uint_fast64_t MultiObjectiveFormula::getNumberOfSubformulas() const {
            return this->subformulas.size();
        }
        
        std::vector<std::shared_ptr<Formula const>> const& MultiObjectiveFormula::getSubFormulas() const {
            return this->subformulas;
        }
        
        boost::any MultiObjectiveFormula::accept(FormulaVisitor const& visitor, boost::any const& data) const {
            return visitor.visit(*this, data);
        }
        
        void MultiObjectiveFormula::gatherAtomicExpressionFormulas(std::vector<std::shared_ptr<AtomicExpressionFormula const>>& atomicExpressionFormulas) const {
            for(auto const& subformula : this->subformulas){
                subformula->gatherAtomicExpressionFormulas(atomicExpressionFormulas);
            }
        }
        
        void MultiObjectiveFormula::gatherAtomicLabelFormulas(std::vector<std::shared_ptr<AtomicLabelFormula const>>& atomicLabelFormulas) const {
            for(auto const& subformula : this->subformulas){
                subformula->gatherAtomicLabelFormulas(atomicLabelFormulas);
            }
        }
        
        void MultiObjectiveFormula::gatherReferencedRewardModels(std::set<std::string>& referencedRewardModels) const {
            for(auto const& subformula : this->subformulas){
                subformula->gatherReferencedRewardModels(referencedRewardModels);
            }
        }
        
        std::ostream& MultiObjectiveFormula::writeToStream(std::ostream &out) const {
            out << "multi(";
            for(uint_fast64_t index = 0; index < this->getNumberOfSubformulas(); ++index){
                if(index>0){
                    out << ", ";
                }
                this->getSubformula(index).writeToStream(out);
            }
            out << ")";
            return out;
        }
    }
}