#include "dialoguestate.hpp"

#include "esmreader.hpp"
#include "esmwriter.hpp"

namespace ESM
{

    void DialogueState::load(ESMReader& esm)
    {
        while (esm.isNextSub("TOPI"))
            mKnownTopics.push_back(esm.getHString());

        while (esm.isNextSub("FACT"))
        {
            std::string faction = esm.getHString();

            while (esm.isNextSub("REA2"))
            {
                std::string faction2 = esm.getHString();
                int reaction;
                esm.getHNT(reaction, "INTV");
                mChangedFactionReaction[faction][faction2] = reaction;
            }

            // no longer used
            while (esm.isNextSub("REAC"))
            {
                esm.skipHSub();
                esm.getSubName();
                esm.skipHSub();
            }
        }
    }

    void DialogueState::save(ESMWriter& esm) const
    {
        for (std::vector<std::string>::const_iterator iter(mKnownTopics.begin()); iter != mKnownTopics.end(); ++iter)
        {
            esm.writeHNString("TOPI", *iter);
        }

        for (std::map<std::string, std::map<std::string, int>>::const_iterator iter = mChangedFactionReaction.begin();
             iter != mChangedFactionReaction.end(); ++iter)
        {
            esm.writeHNString("FACT", iter->first);

            for (std::map<std::string, int>::const_iterator reactIter = iter->second.begin();
                 reactIter != iter->second.end(); ++reactIter)
            {
                esm.writeHNString("REA2", reactIter->first);
                esm.writeHNT("INTV", reactIter->second);
            }
        }
    }

}