#include "loadlevlist.hpp"

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

namespace ESM
{

void LevelledListBase::load(ESMReader &esm)
{
    esm.getHNT(mFlags, "DATA");
    esm.getHNT(mChanceNone, "NNAM");

    if (esm.isNextSub("INDX"))
    {
        int len;
        esm.getHT(len);
        mList.resize(len);
    }
    else
    {
        esm.skipRecord();
        return;
    }

    // If this levelled list was already loaded by a previous content file,
    // we overwrite the list. Merging lists should probably be left to external tools,
    // with the limited amount of information there is in the records, all merging methods
    // will be flawed in some way. For a proper fix the ESM format would have to be changed
    // to actually track list changes instead of including the whole list for every file
    // that does something with that list.

    for (size_t i = 0; i < mList.size(); i++)
    {
        LevelItem &li = mList[i];
        li.mId = esm.getHNString(mRecName);
        esm.getHNT(li.mLevel, "INTV");
    }
}
void LevelledListBase::save(ESMWriter &esm) const
{
    esm.writeHNT("DATA", mFlags);
    esm.writeHNT("NNAM", mChanceNone);
    esm.writeHNT<int>("INDX", mList.size());

    for (std::vector<LevelItem>::const_iterator it = mList.begin(); it != mList.end(); ++it)
    {
        esm.writeHNCString(mRecName, it->mId);
        esm.writeHNT("INTV", it->mLevel);
    }
}

    void LevelledListBase::blank()
    {
        mFlags = 0;
        mChanceNone = 0;
        mList.clear();
    }

    unsigned int CreatureLevList::sRecordId = REC_LEVC;

    unsigned int ItemLevList::sRecordId = REC_LEVI;
}