// See the file "COPYING" in the main distribution directory for copyright.

#include "zeek/ZeekArgs.h"

#include "zeek/Desc.h"
#include "zeek/ID.h"
#include "zeek/Type.h"
#include "zeek/Val.h"

namespace zeek {

Args val_list_to_args(const ValPList& vl) {
    Args rval;
    rval.reserve(vl.length());

    for ( auto& v : vl )
        rval.emplace_back(AdoptRef{}, v);

    return rval;
}

VectorValPtr MakeCallArgumentVector(const Args& vals, const RecordTypePtr& types) {
    static auto call_argument_vector = id::find_type<VectorType>("call_argument_vector");

    auto rval = make_intrusive<VectorVal>(call_argument_vector);

    for ( int i = 0; i < types->NumFields(); i++ ) {
        const char* fname = types->FieldName(i);
        const auto& ftype = types->GetFieldType(i);
        auto fdefault = types->FieldDefault(i);

        static auto call_argument = id::find_type<RecordType>("call_argument");
        auto rec = make_intrusive<RecordVal>(call_argument);
        rec->Assign(0, fname);

        ODesc d;
        d.SetShort();
        ftype->Describe(&d);
        rec->Assign(1, d.Description());

        if ( fdefault )
            rec->Assign(2, std::move(fdefault));

        if ( i < static_cast<int>(vals.size()) && vals[i] )
            rec->Assign(3, vals[i]);

        rval->Assign(i, std::move(rec));
    }

    return rval;
}

VectorValPtr MakeEmptyCallArgumentVector() {
    static auto call_argument_vector = id::find_type<VectorType>("call_argument_vector");
    return make_intrusive<VectorVal>(call_argument_vector);
}

} // namespace zeek
