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

#include "zeek/plugin/Component.h"

#include "zeek/Desc.h"
#include "zeek/Reporter.h"

namespace zeek::plugin {

Tag::type_t Component::type_counter(0);

Component::Component(component::Type arg_type, const std::string& arg_name, Tag::subtype_t tag_subtype,
                     EnumTypePtr etype)
    : type(arg_type), name(arg_name), tag(etype, 1, 0), etype(std::move(etype)), tag_subtype(tag_subtype) {
    canon_name = util::canonify_name(name);
    canon_name_val = make_intrusive<StringVal>(canon_name);
}

void Component::Describe(ODesc* d) const {
    d->Add("    ");
    d->Add("[");

    switch ( type ) {
        case component::READER: d->Add("Reader"); break;

        case component::WRITER: d->Add("Writer"); break;

        case component::ANALYZER: d->Add("Analyzer"); break;

        case component::PACKET_ANALYZER: d->Add("Packet Analyzer"); break;

        case component::FILE_ANALYZER: d->Add("File Analyzer"); break;

        case component::IOSOURCE: d->Add("I/O Source"); break;

        case component::PKTSRC: d->Add("Packet Source"); break;

        case component::PKTDUMPER: d->Add("Packet Dumper"); break;

        case component::SESSION_ADAPTER: d->Add("Session Adapter"); break;

        case component::CLUSTER_BACKEND: d->Add("Cluster Backend"); break;

        case component::EVENT_SERIALIZER: d->Add("Event Serializer"); break;

        case component::LOG_SERIALIZER: d->Add("Log Serializer"); break;

        default:
            reporter->InternalWarning("unknown component type in plugin::Component::Describe");
            d->Add("<unknown component type>");
            break;
    }

    d->Add("]");
    d->Add(" ");
    d->Add(name);
    d->Add(" (");
    DoDescribe(d);
    d->Add(")");
}

void Component::InitializeTag() {
    assert(tag_initialized == false);
    tag_initialized = true;
    tag = zeek::Tag(etype, ++type_counter, tag_subtype);
}

zeek::Tag Component::Tag() const {
    assert(tag_initialized);
    return tag;
}

void Component::SetEnabled(bool arg_enabled) {
    switch ( type ) {
        case component::ANALYZER:
        case component::PACKET_ANALYZER:
        case component::FILE_ANALYZER:
        case component::SESSION_ADAPTER:
            // For these types we have logic in place to ignore the component
            // if disabled.
            enabled = arg_enabled;
            break;

        default:
            // It wouldn't be hard to add support for other component types. We
            // just need to make sure the enabled flag is checked somewhere to
            // skip using the component if off.
            ODesc d;
            Describe(&d);
            reporter->InternalError("SetEnabled() called on unsupported component (%s)", d.Description());
            break;
    }
}
} // namespace zeek::plugin