#ifndef DOMAIN_SCHEMA_H
#define DOMAIN_SCHEMA_H

#include "connection_instance.h"
#include "instance.h"
#include "library.h"

#include <utility>
#include <vector>

namespace domain {

    struct ConnectionEntry {
        enum Type {
            BUS,
            COMPONENT
        };

        Type type;

        std::optional<BusInstance*> busInstance;
        std::optional<ComponentInstance*> componentInstance;
        std::optional<Pin> pin;

        Connection connection;
    };

    class Schema {
    private:
        Library library;
    public:
        Schema(Library library): library(std::move(library)) {}

        std::vector<shared_ptr<BusInstance>> busInstances;
        std::vector<shared_ptr<ComponentInstance>> componentInstances;

        std::vector<shared_ptr<ConnectionInstance>> connections;

        BusInstance *getBusInstance(std::string &name);
        ComponentInstance *getComponentInstance(std::string &name);
        bool hasConnection(string &component, string &pin);
        ConnectionInstance *getConnection(string &component, string &pin);

        std::vector<ConnectionEntry> availableConnections(std::string instance, std::string pin, bool onlyConnectable);

        vector<ConnectionInstance *> getConnections(string &component, string &pin);
    };

} // namespace domain

#endif // DOMAIN_SCHEMA_H