#ifndef AFBCLIENT_H
#define AFBCLIENT_H

#include <systemd/sd-event.h>

#include <functional>

extern "C"
{
#include <json-c/json.h>

#include "afb-wsj1.h"
#include "afb-ws-client.h"
}

class AFBClient
{
    explicit AFBClient();
    AFBClient(const AFBClient& that) = delete;
    virtual~AFBClient();

public:
    enum EventType {
       Event_Active = 1,
       Event_Inactive,
       Event_Visible,
       Event_Invisible,
       Event_SyncDraw,
       Event_FlushDraw,
    };

    static AFBClient &instance()
    {
        static AFBClient obj;
        return obj;
    }

    int init(int port, char const *token);
    int dispatch(uint64_t timeout);

    // WM API
    int requestSurface(const char *label);
    int activateSurface(const char *label);
    int deactivateSurface(const char *label);
    int endDraw(const char *label);

    void set_event_handler(enum EventType et, std::function<void(char const *label)> f);

    static void onCall(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg);
    static void onEvent(void *closure, const char *event, struct afb_wsj1_msg *msg);
    static void onHangup(void *closure, struct afb_wsj1 *wsj1);
    static void onReply(void *closure, struct afb_wsj1_msg *msg);

private:
    void call(const char *api, const char *verb, const char *object);
    void event(const char *event, const char *object);

    struct afb_wsj1 *wsj1;
    struct afb_wsj1_itf itf;

    sd_event *loop;
    static const char *wmURI;
    static const char *wmAPI;
};
#endif // AFBCLIENT_H