#ifndef VIEWER_HPP
#define VIEWER_HPP

#include "world.hpp"
#include "animqueue.hpp"
#include "gui.hpp"
#include <vector>
#include <string>
#include <memory>

class Viewer {
private:
    std::unique_ptr<World> world_;

public:
    Viewer();
    ~Viewer();

    // Snapshot/rollback the lua state (temporary hack)
    void snapshot() { world_->lua_snap_.snapshot(); }
    void rollback() { world_->lua_snap_.rollback(); }
    
    // Get the lua state for interaction.
    //
    lua_State *state() { return world_->state(); }

    // Get the player ID of the current player.
    //
    int64_t get_player_id();

    // Get the list of tangibles near the player.
    //
    std::vector<int64_t> get_near() { return world_->get_near(1, 100); }
    
    // Get the specified tangible.
    //
    const Tangible *tangible_get(int64_t id) { return world_->tangible_get(id); }

    // Update the GUI for the specified sprite.
    //
    // The gui passed in will be overwritten.
    //
    void update_gui(int64_t id, Gui *g);
};

#endif // VIEWER_HPP