Stats.h

#pragma once
 
#include <Foundation/Basics.h>
#include <Foundation/Communication/Event.h>
#include <Foundation/Containers/Map.h>
#include <Foundation/Strings/String.h>
#include <Foundation/Types/Variant.h>
 
class PL_FOUNDATION_DLL plStats
{
public:
  using MapType = plMap<plString, plVariant>;
 
  static void RemoveStat(plStringView sStatName);
 
  static void SetStat(plStringView sStatName, const plVariant& value);
 
  static const plVariant& GetStat(plStringView sStatName) { return s_Stats[sStatName]; }
 
  static const MapType& GetAllStats() { return s_Stats; }
 
  struct StatsEventData
  {
    enum EventType
    {
      Add,   
      Set,   
      Remove 
    };
 
    EventType m_EventType;
    plStringView m_sStatName;
    plVariant m_NewStatValue;
  };
 
  using plEventStats = plEvent<const StatsEventData&, plMutex>;
 
  static void AddEventHandler(plEventStats::Handler handler) { s_StatsEvents.AddEventHandler(handler); }
 
  static void RemoveEventHandler(plEventStats::Handler handler) { s_StatsEvents.RemoveEventHandler(handler); }
 
private:
  static plMutex s_Mutex;
  static MapType s_Stats;
  static plEventStats s_StatsEvents;
};