1 files changed, 40 insertions, 0 deletions
diff --git a/source/platform/StarStatisticsService.hpp b/source/platform/StarStatisticsService.hpp
new file mode 100644
index 0000000..c6afec7
--- /dev/null
+++ b/source/platform/StarStatisticsService.hpp
@@ -0,0 +1,40 @@
+#ifndef STAR_STATS_BACKEND_HPP
+#define STAR_STATS_BACKEND_HPP
+
+#include "StarJson.hpp"
+
+namespace Star {
+
+STAR_CLASS(StatisticsService);
+
+class StatisticsService {
+public:
+  virtual ~StatisticsService() = default;
+
+  virtual bool initialized() const = 0;
+  virtual Maybe<String> error() const = 0;
+
+  // The functions below aren't valid unless initialized() returns true and
+  // error() is empty.
+
+  // setStat should return false for stats or types that aren't known by the
+  // service, without reporting an error.
+  // By sending all stats to the StatisticsService, we can configure collection
+  // of new stats entirely on the service, without any modifications to the game.
+  virtual bool setStat(String const& name, String const& type, Json const& value) = 0;
+  virtual Json getStat(String const& name, String const& type, Json def = {}) const = 0;
+
+  // reportEvent should return false if the service doesn't handle this event.
+  virtual bool reportEvent(String const& name, Json const& fields) = 0;
+
+  virtual bool unlockAchievement(String const& name) = 0;
+  virtual StringSet achievementsUnlocked() const = 0;
+
+  virtual void refresh() = 0;
+  virtual void flush() = 0;
+  virtual bool reset() = 0;
+};
+
+}
+
+#endif