From 2096708165bcc2dceeb3d7ec4c6aa499be09d8fe Mon Sep 17 00:00:00 2001
From: Victor <victor@cern.ch>
Date: Sun, 10 Aug 2025 20:41:47 +0200
Subject: [PATCH] [PWGCF] DptDpt - Using metadata for auto autoconfiguration

---
 PWGCF/TableProducer/dptDptFilter.h | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/PWGCF/TableProducer/dptDptFilter.h b/PWGCF/TableProducer/dptDptFilter.h
index b107156d5f3..3e44818103c 100644
--- a/PWGCF/TableProducer/dptDptFilter.h
+++ b/PWGCF/TableProducer/dptDptFilter.h
@@ -18,6 +18,7 @@
 
 #include "PWGCF/Core/AnalysisConfigurableCuts.h"
 
+#include "Common/Core/MetadataHelper.h"
 #include "Common/Core/RecoDecay.h"
 #include "Common/Core/TrackSelection.h"
 #include "Common/Core/TrackSelectionDefaults.h"
@@ -74,6 +75,9 @@ enum SystemType {
   kXeXe,         ///< **Xe-Xe** system
   kppRun3,       ///< **p-p Run 3** system
   kPbPbRun3,     ///< **Pb-Pb Run 3** system
+  kNeNeRun3,     ///< **Ne-Ne Run 3** system
+  kOORun3,       ///< **O-O Run 3** system
+  kpORun3,       ///< **p-O Run 3** system
   knSystems      ///< number of handled systems
 };
 
@@ -194,6 +198,11 @@ float overallminp = 0.0f;
 //============================================================================================
 std::bitset<32> collisionFlags;
 
+//============================================================================================
+// The input data metadata access helper
+//============================================================================================
+o2::common::core::MetadataHelper metadataInfo;
+
 //============================================================================================
 // The DptDptFilter configuration objects
 //============================================================================================
@@ -561,6 +570,22 @@ inline TriggerSelectionType getTriggerSelection(std::string const& triggstr)
   }
 }
 
+inline SystemType getSytemTypeFromMetaData()
+{
+  auto period = metadataInfo.get("LPMProductionTag");
+
+  if (period == "LHC25ad" || period == "LHC25g5") {
+    return kpORun3;
+  } else if (period == "LHC25ae" || period == "LHC25g6") {
+    return kOORun3;
+  } else if (period == "LHC25af" || period == "LHC25g7") {
+    return kNeNeRun3;
+  } else {
+    LOGF(fatal, "DptDptCorrelations::getSystemTypeFromMetadata(). No automatic system type configuration for %s period", period.c_str());
+  }
+  return kPbp;
+}
+
 inline SystemType getSystemType(std::string const& sysstr)
 {
   /* we have to figure out how extract the system type */
@@ -572,14 +597,14 @@ inline SystemType getSystemType(std::string const& sysstr)
     return kpPb;
   } else if (sysstr == "Pbp") {
     return kPbp;
-  } else if (sysstr == "pPb") {
-    return kpPb;
   } else if (sysstr == "XeXe") {
     return kXeXe;
   } else if (sysstr == "ppRun3") {
     return kppRun3;
   } else if (sysstr == "PbPbRun3") {
     return kPbPbRun3;
+  } else if (sysstr == "Auto") {
+    return getSytemTypeFromMetaData();
   } else {
     LOGF(fatal, "DptDptCorrelations::getSystemType(). Wrong system type: %s", sysstr.c_str());
   }