// -*- mode: C++ -*-

/* This file is auto-generated by run_glean_parser.py.
   It is only for internal use by types in
   toolkit/components/glean/bindings/private */

#include "mozilla/AppShutdown.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/glean/bindings/GleanJSMetricsLookup.h"
#include "mozilla/glean/bindings/jog/JOG.h"
#include "mozilla/Maybe.h"
#include "mozilla/Telemetry.h"
#include "nsIThread.h"
#include "nsThreadUtils.h"

#ifndef mozilla_glean_ScalarGifftMap_h
#define mozilla_glean_ScalarGifftMap_h

#define DYNAMIC_METRIC_BIT (26)
#define GLEAN_METRIC_ID(id) ((id) & ((1ULL << 27) - 1))

namespace mozilla::glean {

using Telemetry::ScalarID;

static inline bool IsSubmetricId(uint32_t aId) {
  // Submetrics have the 2^25 bit set.
  // (ID_BITS - ID_SIGNAL_BITS, keep it in sync with js.py).
  return (aId & (1 << 25)) > 0;
}

static inline Maybe<ScalarID> ScalarIdForMetric(uint32_t aId) {
  switch(aId) {
    case 1: { // test.boolean_metric
      return Some(ScalarID::SOME_BOOL_SCALAR);
    }
    case 2: { // test.counter_metric
      return Some(ScalarID::SOME_UINT_SCALAR);
    }
    case 4: { // test.labeled_boolean_metric
      return Some(ScalarID::SOME_KEYED_BOOL_SCALAR);
    }
    case 5: { // test.labeled_boolean_metric_labels
      return Some(ScalarID::SOME_OTHER_KEYED_BOOL_SCALAR);
    }
    case 6: { // test.labeled_counter_metric
      return Some(ScalarID::SOME_KEYED_UINT_SCALAR);
    }
    case 7: { // test.labeled_counter_metric_labels
      return Some(ScalarID::SOME_OTHER_KEYED_UINT_SCALAR);
    }
    case 11: { // test.string_list_metric
      return Some(ScalarID::YET_ANOTHER_KEYED_BOOL_SCALAR);
    }
    case 12: { // test.string_metric
      return Some(ScalarID::SOME_STRING_SCALAR);
    }
    case 14: { // test.timespan_metric
      return Some(ScalarID::SOME_OTHER_UINT_SCALAR);
    }
    case 16: { // test.nested.datetime_metric
      return Some(ScalarID::SOME_STILL_OTHER_STRING_SCALAR);
    }
    case 21: { // test.nested.quantity_metric
      return Some(ScalarID::TELEMETRY_TEST_MIRROR_FOR_QUANTITY);
    }
    case 24: { // test.nested.uuid_metric
      return Some(ScalarID::SOME_OTHER_STRING_SCALAR);
    }
    default: {
      if (MOZ_UNLIKELY(aId & (1 << DYNAMIC_METRIC_BIT))) {
        // Dynamic (runtime-registered) metric. Use its static (compiletime-
        // registered) metric's telemetry_mirror mapping.
        // ...if applicable.

        // Only JS can use dynamic (runtime-registered) metric ids.
        MOZ_ASSERT(NS_IsMainThread());

        auto metricName = JOG::GetMetricName(aId);
        // All of these should have names, but the storage only lasts until
        // XPCOMWillShutdown, so it might return `Nothing()`.
        if (metricName.isSome()) {
          auto maybeMetric = MetricByNameLookup(metricName.ref());
          if (maybeMetric.isSome()) {
            uint32_t staticId = GLEAN_METRIC_ID(maybeMetric.value());
            // Let's ensure we don't infinite loop, huh.
            MOZ_ASSERT(!(staticId & (1 << DYNAMIC_METRIC_BIT)));
            return ScalarIdForMetric(staticId);
          }
        }
      }
      return Nothing();
    }
  }
}

}  // namespace mozilla::glean

#undef GLEAN_METRIC_ID
#undef DYNAMIC_METRIC_BIT

#endif  // mozilla_glean_ScalarGifftMaps_h