InfiniTime/src/components/ble/ImmediateAlertService.h

#pragma once
#define min // workaround: nimble's min/max macros conflict with libstdc++
#define max
#include <host/ble_gap.h>
#undef max
#undef min

namespace Pinetime {
  namespace System {
    class SystemTask;
  }
  namespace Controllers {
    class NotificationManager;
    class ImmediateAlertService {
      public:
        enum class Levels : uint8_t {
            NoAlert = 0,
            MildAlert = 1,
            HighAlert = 2
        };

        ImmediateAlertService(Pinetime::System::SystemTask &systemTask,
                              Pinetime::Controllers::NotificationManager &notificationManager);
        void Init();
        int OnAlertLevelChanged(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt *context);

      private:
        Pinetime::System::SystemTask& systemTask;
        NotificationManager& notificationManager;

        static constexpr uint16_t immediateAlertServiceId {0x1802};
        static constexpr uint16_t alertLevelId {0x2A06};

        static constexpr ble_uuid16_t immediateAlertServiceUuid {
                .u {.type = BLE_UUID_TYPE_16},
                .value = immediateAlertServiceId
        };

        static constexpr ble_uuid16_t alertLevelUuid {
                .u {.type = BLE_UUID_TYPE_16},
                .value = alertLevelId
        };

        struct ble_gatt_chr_def characteristicDefinition[3];
        struct ble_gatt_svc_def serviceDefinition[2];

        uint16_t alertLevelHandle;
    };
  }
}