/**
  * Sends / receives data to / from one UAVCommander via TMS-IF
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Mike Wille, ESZS, 2025-04-17
  */

#pragma once


#include <string>
#include <functional>
#include <vector>

#include <QVector3D>
#include <QString>


namespace UAS
{
namespace CoordinateFrame
{
namespace ReportPositions
{
struct Message
{
  double lat;
  double lon;
  double alt;
  int64_t timestamp;
};

using CallbackFn = std::function<void(const CoordinateFrame::ReportPositions::Message &data)>;
}
}

namespace TeleOperation {
///  Enumeration of states of a the radio link.
enum Type
{
    ///  The connection is in a undefined state.
    Undefined,
    ///  The link is currently disconnected.
    Disconnected,
    ///  The link is currently connecting.
    Connecting,
    ///  The link is currently disconnecting
    Diconnecting,
    ///  The link is currently connected.
    Connected,
    ///  The link is currently in error state.
    Error
};

namespace RadioLinkConnectionState {
struct Message
{
  Type status;
};
using CallbackFn = std::function<void(const TeleOperation::RadioLinkConnectionState::Message &data)>;
}

}

namespace BuiltInTest {
///  Enumeration of states of a the radio link.
namespace TestResult {
///  Test result type enumeration.
enum Type
{
    ///  Unknown -- test has not yet been completed or could not be initiated.
    Undefined,
    ///  OK -- no failure was detected.
    OK,
    ///  Warning -- a situation which warrants a warning was detected.
    Warning,
    ///  Reduced performance -- an error was detected which results in reduced performance.
    Reduced_Performance_Error,
    ///  Fatal error -- a failure was detected which results in complete loss of functionality.
    Fatal_Error
};
}
namespace ReportCBitStatus {
struct Message
{
  std::string                    Key;
  std::string                    RoutineName;
  BuiltInTest::TestResult::Type  Result;
  unsigned long                  ErrorCode;
  std::string                    ErrorCodeDescription;
};
using CallbackFn = std::function<void(const ReportCBitStatus::Message &data)>;
}
}


namespace Device {
///  Enumeration of states of a the radio link.
namespace OperationModeStateKind {
///  Operation mode state enumeration.
enum Type
{
    ///  Unknown mode state.
    Undefined,
    ///  Off.
    Off,
    ///  On.
    On,
    ///  Standby.
    Standby,
    ///  Initialising.
    Init,
    ///  Shutting down.
    Shutdown,
    ///  Normal operation.
    Normal,
    ///  Manual operation.
    Manual,
    ///  Automatic operation.
    Auto,
    ///  Calibrating.
    Calibrating,
    ///  Maintenance.
    Maintenance
};
}
namespace ReportDeviceStatus
{
struct Message
{
  OperationModeStateKind::Type  Status;
};
using CallbackFn = std::function<void(const ReportDeviceStatus::Message &data)>;
}
}


namespace ObjectManager
{
namespace ReportPoint
{
struct Message
{
  int uasId;
  bool isRemoved;
};
}
}


namespace MissionCtrl
{

enum Task // see tmsif/type/MissionCtrl.hpp:43
{
  Undefined,  // 0
  Connect,    // 1
  Disconnect, // 2
  Arm,        // 3
  Disarm,     // 4
  Fire,
  Observe,    // 6
  ///  Let vehicle ascend.
  Climb,
  ///  Let vehicle descend.
  Descend,
  ///  Perform vehicle takeoff.
  Takeoff,    // 9
  ///  Perform vehicle landing.
  Land,       // 10
  Reboot,     // 11
  Shutdown,   // 12
  ///  Loiter around a specified position.
  Loiter,     // 13
  ///  Return to a specified position.
  Return,     // 14
  ///  Follow a specified entity.
  Follow,     // 15
  ///  Stop current motion/action.
  Stop,
  ///  Resume the stopped motion/action.
  Resume
};

namespace ReportMissionStatus
{

struct Message
{
  std::string currentMissionName;
  Task currentTask;
  std::vector<Task> currentlyAllowedTasks;
  std::string missionEnded;
};

using CallbackFn = std::function<void(const MissionCtrl::ReportMissionStatus::Message &data)>;
}
}


class UAVCommander
{
public:
  virtual ~UAVCommander() = default;
  bool isReady() const { return m_isReady; }
  virtual void startIA(const std::string &ip, const uint16_t port, const bool useTcp) noexcept(false) = 0;

  virtual void sendMission(double lat, double lon, double alt = 0, const QString &missionName = {}) noexcept(false) = 0;
  virtual void returnToHome() = 0;
  virtual void sendTryReclaimAutoMode() = 0;

  virtual void set_CoordinateFrame_ReportPosition_Callback(CoordinateFrame::ReportPositions::CallbackFn callbackFn) = 0;
  virtual void set_isReady_Callback(std::function<void()> callbackFn) = 0;
  virtual void set_ReportCBitStatus_Callback(BuiltInTest::ReportCBitStatus::CallbackFn callbackFn) = 0;
  virtual void set_ReportDeviceStatusType_Callback(Device::ReportDeviceStatus::CallbackFn callbackFn) = 0;
  virtual void set_ReportRadioLinkConnectionState_Callback(TeleOperation::RadioLinkConnectionState::CallbackFn callbackFn) = 0;
  virtual void set_ReportMissionStatus_Callback(MissionCtrl::ReportMissionStatus::CallbackFn callbackFn) = 0;

protected:
  bool m_isReady { false };
};
} // namespace UAS