//========= Copyright Valve Corporation ============//
#include "openvr.h"
#include "hmderrors_public.h"
#include <stdio.h>
#include <algorithm>

using namespace vr;

#define RETURN_ENUM_AS_STRING(enumValue) case enumValue: return #enumValue;


const char *GetEnglishStringForHmdError( vr::EVRInitError eError )
{
	switch( eError )
	{
	case VRInitError_None:						return "No Error (0)";

	case VRInitError_Init_InstallationNotFound:	return "Installation Not Found (100)";
	case VRInitError_Init_InstallationCorrupt:	return "Installation Corrupt (101)";
	case VRInitError_Init_VRClientDLLNotFound:	return "vrclient Shared Lib Not Found (102)";
	case VRInitError_Init_FileNotFound:			return "File Not Found (103)";
	case VRInitError_Init_FactoryNotFound:		return "Factory Function Not Found (104)";
	case VRInitError_Init_InterfaceNotFound:	return "Interface Not Found (105)";
	case VRInitError_Init_InvalidInterface:		return "Invalid Interface (106)";
	case VRInitError_Init_UserConfigDirectoryInvalid: return "User Config Directory Invalid (107)";
	case VRInitError_Init_HmdNotFound:			return "Hmd Not Found (108)";
	case VRInitError_Init_NotInitialized:		return "Not Initialized (109)";
	case VRInitError_Init_PathRegistryNotFound:	return "Installation path could not be located (110)";
	case VRInitError_Init_NoConfigPath:			return "Config path could not be located (111)";
	case VRInitError_Init_NoLogPath:			return "Log path could not be located (112)";
	case VRInitError_Init_PathRegistryNotWritable: return "Unable to write path registry (113)";
	case VRInitError_Init_AppInfoInitFailed:	return "App info manager init failed (114)";
	case VRInitError_Init_Retry:				return "Internal Retry (115)";
	case VRInitError_Init_InitCanceledByUser:	return "User Canceled Init (116)";
	case VRInitError_Init_AnotherAppLaunching:	return "Another app was already launching (117)";
	case VRInitError_Init_SettingsInitFailed:	return "Settings manager init failed (118)";
	case VRInitError_Init_ShuttingDown:			return "VR system shutting down (119)";
	case VRInitError_Init_TooManyObjects:		return "Too many tracked objects (120)";
	case VRInitError_Init_NoServerForBackgroundApp: return "Not starting vrserver for background app (121)";
	case VRInitError_Init_NotSupportedWithCompositor: return "The requested interface is incompatible with the compositor and the compositor is running (122)";
	case VRInitError_Init_NotAvailableToUtilityApps: return "This interface is not available to utility applications (123)";
	case VRInitError_Init_Internal:				return "vrserver internal error (124)";
	case VRInitError_Init_HmdDriverIdIsNone:	return "Hmd DriverId is invalid (125)";
	case VRInitError_Init_HmdNotFoundPresenceFailed:	return "Hmd Not Found Presence Failed (126)";
	case VRInitError_Init_VRMonitorNotFound: return "VR Monitor Not Found (127)";
	case VRInitError_Init_VRMonitorStartupFailed: return "VR Monitor startup failed (128)";
	case VRInitError_Init_LowPowerWatchdogNotSupported: return "Low Power Watchdog Not Supported (129)";
	case VRInitError_Init_InvalidApplicationType: return "Invalid Application Type (130)";
	case VRInitError_Init_NotAvailableToWatchdogApps: return "Not available to watchdog apps (131)";
	case VRInitError_Init_WatchdogDisabledInSettings: return "Watchdog disabled in settings (132)";
	case VRInitError_Init_VRDashboardNotFound: return "VR Dashboard Not Found (133)";
	case VRInitError_Init_VRDashboardStartupFailed: return "VR Dashboard startup failed (134)";
	case VRInitError_Init_VRHomeNotFound: return "VR Home Not Found (135)";
	case VRInitError_Init_VRHomeStartupFailed: return "VR home startup failed (136)";

	case VRInitError_Driver_Failed:				return "Driver Failed (200)";
	case VRInitError_Driver_Unknown:			return "Driver Not Known (201)";
	case VRInitError_Driver_HmdUnknown:			return "HMD Not Known (202)";
	case VRInitError_Driver_NotLoaded:			return "Driver Not Loaded (203)";
	case VRInitError_Driver_RuntimeOutOfDate:	return "Driver runtime is out of date (204)";
	case VRInitError_Driver_HmdInUse:			return "HMD already in use by another application (205)";
	case VRInitError_Driver_NotCalibrated:		return "Device is not calibrated (206)";
	case VRInitError_Driver_CalibrationInvalid: return "Device Calibration is invalid (207)";
	case VRInitError_Driver_HmdDisplayNotFound: return "HMD detected over USB, but Monitor not found (208)";
	case VRInitError_Driver_TrackedDeviceInterfaceUnknown: return "Driver Tracked Device Interface unknown (209)";
	// case VRInitError_Driver_HmdDisplayNotFoundAfterFix: return "HMD detected over USB, but Monitor not found after attempt to fix (210)"; // taken out upon Ben's request: He thinks that there is no need to separate that error from 208
	case VRInitError_Driver_HmdDriverIdOutOfBounds: return "Hmd DriverId is our of bounds (211)";
	case VRInitError_Driver_HmdDisplayMirrored: return "HMD detected over USB, but Monitor may be mirrored instead of extended (212)";

	case VRInitError_IPC_ServerInitFailed:		return "VR Server Init Failed (300)";
	case VRInitError_IPC_ConnectFailed:			return "Connect to VR Server Failed (301)";
	case VRInitError_IPC_SharedStateInitFailed: return "Shared IPC State Init Failed (302)";
	case VRInitError_IPC_CompositorInitFailed:	return "Shared IPC Compositor Init Failed (303)";
	case VRInitError_IPC_MutexInitFailed:		return "Shared IPC Mutex Init Failed (304)";
	case VRInitError_IPC_Failed:				return "Shared IPC Failed (305)";
	case VRInitError_IPC_CompositorConnectFailed:				return "Shared IPC Compositor Connect Failed (306)";
	case VRInitError_IPC_CompositorInvalidConnectResponse:		return "Shared IPC Compositor Invalid Connect Response (307)";
	case VRInitError_IPC_ConnectFailedAfterMultipleAttempts:	return "Shared IPC Connect Failed After Multiple Attempts (308)";

	case VRInitError_Compositor_Failed:						return "Compositor failed to initialize (400)";
	case VRInitError_Compositor_D3D11HardwareRequired:		return "Compositor failed to find DX11 hardware (401)";
	case VRInitError_Compositor_FirmwareRequiresUpdate:		return "Compositor requires mandatory firmware update (402)";
	case VRInitError_Compositor_OverlayInitFailed:			return "Compositor initialization succeeded, but overlay init failed (403)";
	case VRInitError_Compositor_ScreenshotsInitFailed:			return "Compositor initialization succeeded, but screenshot init failed (404)";
	case VRInitError_Compositor_UnableToCreateDevice:			return "Compositor unable to create graphics device (405)";

	// Oculus
	case VRInitError_VendorSpecific_UnableToConnectToOculusRuntime:	return "Unable to connect to Oculus Runtime (1000)";

	// Lighthouse
	case VRInitError_VendorSpecific_HmdFound_CantOpenDevice:				return "HMD found, but can not open device (1101)";
	case VRInitError_VendorSpecific_HmdFound_UnableToRequestConfigStart:	return "HMD found, but unable to request config (1102)";
	case VRInitError_VendorSpecific_HmdFound_NoStoredConfig:				return "HMD found, but no stored config (1103)";
	case VRInitError_VendorSpecific_HmdFound_ConfigFailedSanityCheck:       return "HMD found, but failed configuration check (1113)";
	case VRInitError_VendorSpecific_HmdFound_ConfigTooBig:					return "HMD found, but config too big (1104)";
	case VRInitError_VendorSpecific_HmdFound_ConfigTooSmall:				return "HMD found, but config too small (1105)";
	case VRInitError_VendorSpecific_HmdFound_UnableToInitZLib:				return "HMD found, but unable to init ZLib (1106)";
	case VRInitError_VendorSpecific_HmdFound_CantReadFirmwareVersion:		return "HMD found, but problems with the data (1107)";
	case VRInitError_VendorSpecific_HmdFound_UnableToSendUserDataStart:		return "HMD found, but problems with the data (1108)";
	case VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataStart:		return "HMD found, but problems with the data (1109)";
	case VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataNext:		return "HMD found, but problems with the data (1110)";
	case VRInitError_VendorSpecific_HmdFound_UserDataAddressRange:			return "HMD found, but problems with the data (1111)";
	case VRInitError_VendorSpecific_HmdFound_UserDataError:					return "HMD found, but problems with the data (1112)";

	case VRInitError_Steam_SteamInstallationNotFound: return "Unable to find Steam installation (2000)";

	default:
		{
			static char buf[128];
			sprintf( buf, "Unknown error (%d)", eError );
			return buf;
		}
	}

}


const char *GetIDForVRInitError( vr::EVRInitError eError )
{
	switch( eError )
	{
		RETURN_ENUM_AS_STRING( VRInitError_None );
		RETURN_ENUM_AS_STRING( VRInitError_Unknown );

		RETURN_ENUM_AS_STRING( VRInitError_Init_InstallationNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_InstallationCorrupt );
		RETURN_ENUM_AS_STRING( VRInitError_Init_VRClientDLLNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_FileNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_FactoryNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_InterfaceNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_InvalidInterface );
		RETURN_ENUM_AS_STRING( VRInitError_Init_UserConfigDirectoryInvalid );
		RETURN_ENUM_AS_STRING( VRInitError_Init_HmdNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_NotInitialized );
		RETURN_ENUM_AS_STRING( VRInitError_Init_PathRegistryNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_NoConfigPath );
		RETURN_ENUM_AS_STRING( VRInitError_Init_NoLogPath );
		RETURN_ENUM_AS_STRING( VRInitError_Init_PathRegistryNotWritable );
		RETURN_ENUM_AS_STRING( VRInitError_Init_AppInfoInitFailed );
		RETURN_ENUM_AS_STRING( VRInitError_Init_Retry );
		RETURN_ENUM_AS_STRING( VRInitError_Init_InitCanceledByUser );
		RETURN_ENUM_AS_STRING( VRInitError_Init_AnotherAppLaunching );
		RETURN_ENUM_AS_STRING( VRInitError_Init_SettingsInitFailed );
		RETURN_ENUM_AS_STRING( VRInitError_Init_ShuttingDown );
		RETURN_ENUM_AS_STRING( VRInitError_Init_TooManyObjects );
		RETURN_ENUM_AS_STRING( VRInitError_Init_NoServerForBackgroundApp );
		RETURN_ENUM_AS_STRING( VRInitError_Init_NotSupportedWithCompositor );
		RETURN_ENUM_AS_STRING( VRInitError_Init_NotAvailableToUtilityApps );
		RETURN_ENUM_AS_STRING( VRInitError_Init_Internal );
		RETURN_ENUM_AS_STRING( VRInitError_Init_VRMonitorNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_VRMonitorStartupFailed );
		RETURN_ENUM_AS_STRING( VRInitError_Init_LowPowerWatchdogNotSupported );
		RETURN_ENUM_AS_STRING( VRInitError_Init_InvalidApplicationType );
		RETURN_ENUM_AS_STRING( VRInitError_Init_NotAvailableToWatchdogApps );
		RETURN_ENUM_AS_STRING( VRInitError_Init_WatchdogDisabledInSettings );
		RETURN_ENUM_AS_STRING( VRInitError_Init_VRDashboardNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_VRDashboardStartupFailed );
		RETURN_ENUM_AS_STRING( VRInitError_Init_VRHomeNotFound );
		RETURN_ENUM_AS_STRING( VRInitError_Init_VRHomeStartupFailed );

		RETURN_ENUM_AS_STRING( VRInitError_Init_HmdDriverIdIsNone );
		RETURN_ENUM_AS_STRING( VRInitError_Init_HmdNotFoundPresenceFailed );

		RETURN_ENUM_AS_STRING( VRInitError_Driver_Failed );
		RETURN_ENUM_AS_STRING( VRInitError_Driver_Unknown );
		RETURN_ENUM_AS_STRING( VRInitError_Driver_HmdUnknown);
		RETURN_ENUM_AS_STRING( VRInitError_Driver_NotLoaded);
		RETURN_ENUM_AS_STRING( VRInitError_Driver_RuntimeOutOfDate);
		RETURN_ENUM_AS_STRING( VRInitError_Driver_HmdInUse);
		RETURN_ENUM_AS_STRING( VRInitError_Driver_NotCalibrated);
		RETURN_ENUM_AS_STRING( VRInitError_Driver_CalibrationInvalid);
		RETURN_ENUM_AS_STRING( VRInitError_Driver_HmdDisplayNotFound);
		RETURN_ENUM_AS_STRING( VRInitError_Driver_TrackedDeviceInterfaceUnknown );
		// RETURN_ENUM_AS_STRING( VRInitError_Driver_HmdDisplayNotFoundAfterFix );
		RETURN_ENUM_AS_STRING( VRInitError_Driver_HmdDriverIdOutOfBounds );
		RETURN_ENUM_AS_STRING( VRInitError_Driver_HmdDisplayMirrored );

		RETURN_ENUM_AS_STRING( VRInitError_IPC_ServerInitFailed);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_ConnectFailed);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_SharedStateInitFailed);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_CompositorInitFailed);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_MutexInitFailed);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_Failed);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_CompositorConnectFailed);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_CompositorInvalidConnectResponse);
		RETURN_ENUM_AS_STRING( VRInitError_IPC_ConnectFailedAfterMultipleAttempts);

		RETURN_ENUM_AS_STRING( VRInitError_Compositor_Failed );
		RETURN_ENUM_AS_STRING( VRInitError_Compositor_D3D11HardwareRequired );
		RETURN_ENUM_AS_STRING( VRInitError_Compositor_FirmwareRequiresUpdate );
		RETURN_ENUM_AS_STRING( VRInitError_Compositor_OverlayInitFailed );
		RETURN_ENUM_AS_STRING( VRInitError_Compositor_ScreenshotsInitFailed );
		RETURN_ENUM_AS_STRING( VRInitError_Compositor_UnableToCreateDevice );

		// Oculus
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_UnableToConnectToOculusRuntime);

		// Lighthouse
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_CantOpenDevice);
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_UnableToRequestConfigStart);
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_NoStoredConfig);
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_ConfigFailedSanityCheck );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_ConfigTooBig );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_ConfigTooSmall );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_UnableToInitZLib );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_CantReadFirmwareVersion );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_UnableToSendUserDataStart );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataStart );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataNext );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_UserDataAddressRange );
		RETURN_ENUM_AS_STRING( VRInitError_VendorSpecific_HmdFound_UserDataError );

		RETURN_ENUM_AS_STRING( VRInitError_Steam_SteamInstallationNotFound );

	default:
		{
			static char buf[128];
			sprintf( buf, "Unknown error (%d)", eError );
			return buf;
		}
	}
}