using System;

using System.Runtime.InteropServices;

using Microsoft.Win32.SafeHandles;

using System.Text;

namespace Win32

{

    static partial class Function

    {

        [DllImport("hid.dll", CharSet = CharSet.Unicode)]

        public static extern HidStatus HidP_GetUsagesEx(HIDP_REPORT_TYPE ReportType, ushort LinkCollection, [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] USAGE_AND_PAGE[] ButtonList, ref uint UsageLength, IntPtr PreparsedData, [MarshalAs(UnmanagedType.LPArray)] byte[] Report, uint ReportLength);

        [DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]

        public static extern Boolean HidD_GetManufacturerString(SafeFileHandle HidDeviceObject, StringBuilder Buffer, Int32 BufferLength);

        [DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]

        public static extern Boolean HidD_GetProductString(SafeFileHandle HidDeviceObject, StringBuilder Buffer, Int32 BufferLength);

        [DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]

        public static extern Boolean HidD_GetAttributes(SafeFileHandle HidDeviceObject, ref HIDD_ATTRIBUTES Attributes);

        /// Return Type: NTSTATUS->LONG->int

        ///PreparsedData: PHIDP_PREPARSED_DATA->_HIDP_PREPARSED_DATA*

        ///Capabilities: PHIDP_CAPS->_HIDP_CAPS*

        [DllImportAttribute("hid.dll", EntryPoint = "HidP_GetCaps", CallingConvention = CallingConvention.StdCall)]

        public static extern HidStatus HidP_GetCaps(System.IntPtr PreparsedData, ref HIDP_CAPS Capabilities);

        /// Return Type: NTSTATUS->LONG->int

        ///ReportType: HIDP_REPORT_TYPE->_HIDP_REPORT_TYPE

        ///ButtonCaps: PHIDP_BUTTON_CAPS->_HIDP_BUTTON_CAPS*

        ///ButtonCapsLength: PUSHORT->USHORT*

        ///PreparsedData: PHIDP_PREPARSED_DATA->_HIDP_PREPARSED_DATA*

        [System.Runtime.InteropServices.DllImportAttribute("hid.dll", EntryPoint = "HidP_GetButtonCaps", CallingConvention = System.Runtime.InteropServices.CallingConvention.StdCall)]

        public static extern HidStatus HidP_GetButtonCaps(HIDP_REPORT_TYPE ReportType, [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] HIDP_BUTTON_CAPS[] ButtonCaps, ref ushort ButtonCapsLength, System.IntPtr PreparsedData);

        /// Return Type: NTSTATUS->LONG->int

        ///ReportType: HIDP_REPORT_TYPE->_HIDP_REPORT_TYPE

        ///ValueCaps: PHIDP_VALUE_CAPS->_HIDP_VALUE_CAPS*

        ///ValueCapsLength: PUSHORT->USHORT*

        ///PreparsedData: PHIDP_PREPARSED_DATA->_HIDP_PREPARSED_DATA*

        [System.Runtime.InteropServices.DllImportAttribute("hid.dll", EntryPoint = "HidP_GetValueCaps", CallingConvention = System.Runtime.InteropServices.CallingConvention.StdCall)]

        public static extern HidStatus HidP_GetValueCaps(HIDP_REPORT_TYPE ReportType, ref HIDP_VALUE_CAPS[] ValueCaps, ref ushort ValueCapsLength, System.IntPtr PreparsedData);

    }

    static partial class Macro

    {

    }

    static partial class Const

    {

    }

    public enum HIDP_REPORT_TYPE : ushort

    {

        HidP_Input = 0,

        HidP_Output,

        HidP_Feature

    }

    public enum HidStatus : uint

    {

        HIDP_STATUS_SUCCESS = 0x110000,

        HIDP_STATUS_NULL = 0x80110001,

        HIDP_STATUS_INVALID_PREPARSED_DATA = 0xc0110001,

        HIDP_STATUS_INVALID_REPORT_TYPE = 0xc0110002,

        HIDP_STATUS_INVALID_REPORT_LENGTH = 0xc0110003,

        HIDP_STATUS_USAGE_NOT_FOUND = 0xc0110004,

        HIDP_STATUS_VALUE_OUT_OF_RANGE = 0xc0110005,

        HIDP_STATUS_BAD_LOG_PHY_VALUES = 0xc0110006,

        HIDP_STATUS_BUFFER_TOO_SMALL = 0xc0110007,

        HIDP_STATUS_INTERNAL_ERROR = 0xc0110008,

        HIDP_STATUS_I8042_TRANS_UNKNOWN = 0xc0110009,

        HIDP_STATUS_INCOMPATIBLE_REPORT_ID = 0xc011000a,

        HIDP_STATUS_NOT_VALUE_ARRAY = 0xc011000b,

        HIDP_STATUS_IS_VALUE_ARRAY = 0xc011000c,

        HIDP_STATUS_DATA_INDEX_NOT_FOUND = 0xc011000d,

        HIDP_STATUS_DATA_INDEX_OUT_OF_RANGE = 0xc011000e,

        HIDP_STATUS_BUTTON_NOT_PRESSED = 0xc011000f,

        HIDP_STATUS_REPORT_DOES_NOT_EXIST = 0xc0110010,

        HIDP_STATUS_NOT_IMPLEMENTED = 0xc0110020,

        HIDP_STATUS_I8242_TRANS_UNKNOWN = 0xc0110009

    }

    [StructLayout(LayoutKind.Sequential)]

    public struct USAGE_AND_PAGE

    {

        public ushort Usage;

        public ushort UsagePage;

    };

    [StructLayout(LayoutKind.Sequential)]

    public struct HIDD_ATTRIBUTES

    {

        public uint Size;

        public ushort VendorID;

        public ushort ProductID;

        public ushort VersionNumber;

    }

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]

    public struct HIDP_CAPS

    {

        /// USAGE->USHORT->unsigned short

        public ushort Usage;

        /// USAGE->USHORT->unsigned short

        public ushort UsagePage;

        /// USHORT->unsigned short

        public ushort InputReportByteLength;

        /// USHORT->unsigned short

        public ushort OutputReportByteLength;

        /// USHORT->unsigned short

        public ushort FeatureReportByteLength;

        /// USHORT[17]

        [System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 17, ArraySubType = System.Runtime.InteropServices.UnmanagedType.U2)]

        public ushort[] Reserved;

        /// USHORT->unsigned short

        public ushort NumberLinkCollectionNodes;

        /// USHORT->unsigned short

        public ushort NumberInputButtonCaps;

        /// USHORT->unsigned short

        public ushort NumberInputValueCaps;

        /// USHORT->unsigned short

        public ushort NumberInputDataIndices;

        /// USHORT->unsigned short

        public ushort NumberOutputButtonCaps;

        /// USHORT->unsigned short

        public ushort NumberOutputValueCaps;

        /// USHORT->unsigned short

        public ushort NumberOutputDataIndices;

        /// USHORT->unsigned short

        public ushort NumberFeatureButtonCaps;

        /// USHORT->unsigned short

        public ushort NumberFeatureValueCaps;

        /// USHORT->unsigned short

        public ushort NumberFeatureDataIndices;

    }

    /// <summary>

    /// Type created in place of an anonymous struct

    /// </summary>

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]

    public struct HIDP_BUTTON_CAPS_RANGE

    {

        /// USAGE->USHORT->unsigned short

        public ushort UsageMin;

        /// USAGE->USHORT->unsigned short

        public ushort UsageMax;

        /// USHORT->unsigned short

        public ushort StringMin;

        /// USHORT->unsigned short

        public ushort StringMax;

        /// USHORT->unsigned short

        public ushort DesignatorMin;

        /// USHORT->unsigned short

        public ushort DesignatorMax;

        /// USHORT->unsigned short

        public ushort DataIndexMin;

        /// USHORT->unsigned short

        public ushort DataIndexMax;

    }

    /// <summary>

    /// Type created in place of an anonymous struct

    /// </summary>

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]

    public struct HIDP_BUTTON_CAPS_NOT_RANGE

    {

        /// USAGE->USHORT->unsigned short

        public ushort Usage;

        /// USAGE->USHORT->unsigned short

        public ushort Reserved1;

        /// USHORT->unsigned short

        public ushort StringIndex;

        /// USHORT->unsigned short

        public ushort Reserved2;

        /// USHORT->unsigned short

        public ushort DesignatorIndex;

        /// USHORT->unsigned short

        public ushort Reserved3;

        /// USHORT->unsigned short

        public ushort DataIndex;

        /// USHORT->unsigned short

        public ushort Reserved4;

    }

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Explicit)]

    public struct HIDP_BUTTON_CAPS_UNION

    {

        /// 

        [System.Runtime.InteropServices.FieldOffsetAttribute(0)]

        public HIDP_BUTTON_CAPS_RANGE Range;

        /// 

        [System.Runtime.InteropServices.FieldOffsetAttribute(0)]

        public HIDP_BUTTON_CAPS_NOT_RANGE NotRange;

    }

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]

    public struct HIDP_BUTTON_CAPS

    {

        /// USAGE->USHORT->unsigned short

        public ushort UsagePage;

        /// UCHAR->unsigned char

        public byte ReportID;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsAlias;

        /// USHORT->unsigned short

        public ushort BitField;

        /// USHORT->unsigned short

        public ushort LinkCollection;

        /// USAGE->USHORT->unsigned short

        public ushort LinkUsage;

        /// USAGE->USHORT->unsigned short

        public ushort LinkUsagePage;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsRange;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsStringRange;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsDesignatorRange;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsAbsolute;

        /// ULONG[10]

        [System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = System.Runtime.InteropServices.UnmanagedType.U4)]

        public uint[] Reserved;

        /// TODO: get the proper field offset to make it nicer and get rid of union type

        public HIDP_BUTTON_CAPS_UNION Union;

    }

    /// <summary>

    /// Type created in place of an anonymous struct

    /// </summary>

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]

    public struct HIDP_VALUE_CAPS_RANGE

    {

        /// USAGE->USHORT->unsigned short

        public ushort UsageMin;

        /// USAGE->USHORT->unsigned short

        public ushort UsageMax;

        /// USHORT->unsigned short

        public ushort StringMin;

        /// USHORT->unsigned short

        public ushort StringMax;

        /// USHORT->unsigned short

        public ushort DesignatorMin;

        /// USHORT->unsigned short

        public ushort DesignatorMax;

        /// USHORT->unsigned short

        public ushort DataIndexMin;

        /// USHORT->unsigned short

        public ushort DataIndexMax;

    }

    /// <summary>

    /// Type created in place of an anonymous struct

    /// </summary>

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]

    public struct HIDP_VALUE_CAPS_NOT_RANGE

    {

        /// USAGE->USHORT->unsigned short

        public ushort Usage;

        /// USAGE->USHORT->unsigned short

        public ushort Reserved1;

        /// USHORT->unsigned short

        public ushort StringIndex;

        /// USHORT->unsigned short

        public ushort Reserved2;

        /// USHORT->unsigned short

        public ushort DesignatorIndex;

        /// USHORT->unsigned short

        public ushort Reserved3;

        /// USHORT->unsigned short

        public ushort DataIndex;

        /// USHORT->unsigned short

        public ushort Reserved4;

    }

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Explicit)]

    public struct HIDP_VALUE_CAPS_UNION

    {

        /// 

        [System.Runtime.InteropServices.FieldOffsetAttribute(0)]

        public HIDP_VALUE_CAPS_RANGE Range;

        /// 

        [System.Runtime.InteropServices.FieldOffsetAttribute(0)]

        public HIDP_VALUE_CAPS_NOT_RANGE NotRange;

    }

    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]

    public struct HIDP_VALUE_CAPS

    {

        /// USAGE->USHORT->unsigned short

        public ushort UsagePage;

        /// UCHAR->unsigned char

        public byte ReportID;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsAlias;

        /// USHORT->unsigned short

        public ushort BitField;

        /// USHORT->unsigned short

        public ushort LinkCollection;

        /// USAGE->USHORT->unsigned short

        public ushort LinkUsage;

        /// USAGE->USHORT->unsigned short

        public ushort LinkUsagePage;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsRange;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsStringRange;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsDesignatorRange;

        /// BOOLEAN->BYTE->unsigned char

        public byte IsAbsolute;

        /// BOOLEAN->BYTE->unsigned char

        public byte HasNull;

        /// UCHAR->unsigned char

        public byte Reserved;

        /// USHORT->unsigned short

        public ushort BitSize;

        /// USHORT->unsigned short

        public ushort ReportCount;

        /// USHORT[5]

        [System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = System.Runtime.InteropServices.UnmanagedType.U2)]

        public ushort[] Reserved2;

        /// ULONG->unsigned int

        public uint UnitsExp;

        /// ULONG->unsigned int

        public uint Units;

        /// LONG->int

        public int LogicalMin;

        /// LONG->int

        public int LogicalMax;

        /// LONG->int

        public int PhysicalMin;

        /// LONG->int

        public int PhysicalMax;

        /// 

        public HIDP_VALUE_CAPS_UNION Union;

    }

}