#ifndef OPCUA_STACKINTERNALTYPES_H_
#define OPCUA_STACKINTERNALTYPES_H_

#include "opcua.h"

static const UA_Int32 SL_HEADER_LENGTH = 0;

/* Enums */
typedef enum {
	UA_SECURITYTOKEN_ISSUE = 0,
	UA_SECURITYTOKEN_RENEW = 1
} SecurityTokenRequestType;

typedef enum {
	UA_SECURITYMODE_INVALID = 0,
	UA_SECURITYMODE_SIGN = 1,
	UA_SECURITYMODE_SIGNANDENCRYPT = 2

} securityMode;

/* Structures */
typedef struct T_SL_Response {
	UA_UInt32 serverProtocolVersion;
	UA_ChannelSecurityToken securityToken;
	UA_String serverNonce;
}UA_SL_Response;
UA_TYPE_METHOD_PROTOTYPES(UA_SL_Response)

/* MessageType */
typedef UA_Int32 UA_MessageType;
UA_Int32 UA_MessageType_calcSize(UA_MessageType const * ptr);
UA_Int32 UA_MessageType_encodeBinary(UA_MessageType const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_MessageType_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_MessageType* dst);
UA_Int32 UA_MessageType_delete(UA_MessageType* p);
UA_Int32 UA_MessageType_deleteMembers(UA_MessageType* p);
void UA_MessageType_printf(char *label, UA_MessageType* p);

/*** UA_OPCUATcpMessageHeader ***/
/* TCP Header */
typedef struct T_UA_OPCUATcpMessageHeader {
	UA_MessageType messageType;
	UA_Byte isFinal;
	UA_UInt32 messageSize;
} UA_OPCUATcpMessageHeader;
UA_Int32 UA_OPCUATcpMessageHeader_calcSize(UA_OPCUATcpMessageHeader const * ptr);
UA_Int32 UA_OPCUATcpMessageHeader_encodeBinary(UA_OPCUATcpMessageHeader const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_OPCUATcpMessageHeader_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_OPCUATcpMessageHeader* dst);
UA_Int32 UA_OPCUATcpMessageHeader_delete(UA_OPCUATcpMessageHeader* p);
UA_Int32 UA_OPCUATcpMessageHeader_deleteMembers(UA_OPCUATcpMessageHeader* p);

/*** UA_OPCUATcpHelloMessage ***/
/* Hello Message */
typedef struct T_UA_OPCUATcpHelloMessage {
	UA_UInt32 protocolVersion;
	UA_UInt32 receiveBufferSize;
	UA_UInt32 sendBufferSize;
	UA_UInt32 maxMessageSize;
	UA_UInt32 maxChunkCount;
	UA_String endpointUrl;
} UA_OPCUATcpHelloMessage;
UA_Int32 UA_OPCUATcpHelloMessage_calcSize(UA_OPCUATcpHelloMessage const * ptr);
UA_Int32 UA_OPCUATcpHelloMessage_encodeBinary(UA_OPCUATcpHelloMessage const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_OPCUATcpHelloMessage_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_OPCUATcpHelloMessage* dst);
UA_Int32 UA_OPCUATcpHelloMessage_delete(UA_OPCUATcpHelloMessage* p);
UA_Int32 UA_OPCUATcpHelloMessage_deleteMembers(UA_OPCUATcpHelloMessage* p);

/*** UA_OPCUATcpAcknowledgeMessage ***/
/* Acknowledge Message */
typedef struct T_UA_OPCUATcpAcknowledgeMessage {
	UA_UInt32 protocolVersion;
	UA_UInt32 receiveBufferSize;
	UA_UInt32 sendBufferSize;
	UA_UInt32 maxMessageSize;
	UA_UInt32 maxChunkCount;
} UA_OPCUATcpAcknowledgeMessage;
UA_Int32 UA_OPCUATcpAcknowledgeMessage_calcSize(UA_OPCUATcpAcknowledgeMessage const * ptr);
UA_Int32 UA_OPCUATcpAcknowledgeMessage_encodeBinary(UA_OPCUATcpAcknowledgeMessage const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_OPCUATcpAcknowledgeMessage_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_OPCUATcpAcknowledgeMessage* dst);
UA_Int32 UA_OPCUATcpAcknowledgeMessage_delete(UA_OPCUATcpAcknowledgeMessage* p);
UA_Int32 UA_OPCUATcpAcknowledgeMessage_deleteMembers(UA_OPCUATcpAcknowledgeMessage* p);

/*** UA_SecureConversationMessageHeader ***/
/* Secure Layer Sequence Header */
typedef struct T_UA_SecureConversationMessageHeader {
	// UA_OPCUATcpMessageHeader* tcpMessageHeader;
	UA_UInt32 secureChannelId;
} UA_SecureConversationMessageHeader;
UA_Int32 UA_SecureConversationMessageHeader_calcSize(UA_SecureConversationMessageHeader const * ptr);
UA_Int32 UA_SecureConversationMessageHeader_encodeBinary(UA_SecureConversationMessageHeader const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_SecureConversationMessageHeader_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_SecureConversationMessageHeader* dst);
UA_Int32 UA_SecureConversationMessageHeader_delete(UA_SecureConversationMessageHeader* p);
UA_Int32 UA_SecureConversationMessageHeader_deleteMembers(UA_SecureConversationMessageHeader* p);

/*** UA_AsymmetricAlgorithmSecurityHeader ***/
/* Security Header> */
typedef struct T_UA_AsymmetricAlgorithmSecurityHeader {
	UA_ByteString securityPolicyUri;
	UA_ByteString senderCertificate;
	UA_ByteString receiverCertificateThumbprint;
} UA_AsymmetricAlgorithmSecurityHeader;
UA_TYPE_METHOD_PROTOTYPES (UA_AsymmetricAlgorithmSecurityHeader)
UA_Int32 UA_AsymmetricAlgorithmSecurityHeader_init(UA_AsymmetricAlgorithmSecurityHeader* p);

/*** UA_SymmetricAlgorithmSecurityHeader ***/
/* Secure Layer Symmetric Algorithm Header */
typedef UA_Int32 UA_SymmetricAlgorithmSecurityHeader;
UA_TYPE_METHOD_PROTOTYPES(UA_SymmetricAlgorithmSecurityHeader)

/*** UA_SequenceHeader ***/
/* Secure Layer Sequence Header */
typedef struct T_UA_SequenceHeader {
	UA_UInt32 sequenceNumber;
	UA_UInt32 requestId;
} UA_SequenceHeader;
UA_Int32 UA_SequenceHeader_calcSize(UA_SequenceHeader const * ptr);
UA_Int32 UA_SequenceHeader_encodeBinary(UA_SequenceHeader const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_SequenceHeader_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_SequenceHeader* dst);
UA_Int32 UA_SequenceHeader_delete(UA_SequenceHeader* p);
UA_Int32 UA_SequenceHeader_deleteMembers(UA_SequenceHeader* p);

/*** UA_SecureConversationMessageFooter ***/
/* Secure Conversation Message Footer */
typedef struct T_UA_SecureConversationMessageFooter {
	UA_Int32 paddingSize;
	UA_Byte** padding;
	UA_Byte signature;
} UA_SecureConversationMessageFooter;
UA_Int32 UA_SecureConversationMessageFooter_calcSize(UA_SecureConversationMessageFooter const * ptr);
UA_Int32 UA_SecureConversationMessageFooter_encodeBinary(UA_SecureConversationMessageFooter const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_SecureConversationMessageFooter_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_SecureConversationMessageFooter* dst);
UA_Int32 UA_SecureConversationMessageFooter_delete(UA_SecureConversationMessageFooter* p);
UA_Int32 UA_SecureConversationMessageFooter_deleteMembers(UA_SecureConversationMessageFooter* p);

/*** UA_SecureConversationMessageAbortBody ***/
/* Secure Conversation Message Abort Body */
typedef struct T_UA_SecureConversationMessageAbortBody {
	UA_UInt32 error;
	UA_String reason;
} UA_SecureConversationMessageAbortBody;
UA_Int32 UA_SecureConversationMessageAbortBody_calcSize(UA_SecureConversationMessageAbortBody const * ptr);
UA_Int32 UA_SecureConversationMessageAbortBody_encodeBinary(UA_SecureConversationMessageAbortBody const * src, UA_Int32* pos, UA_ByteString* dst);
UA_Int32 UA_SecureConversationMessageAbortBody_decodeBinary(UA_ByteString const * src, UA_Int32* pos, UA_SecureConversationMessageAbortBody* dst);
UA_Int32 UA_SecureConversationMessageAbortBody_delete(UA_SecureConversationMessageAbortBody* p);
UA_Int32 UA_SecureConversationMessageAbortBody_deleteMembers(UA_SecureConversationMessageAbortBody* p);

#endif