From fc94e603c5a458f201d1fea47ca485998ac27da7 Mon Sep 17 00:00:00 2001
From: Gerhard Hoffmann <g.hoffmann@atb-online.eu>
Date: Fri, 14 Jun 2024 12:50:12 +0200
Subject: [PATCH] Added Logout

---
 main/MessageHelper.cpp | 51 +++++++++++++++++++++++++++++++++++++++---
 main/MessageHelper.h   | 12 ++++++++--
 2 files changed, 58 insertions(+), 5 deletions(-)

diff --git a/main/MessageHelper.cpp b/main/MessageHelper.cpp
index 9232608..8d34677 100644
--- a/main/MessageHelper.cpp
+++ b/main/MessageHelper.cpp
@@ -175,12 +175,49 @@ void MessageHelper::createLoginMessage() {
     }
 }
 
-QByteArrayList const &MessageHelper::createLoginMessageChunksToSend(char etx) {
+void MessageHelper::createLogoutMessage() {
+    m_logoutMessage.clear();
+
+    m_logoutMessage.push_back((char)0x85); // 5 in 0x85 is the size
+    m_logoutMessage = m_loginMessage.append(QByteArray("Logout"));
+
+    m_loginMessage.push_back((char)0x04);
+    m_loginMessage = m_loginMessage.append(QByteArray("Time"));
+    m_loginMessage.push_back((char)0x00);
+    m_loginMessage.push_back((char)0x13);
+
+    QDateTime current = QDateTime::currentDateTime();
+    // TODO: wieder entfernen
+    current.setTime(QTime(12, 0, 0));
+    current.setDate(QDate(2024, 6, 12));
+
+    QByteArray time(current.toString(Qt::ISODate).toStdString().c_str());
+    time[10] = ' ';
+    m_logoutMessage = m_logoutMessage.append(time);
+
+    m_loginMessage.push_back((char)0x00);
+
+    if (DBG_LEVEL >= DBG_INFORMATION) {
+        qCritical() << DBG_HEADER << "loginMessage" << m_logoutMessage.toHex(':');
+    }
+}
+
+QByteArrayList const &MessageHelper::createMessageChunksToSend(AsyncPosCommand cmd, char etx) {
     QByteArray encryptedPacketID(QByteArray("\x01\x02\x03\x04\x05\x06\x07\x08"));
 
     m_messageChunkList.clear();
-    createLoginMessage();
-    createRawPacket(PacketType::POS_ECR, encryptedPacketID, m_loginMessage);
+
+    switch (cmd) {
+    case (int)MessageHelper::AsyncPosCommand::LOGIN:
+        createLoginMessage();
+        createRawPacket(PacketType::POS_ECR, encryptedPacketID, m_loginMessage);
+        break;
+    case (int)MessageHelper::AsyncPosCommand::LOGOUT:
+        createLogoutMessage();
+        createRawPacket(PacketType::POS_ECR, encryptedPacketID, m_logoutMessage);
+        break;
+    default:;
+    }
 
     if (DBG_LEVEL >= DBG_DEBUG) {
         qCritical() << DBG_HEADER << m_rawPacket.toHex(':');
@@ -296,6 +333,14 @@ QByteArrayList const &MessageHelper::createLoginMessageChunksToSend(char etx) {
     return m_messageChunkList;
 }
 
+QByteArrayList MessageHelper::createLoginMessageChunksToSend(char etx) {
+    return createMessageChunksToSend(AsyncPosCommand::LOGIN, etx);
+}
+
+QByteArrayList MessageHelper::createLogoutMessageChunksToSend(char etx) {
+    return createMessageChunksToSend(AsyncPosCommand::LOGOUT, etx);
+}
+
 bool MessageHelper::insertEncryptedPacketID(QByteArray const &encryptedPacketID) {
     if (encryptedPacketID.size() == PACKET_ID_SIZE) {
         // m_rawPacket has already full length
diff --git a/main/MessageHelper.h b/main/MessageHelper.h
index dab6fef..3fc61b9 100644
--- a/main/MessageHelper.h
+++ b/main/MessageHelper.h
@@ -17,6 +17,11 @@ public:
         // POS_HOST_FORMAT_1_UNENCRYPTED = 0x21
     };
 
+    enum AsyncPosCommand : std::uint8_t {
+        LOGIN  = 0,
+        LOGOUT = 1
+    };
+
     explicit MessageHelper(QString const &posID = "T-TPS-SELF2002in",
                            QString const &apak = "8AC304380E0E476BA2558B75DB9E2516");
     explicit MessageHelper(QByteArray const &posID, QString const &apak);
@@ -29,8 +34,9 @@ public:
 
     bool insertEncryptedPacketID(QByteArray const &encryptedPacketID);
 
-    QByteArrayList const &getMessageChunksToSend();
-    QByteArrayList const &createLoginMessageChunksToSend(char ext);
+    QByteArrayList createLoginMessageChunksToSend(char etx);
+    QByteArrayList createLogoutMessageChunksToSend(char etx);
+    QByteArrayList const &createMessageChunksToSend(AsyncPosCommand cmd, char etx);
 
 // private:
 
@@ -40,11 +46,13 @@ public:
     QByteArray m_messageHeaderPrefix;
     QByteArray m_rawPacket; // without leading STX and trailing [ETX(1/2), LRC]
     QByteArray m_loginMessage;
+    QByteArray m_logoutMessage;
     QByteArrayList m_messageChunkList;
 
     bool setMessageHeaderPacketType(PacketType packetType);
     bool createMessageHeaderPrefix(PacketType packetType, QByteArray const &encryptedPacketID);
     void createLoginMessage();
+    void createLogoutMessage();
 
     static QByteArray const &mask(QByteArray &messageChunk);
     static QByteArray const &unMask(QByteArray &messageChunk);