Initial import.

starter/src/chatbot.h

@@ -0,0 +1,42 @@
+#ifndef CHATBOT_H_
+#define CHATBOT_H_
+
+#include <string>
+
+class GraphNode; // forward declaration
+class ChatLogic; // forward declaration
+
+class ChatBot
+{
+private:
+    // data handles (not owned)
+    GraphNode *_currentNode;
+    GraphNode *_rootNode;
+    ChatLogic *_chatLogic;
+
+    // proprietary functions
+    int ComputeLevenshteinDistance(std::string s1, std::string s2);
+
+public:
+    // constructors / destructors
+    ChatBot();                     // constructor
+    ChatBot(std::string filename); // constructor (filename is ignored in CLI)
+    ~ChatBot();
+
+    // TODO the following:
+        // TODO: add copy constructor
+        // TODO: add copy assignment operator
+        // TODO: add move constructor
+        // TODO: add move assignment operator
+    // END OF TODO
+
+    // getters / setters
+    void SetCurrentNode(GraphNode *node);
+    void SetRootNode(GraphNode *rootNode) { _rootNode = rootNode; }
+    void SetChatLogicHandle(ChatLogic *chatLogic) { _chatLogic = chatLogic; }
+
+    // communication
+    void ReceiveMessageFromUser(std::string message);
+};
+
+#endif /* CHATBOT_H_ */