//
// Program Name: Chatterbot5
// Description: The purpose of this program is to improve the previous implementation of
// this program (chatterbot4). The code for this one is encapsulated into a class.
// Most of the functionalities of the program are implemented by using functions.
//
// Author: Gonzales Cenelia
//
using System;
using System.Collections.Generic;
class Chatterbot5 {
private static string sInput = "";
private static string sResponse = "";
private static string sPrevInput = "";
private static string sPrevResponse = "";
private static string sEvent = "";
private static string sPrevEvent = "";
private static string sInputBackup = "";
static bool bQuitProgram = false;
const int maxInput = 1;
const int maxResp = 4;
const string delim = "?!.;";
static string[,] KnowledgeBase = {
{"WHAT IS YOUR NAME",
"MY NAME IS CHATTERBOT5.",
"YOU CAN CALL ME CHATTERBOT5.",
"WHY DO YOU WANT TO KNOW MY NAME?"
},
{"HELLO",
"HI THERE!"
},
{"HI",
"HI THERE!",
"HOW ARE YOU?",
"HI!"
},
{"HOW ARE YOU",
"I'M DOING FINE!",
"I'M DOING WELL AND YOU?",
"WHY DO YOU WANT TO KNOW HOW AM I DOING?"
},
{"WHO ARE YOU",
"I'M AN A.I PROGRAM.",
"I THINK THAT YOU KNOW WHO I'M.",
"WHY ARE YOU ASKING?"
},
{"ARE YOU INTELLIGENT",
"YES,OFCORSE.",
"WHAT DO YOU THINK?",
"ACTUALY,I'M VERY INTELLIENT!"
},
{"ARE YOU REAL",
"DOES THAT QUESTION REALLY MATERS TO YOU?",
"WHAT DO YOU MEAN BY THAT?",
"I'M AS REAL AS I CAN BE."
},
{"REPETITION T1**",
"YOU ARE REPEATING YOURSELF.",
"USER, PLEASE STOP REPEATING YOURSELF.",
"THIS CONVERSATION IS GETING BORING.",
"DONT YOU HAVE ANY THING ELSE TO SAY?"
},
{"REPETITION T2**",
"YOU'VE ALREADY SAID THAT.",
"I THINK THAT YOU'VE JUST SAID THE SAME THING BEFORE.",
"DIDN'T YOU ALREADY SAID THAT?",
"I'M GETING THE IMPRESSION THAT YOU ARE REPEATING THE SAME THING."
},
{"BOT DONT UNDERSTAND**",
"I HAVE NO IDEA OF WHAT YOU ARE TALKING ABOUT.",
"I'M NOT SURE IF I UNDERSTAND WHAT YOU ARE TALKING ABOUT.",
"CONTINUE, I'M LISTENING...",
"VERY GOOD CONVERSATION!"
},
{"NULL INPUT**",
"HUH?",
"WHAT THAT SUPPOSE TO MEAN?",
"AT LIST TAKE SOME TIME TO ENTER SOMETHING MEANINGFUL.",
"HOW CAN I SPEAK TO YOU IF YOU DONT WANT TO SAY ANYTHING?"
},
{"NULL INPUT REPETITION**",
"WHAT ARE YOU DOING??",
"PLEASE STOP DOING THIS IT IS VERY ANNOYING.",
"WHAT'S WRONG WITH YOU?",
"THIS IS NOT FUNNY."
},
{"BYE",
"IT WAS NICE TALKING TO YOU USER, SEE YOU NEXT TIME!",
"BYE USER!",
"OK, BYE!"
},
{"ARE YOU A HUMAN BEING",
"WHY DO YOU WANT TO KNOW?",
"IS THIS REALLY RELEVENT?"
},
{"YOU ARE VERY INTELLIGENT",
"THANKS FOR THE COMPLIMENT USER, I THINK THAT YOU ARE INTELLIGENT TO!",
"YOU ARE A VERY GENTLE PERSON!",
"SO, YOU THINK THAT I'M INTELLIGENT."
},
{"ARE YOU SURE",
"OFCORSE I'M.",
"IS THAT MEAN THAT YOU ARE NOT CONVINCED?",
"YES,OFCORSE!"
},
{"WHO IS",
"I DONT THINK I KNOW WHO.",
"DID YOU ASK SOMEONE ELSE ABOUT IT?",
"WOULD THAT CHANGE ANYTHING AT ALL IF I TOLD YOU WHO."
},
{"WHAT",
"I DONT KNOW.",
"I DONT THINK I KNOW.",
"I HAVE NO IDEA."
},
{"WHERE",
"WHERE? WELL,I REALLY DONT KNOW.",
"DOES THAT MATERS TO YOU TO KNOW WHERE?",
"PERHAPS,SOMEONE ELSE KNOWS WHERE."
},
{"WHY",
"I DONT THINK I KNOW WHY.",
"WHY ARE YOU ASKING ME THIS?",
"SHOULD I KNOW WHY.",
"THIS WOULD BE DIFFICULT TO ANSWER."
},
{"DO YOU",
"I DONT THINK I DO",
"I WOULDN'T THINK SO.",
"WHY DO YOU WANT TO KNOW?"
},
{"CAN YOU",
"I THINK NOT.",
"I'M NOT SURE.",
"I DONT THINK THAT I CAN DO THAT."
},
{"YOU ARE",
"WHAT MAKES YOU THINK THAT?",
"IS THIS A COMPLIMENT?",
"ARE YOU MAKING FUN OF ME?"
},
{"DID YOU",
"I DONT THINK SO.",
"ANYWAY, I WOULDN'T REMEMBER EVEN IF I DID."
},
{"COULD YOU",
"ARE YOU ASKING ME FOR A FEVER?",
"WELL,LET ME THINK ABOUT IT.",
"SORRY,I DONT THINK THAT I COULD DO THIS."
},
{"WOULD YOU",
"IS THAT AN INVITATION?",
"I WOULD HAVE TO THINK ABOUT IT FIRST."
},
{"HOW",
"I DONT THINK I KNOW HOW."
},
{"WHICH ONE",
"I DONT THINK THAT I KNOW WICH ONE IT IS.",
"THIS LOOKS LIKE A TRICKY QUESTION TO ME."
},
{"PERHAPS",
"WHY ARE YOU SO UNCERTAIN?",
"YOU SEEMS UNCERTAIN."
},
{"YES",
"SO,IT IS YES.",
"OH, REALLY?",
"OK THEN."
},
{"I DONT KNOW",
"ARE YOU SURE?",
"ARE YOU REALLY TELLING ME THE TRUTH?",
"SO,YOU DONT KNOW?"
},
{"NOT REALLY",
"OK I SEE.",
"YOU DONT SEEM PRETTY CERTAIN.",
"SO,THAT WOULD BE A \"NO\"."
},
{"IS THAT TRUE",
"I CAN'T BE QUIET SURE ABOUT THIS.",
"CAN'T TELL YOU FOR SURE.",
"DOES THAT REALLY MATERS TO YOU?"
},
{"YOU",
"SO,YOU ARE TALKING ABOUT ME.",
"WHY DONT WE TALK ABOUT YOU INSTEAD?",
"ARE YOU TRYING TO MAKING FUN OF ME?"
},
{"THANKS",
"YOU ARE WELCOME!",
"NO PROBLEM!"
},
{"WHAT ELSE",
"WELL,I DONT KNOW.",
"WHAT ELSE SHOULD THERE BE?",
"THIS LOOKS LIKE A COMPLICATED QUESTION TO ME."
},
{"SORRY",
"YOU DONT NEED TO BE SORRY USER.",
"IT'S OK.",
"NO NEED TO APOLOGIZE."
},
{"NOT EXACTLY",
"WHAT DO YOU MEAN NOT EXACTLY?",
"ARE YOU SURE?"
},
{"EXACTLY",
"SO,I WAS RIGHT.",
"OK THEN."
},
{"ALRIGHT",
"ALRIGHT THEN.",
"OK THEN."
},
{"I DONT",
"WHY NOT?",
"AND WHAT WOULD BE THE REASON FOR THIS?"
},
{"REALLY",
"WELL,I CAN'T TELL YOU FOR SURE.",
"ARE YOU TRYING TO CONFUSE ME?",
"PLEASE DONT ASK ME SUCH QUESTION,IT GIVES ME HEADEACHS."
}
};
private static List respList = new List(maxResp);
public static void get_input()
{
Console.Write(">");
// saves the previous input
save_prev_input();
sInput = Console.ReadLine();
preprocess_input();
}
public static void respond()
{
save_prev_response();
set_event("BOT UNDERSTAND**");
if(null_input())
{
handle_event("NULL INPUT**");
}
else if(null_input_repetition())
{
handle_event("NULL INPUT REPETITION**");
}
else if(user_repeat())
{
handle_user_repetition();
}
else
{
find_match();
}
if(user_want_to_quit())
{
bQuitProgram = true;
}
if(!bot_understand())
{
handle_event("BOT DONT UNDERSTAND**");
}
if(respList.Count > 0)
{
select_response();
if(bot_repeat())
{
handle_repetition();
}
print_response();
}
}
public static bool quit() {
return bQuitProgram;
}
public static void find_match()
{
respList.Clear();
for(int i = 0; i < KnowledgeBase.GetUpperBound(0); ++i)
{
// there has been some improvements made in
// here in order to make the matching process
// a littlebit more flexible
if(sInput.IndexOf(KnowledgeBase[i, 0]) != -1)
{
int respSize = KnowledgeBase[i].Length - maxInput;
for(int j = maxInput; j <= respSize; ++j)
{
respList.Add(KnowledgeBase[i, j]);
}
break;
}
}
}
public static void handle_repetition()
{
if(respList.Count > 0)
{
respList.RemoveAt(0);
}
if(no_response())
{
save_input();
set_input(sEvent);
find_match();
restore_input();
}
select_response();
}
public static void handle_user_repetition()
{
if(same_input())
{
handle_event("REPETITION T1**");
}
else if(similar_input())
{
handle_event("REPETITION T2**");
}
}
public static void handle_event(string str)
{
save_prev_event();
set_event(str);
save_input();
set_input(str);
if(!same_event())
{
find_match();
}
restore_input();
}
public static void select_response() {
respList.s
sResponse = respList[0];
}
public static void save_prev_input() {
sPrevInput = sInput;
}
public static void save_prev_response() {
sPrevResponse = sResponse;
}
public static void save_prev_event() {
sPrevEvent = sEvent;
}
public static void set_event(string str) {
sEvent = str;
}
public static void save_input() {
sInputBackup = sInput;
}
public static void set_input(string str) {
sInput = str;
}
public static void restore_input() {
sInput = sInputBackup;
}
public static void print_response() {
if(sResponse.Length > 0) {
Console.WriteLine(sResponse);
}
}
public static void preprocess_input() {
cleanString(ref sInput);
sInput = sInput.toUpperCase();
}
public static bool bot_repeat() {
return (sPrevResponse.Length > 0 &&
sResponse == sPrevResponse);
}
public static bool user_repeat() {
return (sPrevInput.Length > 0 &&
((sInput == sPrevInput) ||
(sInput.IndexOf(sPrevInput) != -1) ||
(sPrevInput.IndexOf(sInput) != -1)));
}
public static bool bot_understand() {
return respList.Count > 0;
}
public static bool null_input() {
return (sInput.Length == 0 && sPrevInput.Length != 0);
}
public static bool null_input_repetition() {
return (sInput.Length == 0 && sPrevInput.Length == 0);
}
public static bool user_want_to_quit() {
return sInput.IndexOf("BYE") != -1;
}
public static bool same_event() {
return (sEvent.Length > 0 && sEvent == sPrevEvent);
}
public static bool no_response() {
return respList.Count == 0;
}
public static bool same_input() {
return (sInput.Length > 0 && sInput == sPrevInput);
}
public static bool similar_input() {
return (sInput.Length > 0 &&
(sInput.IndexOf(sPrevInput) != -1 ||
sPrevInput.IndexOf(sInput) != -1));
}
static bool isPunc(char ch) {
return delim.IndexOf(ch) != -1;
}
// removes punctuation and redundant
// spaces from the user's input
static void cleanSring(ref string str) {
string temp = "";
char prevChar = '#';
for(int i = 0; i < str.Length; ++i) {
if((str[i] == ' ' && prevChar == ' ' ) || !isPunc(str[i])) {
temp = string.Concat(temp, str[i]);
prevChar = str[i];
}
else if(prevChar != ' ' && isPunc(str[i]))
{
temp = string.Concat(temp, ' ');
prevChar = ' ';
}
}
str = temp;
}
/**
* @param args
*/
public static void main() {
// TODO Auto-generated method stub
Console.WriteLine("Chatterbot v5.0 Copyright (C) 2005 - 2009 Gonzales Cenelia\n");
while (!quit())
{
get_input();
respond();
}
}
}
