private static string SmallTalk(string text, IChatBotUser to)
{
string[] responses = null;
bool isToEveryone = to.Name.ToLower().StartsWith("everyone") || to.UserId == 0;
var smallTalk = cfg.SmallTalkSequences;
if (smallTalk != null)
{
foreach (var word in text.GetWordsInSentence())
{
if (smallTalk.TryGetValue(word.ToLower(), out responses))
{
break;
}
}
}
var response = ChooseRandomResponse(responses, to);
RememberThatISaid(response, to);
// Add one-time message if needed
if ((!isToEveryone) && ((response == null) || ((response != null) && (!response.StartsWith("{")))))
{
response = ExpandOneTimeMsg(response, to);
}
return(response);
}
private static void RememberThatISaid(string text, IChatBotUser to)
{
if (text == null)
{
return;
}
if (text.StartsWith("{") || text.StartsWith("/"))
{
// Don't remember these...
return;
}
HashSet <string> thingsISaid = null;
if (!ThingsISaidToUserId.TryGetValue(to.UserId, out thingsISaid))
{
thingsISaid = new HashSet <string>();
ThingsISaidToUserId[to.UserId] = thingsISaid;
}
thingsISaid.Add(text);
if (!ThingsISaidToName.TryGetValue(to.Name, out thingsISaid))
{
thingsISaid = new HashSet <string>();
ThingsISaidToName[to.Name] = thingsISaid;
}
thingsISaid.Add(text);
}
private static string OneTimeHi(string text, IChatBotUser to)
{
string response = null;
string key = "_onetimehi_";
if (cfg.OneTimeHiSequences == null)
{
return(null);
}
// Try to give a specific response
foreach (var word in text.GetWordsInSentence())
{
if (cfg.OneTimeHiSequences.TryGetValue(word.ToLower(), out response))
{
break;
}
}
if (DidISay(key, to))
{
// I already said it
return(null);
}
// No specific response? Pick something at random
if (response == null)
{
response = ChooseRandomResponse(cfg.OneTimeHiSequences.Values.ToArray <string>(), to);
}
RememberThatISaid(key, to);
return(response);
}
private static string ChooseRandomResponse(string[] responses, IChatBotUser to)
{
// TBD: Track things we've said so we don't say them more than once.
if (responses == null)
{
return(null);
}
// Don't repeat things I've already said
HashSet <string> thingsISaid = null;
HashSet <string> allThingsISaid = new HashSet <string>();
if ((to.UserId != 0) && ThingsISaidToUserId.TryGetValue(to.UserId, out thingsISaid))
{
allThingsISaid.UnionWith(thingsISaid);
}
if (ThingsISaidToName.TryGetValue(to.Name, out thingsISaid))
{
allThingsISaid.UnionWith(thingsISaid);
}
HashSet <string> responseHS = new HashSet <string>(responses);
responseHS.ExceptWith(allThingsISaid);
if (responseHS.Count == 0)
{
return(null);
}
// Choose something random from somehing I haven't already said
return(responseHS.RandomElement());
}
public string Converse(string input, IChatBotUser from)
{
string response = null;
lock (SettingsLock)
{
response = RandomTalk(input);
}
return(response);
}
/// <summary>
/// Takes input and returns conversational output from the chatbot.
/// It is assumed that the chatbot will prompt for input with "] ".
/// </summary>
public string Converse(string input, IChatBotUser from)
{
if (!bStarted)
{
return(null);
}
hostApp.Log(LogType.DBG, "chatBot > {0}", repr(input));
p.StandardInput.WriteLine(input);
// TBD: Implement some sort of timeout or something so we don't hang forever if things go wonky
string line = p.StandardOutput.ReadLine();
hostApp.Log(LogType.DBG, "chatBot < {0}", repr(line));
return(line);
}
private static string ExpandOneTimeMsg(string text, IChatBotUser to)
{
string key = "_onetimemsg_";
string msg = null;
if (!DidISay(key, to) && (cfg.OneTimeMsg != null))
{
if (text == null)
{
text = cfg.OneTimeMsg;
}
else
{
text += " " + cfg.OneTimeMsg;
}
RememberThatISaid(key, to);
}
return(text);
}
private static bool DidISay(string text, IChatBotUser to)
{
HashSet <string> thingsSaid;
if ((to.UserId != 0) && ThingsISaidToUserId.TryGetValue(to.UserId, out thingsSaid))
{
if (thingsSaid.Contains(text))
{
return(true);
}
}
if (ThingsISaidToName.TryGetValue(to.Name, out thingsSaid))
{
if (thingsSaid.Contains(text))
{
return(true);
}
}
return(false);
}
public string Converse(string text, IChatBotUser from)
{
string response = null;
lock (SettingsLock)
{
var justSayHi = text == "_onetimehi_";
if (justSayHi)
{
// Use time-appropriate greeting
text = "morning";
}
// Say hi if we haven't already
var hi = OneTimeHi(text, from);
if (justSayHi)
{
return(hi);
}
var smalltalk = SmallTalk(text, from);
if ((hi != null) && (smalltalk != null))
{
response = hi + " " + smalltalk;
}
else if (smalltalk != null)
{
response = smalltalk;
}
else
{
response = hi;
}
}
return(response);
}
