(*

File: Chatbot-Eliza.applescript

Abstract: The script demonstrates an AppleScript "Message Received" handler for iChat. It takes a message and passes it onto Eliza, a virtual psychotherapist.

Version: 1.0

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*)

using terms from application "iChat"

    on runChatbotEliza(theMessage)

        -- Set this to the path of your Chatbot::Eliza installation.

        -- Set to null if Chatbot-Eliza is installed through CPAN.

        set elizaScriptDir to POSIX path of (((path to desktop) as string) & "Chatbot-Eliza-1.04")

        -- Set this to the path to the iChat.pl that uses Chatbot::Eliza.

        set elizaScript to POSIX path of (((path to home folder) as string) & "Library:Scripts:iChat:Chatbot-Eliza.pl")

        set theScriptCommand to ""

        -- shell script will vary if Chatbot::Eliza is installed through CPAN.

        if elizaScriptDir is null then

            set theScriptCommand to "perl " & elizaScript & " \"" & (theMessage as string) & "\""

        else

            set theScriptCommand to "perl -I" & elizaScriptDir & " " & elizaScript & " \"" & (theMessage as string) & "\""

        end if

        -- Run the shell script and grab the output.        

        set theResponse to do shell script theScriptCommand

        return theResponse

    end runChatbotEliza

    -- When first message is received, accept the invitation and send a greeting message from Eliza.

    on received text invitation theMessage from buddy theBuddy for service theService for chat theChat

        tell theChat

            accept invitation

            post message "Hello! What can I help you with today?"

        end tell

    end received text invitation

    -- On subsequent messages, pass the message directly to Eliza.

    on message received theMessage from buddy theBuddy for service theService for chat theChat

        set theResponse to runChatbotEliza(theMessage)

        tell theChat

            post message theResponse

        end tell

    end message received

    -- Sample, so you can test run this through Script Editor.

    display dialog "Say something to Eliza:" default answer "Hello, Eliza!"

    set theMessage to the text returned of the result

    set theResponse to runChatbotEliza(theMessage)

    display dialog theResponse

end using terms from