from nltk.chat.util import Chat, reflections

pairs = (
    (
        r"I need (.*)",
        (
            "Why do you need %1?",
            "Would it really help you to get %1?",
            "Are you sure you need %1?",
        ),
    ),
    (
        r"who created you (.*)",
        (
            "ELIZA was invented in 1966 by Weizenbaum. Why %1?",

        ),
    ),
    (
        r"Why don\'t you (.*)",
        (
            "Do you really think I don't %1?",
            "Perhaps eventually I will %1.",
            "Do you really want me to %1?",
        ),
    ),
    (
        r"Why can\'t I (.*)",
        (
            "Do you think you should be able to %1?",
            "If you could %1, what would you do?",
            "I don't know -- why can't you %1?",
            "Have you really tried?",
        ),
    ),
    (
        r"I can\'t (.*)",
        (
            "How do you know you can't %1?",
            "Perhaps you could %1 if you tried.",
            "What would it take for you to %1?",
        ),
    ),
    (
        r"I am (.*)",
        (
            "Did you come to me because you are %1?",
            "How long have you been %1?",
            "How do you feel about being %1?",
        ),
    ),
    (
        r"I\'m (.*)",
        (
            "How does being %1 make you feel?",
            "Do you enjoy being %1?",
            "Why do you tell me you're %1?",
            "Why do you think you're %1?",
        ),
    ),
    (
        r"Are you (.*)",
        (
            "Why does it matter whether I am %1?",
            "Would you prefer it if I were not %1?",
            "Perhaps you believe I am %1.",
            "I may be %1 -- what do you think?",
        ),
    ),
    (
        r"What (.*)",
        (
            "Why do you ask?",
            "How would an answer to that help you?",
            "What do you think?",
        ),
    ),
    (
        r"How (.*)",
        (
            "How do you suppose?",
            "Perhaps you can answer your own question.",
            "What is it you're really asking?",
        ),
    ),
    (
        r"Because (.*)",
        (
            "Is that the real reason?",
            "What other reasons come to mind?",
            "Does that reason apply to anything else?",
            "If %1, what else must be true?",
        ),
    ),
    (
        r"(.*) sorry (.*)",
        (
            "There are many times when no apology is needed.",
            "What feelings do you have when you apologize?",
        ),
    ),
    (
        r"Hello(.*)",
        (
            "Hello... I'm glad you could drop by today.",
            "Hi there... how are you today?",
            "Hello, how are you feeling today?",
        ),
    ),
    (
        r"I think (.*)",
        ("Do you doubt %1?", "Do you really think so?", "But you're not sure %1?"),
    ),
    (
        r"(.*) friend (.*)",
        (
            "Tell me more about your friends.",
            "When you think of a friend, what comes to mind?",
            "Why don't you tell me about a childhood friend?",
        ),
    ),
    (r"Yes", ("You seem quite sure.", "OK, but can you elaborate a bit?")),
    (
        r"(.*) computer(.*)",
        (
            "Are you really talking about me?",
            "Does it seem strange to talk to a computer?",
            "How do computers make you feel?",
            "Do you feel threatened by computers?",
        ),
    ),
    (
        r"Is it (.*)",
        (
            "Do you think it is %1?",
            "Perhaps it's %1 -- what do you think?",
            "If it were %1, what would you do?",
            "It could well be that %1.",
        ),
    ),
    (
        r"It is (.*)",
        (
            "You seem very certain.",
            "If I told you that it probably isn't %1, what would you feel?",
        ),
    ),
    (
        r"Can you (.*)",
        (
            "What makes you think I can't %1?",
            "If I could %1, then what?",
            "Why do you ask if I can %1?",
        ),
    ),
    (
        r"Czy mogę (.*)",
        (
            "Być może nie chcesz %1.",
            "Czy chcesz mieć możliwość %1?",
            "Gdybyś mógł %1, czy byś?",
        ),
    ),
    (
        r"Ty jesteś (.*)",
        (
            "Jak myślisz, dlaczego jestem %1?",
            "Czy cieszy cię myśl, że jestem %1?",
            "Być może chciałbyś, żebym był %1.",
            "Może naprawdę mówisz o sobie?",
        ),
    ),
    (
        r"Jesteś (.*)",
        (
            "Dlaczego mówisz, że jestem %1?",
            "Jak myślisz, dlaczego jestem %1?",
            "Mówimy o tobie, czy o mnie?",
        ),
    ),
    (
        r"Ja nie (.*)",
        ("Czy naprawdę nie %1?", "Dlaczego nie %1?", "Czy chcesz %1?"),
    ),
    (
        r"Ja czuję (.*)",
        (
            "Dobrze, powiedz mi więcej o tych uczuciach.",
            "Czy często czujesz %1?",
            "Kiedy zwykle czujesz %1?",
            "Kiedy czujesz % 1, co robisz?",
        ),
    ),
    (
        r"Mam (.*)",
        (
            "Dlaczego mówisz mi, że masz %1?",
            "Czy naprawdę masz %1?",
            "Teraz, kiedy masz %1, co zrobisz dalej?",
        ),
    ),
    (
        r"Ja chcę (.*)",
        (
            "Czy możesz wyjaśnić, dlaczego chcesz %1?",
            "Dlaczego %1?",
            "Kto jeszcze wie, że chcesz %1?",
        ),
    ),
    (
        r"Jest (.*)",
        (
            "Myślisz, że jest %1?",
            "Prawdopodobnie istnieje %1.",
            "Czy chciałbyś, aby był %1?",
        ),
    ),
    (
        r"Mój (.*)",
        (
            "Rozumiem, twój %1.",
             "Dlaczego mówisz, że twój %1?",
             "Kiedy Twój %1, jak się czujesz?",
        ),
    ),
    (
        r"Ty (.*)",
        (
            "Powinniśmy rozmawiać o Tobie, nie o mnie.",
             "Dlaczego tak o mnie mówisz?",
             "Dlaczego obchodzi cię, czy ja %1?",
        ),
    ),
    (r"Dlaczego (.*)", ("Powiedz mi dlaczego %1?", "Wydaje ci się że, %1?")),
    (
        r"Ja chcę (.*)",
        (
            "Co by dla ciebie znaczyło, gdybyś dostał %1?",
             "Dlaczego chcesz %1?",
             "Co byś zrobił, gdybyś dostał %1?",
             "Jeśli masz %1, co byś zrobił?",
        ),
    ),
    (
        r"(.*) mother(.*)",
        (
            "Tell me more about your mother.",
            "What was your relationship with your mother like?",
            "How do you feel about your mother?",
            "How does this relate to your feelings today?",
            "Good family relations are important.",
        ),
    ),
    (
        r"(.*) father(.*)",
        (
            "Tell me more about your father.",
            "How did your father make you feel?",
            "How do you feel about your father?",
            "Does your relationship with your father relate to your feelings today?",
            "Do you have trouble showing affection with your family?",
        ),
    ),
    (
        r"(.*) child(.*)",
        (
            "Did you have close friends as a child?",
            "What is your favorite childhood memory?",
            "Do you remember any dreams or nightmares from childhood?",
            "Did the other children sometimes tease you?",
            "How do you think your childhood experiences relate to your feelings today?",
        ),
    ),
    (
        r"(.*)\?",
        (
            "Why do you ask that?",
            "Please consider whether you can answer your own question.",
            "Perhaps the answer lies within yourself?",
            "Why don't you tell me?",
        ),
    ),
    (
        r"quit",
        (
            "Thank you for talking with me.",
            "Good-bye.",
            "Thank you, that will be $150.  Have a good day!",
        ),
    ),
    (
        r"(.*)",
        (
            "Please tell me more.",
            "Let's change focus a bit... Tell me about your family.",
            "Can you elaborate on that?",
            "Why do you say that %1?",
            "I see.",
            "Very interesting.",
            "%1.",
            "I see.  And what does that tell you?",
            "How does that make you feel?",
            "How do you feel when you say that?",
        ),
    ),
)

eliza_chatbot = Chat(pairs, reflections)


def eliza_chat():
    print("Psychiatrist\n---------")
    print("Talk to the program by typing in plain English, using normal upper-")
    print('and lower-case letters and punctuation.  Enter "quit" when done.')
    print("=" * 72)
    print("Hello. My name is Eliza.\nHow are you feeling today?")

    eliza_chatbot.converse()


def demo():
    eliza_chat()


if __name__ == "__main__":
    demo()