CHATBOT.PY

import re

import random

# this code function is to test the response system

def undisclosed():
    response = ["Could you please paraphrase that? ",
                "...",
                "sorry can you say that again.",
                "i'm not sure i understand what you are saying",
                "What does that mean?"][
        random.randrange(4)]
    return response



# this code function is to get response
def input_responses(person_input):
    message = re.split(r'\s+|[,;?!.-]\s*', person_input.lower())
    response = view_messages(message)
    return response



def communication_possibility(person_message, observed_words, response=False, essential_words=[]):
    communication_certitude = 0
    has_essential_words = True

    # this checks how many words are in a predetermined message
    for word in person_message:
        if word in observed_words:
            communication_certitude += 1

    # this code computes the percent of essential words in person message
    ScalePercentage= float(communication_certitude) / float(len(observed_words))

    # this code checks for essential words in the string
    for word in essential_words:
        if word not in person_message:
            has_essential_words = False
            break

    # this code function is to make it have essential words or give a response
    if has_essential_words or response:
        return int(ScalePercentage * 100)
    else:
        return 0


def view_messages(text_message):
    PossibilityList = {}

    #
    def pattern_response(chabot_response, list_of_words, response=False, essential_words=[]):
        nonlocal PossibilityList
        PossibilityList[chabot_response] = communication_possibility(text_message, list_of_words, response, essential_words)


    #this code below gives an intelligent answer to a Person

    pattern_response('Hello!', ['hello', 'hi', 'holla', 'whats up', 'holla'], response=True)
    pattern_response('From your evaluated data you only have one exercise to do today', ['how', 'much'], response=True)
    pattern_response('Watching tv all day is not good for the eyesight', ['all day', 'tv'],  response=True)
    pattern_response('Running is the best exercise for burning calories', ['burns', 'most calories'], response=True)
    pattern_response('Like running you can do other exercise like weightlifting, swimming and boxing', ['recommend', 'any other'],response=True)
    pattern_response('I do not have an age but my creator Seni is 30 years old', ['how', 'old', 'are', 'you', 'age'], response=True)
    pattern_response('See you!', ['bye', 'goodbye', 'have a good day'], response=True)
    pattern_response('hey bud sorry to hear that you feel that way, i am sure you are gonna get better soon', ['sad', 'unhappy'], response=True)
    pattern_response('hey bud glad to hear that you feel that way, i am having a good day as well:)', ['happy', 'feeling good'],response=True)
    pattern_response('I am good, and you?', ['how', 'are', 'you', 'doing'], essential_words=['how'])
    pattern_response('yes, i require you try PureFitnessCenter! it is the best i know for exercise! ', ['gym'], response=True)
    pattern_response('You\'re welcome!', ['thank', 'thanks'], response=True)
    pattern_response('My name is 247psychobot', ['name'],response=True)
    pattern_response('You are welcome', ['thank', 'you'], essential_words=['thank'])




    PerfectMatch = max(PossibilityList, key=PossibilityList.get)


    return undisclosed() if PossibilityList [PerfectMatch]< 1 else PerfectMatch







#this works except it puts user name in this format => {'name'} when running the code
userName = input('Greetings! my name is 247pyschobot, whats yours? : ' )
f"Hello{userName}"
while True:
    print('247psychobot: ' + input_responses(input(userName + ": ")))