Bot.py

import datetime
import time
import sys

# ─────────────────────────────────────────────
# CONFIGURATION
# ─────────────────────────────────────────────

TYPING_SPEED = 0.03  # seconds per character (set to 0 to disable)

RESPONSES = {
    # Greetings
    "hello": "Hi there! How can I help you today?",
    "hi": "Hey! Great to see you. What's on your mind?",
    "hey": "Hey! How can I assist you?",

    # Status
    "how are you": "I'm doing great, thanks for asking! How about you?",
    "what's up": "Not much, just here to help you! What do you need?",

    # Identity
    "who are you": "I'm a smart AI chatbot, here to assist you with your questions!",
    "what is your name": "You can call me TaskBot. Nice to meet you!",
    "what can you do": "I can answer questions, motivate you, and have a conversation. Try me!",

    # Motivation
    "motivate me": "Every bug you fix makes you a better developer. Keep pushing — greatness is just one commit away! 🚀",
    "i am sad": "I'm sorry to hear that. Remember, tough times don't last but tough people do. You've got this! 💪",
    "i am tired": "Rest is part of the process. Take a break, recharge, and come back stronger!",
    "i give up": "Don't give up! The most successful people failed the most. Try one more time.",

    # Emotions
    "happy": "That's amazing! Keep that energy going! 😊",
    "i am happy": "Wonderful! Happiness looks great on you. 😄",
    "i am bored": "Let's fix that! Ask me something interesting, or try: 'motivate me'.",
    "i am excited": "Love the energy! What are you excited about? 🎉",

    # Tech / Programming
    "functions kya hote hai": "Functions are reusable blocks of code that perform a specific task. Chapter 7 mein detail se padho! 📖",
    "what is python": "Python is a high-level, easy-to-learn programming language used in web dev, AI, automation, and much more!",
    "what is a loop": "A loop repeats a block of code multiple times. Python has 'for' and 'while' loops.",
    "what is a variable": "A variable is a container that stores data values. Example: name = 'Kunal'",

    # Farewells
    "bye": "Goodbye! It was great chatting with you. Take care! 👋",
    "goodbye": "See you soon! Have a wonderful day! 😊",
    "see you": "See you later! Come back anytime. 👋",

    # Thanks
    "thank you": "You're welcome! Happy to help anytime. 😊",
    "thanks": "Anytime! That's what I'm here for.",
}

FALLBACK_RESPONSES = [
    "Hmm, I'm not sure about that yet. I'm still learning!",
    "That's a great question, but it's beyond my knowledge for now.",
    "I don't have an answer for that yet. Try asking something else!",
    "I'm still growing! Ask me something else.",
]

_fallback_index = 0


# ─────────────────────────────────────────────
# UTILITIES
# ─────────────────────────────────────────────

def type_print(text: str, speed: float = TYPING_SPEED):
    """Print text with a typewriter effect."""
    if speed == 0:
        print(text)
        return
    for char in text:
        sys.stdout.write(char)
        sys.stdout.flush()
        time.sleep(speed)
    print()


def get_greeting(hour: int) -> str:
    """Return a time-appropriate greeting."""
    if 5 <= hour < 12:
        return "Good morning"
    elif 12 <= hour < 17:
        return "Good afternoon"
    elif 17 <= hour < 21:
        return "Good evening"
    else:
        return "Good night"


def get_bot_response(user_input: str) -> str:
    """Match user input against known responses using keyword matching."""
    global _fallback_index
    normalized = user_input.lower().strip()

    for keyword, response in RESPONSES.items():
        if keyword in normalized:
            return response

    # Rotate through fallback responses
    reply = FALLBACK_RESPONSES[_fallback_index % len(FALLBACK_RESPONSES)]
    _fallback_index += 1
    return reply


def print_divider():
    print("─" * 45)


# ─────────────────────────────────────────────
# MAIN
# ─────────────────────────────────────────────

def main():
    # Welcome & name
    print_divider()
    name = input("  Swagat hai! Enter your name: ").strip() or "Friend"

    hour = datetime.datetime.now().hour
    greeting = get_greeting(hour)

    print_divider()
    type_print(f"  {greeting}, {name}! 👋")
    type_print("  Namaste! Welcome to TaskBot 🤖")
    type_print("  Ask me anything. Type 'bye' to exit.")
    print_divider()
    print()

    # Conversation loop
    while True:
        try:
            user_input = input("You: ").strip()
        except (KeyboardInterrupt, EOFError):
            print()
            type_print("Bot: Goodbye! Take care. 👋")
            break

        if not user_input:
            print("Bot: Please type something!\n")
            continue

        response = get_bot_response(user_input)
        type_print(f"Bot: {response}\n")

        if any(word in user_input.lower() for word in ["bye", "goodbye", "see you"]):
            break


if __name__ == "__main__":
    main()