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import tkinter as tk
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from tkinter import Canvas, Frame, Scrollbar, Label, Entry, BOTH, RIGHT, LEFT, Y, NW
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from predict import chatbot_response
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class ChatbotGUI:
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def __init__(self, root):
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self.root = root
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self.root.title("LMS Chatbot")
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self.root.geometry("500x600")
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self.root.minsize(400, 400)
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self.root.configure(bg="#f0f0f0")
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self.frame = Frame(root, bg="#f0f0f0")
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self.frame.pack(padx=10, pady=10, fill=BOTH, expand=True)
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self.canvas = Canvas(self.frame, bg="#f0f0f0", highlightthickness=0)
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self.scrollbar = Scrollbar(self.frame, orient="vertical", command=self.canvas.yview)
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self.scrollable_frame = Frame(self.canvas, bg="#f0f0f0")
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self.scrollable_frame.bind(
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"<Configure>",
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lambda e: self.canvas.configure(scrollregion=self.canvas.bbox("all"))
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)
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self.canvas.create_window((0, 0), window=self.scrollable_frame, anchor=NW)
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self.canvas.configure(yscrollcommand=self.scrollbar.set)
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self.canvas.pack(side=LEFT, fill=BOTH, expand=True)
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self.scrollbar.pack(side=RIGHT, fill=Y)
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self.entry = Entry(root, font=("Helvetica", 14), bd=2, relief="groove")
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self.entry.pack(padx=10, pady=10, fill="x")
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self.entry.bind("<Return>", self.send_message)
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self.typing_label = Label(root, text="", bg="#f0f0f0", fg="gray", font=("Helvetica", 10))
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self.typing_label.pack(pady=(0,5))
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def send_message(self, event):
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user_input = self.entry.get().strip()
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if not user_input:
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return
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self.entry.delete(0, tk.END)
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self.add_message(user_input, sender="user")
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self.typing_label.config(text="Bot is typing...")
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self.root.after(500, lambda: self.bot_reply(user_input))
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def bot_reply(self, user_input):
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response = chatbot_response(user_input)
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self.typing_label.config(text="")
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self.animate_bot_response(response)
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def add_message(self, message, sender="bot"):
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bubble = Label(self.scrollable_frame, text=message, wraplength=300, justify="left",
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bg="#DCF8C6" if sender=="user" else "#FFFFFF",
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fg="#000000", font=("Helvetica", 12), padx=10, pady=5, bd=1, relief="solid")
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bubble.pack(anchor="e" if sender=="user" else "w", pady=5, padx=5)
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self.canvas.update_idletasks()
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self.canvas.yview_moveto(1.0)
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def animate_bot_response(self, text, idx=0, message=""):
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if idx < len(text):
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message += text[idx]
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if hasattr(self, "bot_bubble"):
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self.bot_bubble.config(text=message)
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else:
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self.bot_bubble = Label(self.scrollable_frame, text=message, wraplength=300, justify="left",
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bg="#FFFFFF", fg="#000000", font=("Helvetica", 12), padx=10, pady=5, bd=1, relief="solid")
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self.bot_bubble.pack(anchor="w", pady=5, padx=5)
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idx += 1
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self.root.after(30, self.animate_bot_response, text, idx, message)
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else:
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del self.bot_bubble
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self.canvas.update_idletasks()
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self.canvas.yview_moveto(1.0)
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if __name__ == "__main__":
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root = tk.Tk()
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app = ChatbotGUI(root)
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root.mainloop()
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