import tkinter as tk
from tkinter import ttk


class App(tk.Tk):
    def __init__(self):
        super().__init__()
        self.title("Navegacao entre Modulos")
        self.geometry("900x550")

        sidebar = ttk.Frame(self, padding=10)
        sidebar.pack(side="left", fill="y")

        self.content = ttk.Frame(self, padding=16)
        self.content.pack(side="left", fill="both", expand=True)

        self.frames = {
            "Modulo 1": self._build_page("Modulo 1", "Conteudo do modulo 1"),
            "Modulo 2": self._build_page("Modulo 2", "Conteudo do modulo 2"),
            "Modulo 3": self._build_page("Modulo 3", "Conteudo do modulo 3"),
        }

        for nome in self.frames:
            ttk.Button(sidebar, text=nome, command=lambda n=nome: self.show_page(n)).pack(
                fill="x", pady=4
            )

        self.show_page("Modulo 1")

    def _build_page(self, titulo: str, texto: str) -> ttk.Frame:
        frame = ttk.Frame(self.content)
        ttk.Label(frame, text=titulo, font=("Segoe UI", 16, "bold")).pack(anchor="w")
        ttk.Label(frame, text=texto).pack(anchor="w", pady=(10, 0))
        return frame

    def show_page(self, nome: str):
        for frame in self.frames.values():
            frame.pack_forget()
        self.frames[nome].pack(fill="both", expand=True)


if __name__ == "__main__":
    App().mainloop()