from tkinter import *
import datetime
root = Tk()
root.geometry("500x400")
root.resizable(0, 0)
root.config(bg="#42f5cb")
root.title("Metas Financeiras ")
def limpar():
    meta_entrada.delete(0, END)
    Poupanca_mensal_entrada.delete(0, END)
def app():
    p_mensal = Poupanca_mensal.get()
    m = meta.get()
    hoje = datetime.date.today()
    meses = m / p_mensal
    prazo = hoje + datetime.timedelta(days=(meses * 30))
    mensagem = f"Com uma poupança mensal de €{p_mensal},\n" \
               f" você atingirá sua meta de €{m} em {prazo.strftime('%d/%m/%Y')}."
    resultado.set(mensagem)
titulo = Label(text="Metas Financeiras",
               font=("Arial", "25", "bold"),bg="#42f5cb",fg="#f56642")
titulo.place(relx=0.25, rely=0.05)
texto_sub1  = Label(text="Meta:",
                    font=("Arial", "16", "bold"),bg="#42f5cb",fg="#f56642")
texto_sub1.place(relx=0.25, rely=0.25)

texto_sub2  = Label(text="Meta:",
                    font=("Arial", "16", "bold"),bg="#42f5cb",fg="#f56642")
texto_sub2.place(relx=0.25, rely=0.25)

texto_sub3  = Label(text="Poupanca mensal:",
                    font=("Arial", "16", "bold"),bg="#42f5cb",fg="#f56642")
texto_sub3.place(relx=0.05, rely=0.45)

meta = DoubleVar()
meta_entrada = Entry(textvariable=meta,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
meta_entrada.place(relx=0.5, rely=0.25, relwidth=0.3)

Poupanca_mensal = DoubleVar()
Poupanca_mensal_entrada = Entry(textvariable=Poupanca_mensal,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Poupanca_mensal_entrada.place(relx=0.6, rely=0.45, relwidth=0.3)

#
but1 = Button(text="Verificar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.05, rely=0.6, relwidth=0.25, relheight=0.1)
but_limpar = Button(text="Limpar", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=limpar)
but_limpar.place(relx=0.35, rely=0.6, relwidth=0.25, relheight=0.1)

but_sair = Button(text="Sair", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=root.destroy)
but_sair.place(relx=0.65, rely=0.6, relwidth=0.25, relheight=0.1)
resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.8, relwidth=0.9,relheight=0.15)

root.mainloop()