from tkinter import *
root = Tk()
root.geometry("500x600")
root.resizable(0, 0)
root.config(bg="#103030")
root.title("Cálculo da Massa Corporal Magra")
titulo = Label(
    text="Cálculo da Massa Corporal Magra",
    font=("Arial", "20", "bold"), bg="#103030", fg="#49e3e3")
titulo.place(relx=0.05, rely=0.05)
texto_sub1 = Label(
    text="Peso (em kg):",
    font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
texto_sub1.place(relx=0.2, rely=0.2)

texto_sub2 = Label(
    text="Altura (em cm):",
    font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
texto_sub2.place(relx=0.18, rely=0.33)

texto_sub3 = Label(
    text="Sexo:",
    font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
texto_sub3.place(relx=0.15, rely=0.43)

texto_sub4 = Label(
    text="Fórmula:",
    font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
texto_sub4.place(relx=0.57, rely=0.43)
var1 = StringVar()
dropDownList1 = ["Masculino", "Feminino"]
dropdown = OptionMenu(root, var1, *dropDownList1)
dropdown.config(font=("Arial", "18", "bold"), bg="#49e3e3", fg="#103030")
dropdown["menu"].config(bg="#49e3e3", fg="#103030", font=("Arial", "18", "bold"))
var1.set(dropDownList1[0])
dropdown.place(relx=0.05, rely=0.5)

# Dropdown para fórmula
var2 = StringVar()
dropDownList2 = ["Boer", "James"]
dropdown2 = OptionMenu(root, var2, *dropDownList2)
dropdown2.config(font=("Arial", "18", "bold"), bg="#49e3e3", fg="#103030")
dropdown2["menu"].config(bg="#49e3e3", fg="#103030", font=("Arial", "18", "bold"))
var2.set(dropDownList2[0])
dropdown2.place(relx=0.55, rely=0.5)
Peso = StringVar()
Peso_entrada = Entry(
    textvariable=Peso,
    font=("Arial", "12", "bold"),
    bg="white", fg="blue", justify='center')
Peso_entrada.place(relx=0.55, rely=0.21, relwidth=0.3)
Peso_entrada.focus()

Altura = StringVar()
Altura_entrada = Entry(
    textvariable=Altura,
    font=("Arial", "12", "bold"),
    bg="white", fg="blue", justify='center')
Altura_entrada.place(relx=0.55, rely=0.34, relwidth=0.3)

def limpar():
    Altura_entrada.delete(0, END)
    Peso_entrada.delete(0, END)
    resultado_texto.config(text="")

def app():
    try:
        peso = float(Peso.get())
        altura = float(Altura.get()) / 100  # Converter para metros
        sexo = var1.get()  # Masculino ou Feminino
        formula = var2.get()  # Boer ou James
        if formula == "Boer":
            if sexo == "Masculino":
                lbm = 0.407 * peso + 0.267 * altura * 100 - 19.2
            else:
                lbm = 0.252 * peso + 0.473 * altura * 100 - 48.3
        elif formula == "James":
            if sexo == "Masculino":
                lbm = 1.1 * peso - 128 * (peso / altura) ** 2
            else:
                lbm = 1.07 * peso - 148 * (peso / altura) ** 2
        else:
            raise ValueError("Fórmula desconhecida.")
        resultado_texto.config(text=f"Massa Corporal Magra: {lbm:.2f} kg")

    except ValueError:
        resultado_texto.config(text="Erro: Verifique os valores inseridos!")
    except ZeroDivisionError:
        resultado_texto.config(text="Erro: Altura não pode ser zero!")
but1 = Button(
    text="Calcular", bd=2, bg='#107db2', fg='white',
    font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.1, rely=0.65, 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=0.4, rely=0.65, 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=0.7, rely=0.65, relwidth=0.25, relheight=0.1)
resultado_texto = Label(
    text="",
    font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.8, relwidth=0.9, relheight=0.15)
root.mainloop()