from tkinter import *
root = Tk()
root.geometry("500x500")
root.resizable(0, 0)
root.config(bg="#103030")
root.title("Calculadora de Frete")
titulo = Label(text="Calculadora de Frete",
               font=("Arial", 28, "bold"), bg="#103030", fg="#49e3e3")
titulo.place(relx=0.1, rely=0.05)

texto_sub1 = Label(text="Peso do pacote (kg):",
                   font=("Arial", 18, "bold"), bg="#103030", fg="#49e3e3")
texto_sub1.place(relx=0.05, rely=0.25)

Peso = StringVar()
Peso_entrada = Entry(textvariable=Peso,
                     font=("Arial", 12, "bold"),
                     bg="white", fg="blue", justify='center')
Peso_entrada.place(relx=0.55, rely=0.26, relwidth=0.35)

texto_sub2 = Label(text="Distância (km):",
                   font=("Arial", 18, "bold"), bg="#103030", fg="#49e3e3")
texto_sub2.place(relx=0.18, rely=0.4)

Distância = StringVar()
Distância_entrada = Entry(textvariable=Distância,
                          font=("Arial", 12, "bold"),
                          bg="white", fg="blue", justify='center')
Distância_entrada.place(relx=0.55, rely=0.41, relwidth=0.35)

texto_sub3 = Label(text="Tipo de frete:",
                   font=("Arial", 18, "bold"), bg="#103030", fg="#49e3e3")
texto_sub3.place(relx=0.2, rely=0.52)

var = StringVar()
dropDownList = ["Normal", "Expresso"]
dropdown = OptionMenu(root, var, *dropDownList)
var.set(dropDownList[0])
dropdown.place(relx=0.53, rely=0.52, relwidth=0.35)
dropdown.config(background='#09A3BA', foreground="#FFFFFF",
                font=("Arial", 15, "bold"))
dropdown["menu"].config(background='#09A3BA', foreground="#FFFFFF",
                        font=("Arial", 15, "bold"))
def app():
    try:
        distancia = float(Distância.get())
        peso = float(Peso.get())
        tipo = var.get().lower()

        if tipo == "normal":
            custo = (0.50 * distancia) + (5 * peso)
            if distancia <= 100:
                prazo = "2 dias úteis"
            elif distancia <= 500:
                prazo = "5 dias úteis"
            else:
                prazo = "8 dias úteis"

        elif tipo == "expresso":
            custo = (0.80 * distancia) + (10 * peso)
            if distancia <= 100:
                prazo = "1 dia útil"
            elif distancia <= 500:
                prazo = "3 dias úteis"
            else:
                prazo = "5 dias úteis"
        else:
            resultado_texto.config(text="Tipo de frete inválido!")
            return

        mensagem = f"Valor total do frete:  {custo:.2f} €\nPrazo estimado: {prazo}"
        resultado_texto.config(text=mensagem)

    except ValueError:
        resultado_texto.config(text="Erro: Digite apenas números válidos!")

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

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", justify='left')
resultado_texto.place(relx=0.05, rely=0.8, relwidth=0.9, relheight=0.15)

root.mainloop()