from tkinter import *

root = Tk()
root.geometry("700x400")
root.resizable(0, 0)
root.config(bg="#103030")
root.title("Peso em cada Planeta")

titulo = Label(
    root,
    text="Peso em cada Planeta",
    font=("Arial", 28, "bold"),
    bg="#103030",
    fg="#49e3e3"
)
titulo.place(relx=0.23, rely=0.05)

texto_sub1 = Label(
    root,
    text="Peso (em kg):",
    font=("Arial", 18, "bold"),
    bg="#103030",
    fg="#49e3e3"
)
texto_sub1.place(relx=0.2, rely=0.3)

texto_sub2 = Label(
    root,
    text="Escolha o Planeta:",
    font=("Arial", 18, "bold"),
    bg="#103030",
    fg="#49e3e3"
)
texto_sub2.place(relx=0.25, rely=0.44)

Peso_kg = StringVar()

Peso_kg_entrada = Entry(
    root,
    textvariable=Peso_kg,
    font=("Arial", 12, "bold"),
    bg="white",
    fg="blue",
    justify='center'
)
Peso_kg_entrada.place(relx=0.5, rely=0.31, relwidth=0.35)
Peso_kg_entrada.focus()

var = StringVar()

dropDownList = [
    "Mercúrio",
    "Vénus",
    "Marte",
    "Júpiter",
    "Saturno",
    "Urano",
    "Neptuno"
]

dropdown = OptionMenu(root, var, *dropDownList)
var.set(dropDownList[0])
dropdown.place(relx=0.6, rely=0.45, relwidth=0.35)

dropdown.config(
    background='#09A3BA',
    foreground="#FFFFFF",
    font=("Arial", 15, "bold")
)

dropdown["menu"].config(
    background='#09A3BA',
    foreground="#FFFFFF",
    font=("Arial", 15, "bold")
)

resultado_texto = Label(
    root,
    text="",
    font=("Arial", 12, "bold"),
    bg="#cfe2f3"
)
resultado_texto.place(relx=0.05, rely=0.8, relwidth=0.9, relheight=0.15)


def limpar():
    Peso_kg_entrada.delete(0, END)
    resultado_texto.config(text="")
    Peso_kg_entrada.focus()


def app():
    try:
        planeta = var.get()
        peso = float(Peso_kg.get())

        gravidade = {
            "Mercúrio": 0.38,
            "Vénus": 0.90,
            "Marte": 0.38,
            "Júpiter": 2.53,
            "Saturno": 1.06,
            "Urano": 0.89,
            "Neptuno": 1.14
        }

        peso_planeta = peso * gravidade[planeta]

        mensagem = f"No planeta {planeta}, teria um peso de {round(peso_planeta,2)} kg"
        resultado_texto.config(text=mensagem)

    except ValueError:
        resultado_texto.config(text="Por favor, insira valores numéricos válidos")


but1 = Button(
    root,
    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(
    root,
    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(
    root,
    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)

root.mainloop()