from tkinter import *

def para_24h(horario):
    hora, periodo = horario.split()
    h, m = map(int, hora.split(":"))

    if periodo.upper() == "AM":
        if h == 12:
            h = 0
    else:  # PM
        if h != 12:
            h += 12

    return f"{h:02d}:{m:02d}"

def para_12h(horario):
    h, m = map(int, horario.split(":"))

    if h == 0:
        return f"12:{m:02d} AM"
    elif h < 12:
        return f"{h:02d}:{m:02d} AM"
    elif h == 12:
        return f"{h:02d}:{m:02d} PM"
    else:
        return f"{h-12:02d}:{m:02d} PM"


root = Tk()
root.geometry("700x400")
root.resizable(0, 0)
root.config(bg="#103030")
root.title("Converte 12h → 24h e 24h → 12h")

titulo = Label(
    text="Converte 12h → 24h e 24h → 12h",
    font=("Arial", 28, "bold"),
    bg="#103030",
    fg="#49e3e3"
)
titulo.place(relx=0.08, rely=0.05)

texto_sub1 = Label(
    text="Digite a hora (ex: 03:20 PM ou 18:30):",
    font=("Arial", 18, "bold"),
    bg="#103030",
    fg="#49e3e3"
)
texto_sub1.place(relx=0.05, rely=0.32)

hora = StringVar()
hora_entrada = Entry(
    textvariable=hora,
    font=("Arial", 12, "bold"),
    bg="white",
    fg="blue",
    justify='center'
)
hora_entrada.place(relx=0.68, rely=0.33, relwidth=0.3)
hora_entrada.focus()


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

def app():
    try:
        Hora = hora.get().strip()

        if "AM" in Hora.upper() or "PM" in Hora.upper():
            mensagem = f"Formato 12h → 24h: {para_24h(Hora)}"
        else:
            mensagem = f"Formato 24h → 12h: {para_12h(Hora)}"

        resultado_texto.config(text=mensagem)

    except ValueError:
        resultado_texto.config(text="Por favor, insira uma hora válida.")


# --- BOTÕES ---
but1 = Button(
    text="Mostrar",
    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()