import matplotlib
matplotlib.use("TkAgg")  # Para usar Tkinter como backend
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D  # Necesario para 3D
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
import numpy as np

def plot_geometry_in_frame(parent_frame, geom, p1, p2):
    """Dibuja distintas geometrías 3D en un Frame de Tkinter, sin abrir ventana nueva."""
    fig = plt.Figure(figsize=(4, 3), dpi=100)
    ax = fig.add_subplot(111, projection='3d')
    ax.set_title(f"{geom}", fontsize=10)

    if geom == "Prisma cuadrado":
        lado, largo = p1, p2
        Xs = [0, lado, lado, 0, 0, lado, lado, 0]
        Ys = [0, 0, lado, lado, 0, 0, lado, lado]
        Zs = [0, 0, 0, 0, largo, largo, largo, largo]
        edges = [(0,1),(1,2),(2,3),(3,0),(4,5),(5,6),(6,7),(7,4),(0,4),(1,5),(2,6),(3,7)]
        for i,j in edges:
            ax.plot([Xs[i], Xs[j]], [Ys[i], Ys[j]], [Zs[i], Zs[j]], color='g')
        ax.set_xlim(0, max(lado,1))
        ax.set_ylim(0, max(lado,1))
        ax.set_zlim(0, max(largo,1))

    elif geom == "Cilindro":
        r, h = p1, p2
        theta = np.linspace(0, 2*np.pi, 30)
        z = np.linspace(0, h, 30)
        T, Z = np.meshgrid(theta, z)
        X = r*np.cos(T)
        Y = r*np.sin(T)
        ax.plot_surface(X, Y, Z, color='cyan', alpha=0.5)
        ax.set_xlim(-r, r)
        ax.set_ylim(-r, r)
        ax.set_zlim(0, h)

    elif geom == "Esfera":
        r = p1
        phi = np.linspace(0, np.pi, 30)
        theta = np.linspace(0, 2*np.pi, 30)
        Phi, Theta = np.meshgrid(phi, theta)
        X = r*np.sin(Phi)*np.cos(Theta)
        Y = r*np.sin(Phi)*np.sin(Theta)
        Z = r*np.cos(Phi)
        ax.plot_surface(X, Y, Z, color='yellow', alpha=0.6)
        ax.set_xlim(-r, r)
        ax.set_ylim(-r, r)
        ax.set_zlim(-r, r)
    else:
        ax.text2D(0.2, 0.5, "Geometría desconocida", transform=ax.transAxes)

    for child in parent_frame.winfo_children():
        child.destroy()
    canvas = FigureCanvasTkAgg(fig, master=parent_frame)
    canvas_widget = canvas.get_tk_widget()
    canvas_widget.pack(fill="both", expand=True)
    canvas.draw()


def plot_coil_in_frame(parent_frame, N=10, e_pvc=1.0, r_int=5.0, r_ext=8.0, h_c=10.0, d_cu=0.5):
    """Dibuja de forma aproximada una bobina en 2D (vista de corte)."""
    r_capas = r_ext - (r_int + e_pvc)
    if r_capas < 0: r_capas = 0.0

    fig = plt.Figure(figsize=(4, 3), dpi=100)
    ax = fig.add_subplot(111)
    ax.set_aspect("equal", adjustable="box")
    ax.set_title("Bobina (vista 2D)", fontsize=10)

    # PVC a izquierda y derecha
    ax.fill_between(x=[-(r_int + e_pvc), -r_int], y1=0, y2=h_c, color="black", alpha=0.3)
    ax.fill_between(x=[r_int, r_int + e_pvc], y1=0, y2=h_c, color="black", alpha=0.3)

    num_capas = int(np.floor(r_capas / d_cu))
    if num_capas < 1: num_capas = 1
    vueltas_por_capa = int(np.ceil(N / num_capas))
    delta_h = h_c / (vueltas_por_capa + 1)

    def dibuja_conductor(xc, yc, radio):
        circle = plt.Circle((xc, yc), radio, color="orange", fill=True)
        ax.add_patch(circle)

    for i in range(num_capas):
        x_left = -(r_int + e_pvc + (2*i + 1) * (d_cu / 2))
        x_right = +(r_int + e_pvc + (2*i + 1) * (d_cu / 2))
        for j in range(vueltas_por_capa):
            y = (j + 1)*delta_h
            if y > h_c: break
            dibuja_conductor(x_left, y, d_cu/2)
            dibuja_conductor(x_right, y, d_cu/2)

    ax.set_xlim(-r_ext - d_cu, r_ext + d_cu)
    ax.set_ylim(0, h_c + d_cu)
    ax.set_xlabel("Radio (X)")
    ax.set_ylabel("Altura (Y)")
    ax.grid(True)

    for child in parent_frame.winfo_children():
        child.destroy()
    canvas = FigureCanvasTkAgg(fig, master=parent_frame)
    canvas_widget = canvas.get_tk_widget()
    canvas_widget.pack(fill="both", expand=True)
    canvas.draw()