#!/usr/bin/env python3
"""Test liveview avec Tkinter. Lance: DISPLAY=:0 python3 scripts/test_tkinter.py"""
import time
import io
import tkinter as tk
from PIL import Image, ImageTk
import gphoto2 as gp

cam = gp.Camera()
cam.init()
print("Camera connectee")

root = tk.Tk()
root.title("Test liveview Tkinter")
root.geometry("960x680")
root.configure(bg="black")

label_img = tk.Label(root, bg="black")
label_img.pack()
label_info = tk.Label(root, text="Attente...", fg="yellow", bg="black", font=("Arial", 16))
label_info.pack()

t_start = time.time()
frame_count = 0
premier_frame = None


def update():
    global frame_count, premier_frame
    try:
        t0 = time.time()
        f = cam.capture_preview()
        data = bytes(f.get_data_and_size())
        dt = time.time() - t0

        if premier_frame is None:
            premier_frame = time.time() - t_start
            print(f"1ere image en : {premier_frame:.2f}s")

        img = Image.open(io.BytesIO(data)).resize((960, 640))
        photo = ImageTk.PhotoImage(img)
        label_img.config(image=photo)
        label_img.image = photo

        frame_count += 1
        fps = frame_count / (time.time() - t_start)
        label_info.config(text=f"FPS: {fps:.1f}  frame: {dt*1000:.0f}ms  frames: {frame_count}")

    except Exception as e:
        print(f"Erreur: {e}")
        root.quit()
        return

    root.after(33, update)  # ~30fps


root.after(100, update)
root.mainloop()
cam.exit()
print(f"Total: {frame_count} frames")