#!/usr/bin/env python3

import tkinter as tk
from PIL import Image, ImageTk
import screeninfo, sys, os

def show_image(image_path, max_width=400, max_height=300, hover_header=None, click_url=None):
    root = tk.Tk()
    root.overrideredirect(True)
    root.withdraw()
    root.after(100, root.deiconify)
    root.attributes("-topmost", True)
    root.attributes("-alpha", 0.85)

    img = Image.open(image_path)

    img_ratio = img.width / img.height
    box_ratio = max_width / max_height

    if img.width > max_width or img.height > max_height:
        if img_ratio > box_ratio:
            new_width = max_width
            new_height = int(max_width / img_ratio)
        else:
            new_height = max_height
            new_width = int(max_height * img_ratio)
        try:
            resample = Image.Resampling.LANCZOS
        except AttributeError:
            resample = Image.ANTIALIAS
        img = img.resize((new_width, new_height), resample)

    img_tk = ImageTk.PhotoImage(img)
    img_width, img_height = img.size

    monitors = screeninfo.get_monitors()
    primary_screen = next((m for m in monitors if m.is_primary), monitors[0])

    screen_x = primary_screen.x
    screen_y = primary_screen.y
    screen_width = primary_screen.width
    screen_height = primary_screen.height

    x_pos = screen_x + screen_width - img_width - 20
    y_pos = screen_y + screen_height - img_height - 60

    root.geometry(f"{img_width}x{img_height}+{x_pos}+{y_pos}")

    label = tk.Label(root, image=img_tk, borderwidth=0)
    label.image = img_tk
    label.pack()

    header_label = tk.Label(root, text=hover_header, bg="black", fg="white", font=("Arial", 10))
    header_visible = [False]

    def update_hover_state():
        x, y = root.winfo_pointerx() - root.winfo_rootx(), root.winfo_pointery() - root.winfo_rooty()
        inside_label = 0 <= x <= img_width and 0 <= y <= img_height
        inside_header = header_label.winfo_ismapped() and header_label.winfo_containing(x + root.winfo_rootx(), y + root.winfo_rooty()) is not None

        if hover_header and (inside_label or inside_header):
            if not header_visible[0]:
                header_label.place(relx=0.5, rely=0, anchor="n", relwidth=1)
                header_visible[0] = True
        else:
            if header_visible[0]:
                header_label.place_forget()
                header_visible[0] = False

        root.after(100, update_hover_state)

    def close_window(event=None):
        root.destroy()

    root.bind("<Button-1>", close_window if click_url is None else lambda e: os.system(f"xdg-open {click_url}"))

    update_hover_state()
    root.after(5000, close_window)
    root.mainloop()

if __name__ == "__main__":
    if len(sys.argv) < 2:
        print("Usage: show_image.py <image_path> [hover_header] [click_url]")
        sys.exit(1)

    image_path = sys.argv[1]
    hover_header = sys.argv[2] if len(sys.argv) > 2 else None
    click_url = sys.argv[3] if len(sys.argv) > 3 else None

    show_image(image_path, hover_header=hover_header, click_url=click_url)