#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
#    Copyright © 2024 Simon Forman
#
#    This file is part of game
#
#    game is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    game is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with game.  If not see <http://www.gnu.org/licenses/>.
#
from tkinter import *

import data


class App:
    '''
    A canvas with scrolling support.
    '''

    def __init__(self, master=None, *canvas_args, **canvas_kw):
        frame = self.frame = Frame(root, bg='green')
        frame.rowconfigure(0, weight=1)
        frame.columnconfigure(0, weight=1)

        C = self.canvas = Canvas(frame, *canvas_args, **canvas_kw)

        scrollY = self.scrollY = Scrollbar(
            frame,
            orient=VERTICAL,
            command=C.yview,
            )
        C['yscrollcommand'] = scrollY.set

        scrollX = self.scrollX = Scrollbar(
            frame,
            orient=HORIZONTAL,
            command=C.xview,
            )
        C['xscrollcommand'] = scrollX.set

        C.grid(row=0, column=0, sticky=N+S+E+W)
        scrollY.grid(row=0, column=1, sticky=N+S)
        scrollX.grid(row=1, column=0, sticky=E+W)

        C.bind("<Configure>", self.handle_canvas_resize)

    def handle_canvas_resize(self, event):
        print(event)


data.open_db()

root = Tk()
app = App(root, bg='black', scrollregion=(0, 0, data.WIDTH, data.HEIGHT))
app.frame.pack(expand=True, fill=BOTH)

for x, y, radius in data.stars():
    app.canvas.create_oval(
        x - radius, y - radius,
        x + radius, y + radius,
        fill='yellow',
        )

app.frame.mainloop()