import datetime
import importlib
import os
from typing import Callable, Generator

import icecream
import justpy as jp
import pytest
from justpy.htmlcomponents import JustpyBaseComponent, WebPage
from nicegui import globals
from selenium import webdriver

from .screen import Screen

icecream.install()


@pytest.fixture
def chrome_options(chrome_options: webdriver.ChromeOptions) -> webdriver.ChromeOptions:
    chrome_options.add_argument('headless')
    chrome_options.add_argument('disable-gpu')
    chrome_options.add_argument('window-size=600x600')
    #chrome_options.add_experimental_option('w3c', False)
    return chrome_options


@pytest.fixture
def selenium(selenium: webdriver.Chrome) -> webdriver.Chrome:
    selenium.implicitly_wait(0.1)
    selenium.set_page_load_timeout(1)
    return selenium


@pytest.fixture(autouse=True)
def reset_globals() -> Generator[None, None, None]:
    WebPage.sockets.clear()
    WebPage.instances.clear()
    WebPage.next_page_id = 0
    JustpyBaseComponent.instances.clear()
    JustpyBaseComponent.next_id = 0
    importlib.reload(globals)


@pytest.fixture()
def screen(selenium: webdriver.Chrome) -> Generator[Screen, None, None]:
    screen = Screen(selenium)
    yield screen
    screen.stop_server()


@pytest.fixture
def screenshot(selenium: webdriver.Chrome) -> Callable[[str], None]:
    # original taken from https://github.com/theserverlessway/pytest-chrome/blob/master/tests/conftest.py
    def shot(name: str = '') -> None:
        directory = 'screenshots'
        if not os.path.exists(directory):
            os.makedirs(directory)
        identifier = datetime.datetime.now().isoformat()
        if name:
            identifier = f'{identifier}-{name}'
        filename = f'{directory}/{identifier}.png'
        print(f'Storing Screenshot to {filename}')
        selenium.get_screenshot_as_file(filename)
    return shot