import os

from django.conf import settings
from selenium import webdriver
from selenium.webdriver.common.by import By

from .base import FunctionalTest
from .list_page import ListPage
from .my_lists_page import MyListsPage


# Helper fns
def quit_if_possible(browser):
    try:
        browser.quit()
    except:
        pass


# Test mdls
class SharingTest(FunctionalTest):
    def test_can_share_a_list_with_another_user(self):
        self.create_pre_authenticated_session("discoman@example.com")
        disco_browser = self.browser
        self.addCleanup(lambda: quit_if_possible(disco_browser))

        options = webdriver.FirefoxOptions()
        if os.environ.get("HEADLESS"):
            options.add_argument("--headless")
        ali_browser = webdriver.Firefox(options=options)
        self.addCleanup(lambda: quit_if_possible(ali_browser))
        self.browser = ali_browser
        self.create_pre_authenticated_session("alice@example.com")

        self.browser = disco_browser
        self.browser.get(self.live_server_url)
        list_page = ListPage(self).add_list_item("Send help")

        share_box = list_page.get_share_box()
        self.assertEqual(
            share_box.get_attribute("placeholder"),
            "friend@example.com",
        )

        list_page.share_list_with("alice@example.com")

        self.browser = ali_browser
        MyListsPage(self).go_to_my_lists_page("alice@example.com")

        self.browser.find_element(By.LINK_TEXT, "Send help").click()

        self.wait_for(
            lambda: self.assertEqual(list_page.get_list_owner(), "discoman@example.com")
        )

        list_page.add_list_item("At your command, Disco King")

        self.browser = disco_browser
        self.browser.refresh()
        list_page.wait_for_row_in_list_table("At your command, Disco King", 2)

class ListAccessTest(FunctionalTest):
    def test_stranger_cannot_access_owned_list(self):
        self.create_pre_authenticated_session("disco@example.com")
        self.browser.get(self.live_server_url)
        list_page = ListPage(self).add_list_item("private eye")
        list_url = self.browser.current_url

        self.browser.delete_cookie(settings.SESSION_COOKIE_NAME)
        self.browser.get(list_url)

        self.assertNotEqual(self.browser.current_url, list_url)