#!/bin/python3
# WARNING: Only use this if you are allowed to scrape ILIAS!

from selenium import webdriver
from selenium.webdriver.common.by import By
import time
import subprocess

driver = webdriver.Chrome()

driver.get("https://ovidius.uni-tuebingen.de")
driver.find_element(By.ID, "shib_login_link").click()
driver.find_element(By.ID, "username").send_keys("zx...")
driver.find_element(By.ID, "password").send_keys("...")
driver.find_elements(By.CLASS_NAME, "form-button")[0].click()

courses = [
    {
        "name": "...",
        "url": "https://ovidius.uni-tuebingen.de/ilias3/goto.php?target=...&client_id=pr02",
        "last": [],
    },
]

while True:
    for course in courses:
        driver.get(course["url"])
        rows = driver.find_elements(By.CLASS_NAME, "ilObjListRow")

        elements = []
        for row in rows:
            title = row.find_elements(
                By.CSS_SELECTOR, "a.il_ContainerItemTitle"
            )[0].text
            descs = [
                x.text
                for x in row.find_elements(By.CLASS_NAME, "il_Description")
            ]
            props = [
                x.text
                for x in row.find_elements(
                    By.CSS_SELECTOR, "span.il_ItemProperty"
                )
            ]
            s = title + " - " + (" ".join(descs)) + (" ".join(props))
            elements.append(s)

        diffs = [item for item in elements if item not in course["last"]]
        local = time.localtime()
        time_txt = time.strftime("%I:%M:%S", local)
        if len(diffs) > 0 and len(course["last"]) > 0:
            print(f'{time_txt}: {course["name"]}: CHANGES', "\n".join(diffs))
            subprocess.Popen(
                [
                    "notify-send",
                    "ILIAS CHANGES " + course["name"],
                    "".join(diffs),
                ]
            )
        else:
            print(f'{time_txt}: {course["name"]}: No changes')
        course["last"] = elements
        time.sleep(1)
    time.sleep(60)