# * * * * *  cd <folder with project>; /usr/bin/python3 <folder with project>/main.py > <folder with project>/log.txt
# Replace EVERY "<>" with the correct content (should be 3)

import asyncio
from pyppeteer import launch
import requests


threadName = "<>"
fileName = "store.txt"
webhookUrl = "<>"


async def getPostCount(threadName):
    browser = await launch(headless=True)
    page = await browser.newPage()
    await page.goto('<>', {'waitUntil' : 'domcontentloaded'})

    await page.waitFor(2000) # wait for js

    namesAndComments = await page.evaluate('''() => {
        namesAndComments = [...document.querySelector("table").querySelector("tbody").querySelectorAll("tr")].map(e => [e.children[0].innerText, e.children[4].innerText]);
        return namesAndComments;

    }''')

    for pair in namesAndComments:
        if pair[0] == threadName:
            toReturn = pair[1]
    await browser.close()
    return toReturn

async def main():
    numPosts = -1
    try:
        file = open(fileName, "r")
        numPosts = int(file.read())
        file.close()
        file = open(fileName, "w")
    except FileNotFoundError:
        file = open(fileName, "w+")

    newNumPosts = int(await getPostCount(threadName))
    if(newNumPosts > numPosts):
        print("number changed")
        data = {"content": f"New post(s) created! [{numPosts}] -> [{newNumPosts}]"}
        numPosts = newNumPosts
        requests.post(webhookUrl, data=data)

    print(numPosts)
    file.write(str(numPosts))

    file.close()

asyncio.get_event_loop().run_until_complete(main())