import json
import os.path
import random
import time

import requests
from flask import Flask, render_template
from flask_apscheduler import APScheduler

URL = "https://www.reddit.com/r/InterdimensionalCable/top.json?limit=100&t=week"
scheduler = APScheduler()
v = []


def getRedditData(url):
    resp = requests.get(url)
    text = resp.text
    code = resp.status_code
    while code == 429:
        print("waiting for timeout to end ...")
        time.sleep(2)
        resp = requests.get(url)
        text = resp.text
        code = resp.status_code

    data = json.loads(text)
    token = data["data"]["after"]
    ret = []
    for post in data["data"]["children"]:
        turl = post["data"]["url_overridden_by_dest"]
        if "youtu.be" in turl:
            turl = turl.replace("https://youtu.be/", "https://www.youtube.com/watch?v=")
        if "m.youtube.com" in turl:
            turl = turl.replace(
                "https://m.youtube.com/embed", "https://www.youtube.com/watch?v="
            )
        turl = turl.replace("watch?v=", "embed/")
        turl = turl + "?autoplay=1&enablejsapi=1"
        ret.append(turl)

    return ret, token


def doPages(numPages):
    token = ""
    vids = []
    for i in range(numPages):
        if i == 0:
            v, t = getRedditData(URL)
            vids = vids + v
            token = t
        time.sleep(2)
        v, t = getRedditData(URL + f"&after={token}")
        vids = vids + v
        print(f"got page {i}...")
    return vids


@scheduler.task("interval", id="do_job_1", minutes=60, misfire_grace_time=900)
def job1():
    global v
    doFetch = False
    pexist = os.path.exists("temp.json")

    if pexist:
        print("temp.json exists")
        sec = os.path.getmtime("temp.json")
        now = time.time()
        if now - sec > 600:
            doFetch = True
    else:
        doFetch = True

    if doFetch:
        print("stale or no file, fetching...")
        v = doPages(2)
        with open("temp.json", "w") as f:
            json.dump(v, f)
    else:
        print("fresh file, not fetching...")
        with open("temp.json", "r") as f:
            v = json.load(f)


app = Flask(__name__)
scheduler.init_app(app)
scheduler.start()
job1()


@app.route("/")
def hello_world():
    global v
    random.shuffle(v)
    return render_template("index.html", vids=json.dumps(v))


if __name__ == "__main__":
    app.run(host="0.0.0.0", port=8080)