"""This is the main flask library page"""


import flask
from requests import get
from icalendar import Calendar
import datetime
from flask import render_template
from rnrfeed.rnrfeeder import getevents, getlatestevent
from uploadform import PublicationForm
from csvparser.csvparser import (
    getlicenses,
    getpublications,
    gettypes,
    getyears,
    getfullpublication,
)
from flask_wtf.csrf import CSRFProtect


csrf = CSRFProtect()
APP = flask.Flask(__name__, static_folder="static")
APP.config['SECRET_KEY'] = 'ty4425hk54a21eee5719b9s9df7sdfklx'
csrf.init_app(APP)


@APP.route("/")
def index():
    """Main route, shows all the books and you can filter them, a bit"""
    pubtypes = gettypes()
    pubyears = getyears()
    publicenses = getlicenses()
    publicatons = getpublications()
    template = render_template(
        "index.html",
        publications=publicatons,
        pubtypes=pubtypes,
        pubyears=pubyears,
        publicenses=publicenses,
    )
    return template


@APP.route("/upload")
def upload():
    uploadform = PublicationForm()
    return render_template("upload.html", uploadform=uploadform)


@APP.route("/<publicationID>")
def show_book(publicationID):
    """route for a publication, still needs to be made"""
    fullpublication = getfullpublication(publicationID)
    # parse csv, render template with full list.
    return render_template("publication.html", fullpublication=fullpublication)


@APP.route("/pastevents")
def pastevents():
    """show past events and book recommendations"""
    events = getevents()
    return render_template("pastevents.html", events=events)


@APP.route("/upcoming")
def latestevent():
    """show upcoming or latest event and book recommendations"""
    event = getlatestevent()
    return render_template("upcomingevent.html", event=event)


@APP.context_processor
def upcoming_or_latest():
    upcoming = True
    ics = get("https://varia.zone/events.ics").text
    gcal = Calendar.from_ical(ics)
    eventtimes = [
            c.get("dtstart").dt for c in gcal.walk()
            if c.name == "VEVENT"
            and "Read & Repair" in c.get("summary")
            ]
    now = datetime.datetime.now()
    eventtimes.sort()
    eventtimes.reverse()
    if now > eventtimes[0]:
        upcoming = False

    return dict(upcoming=upcoming)


if __name__ == "__main__":
    APP.debug = True
    APP.run(port=5000)