# Copyright (C) 2017 Gabriel Perez-Cerezo <gabriel@gpcf.eu>
# -*- coding: utf-8 -*-

import urllib.request, urllib.error, urllib.parse
from lxml import etree
from lxml.cssselect import CSSSelector
import html5lib
from common import Food
from common import formt
import multiprocessing

mensenliste = {"TU Hardenberg" : "mensa-tu-hardenbergstra%C3%9Fe", "TU Marchstraße": "cafeteria-tu-marchstra%C3%9Fe", "TU Skyline": "cafeteria-tu-skyline", "TU Architektur": "cafeteria-tu-architektur", "TU Ackerstraße": "cafeteria-tu-ackerstra%C3%9Fe"}


def get_food_items(mensa="mensa-tu-hardenbergstra%C3%9Fe", ignore_nudelauswahl=False) :
    user_agent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64)'
    headers = {'User-Agent': user_agent}
    
    req = urllib.request.Request('https://www.stw.berlin/mensen/%s.html' % mensa, headers=headers)
    response = urllib.request.urlopen(req)
    the_page = response.read()
    document = html5lib.parse(the_page, treebuilder="lxml")
    groupsel = CSSSelector('.splGroupWrapper')
    groups = [e for e in groupsel(document)]
    fl = []
    for i in groups :
        name = CSSSelector('.splGroup')(i)[0].text
        sel = CSSSelector('.splMeal')
        meals = [e for e in sel(i)]
        for m in meals :        
            namesel = CSSSelector('.bold')
            nm = namesel(m)[0].text
            if ignore_nudelauswahl  and "Nudelauswahl" in nm:
                continue
            pricesel = CSSSelector('.col-md-3')
            veg = 0
            if len(pricesel(m)[0]) >= 2 :
                if "15" in pricesel(m)[0][1].attrib["src"] :
                    veg = 2
                elif "1.png" in pricesel(m)[0][1].attrib["src"] :
                    veg = 1
            price = pricesel(m)[-1].text.strip()
            fl.append(Food(nm, price, name, veg))
    return fl

def pr_f(j) :
    i,k = j
    food = get_food_items(k, ignore_nudelauswahl=True)
    return (i,"*"*20+i+"*"*20+"\n"+formt(food))
    

# format:
if __name__ == "__main__":
    pool = multiprocessing.Pool(4)
    k = pool.map(pr_f, list(mensenliste.items()))
    k.sort(key=lambda x: x[0])
    for i in k :
        print(i[1])