import datetime
import os
import urllib.request
import urllib.error
import json

restaurant_info = [
  [ "(TaY) Sodexo Linna", "http://www.sodexo.fi/linna", "", "right", 92],
  #[ "(TTY) Sodexo Erkkeri", "http://www.sodexo.fi/erkkeri", "", "left", 100]
  [ "(TTY) Sodexo Hertsi", "http://www.sodexo.fi/tty-tietotalo", "", "right", 12812]
]

def get_restaurants(use_old, week):
    restaurants = []
    for count, info in enumerate(restaurant_info):
        kitchen = info[4]
        title = info[0]
        open_hours = ""
        week_foods = {}
        today = datetime.date.today()
        week_day = today.isocalendar()[2]
        last_sunday = today - datetime.timedelta(days=week_day)
        for weekday in range(1,7):
            date = last_sunday + datetime.timedelta(days=weekday)
            timestr = date.strftime("%Y/%m/%d")
            url = "http://www.sodexo.fi/ruokalistat/output/daily_json/{kitchen}/{timestr}/fi".format(kitchen=kitchen, timestr=timestr)
            temp_fname = "sodexo_{count}-{weekday}.temp.js".format(count=count, weekday=weekday)
            if not use_old or not os.path.isfile(temp_fname):
                try:
                    urllib.request.urlretrieve(url, temp_fname)
                except urllib.error.HTTPError as e:
                    print("Failed to download {url}".format(url=url))
            try:
                with open(temp_fname, "r", encoding="utf-8") as fin:
                    data = json.load(fin)
            except OSError as e:
                continue
            current_day_foods = []
            courses = data["courses"]
            for course_info in courses:
                print(course_info)
                if course_info["category"] != "Aamupuuro":
                    food = course_info["title_fi"]
                    if "properties" in course_info:
                        food += " ({allergies})".format(allergies=course_info["properties"])
                    current_day_foods.append(food)
            week_foods[weekday-1] = current_day_foods
        restaurants.append([title, open_hours, week, week_foods, info])

    return restaurants