import difflib
import os
from datetime import datetime
from typing import Tuple, Optional

import orjson
import requests

from rare.lgndr.core import LegendaryCore
from rare.utils.paths import cache_dir

replace_chars = ",;.:-_ "
url = "https://api.steampowered.com/ISteamApps/GetAppList/v2/"


__steam_ids_json = None
__grades_json = None
__active_download = False


def get_rating(core: LegendaryCore, app_name: str) -> Tuple[int, str]:
    game = core.get_game(app_name)
    try:
        steam_id = get_steam_id(game.app_title)
        if not steam_id:
            raise Exception
        grade = get_grade(steam_id)
    except Exception as e:
        return 0, "fail"
    else:
        return steam_id, grade


# you should iniciate the module with the game's steam code
def get_grade(steam_code):
    if steam_code == 0:
        return "fail"
    steam_code = str(steam_code)
    url = "https://www.protondb.com/api/v1/reports/summaries/"
    res = requests.get(f"{url}{steam_code}.json")
    try:
        lista = orjson.loads(res.text)  # pylint: disable=maybe-no-member
    except orjson.JSONDecodeError:  # pylint: disable=maybe-no-member
        return "fail"

    return lista["tier"]


def load_json() -> dict:
    file = os.path.join(cache_dir(), "game_list.json")
    mod_time = datetime.fromtimestamp(os.path.getmtime(file))
    elapsed_time = abs(datetime.now() - mod_time)
    global __active_download
    if __active_download:
        return {}
    if not os.path.exists(file) or elapsed_time.days > 7:
        __active_download = True
        response = requests.get(url)
        __active_download = False
        steam_ids = orjson.loads(response.text)["applist"]["apps"]  # pylint: disable=maybe-no-member
        ids = {}
        for game in steam_ids:
            ids[game["name"]] = game["appid"]
        with open(file, "w") as f:
            f.write(orjson.dumps(ids).decode("utf-8"))  # pylint: disable=maybe-no-member
        return ids
    else:
        return orjson.loads(open(file, "r").read())   # pylint: disable=maybe-no-member


def get_steam_id(title: str) -> int:
    # workarounds for satisfactory
    # FIXME: This has to be made smarter.
    title = title.replace("Early Access", "").replace("Experimental", "").strip()
    # title = title.split(":")[0]
    # title = title.split("-")[0]
    global __steam_ids_json
    if __steam_ids_json is None:
        __steam_ids_json = load_json()
    ids = __steam_ids_json

    if title in ids.keys():
        steam_name = [title]
    else:
        steam_name = difflib.get_close_matches(title, ids.keys(), n=1, cutoff=0.5)
    if steam_name:
        return ids[steam_name[0]]
    else:
        return 0