import os
import re
import json
import argparse
import requests
import platform
from functools import partial
from contextlib import suppress
from fucker import Fucker
from logger import logger
from ObjDict import ObjDict
from utils import showImage, cookie_jar_to_list
from utils import getConfigPath, getRealPath, versionCmp

DEFAULT_CONFIG = {
    "username": "",
    "password": "",
    "qrlogin": True,
    "save_cookies": True,
    "proxies": {},
    "logLevel": "INFO",
    "qr_extra": {
        "show_in_terminal": None,
        "ensure_unicode": False
    },
    "pushplus": {
        "enable": False,
        "token": ""
    },
    "bark":{
        "enable": False,
        "token": "https://example.com/xxxxxxxxx"
    },
    "config_version": "1.3.0"
}
# get config or create one if not exist
if os.path.isfile(getConfigPath()):
    with open(getConfigPath(), 'r+') as f:
        config = ObjDict(json.load(f), default=None)
        if "config_version" not in config:
            config.config_version = "1.0.0"
        if versionCmp(config.config_version, DEFAULT_CONFIG["config_version"]) < 0:
            new = ObjDict(DEFAULT_CONFIG, default=None)
            if versionCmp(config.config_version, "1.0.1") < 0:
                config.pop("qr_extra", None)
            if versionCmp(config.config_version, "1.3.0") < 0:
                pushplus = config.pop("push", {})
                new.pushplus.update(pushplus)
            config.pop("config_version", None)
            new.update(config)
            config = new
            f.seek(0)
            json.dump(config, f, indent=4)
            f.truncate()
            print("****Config file updated****")
else:
    config = ObjDict(DEFAULT_CONFIG, default=None)
    with open(getConfigPath(), 'w') as f:
        json.dump(config, f, indent=4)

# parse arguments
parser = argparse.ArgumentParser(prog="ZHS Fucker")
parser.add_argument("-c", "--course", type=str, nargs="+",
                    help="CourseId or recruitAndCourseId, can be found in URL")
parser.add_argument("-v", "--videos", type=str, nargs="+",
                    help="Video IDs(fileId in URL, or, videoId found in API response")
parser.add_argument("-u", "--username", type=str,
                    help="if not set anywhere, will be prompted")
parser.add_argument("-p", "--password", type=str,
                    help="If not set anywhere, will be prompted. Be careful, it will be stored in history")
parser.add_argument("-s", "--speed", type=float,
                    help="Video Play Speed, default value is maximum speed found on site")
parser.add_argument("-t", "--threshold", type=float,
                    help="Video End Threshold, above this will be considered finished, overloaded when there are questions left unanswered")
parser.add_argument("-l", "--limit", type=int, default=0,
                    help="Time Limit (in minutes, 0 for no limit), default is 0")
parser.add_argument("-q", "--qrlogin", action="store_true",
                    help="Use QR Login")
parser.add_argument("-d", "--debug", action="store_true", help="Debug Mode")
parser.add_argument("-f", "--fetch", action="store_true",
                    help="Fetch new course list")
parser.add_argument("--show_in_terminal",
                    action="store_true", help="Show QR in terminal")
parser.add_argument("--proxy", type=str,
                    help="Proxy Config, e.g: http://127.0.0.1:8080")

args = parser.parse_args()

course = args.course
username = args.username or config.username
password = args.password or config.password
qrlogin = args.qrlogin or config.qrlogin or True  # Force enabled for v2.3.*
save_cookies = config.save_cookies or False
qr_extra = config.qr_extra or ObjDict(default=None)
show_in_terminal = args.show_in_terminal or config.qr_extra.show_in_terminal
if show_in_terminal is None:
    # Defaults to terminal in Windows
    show_in_terminal = platform.system() == "Windows"
ensure_unicode = qr_extra.ensure_unicode or False
logger.setLevel("DEBUG" if args.debug else (config.logLevel or "WARNING"))
proxies = config.proxies or {}
pushplus_token = config.pushplus.enable and config.pushplus.token or ""
bark_token = config.bark.enable and config.bark.token or ""

if logger.getLevel() == "DEBUG":
    print("*****************************\n" +
          "DEBUG MODE ENABLED\n" +
          "SENSITIVE DATA WILL BE LOGGED\n" +
          "*****************************\n")

if args.proxy:  # parse proxy
    match args.proxy.lower().split("://"):
        case ["http" | "https", proxy]:
            proxies["http"] = args.proxy
            proxies["https"] = args.proxy
        case ["socks5", proxy]:
            proxies["socks5"] = args.proxy
        case ["all", proxy]:
            proxies["http"] = args.proxy
            proxies["https"] = args.proxy
            proxies["socks5"] = args.proxy
        case [schema]:
            print(f"*Unsupported proxy type: {schema}")
            exit(1)

# check update
with open(getRealPath("meta.json"), "r") as f:
    try:  # some exceptions won't be caught by 'with'
        m = ObjDict(json.load(f))
        url = f"https://raw.githubusercontent.com/{m.author}/fuckZHS/{m.branch}/meta.json"
        r = ObjDict(requests.get(url, proxies=proxies, timeout=5).json())
        current = m.version
        latest = r.version
        if versionCmp(current, latest) < 0:
            print("*********************************\n" +
                  f"New version available: {latest}\n" +
                  f"Current version: {current}\n" +
                  "*********************************\n")
    except Exception:
        print("*Failed to check update\n")

# create an instance, now we are talking... or fucking
fucker = Fucker(proxies=proxies, speed=args.speed,
                end_thre=args.threshold, limit=args.limit, pushplus_token=pushplus_token, bark_token=bark_token)

cookies_path = getRealPath("./cookies.json")
cookies_loaded = False
if save_cookies and os.path.exists(cookies_path):
    with open(cookies_path, 'r') as f:
        raw = f.read() or '{}'
        cookies = json.loads(raw)
    with suppress(Exception):
        fucker.cookies = cookies
        ls = fucker.getZhidaoList()
        if ls:
            fucker.getZhidaoContext(ls[-1].secret)
        ls = fucker.getHikeList()
        if ls:
            fucker.getHikeContext(ls[-1].courseId)
        print("Successfully recovered from saved cookies\n")
        cookies_loaded = True


# first you need to login to get cookies
if not cookies_loaded:
    try:
        if qrlogin:
            callback = partial(
                showImage, show_in_terminal=show_in_terminal, ensure_unicode=ensure_unicode)
            fucker.login(use_qr=True, qr_callback=callback)
        else:
            fucker.login(username, password)
        print("Login Successful\n")
        if save_cookies:
            with open(cookies_path, 'w') as f:
                json.dump(cookie_jar_to_list(fucker.cookies), f,
                          indent=2, ensure_ascii=False)
    except Exception as e:
        print(e)
        exit(1)

# you can add cookies manually by setting cookies property of a Fucker instance
# notice that cookies of zhihuishu.com expires if you login again in somewhere else
# fucker.cookies = {}

exec_list = getRealPath("execution.json")
# fetch course list
if args.fetch:
    with open(exec_list, "w") as f:
        zhidao_ids = [{"name": c.courseName, "id": c.secret}
                      for c in fucker.getZhidaoList()]
        hike_ids = [{"name": c.courseName, "id": str(
            c.courseId)} for c in fucker.getHikeList()]
        json.dump(zhidao_ids + hike_ids, f, indent=4, ensure_ascii=False)
    exit(0)

# get courses from file if not specified
if not course and os.path.isfile(exec_list):
    with open(exec_list, "r") as f:
        try:
            course = [str(c["id"]) for c in json.load(f)]
        except Exception as e:
            print(f"*Failed to load course list from file: {e}")
            exit(1)

# still not found?
if not course:
    fucker.fuckWhatever()
    exit(0)

# auto detect mode
for c in course.copy():
    if args.videos:
        for v in args.videos:
            try:
                fucker.fuckVideo(course_id=c, video_id=v)
                print(f"fucked {v}")
                args.videos.remove(v)
            except Exception:
                pass
    else:
        try:
            fucker.fuckCourse(course_id=c)
            course.remove(c)
        except Exception as e:
            logger.exception(e)
            print(f"Error when fucking course {c}:\n{e}")
if args.videos:
    print(f"*the following videos are not fucked: {args.videos}")

# use fuckCourse method to fuck the entire course
# fucker.fuckCourse(course_id="")

# or if you want to fuck a video, use fuckVideo method
# fucker.fuckVideo(course_id="", file_id="")

# check the source code or README to find more info