# -*- coding: iso-8859-1 -*-
"""This application requests mods from the Steam workshop
and posts them to Discord webhooks.
Abgekupfert von: https://github.com/robojumper/steam_workshop_discord"""
import datetime
import hashlib
import json
import os
import re
import sys
import requests
import toml
from steam import webapi
import logging
from appdirs import AppDirs
from time import time


# Set to true to not post. Useful for migrating from an earlier version of the
# script without posting
# WEBapi Key = E1DB8AC0D6D2BA5461EEEF229FEB8A21
# Beispiel GameId (Dont Starve Together) = 322330

# Vorlage für benötigte API Calls:
## Subscribe
#steamctl webapi call --method=POST IPublishedFileService.Subscribe list_type=1 publishedfileid=<workshop id>
#webapi call --method=POST IPublishedFileService.Subscribe list_type=1 publishedfileid=2798599672
## Unsubscribe
#steamctl webapi call --method=POST IPublishedFileService.Unsubscribe list_type=1 publishedfileid=<workshop id>

## Favorite
#steamctl webapi call --method=POST IPublishedFileService.Subscribe list_type=2 publishedfileid=<workshop id>
## Unfavorite
#steamctl webapi call --method=POST IPublishedFileService.Unsubscribe list_type=2 publishedfileid=<workshop id>


LOG = logging.getLogger(__name__)
_appdirs = AppDirs("SteamModManager")

def ensure_dir(path, mode=0o750):
    dirpath = os.path.dirname(path)

    if not os.path.exists(dirpath):
        LOG.debug("Making dirs: %s", dirpath)
        os.makedirs(dirpath, mode)

def normpath(path):
    if os.sep == '/':
        path = path.replace('\\', '/')
    return os.path.normpath(path)

class FileBase(object):
    _root_path = None

    def __init__(self, relpath, mode='r'):
        self.mode = mode
        self.relpath = relpath
        self.path = normpath(os.path.join(self._root_path, relpath))
        self.filename = os.path.basename(self.path)

    def __repr__(self):
        return "%s(%r, mode=%r)" % (
            self.__class__.__name__,
            self.relpath,
            self.mode,
            )

    def exists(self):
        return os.path.exists(self.path)

    def mkdir(self):
        ensure_dir(self.path, 0o700)

    def older_than(self,seconds=0, minutes=0, hours=0, days=0):
        delta = seconds + (minutes*60) + (hours*3600) + (days*86400)
        ts = os.path.getmtime(self.path)
        return ts + delta > time()

    def open(self, mode):
        LOG.debug("Opening file (%s): %s", mode, self.path)
        self.mkdir()
        return open(self.path, mode)

    def read_text(self):
        if self.exists():
            with self.open('r') as fp:
                return fp.read()

    def write_text(self, data):
        with self.open('w') as fp:
            fp.write(data)

    def read_json(self):
        if self.exists():
            with self.open('r') as fp:
                return json.load(fp)

    def write_json(self, data, pretty=True):
        with self.open('w') as fp:
            if pretty:
                json.dump(data, fp, indent=4, sort_keys=True)
            else:
                json.dump(data, fp)

    def remove(self):
        LOG.debug("Removing file: %s", self.path)

        if self.exists():
            os.remove(self.path)

    def secure_remove(self):
        LOG.debug("Securely removing file: %s", self.path)

        if self.exists():
            with open(self.path, 'r+b') as fp:
                size = fp.seek(0, 2)

                fp.seek(0)
                chunk = b'0' * 4096

                while fp.tell() + 4096 < size:
                    fp.write(chunk)
                fp.write(chunk[:max(size - fp.tell(), 0)])

                fp.flush()
                os.fsync(fp.fileno())

            os.remove(self.path)

    def __enter__(self):
        self._fp = self.open(self.mode)
        return self._fp

    def __exit__(self, exc_type, exc_value, traceback):
        self._fp.close()

class UserDataFile(FileBase):
    _root_path = _appdirs.user_data_dir

class UserCacheFile(FileBase):
    _root_path = _appdirs.user_cache_dir

CONFIG = toml.load(open('config.toml'))
WEBKEY = CONFIG["config"]["webkey"]

class Namespace:
    def __init__(self, **kwargs):
        self.__dict__.update(kwargs)


def subscribeToMod(args):    
    # load key=value pairs. Stuff thats start with [ is a list, so parse as json
    try:
        params = {k: (json.loads(v) if v[0:1] == '[' else v) for k, v in args.params}
    except Exception as exp:
        LOG.error("Error parsing params: %s", str(exp))
        return 1  # error

    apicall = webapi.get
    version = args.version or 1

    if args.method == 'POST':
        apicall = webapi.post

    webapi_map = {}

    # load cache webapi_interfaces if available
    for interface in (UserCacheFile('webapi_interfaces.json').read_json() or {}):
        for method in interface['methods']:
            key = "{}.{}".format(interface['name'], method['name'])

            if key not in webapi_map or webapi_map[key][1] < method['version']:
                webapi_map[key] = method['httpmethod'], method['version']

    # if --method or --version are unset, take them the cache
    # This will the call POST if needed with specifying explicity
    # This will prever the highest version of a method
    if args.endpoint in webapi_map:
        if args.method is None:
            if webapi_map[args.endpoint][0] == 'POST':
                apicall = webapi.post
        if args.version is None:
            version = webapi_map[args.endpoint][1]

    # drop reserved words. these have special meaning for steam.webapi
    for reserved in ('key', 'format', 'raw', 'http_timeout', 'apihost', 'https'):
        params.pop(reserved, None)

    # load key if available
    params.setdefault('key', WEBKEY)

    if args.format !='text':
        params['format'] = 'json' if args.format == 'json_line' else args.format
        params['raw'] = True

    try:
        interface, method = args.endpoint.split('.', 1)
        resp = apicall(interface, method, version,  params=params)
    except Exception as exp:
        LOG.error("%s failed: %s", args.endpoint, str(exp))
        if getattr(exp, 'response', None):
            LOG.error("Response body: %s", exp.response.text)
        return 1  # error

    # by default we print json, other formats are shown as returned from api
    if args.format == 'json':
        json.dump(json.loads(resp.rstrip('\n\t\x00 ')), sys.stdout, indent=4, sort_keys=True)
        print('')
    else:
        print(resp)
    version = 1

if __name__ == "__main__":
    
    ns = Namespace(versions_report=None, 
                log_level='info', 
                anonymous=False, 
                user=None, 
                command='webapi', 
                #_cmd_func='steamctl.commands.webapi.cmds:cmd_webapi_call', 
                subcommand='call', 
                apikey=None, 
                format='json',
                method='POST', 
                version=None, 
                endpoint='IPublishedFileService.Unsubscribe', 
                params=[['list_type', '1'], ['publishedfileid', '2798599672']])
    subscribeToMod(ns)