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#!/usr/bin/env python3

from flask import Flask, flash, redirect, render_template, request, session, url_for

# from wsgiref.util import setup_testing_defaults
from collections import OrderedDict

import json
import os
import re
import sys
import time, datetime
# import traceback

from SteamAPI import SteamAPI
from QueryServer import QueryServer

# Set some directories
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
TEMPLATES = os.path.join(THIS_DIR, 'templates')
ASSETS = os.path.join(THIS_DIR, 'assets')
CONFIG = os.path.join(THIS_DIR, 'config')

app = Flask(__name__)
steam = None
with open(os.path.join(CONFIG, 'secrets.json'), 'rt') as secretjson:
    secrets = json.load(secretjson)
    app.secret_key = secrets["flask_secret"]
    steam = SteamAPI(secrets["steam_token"])

##################################################
## Helper functions
##################################################

intervals = (
    ('w',   604800), # 60 * 60 * 24 * 7
    ('d',    86400),  # 60 * 60 * 24
    ('h',   3600),   # 60 * 60
    ('m', 60),
    ('s', 1),
    )

def display_time(seconds, granularity=2):
    result = []
    for name, count in intervals:
        value = seconds // count
        if value:
            seconds -= value * count
            if value == 1:
                name = name.rstrip('s')
            result.append("{}{}".format(int(value), name))
    return ' '.join(result[:granularity])

def grepSteamids(text):
    steamids = []
    SteamIDfromText = re.findall(r'STEAM_\d:(\d):(\d+)', text)
    for steamid in SteamIDfromText:
        steam64id = 76561197960265728 + int(steamid[0]) + (int(steamid[1]) * 2)
        steamids.append(steam64id)
    return steamids

##################################################
## Functions for different pages
##################################################

@app.route("/")
def main():
    return redirect(url_for('lobby'))

@app.errorhandler(404)
def not_found(e):
    return render_template('error.jinja', error = 'Die angeforderte Seite konnte nicht gefunden werden.')

@app.route("/lobby")
def lobby():
    steamids = dict()
    friends = request.args.get('friends')

    if friends:
        for steamid in friends.split(','):
            for friend in steam.getFriends(steamid):
                if friend not in steamids:
                    steamids[friend] = {}
    else:
        # Load config (steamids, names)
        with open(os.path.join(CONFIG, 'lobby.json'), 'rt') as config:
            steamids = json.load(config)

    profiledata = steam.getProfiles(steamids.keys())

    # Merge new data in loaded config
    for steamid in profiledata:
        if steamid not in steamids:
            continue
        for key, value in profiledata[steamid].items():
            steamids[steamid][key] = value

    serverinfo = dict()
    for steamid, playerdata in steamids.items():
        if 'gameid' not in playerdata \
                or 'gameserverip' not in playerdata:
                    continue
        if ':' not in playerdata['gameserverip']:
            continue
        gameserver = playerdata['gameserverip']
        if gameserver not in serverinfo:
            ip, port = gameserver.split(':')
            port = int(port)
            gameid = playerdata['gameid']
            print('Query Server:', ip, port, gameid)
            server = QueryServer.QueryServer(ip, port, gameid)
            print('Response:', server)
            if server:
                serverinfo[gameserver] = server

    # Sort steamids to be more appealing
    steamids = OrderedDict(sorted(steamids.items(), key = lambda player: player[1]['personaname'].lower()))
    steamids = OrderedDict(sorted(steamids.items(), reverse=True, key = lambda player: int(player[1]['lastlogoff'])))
    steamids = OrderedDict(sorted(steamids.items(), key = lambda player: (player[1]['personastate'] > 0) and player[1]['personastate'] or 10))
    steamids = OrderedDict(sorted(steamids.items(), key = lambda player: ('gameextrainfo' in player[1] and player[1]['gameextrainfo'].lower() or "zzz")))

    return render_template('lobby_html.jinja',
        steamids = steamids,
        serverinfo = serverinfo,
        states = ['Offline', 'Online', 'Busy', 'Away', 'Snooze', 'Looking to trade', 'Looking to play'],
        display_time = display_time,
        current_time = time.time())

@app.route("/premadefinder", methods=['GET', 'POST'])
def premades():
    steamids    = []
    profiles    = dict()
    connections = set()

    if request.method == 'POST':
        postdata = request.form['statustext']

        steamids = grepSteamids(postdata)
        steamids = [str(x) for x in steamids]
        if len(steamids) > 50:
            return render_template(
                'error.jinja',
                error='Es sind maximal 50 Steamids erlaubt.'
            )

        # Ask steam about profiles
        profiles = steam.getMultipleFriends(steamids)

        # Add connection between friends.
        # Friends are always bidirectional, so we use set and min/max to avoid duplicates
        for steamid in steamids:
            for friend in profiles[steamid]['friends']:
                if friend in steamids:
                    friend_a = min(steamid, friend)
                    friend_b = max(steamid, friend)
                    connections.add((friend_a, friend_b))

    return render_template('premades_html.jinja',
            steamids=steamids,
            profiles=profiles,
            connections=connections
            )

if __name__ == '__main__':
    # print(steam.getFriends("76561197963063991"))
    # print(steam.getFriends("76561197963882989"))
    app.run(threaded=True)

# Changelog
###########
# Internals changed to use Flask framework
# Some design changes
# ?friends=steamid,steamid,...