#!/usr/bin/env python3
from bottle import route, run, static_file, template
from os import listdir
from os.path import join as pathjoin
from random import random, choice
from mcrcon import MCRcon
import configparser
import requests
import hashlib
import base64
import json
import re

# echo -n "["; ls | xargs -I{} echo -n \"{}\",; echo "]"
BG_IMAGES = listdir("./static/img/background")

news = """
=== 2021-03-24 ===
* TestABC
* FooBar

=== 2020-xx-xx ===
* Map now available
"""

@route("/")
def index():
    players = currentPlayerData()
    return template("html/index.html", **{"player_count": players["count"]["current"] , "max_players": players["count"]["max"], "news": news})

@route("/getPlayerSkins")
def getPlayerSkins():
    players = currentPlayerData()
    skins = []
    for p in players["players"]:
        hash = fetchSkin(p["uuid"])
        skins.append(hash)
    return {"skins": skins}

@route("/img/bg.png")
def random_bg_image():
    bg_file = choice(BG_IMAGES)
    print(bg_file)
    response = static_file(bg_file, root="static/img/background")
    response.set_header("Cache-Control", "no-cache")
    response.set_header("Cache-Control", "no-store")
    response.set_header("Pragma-Directive", "no-cache")
    response.set_header("Cache-Directive", "no-cache")
    response.set_header("Pragma", "no-cache")
    response.set_header("Expires", "0")
    return response

@route("/<path:path>")
def callback(path):
    return static_file(path, root="static")

def currentPlayerData():
    player = {}
    with MCRcon(CONFIG["mcrcon"]["host"], CONFIG["mcrcon"]["password"], port=int(CONFIG["mcrcon"]["port"])) as mcr:
        resp = mcr.command("list uuids")
    resp = resp.split(":")
    player_string = resp[1].strip()
    if player_string != "":
        player_list = player_string.split(",")
    else:
        player_list = []
    player_list = list(map(lambda x: x.strip(), player_list))
    count_regex = re.match("There are ([0-9]+) of a max of ([0-9]+) players online", resp[0])
    num_players = count_regex.group(1)
    max_players = count_regex.group(2)

    player["count"] = {}
    player["count"]["current"] = num_players
    player["count"]["max"] = max_players
    player["players"] = []
    for p in player_list:
        data = p.split(" ")
        name = data[0].strip()
        uuid = data[1].strip().replace("(", "").replace(")", "")
        player["players"].append({"name": name, "uuid": uuid})
    return player

def fetchSkin(uuid):
    profile = requests.get("https://sessionserver.mojang.com/session/minecraft/profile/{}".format(uuid)).json()
    properties = profile.get("properties")
    skin = list(filter(lambda x: x.get("name", "") == "textures", properties))[0]
    skin_json = json.loads(base64.b64decode(skin.get("value")))
    skin_url = skin_json.get("textures").get("SKIN").get("url")
    skin_req = requests.get(skin_url)
    player_hash = hashlib.sha256(uuid.encode()).hexdigest()
    with open('./static/img/skins/{}'.format(player_hash), 'wb') as f:
        f.write(skin_req.content)
    return player_hash

def parseConfig():
    config = configparser.ConfigParser()
    config.read("config.ini")
    return config

CONFIG = parseConfig()
run(host="localhost", port=8080)