import random
from typing import Set
import os
from dotenv import load_dotenv

load_dotenv()
MUMBLE_URL = os.getenv('MUMBLE_BOT_MUMBLE_URL')

def fmt_list(users: Set[str], bold=True):
    if bold:
        users = [f'*{user}*' for user in users]
    else:
        users = list(users)
    if len(users) == 1:
        return users[0]
    return ', '.join(users[:-1]) + f' and {users[-1]}'

def fmt1(users):
    return "→ {users} just hopped in Mumble ←\nTalk tuah 🗣️ us at {url} 💦️".format(
        users=fmt_list(users),
        url=MUMBLE_URL
    )

def fmt2(users):
    return """
→ {users} just joined Mumble ←
Yap 🗣️ with us at {url} 🐧️‼️
""".format(users=fmt_list(users), url=MUMBLE_URL)

def fmt3(users):
    return """
ZOMG!!!1
{users} just showed up in teh Mumble servar xD
^_^ Talk with us on the 'net at: {url} ✩‧₊˚
""".format(users=fmt_list(users), url=MUMBLE_URL)

def fmt4(users):
    return """
`>be me`
`>want to vc with my linux friends`
`>notice that {users} just joined Mumble`
`>log on at {url}`
`>feelsgoodman.jpg`
""".format(users=fmt_list(users, bold=False), url=MUMBLE_URL)

def fmt5(users):
    return """
🇺🇸 IMPORTANT GOVERNMENT ALERT 🇺🇸️
The President urgently needs to speak with you on Mumble. Our freedom is at stake.
{users} just joined the server. Are YOU brave enough to go with them? 🫡️
🦅 ALL PATRIOTS GO: {url} 🦅
""".format(users=fmt_list(users), url=MUMBLE_URL)

def fmt6(users):
    return """
{users} just joined Mumble.
Last one to join is gay!!! 🏳️‍🌈️
🐧️🌈️ {url}""".format(users=fmt_list(users), url=MUMBLE_URL)

def fmt7(users):
    return """
{users} joined the Mumble server: {url}.
Let's get as many Bruins in Mumble as possible. Only U$C 🟥️🟨️ 🤑️ uses proprietary software like Di$cord 🤢️.
U-C-L-A FIGHT FIGHT FIGHT!
🐧️ 💙️🐻️💛️ 🎓️
{url}
""".format(users=fmt_list(users), url=MUMBLE_URL)

NOTIFICATION_TEMPLATE_FUNCS = [fmt1, fmt2, fmt3, fmt4, fmt5, fmt6, fmt7]


def decorate_message(users: Set[str]) -> str:
    func = random.choice(NOTIFICATION_TEMPLATE_FUNCS)
    return func(users)