import asyncio
from pathlib import Path

from discord import Intents
from discord.ext import commands
from discord.utils import find
from jarvis import logo, tasks, utils
from jarvis.config import get_config
from jarvis.db import DBManager
from jarvis.events import guild, member, message
from psutil import Process

from discord_slash import SlashCommand

if asyncio.get_event_loop().is_closed():
    asyncio.set_event_loop(asyncio.new_event_loop())

intents = Intents.default()
intents.members = True
restart_ctx = None


jarvis = commands.Bot(
    command_prefix=utils.get_prefix, intents=intents, help_command=None
)
slash = SlashCommand(jarvis, sync_commands=True, sync_on_cog_reload=True)
jarvis_self = Process()
__version__ = "1.8.1"


db = DBManager(get_config().mongo).mongo
jarvis_db = db.jarvis


@jarvis.event
async def on_ready():
    global restart_ctx
    print("    Logged in as {0.user}".format(jarvis))
    print("    Connected to {} guild(s)".format(len(jarvis.guilds)))
    with jarvis_self.oneshot():
        print(f"    Current PID: {jarvis_self.pid}")
        Path(f"jarvis.{jarvis_self.pid}.pid").touch()
    if restart_ctx:
        channel = None
        if "guild" in restart_ctx:
            guild = find(lambda x: x.id == restart_ctx["guild"], jarvis.guilds)
            if guild:
                channel = find(
                    lambda x: x.id == restart_ctx["channel"], guild.channels
                )
        elif "user" in restart_ctx:
            channel = jarvis.get_user(restart_ctx["user"])
        if channel:
            await channel.send("Core systems restarted and back online.")
        restart_ctx = None


def run(ctx=None):
    global restart_ctx
    if ctx:
        restart_ctx = ctx
    for extension in utils.get_extensions():
        jarvis.load_extension(extension)
    config = get_config()
    print(
        "    https://discord.com/api/oauth2/authorize?client_id="
        + "{}&permissions=8&scope=bot%20applications.commands".format(
            config.client_id
        )
    )

    jarvis.max_messages = config.max_messages
    tasks.init()

    # Add event listeners
    listeners = [
        guild.GuildEventHandler(jarvis),
        member.MemberEventHandler(jarvis),
        message.MessageEventHandler(jarvis),
    ]

    jarvis.run(config.token, bot=True, reconnect=True)
    for cog in jarvis.cogs:
        session = getattr(cog, "_session", None)
        if session:
            session.close()
    if restart_ctx:
        return restart_ctx