import discord
import logging
import aiohttp
from os import listdir
from os.path import splitext, basename
from urllib.parse import urlparse
from asyncio import Lock

def url(str):
    try:
        parse = urlparse(str)
        if not parse.scheme or not parse.netloc or not parse.path:
            return None
        return parse
    except:
        return None

def checkext(str):
    return splitext(basename(str))[1] in [".png", ".jpg", ".jpeg"]

class Client(discord.Client):
    async def on_ready(self):
        print("Logged on as", self.user)
        self.emoji_lock = Lock()

    async def on_message(self, message):
        if message.author == self.user:
            return

        if message.channel.name != "suggestions":
            return

        lowermsg = message.content.lower()
        if "why" in lowermsg and ("happening" in lowermsg or "habbening" in lowermsg):
            await message.channel.send("https://i.imgur.com/SFRw7aJ.png")  # seedot.png

        name = None
        image_name = None
        image = None

        remove = []

        if message.attachments:
            for attach in message.attachments:
                if not checkext(attach.url):
                    continue
                image_name = splitext(attach.filename.replace(" ", "_"))[0]
                image = attach.url
                break

        for part in message.content.split():
            if not name and part[0] == ":" and part[-1] == ":":
                name = part[1:-1]
            elif part.startswith("<:") and part.endswith(">") and len(part) >= 20 and part[-20] == ":":
                if not name:
                    name = part[2:-20]
                try:
                    remove.append(int(part[-19:-1]))
                except:
                    pass
            elif not image:
                parsed = url(part)
                if not parsed or not checkext(parsed.path):
                    continue
                image_name = splitext(basename(parsed.path))[0]
                image = part

        async with self.emoji_lock:
            for emoji in message.guild.emojis:
                if len(message.guild.emojis) <= 35:
                    break
                if emoji.id in remove:
                    try:
                        print("<DEL EMOJI>", emoji.name + ":", emoji.id)
                        await emoji.delete()
                        print("[DEL EMOJI]", emoji.name + ":", emoji.id)
                    except:
                        pass

        if not image:
            return

        if not name:
            name = image_name

        if len(name) > 32 or len(name) < 2:
            await message.add_reaction("⁉")
            return

        try:
            async with aiohttp.ClientSession() as session:
                async with session.get(image) as resp:
                    if resp.content_type not in ["image/png", "image/jpeg"]:
                        return
                    image_data = bytes()
                    while True:
                        new_data = await resp.content.read(1024)
                        if not new_data:
                            break
                        image_data += new_data
                        if len(image_data) >= 256 * 1024:
                            await message.add_reaction("⁉")
                            return

            async with self.emoji_lock:
                if len(message.guild.emojis) >= 50:
                    emoji = sorted(message.guild.emojis, key=lambda x: x.created_at)[0]
                    try:
                        print("<DEL EMOJI>", emoji.name + ":", emoji.id)
                        await emoji.delete()
                        print("[DEL EMOJI]", emoji.name + ":", emoji.id)
                    except:
                        pass

            print("<NEW EMOJI>", name + ":", image)
            ret = await message.guild.create_custom_emoji(name=name, image=image_data)
            if not isinstance(ret, int):
                print("[NEW EMOJI]", name + ":", image)
            else:
                time = "%d minutes and %d seconds" % (ret / 1000 / 60, ret / 1000 % 60)
                print("[RATE LIMIT] Wait", time)
                await message.channel.send("We're being rate limited for %s 😔" % time)
        except:
            await message.add_reaction("⁉")
            raise

logging.basicConfig(level=logging.WARNING)
client = Client()
client.run(open("token").read().strip())