from typing import Optional

from driver.core import user
from pyrogram.raw.functions.channels import GetFullChannel
from pyrogram.raw.functions.messages import GetFullChat
from pyrogram.types import Message
from pyrogram.raw.types import (
    InputGroupCall,
    InputPeerChannel,
    InputPeerChat,
)


async def get_calls(m: Message, err_msg: str = "") -> Optional[InputGroupCall]:
    chat_peer = await user.resolve_peer(m.chat.id)
    if isinstance(chat_peer, (InputPeerChannel, InputPeerChat)):
        if isinstance(chat_peer, InputPeerChannel):
            full_chat = (await user.send(GetFullChannel(channel=chat_peer))).full_chat
        elif isinstance(chat_peer, InputPeerChat):
            full_chat = (
                await user.send(GetFullChat(chat_id=chat_peer.chat_id))
            ).full_chat
        if full_chat is not None:
            return full_chat.call
    await message.err(f"❌ no group calls found\n\n» `{err_msg}`")
    return False


def bytes(size: float) -> str:
    if not size:
        return ""
    power = 1024
    t_n = 0
    power_dict = {0: " ", 1: "Ki", 2: "Mi", 3: "Gi", 4: "Ti"}
    while size > power:
        size /= power
        t_n += 1
    return "{:.2f} {}B".format(size, power_dict[t_n])