import math
import os

from PIL import Image
from pyrogram import Client, raw
from pyrogram.file_id import FileId
# ------------------
STICKER_DIMENSIONS = (512, 512)

# -------------------
async def resize_file_to_sticker_size(file_path: str) -> str:
    im = Image.open(file_path)
    if (im.width, im.height) < STICKER_DIMENSIONS:
        size1 = im.width
        size2 = im.height
        if im.width > im.height:
            scale = STICKER_DIMENSIONS[0] / size1
            size1new = STICKER_DIMENSIONS[0]
            size2new = size2 * scale
        else:
            scale = STICKER_DIMENSIONS[1] / size2
            size1new = size1 * scale
            size2new = STICKER_DIMENSIONS[1]
        size1new = math.floor(size1new)
        size2new = math.floor(size2new)
        sizenew = (size1new, size2new)
        im = im.resize(sizenew)
    else:
        im.thumbnail(STICKER_DIMENSIONS)
    try:
        os.remove(file_path)
        file_path = f"{file_path}.png"
        return file_path
    finally:
        im.save(file_path)


async def upload_document(
    client: Client, file_path: str, chat_id: int
) -> raw.base.InputDocument:
    media = await client.invoke(
        raw.functions.messages.UploadMedia(
            peer=await client.resolve_peer(chat_id),
            media=raw.types.InputMediaUploadedDocument(
                mime_type=client.guess_mime_type(file_path)
                or "application/zip",
                file=await client.save_file(file_path),
                attributes=[
                    raw.types.DocumentAttributeFilename(
                        file_name=os.path.basename(file_path)
                    )
                ],
            ),
        )
    )
    return raw.types.InputDocument(
        id=media.document.id,
        access_hash=media.document.access_hash,
        file_reference=media.document.file_reference,
    )


async def get_document_from_file_id(
    file_id: str,
) -> raw.base.InputDocument:
    decoded = FileId.decode(file_id)
    return raw.types.InputDocument(
        id=decoded.media_id,
        access_hash=decoded.access_hash,
        file_reference=decoded.file_reference,
    )