from typing import Optional
from aiohttp import ClientSession, ClientTimeout, FormData
import traceback
import logging
import random
import os
import magic

"""
Catbox Uploader (Async)
"""

catbox_api_url: str = "https://catbox.moe/user/api.php"
http_headers: dict[str, str] = {
    "accept": "*/*",
    "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36 Edg/101.0.1210.53",
    "Accept-Language": "en-US,en;q=0.9,it;q=0.8,es;q=0.7",
    "referer": "https://www.google.com/",
    "cookie": "DSID=AAO-7r4OSkS76zbHUkiOpnI0kk-X19BLDFF53G8gbnd21VZV2iehu-w_2v14cxvRvrkd_NjIdBWX7wUiQ66f-D8kOkTKD1BhLVlqrFAaqDP3LodRK2I0NfrObmhV9HsedGE7-mQeJpwJifSxdchqf524IMh9piBflGqP0Lg0_xjGmLKEQ0F4Na6THgC06VhtUG5infEdqMQ9otlJENe3PmOQTC_UeTH5DnENYwWC8KXs-M4fWmDADmG414V0_X0TfjrYu01nDH2Dcf3TIOFbRDb993g8nOCswLMi92LwjoqhYnFdf1jzgK0",
}


class CatboxAsync:
    def __init__(self) -> None:
        self.catbox_api_url = catbox_api_url
        self.headers = http_headers

    def generateRandomFileName(self, fileExt: Optional[str] = None) -> str:
        """
        Generate random file name

        Args:
            fileExt (Optional[str]): File extension to use for naming
        Returns:
            str
        """
        if not fileExt:
            fileExt = "png"
        return f"{random.getrandbits(32)}.{fileExt}"

    async def upload(self, file: str) -> Optional[str]:
        """
        Upload file to catbox

        Args:
            file (str): Path of file to be uploaded
        Returns:
            str
        """
        try:
            if not file:
                return None
            if not (os.path.exists(file)):
                logging.critical("Could not find %s", file)
                return None

            fileExt: Optional[str] = None
            if file.find(".") > 0:
                fileExt = "".join(file.split(".")[-1:])

            with open(file, "rb") as fileContents:
                post_data: FormData = FormData()
                post_data.add_field(name="reqtype", value="fileupload")
                post_data.add_field(name="userhash", value="")
                with magic.Magic(flags=magic.MAGIC_MIME) as m:
                    content_type = m.id_filename(file)
                    post_data.add_field(
                        name="fileToUpload",
                        value=fileContents,
                        filename=self.generateRandomFileName(fileExt),
                        content_type=content_type,
                    )
                async with ClientSession() as session:
                    async with await session.post(
                        self.catbox_api_url,
                        headers=self.headers,
                        data=post_data,
                        timeout=ClientTimeout(connect=10, sock_read=10),
                    ) as request:
                        request.raise_for_status()
                        return await request.text()
        except:
            traceback.print_exc()
            return None
        finally:
            try:
                fileContents.close()
            except:
                return None