import sys
from bot import aria2, LOGGER, DOWNLOAD_DIR
import shutil
import os
import pathlib
import magic
import tarfile
from .exceptions import NotSupportedExtractionArchive


def clean_download(path: str):
    if os.path.exists(path):
        LOGGER.info(f"Cleaning download: {path}")
        shutil.rmtree(path)


def start_cleanup():
    try:
        shutil.rmtree(DOWNLOAD_DIR)
    except FileNotFoundError:
        pass


def clean_all():
    aria2.remove_all(True)
    shutil.rmtree(DOWNLOAD_DIR)


def exit_clean_up(signal, frame):
    try:
        LOGGER.info("Please wait, while we clean up the downloads and stop running downloads")
        clean_all()
        sys.exit(0)
    except KeyboardInterrupt:
        LOGGER.warning("Force Exiting before the cleanup finishes!")
        sys.exit(1)


def get_path_size(path):
    if os.path.isfile(path):
        return os.path.getsize(path)
    total_size = 0
    for root, dirs, files in os.walk(path):
        for f in files:
            abs_path = os.path.join(root, f)
            total_size += os.path.getsize(abs_path)
    return total_size


def tar(org_path):
    tar_path = org_path + ".tar"
    path = pathlib.PurePath(org_path)
    LOGGER.info(f'Tar: orig_path: {org_path}, tar_path: {tar_path}')
    tar = tarfile.open(tar_path, "w")
    tar.add(org_path, arcname=path.name)
    tar.close()
    return tar_path


def get_base_name(orig_path: str):
    if orig_path.endswith(".tar.bz2"):
        return orig_path.replace(".tar.bz2", "")
    elif orig_path.endswith(".tar.gz"):
        return orig_path.replace(".tar.gz", "")
    elif orig_path.endswith(".bz2"):
        return orig_path.replace(".bz2", "")
    elif orig_path.endswith(".gz"):
        return orig_path.replace(".gz", "")
    elif orig_path.endswith(".tar"):
        return orig_path.replace(".tar", "")
    elif orig_path.endswith(".tbz2"):
        return orig_path.replace("tbz2", "")
    elif orig_path.endswith(".tgz"):
        return orig_path.replace(".tgz", "")
    elif orig_path.endswith(".zip"):
        return orig_path.replace(".zip", "")
    elif orig_path.endswith(".7z"):
        return orig_path.replace(".7z", "")
    elif orig_path.endswith(".Z"):
        return orig_path.replace(".Z", "")
    elif orig_path.endswith(".rar"):
        return orig_path.replace(".rar", "")
    else:
        raise NotSupportedExtractionArchive('File format not supported for extraction')


def get_mime_type(file_path):
    mime = magic.Magic(mime=True)
    mime_type = mime.from_file(file_path)
    mime_type = mime_type if mime_type else "text/plain"
    return mime_type