import httpx
import os
import Utils
import hashlib


class FileCache:

    def __init__(self, link, ext):
        self.link = link
        path = os.path.expanduser("~") + "/.config/inomnibus/file_cache/"
        h = hashlib.sha1()
        h.update(self.link.encode())
        self.file_path = path + h.hexdigest() + "." + ext

    def download(self):
        try:
            file = httpx.get(self.link, follow_redirects=True)
            open(self.file_path, "wb").write(file.content)
            return self.file_path
        except BaseException as e:
            Utils.writeLog(str(e))
            return None

    def fetch(self):
        if os.path.isfile(self.file_path):
            return self.file_path
        else:
            return self.download()