"""
Contains Arch class
"""

from datetime import datetime, timedelta
import requests
from distro import Distro
from shared import CSC_MIRROR

class Arch(Distro):
    """Arch class"""
    @staticmethod
    def name():
        """Get name of Arch"""
        return "Arch"

    @staticmethod
    def check():
        """Check if Arch packages are up-to-date"""
        arch_json = requests.get("https://archlinux.org/mirrors/status/json/").json()
        last_check_str = arch_json["last_check"]
        last_sync_str = [url for url in arch_json["urls"] if url["url"] == \
                         f"{CSC_MIRROR}archlinux/"][0]["last_sync"]
        last_check_dt = datetime.strptime(last_check_str, "%Y-%m-%dT%H:%M:%S.%fZ")
        last_sync_dt = datetime.strptime(last_sync_str, "%Y-%m-%dT%H:%M:%SZ")
        # According to https://archlinux.org/mirrors/status/:
        # Due to the timing of mirror checks, any value under one hour should be viewed as ideal
        return last_check_dt < last_sync_dt + timedelta(hours = 1)