#!/opt/alt/python37/bin/python3 -bb
# -*- coding: utf-8 -*-

# clwposcron Utility to scan domains for Cloudlinux WPOS requirements by cron
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2021 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

# pylint: disable=no-absolute-import

# import sys
import os
import time
import subprocess


class CloudlinuxWposReqScanner(object):
    """
    Class for run clwposcron functionality
    """
    TIMEOUT_24H_SECONDS = 24 * 3600

    def __init__(self):
        self._file_flag_force_check = '/var/lve/clwpos/cl_wpos_scan_req_force'
        self._scan_req_scan_last_ts = '/var/lve/clwpos/cl_wpos_scan_req_last_ts'

    def run(self):
        """
        Run command action
        """
        if not os.path.exists(self._file_flag_force_check):
            # force start flag file absent, check 24h timeout
            ts_now = time.time()
            if os.path.exists(self._scan_req_scan_last_ts):
                try:
                    with open(self._scan_req_scan_last_ts, 'r') as f:
                        s_last_ts = f.read()
                    last_ts = float(s_last_ts)
                except (OSError, IOError, ValueError):
                    last_ts = 0
                if ts_now - last_ts < self.TIMEOUT_24H_SECONDS:
                    # 24h not passed from last run this script - do nothing
                    return
                # timestamp file old/absent, create it
                with open(self._scan_req_scan_last_ts, 'w') as f:
                    f.write(str(ts_now))
        else:
            # Force start
            try:
                os.remove(self._file_flag_force_check)
            except (OSError, IOError):
                pass
        # Run file generation
        # TODO: Remove try/except in LU-2453
        try:
            # /usr/bin/clwpos-admin generate-report --all --quiet
            subprocess.Popen(['/usr/bin/clwpos-admin', 'generate-report', '--all', '--quiet'],
                             shell=False,
                             stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        except (OSError, IOError):
            pass
        return 0