#!/usr/bin/env python3

import argparse
import database
import time
import os

if __name__ == '__main__':

    # Parsing arguments
    parser = argparse.ArgumentParser(
        description="Database operations")
    parser.add_argument(
        '-i', '--initialize', action='store_true',
        help="Reconstruct the whole database")
    parser.add_argument(
        '-p', '--prune', action='store_true',
        help="Remove old entries from database")
    parser.add_argument(
        '-b', '--prune-base', action='store_true',
        help="With --prune, only prune base rules "
        "(the ones added by ./feed_rules.py)")
    parser.add_argument(
        '-s', '--prune-before', type=int,
        default=(int(time.time()) - 60*60*24*31*6),
        help="With --prune, only rules updated before "
        "this UNIX timestamp will be deleted")
    parser.add_argument(
        '-r', '--references', action='store_true',
        help="DEBUG: Update the reference count")
    args = parser.parse_args()

    if not args.initialize:
        DB = database.Database()
    else:
        if os.path.isfile(database.Database.PATH):
            os.unlink(database.Database.PATH)
        DB = database.Database()

    DB.enter_step('main')
    if args.prune:
        DB.prune(before=args.prune_before, base_only=args.prune_base)
    if args.references:
        DB.update_references()

    DB.save()