#!/usr/bin/perl

use strict;
use warnings;

my $DRY_RUN = 1;

if ( defined $ARGV[0] && $ARGV[0] eq "--run" ) {
	$DRY_RUN = 0;
}

sub find_bin($) {
	my $bin_name = shift;
	my $bin_path = `which $bin_name`;
	chomp $bin_path;
	if ( ! defined $bin_path || $bin_path eq "" ) {
		print("Couldn't find $bin_name\n");
		exit 1;
	}

	return $bin_path;
}

my $RBIN = find_bin("rclone");

my $RPATH = "spw-b2:spw01Backups1/spwbk-site-backups/";

my $DBIN = find_bin("date");

my $DATE = `$DBIN +%Y%m%d`;
chomp $DATE;

foreach my $file ( split("\n", `$RBIN ls $RPATH | awk \'{print \$2}\'`) ) {
	if ( $file =~ m/bk_([0-9]{4}-[0-9]{2}-[0-9]{2})/ ) {
		my $file_date = $1;
		$file_date =~ tr/-//d;
		if ( $file_date < $DATE ) {
			my $cmd = "$RBIN delete $RPATH$file";
			print("$cmd\n");
			if ( $DRY_RUN eq 0 ) { 
				system($cmd) == 0 or die
				    "Failed to delete $file, exiting...\n";
			}
		}
	}
}