#!/usr/bin/perl
# 
# All this does is stat a file and return the information in a parsable way. For this reason, translatable 
# strings are not used.
# 
# NOTE: This isn't comprehensive at all. It's mainly meant to be used when 'anvil-file-details' is looking on
#       the hosts for a file it is missing.
#
# Exit codes;
# 0 = Normal exit or md5sum of this program changed and it exited to reload.
# 1 = '--file <full_path>' not used.
# 2 = File not found.
# 

use strict;
use warnings;
use Anvil::Tools;
use Data::Dumper;

# Disable buffering
$| = 1;

my $THIS_FILE           =  ($0 =~ /^.*\/(.*)$/)[0];
my $running_directory   =  ($0 =~ /^(.*?)\/$THIS_FILE$/)[0];
if (($running_directory =~ /^\./) && ($ENV{PWD}))
{
	$running_directory =~ s/^\./$ENV{PWD}/;
}

my $anvil = Anvil::Tools->new();

$anvil->Get->switches({list => [
	"file", 
	"with-md5sum"], man => $THIS_FILE});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => $anvil->data->{switches}});

my $file = $anvil->data->{switches}{file};
if (not $file)
{
	print "[ Error ] - Not called with '--file </path/to/file>'.\n";
	$anvil->nice_exit({exit_code => 1});
}
elsif (not -e $file)
{
	print "[ Error ] - File: [".$file."] not found.\n";
	$anvil->nice_exit({exit_code => 1});
}
else
{
	### TODO: Should be -l -> lstat?
	$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0275", variables => { file => $file }});
	my @details  = stat($file);
	my $mode     = $details[2];
	   $mode     = sprintf("04%o", $details[2] & 07777);
	my $user_id  = $details[4];
	my $group_id = $details[5];
	my $size     = $details[7];
	my $mtime    = $details[9];
	my $md5sum   = "--";
	if ($anvil->data->{switches}{'with-md5sum'})
	{
		$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0265", variables => { file => $file }});
		if ($size > (128 * (2 ** 20)))
		{
			$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0266", variables => { 
				size => $anvil->Convert->bytes_to_human_readable({'bytes' => $size}),
			}});
		}
		
		# Update (or get) the md5sum.
		$md5sum = $anvil->Get->md5sum({debug => 2, file => $file});
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { md5sum => $md5sum }});
	}
	
	print "File: [".$file."]
size: [".$size."]
mode: [".$mode."]
uid: [".$user_id."]
gid: [".$group_id."]
mtime: [".$mtime."]
md5sum: [".$md5sum."]\n";
}

# We're done
$anvil->nice_exit({exit_code => 0});