#!/usr/bin/env perl

BEGIN {
   die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
      unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
   unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
};

use strict;
use warnings FATAL => 'all';
use English qw(-no_match_vars);
use Test::More;

use PerconaTest;
use Sandbox;
require "$trunk/bin/pt-archiver";

my $dp  = new DSNParser(opts=>$dsn_opts);
my $sb  = new Sandbox(basedir => '/tmp', DSNParser => $dp);
my $dbh = $sb->get_dbh_for('master');

if ( !$dbh ) {
   plan skip_all => 'Cannot connect to sandbox master';
}
else {
   plan tests => 12;
}

my $output;
my $rows;
my $cnf = "/tmp/12345/my.sandbox.cnf";
my $cmd = "$trunk/bin/pt-archiver";

$sb->create_dbs($dbh, ['test']);
$sb->load_file('master', 't/pt-archiver/samples/table1.sql');

# Archive to a file.
`rm -f archive.test.table_1`;
$output = output(
   sub { pt_archiver::main(qw(--where 1=1), "--source", "D=test,t=table_1,F=$cnf", "--file", 'archive.%D.%t') },
);
is($output, '', 'No output for archiving to a file');
$output = `/tmp/12345/use -N -e "select count(*) from test.table_1"`;
is($output + 0, 0, 'Purged all rows ok');
ok(-f 'archive.test.table_1', 'Archive file written OK');
$output = `cat archive.test.table_1`;
is($output, <<EOF
1\t2\t3\t4
2\t\\N\t3\t4
3\t2\t3\t\\\t
4\t2\t3\t\\

EOF
, 'File has the right stuff');
`rm -f archive.test.table_1`;

# Archive to a file, but specify only some columns.
$sb->load_file('master', 't/pt-archiver/samples/table1.sql');
`rm -f archive.test.table_1`;
$output = output(
   sub { pt_archiver::main("-c", "b,c", qw(--where 1=1 --header), "--source", "D=test,t=table_1,F=$cnf", "--file", 'archive.%D.%t') },
);
$output = `cat archive.test.table_1`;
is($output, <<EOF
b\tc
2\t3
\\N\t3
2\t3
2\t3
EOF
, 'File has the right stuff with only some columns');
`rm -f archive.test.table_1`;

# #############################################################################
# Bug #903379: --file & --charset could cause warnings and exceptions
# #############################################################################

sub test_charset {
   my ($charset) = @_;
   
   $sb->load_file('master', 't/pt-archiver/samples/table1.sql');
   local $@;
   eval {
      pt_archiver::main("-c", "b,c", qw(--where 1=1 --header),
            "--source", "D=test,t=table_1,F=$cnf",
            '--file', '/tmp/%Y-%m-%d-%D_%H:%i:%s.%t',
            '--no-check-charset',
            '--charset', $charset,
      );
   };

   ok !$@, "--charset $charset works";
}

for my $charset (qw(latin1 iso-8859-1 utf8 UTF-8 )) {
   test_charset($charset);
}

my $warning;
local $SIG{__WARN__} = sub { $warning .= shift };
my $out = output( sub {
      $sb->load_file('master', 't/pt-archiver/samples/table1.sql');
      pt_archiver::main("-c", "b,c", qw(--where 1=1 --header),
            "--source", "D=test,t=table_1,F=$cnf",
            '--file', '/tmp/%Y-%m-%d-%D_%H:%i:%s.%t',
            '--no-check-charset',
            '--charset', "some_charset_that_doesn't_exist",
      );
   },
);

like($out, qr/\QCannot open :encoding(some_chars/, "..but an unknown charset fails");
like($warning, qr/Cannot find encoding/, "..and throws a useful warning");

# #############################################################################
# Done.
# #############################################################################
$sb->wipe_clean($dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
exit;