use strict;
use warnings;
use Protocol::IMAP::FetchResponseParser;
use Try::Tiny;

use Test::More;

my @cases = ({
	description => 'flags only',
	input => <<'EOF',
(FLAGS (\Seen))
EOF
	result => {
		flags => ['\\Seen']
	}
}, {
	description => 'flags, internaldate',
	input => <<'EOF',
(FLAGS (\Seen) INTERNALDATE "2013-01-01 14:24:00")
EOF
	result => {
		flags => ['\\Seen'],
		internaldate => '2013-01-01 14:24:00'
	}
}, {
	description => 'flags, internaldate, size',
	input => <<'EOF',
(FLAGS (\Seen) INTERNALDATE "2013-01-01 14:24:00" RFC822.SIZE 1024)
EOF
	result => {
		flags => ['\\Seen'],
		internaldate => '2013-01-01 14:24:00',
		'rfc822.size' => 1024,
	}
#}, {
#	description => 'first sample from RFC3501',
#	input => <<'EOF',
#(FLAGS (\Seen) INTERNALDATE "17-Jul-1996 02:44:25 -0700" RFC822.SIZE 4286 ENVELOPE ("Wed, 17 Jul 1996 02:23:25 -0700 (PDT)" "IMAP4rev1 WG mtg summary and minutes" (("Terry Gray" NIL "gray" "cac.washington.edu")) (("Terry Gray" NIL "gray" "cac.washington.edu")) (("Terry Gray" NIL "gray" "cac.washington.edu")) ((NIL NIL "imap" "cac.washington.edu")) ((NIL NIL "minutes" "CNRI.Reston.VA.US") ("John Klensin" NIL "KLENSIN" "MIT.EDU")) NIL NIL "<B27397-0100000@cac.washington.edu>") BODY ("TEXT" "PLAIN" ("CHARSET" "US-ASCII") NIL NIL "7BIT" 3028 92))
#EOF
#	result => {
#		flags => ['\\Seen'],
#		internaldate => "17-Jul-1996 02:44:25 -0700",
#		'rfc822.size' => 4286,
#		envelope => {
#			date => "Wed, 17 Jul 1996 02:23:25 -0700 (PDT)",
#			subject => "IMAP4rev1 WG mtg summary and minutes",
#			from => [{
#				name => "Terry Gray",
#				source => undef,
#				mailbox => "gray",
#				host => "cac.washington.edu"
#			}],
#			sender => [{
#				name => "Terry Gray",
#				source => undef,
#				mailbox => "gray",
#				host => "cac.washington.edu"
#			}],
#			reply_to => [{
#				name => "Terry Gray",
#				source => undef,
#				mailbox => "gray",
#				host => "cac.washington.edu"
#			}],
#			to => [{
#				name => undef,
#				source => undef,
#				mailbox => 'imap',
#				host => "cac.washington.edu",
#			}],
#			cc => [{
#				name => undef,
#				source => undef,
#				mailbox => "minutes",
#				host => "CNRI.Reston.VA.US",
#			}, {
#				name => "John Klensin",
#				source => undef,
#				mailbox => "KLENSIN",
#				host => "MIT.EDU",
#			}],
#			bcc => undef,
#			in_reply_to => undef,
#			message_id => '<B27397-0100000@cac.washington.edu>'
#		},
#		body => {
#			type => 'text',
#			subtype => 'plain',
#			parameters => {
#				charset => 'US-ASCII',
#			},
#			id => undef,
#			description => undef,
#			encoding => '7bit',
#			size => 3028,
#			lines => 92,
#		}
#	}
}, {
	description => 'literal string',
	input => <<'EOF',
(TEST {5}
12345)
EOF
	result => {
		test => \'12345'
	}
}, {
	description => 'literal string for body[header]',
	input => <<'EOF',
(BODY[HEADER] {8}
12345678)
EOF
	result => {
		'body[header]' => \'12345678'
	}
}, {
	description => 'empty string for body[header]',
	input => <<'EOF',
(BODY[HEADER] "")
EOF
	result => {
		'body[header]' => ''
	}
#},
#	{
#	description => 'MIME body',
#	input => <<'EOF',
#(BODY ((("text" "plain" ("charset" "iso-8859-1") NIL NIL "quoted-printable" 2614 123)("text" "html" ("charset" "iso-8859-1") NIL NIL "quoted-printable" 25617 368) "alternative")("image" "jpeg" ("name" "image001.jpg") "<image001.jpg@01CD43FB.01CAC290>" "image001.jpg" "base64" 10896)("image" "png" ("name" "image002.png") "<image002.png@01CD43FB.01CAC290>" "image002.png" "base64" 1266)("image" "png" ("name" "image003.png") "<image003.png@01CD43FB.01CAC290>" "image003.png" "base64" 954)("image" "png" ("name" "image004.png") "<image004.png@01CD43FB.01CAC290>" "image004.png" "base64" 1224)("image" "jpeg" ("name" "image005.jpg") "<image005.jpg@01CD43FB.01CAC290>" "image005.jpg" "base64" 13696) "related"))
#EOF
#	result => {
#		'body[header]' => ''
#	}
#}, {
#	description => 'more MIME',
#	input => <<'EOF',
#(FLAGS (\Seen NonJunk $MDNSent) INTERNALDATE "06-Jun-2012 15:56:18 +0100" RFC822.SIZE 60864 ENVELOPE ("Wed, 6 Jun 2012 09:56:43 -0500" "SSL247: entitymodel.com renewal" (("Janet Lema" NIL "jlema" "ssl247.co.uk")) (("Janet Lema" NIL "jlema" "ssl247.co.uk")) (("Janet Lema" NIL "jlema" "ssl247.co.uk")) (("ssl@entitymodel.com" NIL "ssl" "entitymodel.com")) NIL NIL NIL "<6512F4D6D3B45B4BADCCAF16EE428B26015F7F23D17A@ORD1MBX03.mex04.mlsrvr.com>") BODY ((("text" "plain" ("charset" "iso-8859-1") NIL NIL "quoted-printable" 2614 123)("text" "html" ("charset" "iso-8859-1") NIL NIL "quoted-printable" 25617 368) "alternative")("image" "jpeg" ("name" "image001.jpg") "<image001.jpg@01CD43FB.01CAC290>" "image001.jpg" "base64" 10896)("image" "png" ("name" "image002.png") "<image002.png@01CD43FB.01CAC290>" "image002.png" "base64" 1266)("image" "png" ("name" "image003.png") "<image003.png@01CD43FB.01CAC290>" "image003.png" "base64" 954)("image" "png" ("name" "image004.png") "<image004.png@01CD43FB.01CAC290>" "image004.png" "base64" 1224)("image" "jpeg" ("name" "image005.jpg") "<image005.jpg@01CD43FB.01CAC290>" "image005.jpg" "base64" 13696) "related"))
#EOF
#	result => {
#		'body[header]' => ''
#	}
});

plan tests => scalar @cases;
for my $test (@cases) {
	my $parser = Protocol::IMAP::FetchResponseParser->new;
	try {
		my @in = split /\n/, $test->{input};
		$parser->subscribe_to_event(
			literal_data => sub {
				my ($ev, $count, $buffref) = @_;
				warn "Expect to read $count bytes\n";
				my $txt = join("\n", @in);
				$$buffref = substr $txt, 0, $count;
				@in = split /\n/, substr $txt, $count;
			}
		);
		my $result = $parser->from_reader(sub {
			shift @in
		});
		is_deeply($result, $test->{result}, $test->{description} || 'parse fetch response') or note explain $result;
	} catch {
		note $test->{input};
		fail($_)
	}
}

done_testing;