use Test::More;
use Test::Differences;
use File::Slurp;

use List::MoreUtils qw[uniq none any];

BEGIN {
    use_ok( q{Zonemaster::Engine} );
    use_ok( q{Zonemaster::Engine::Test::Nameserver} );
    use_ok( q{Zonemaster::Engine::Util} );
}

my $checking_module = q{Nameserver};

sub zone_gives {
    my ( $test, $zone, $gives_ref ) = @_;

    Zonemaster::Engine->logger->clear_history();
    my @res = Zonemaster::Engine->test_method( $checking_module, $test, $zone );
    foreach my $gives ( @{$gives_ref} ) {
        ok( ( grep { $_->tag eq $gives } @res ), $zone->name->string . " gives $gives" );
    }
    return scalar( @res );
}

sub zone_gives_not {
    my ( $test, $zone, $gives_ref ) = @_;

    Zonemaster::Engine->logger->clear_history();
    my @res = Zonemaster::Engine->test_method( $checking_module, $test, $zone );
    foreach my $gives ( @{$gives_ref} ) {
        ok( !( grep { $_->tag eq $gives } @res ), $zone->name->string . " does not give $gives" );
    }
    return scalar( @res );
}

my $datafile = q{t/Test-nameserver.data};
if ( not $ENV{ZONEMASTER_RECORD} ) {
    die q{Stored data file missing} if not -r $datafile;
    Zonemaster::Engine::Nameserver->restore( $datafile );
    Zonemaster::Engine::Profile->effective->set( q{no_network}, 1 );
}

my ($json, $profile_test);
my @testcases_with_network = (qw{nameserver01 nameserver02 nameserver06 nameserver07 nameserver08 nameserver09});
foreach my $testcase ( qw{nameserver01 nameserver02 nameserver03 nameserver04 nameserver05 nameserver06 nameserver07 nameserver08 nameserver09} ) {
    next if grep { $_ eq $testcase } @testcases_with_network;
    $json         = read_file( 't/profiles/Test-'.$testcase.'-only.json' );
    $profile_test = Zonemaster::Engine::Profile->from_json( $json );
    Zonemaster::Engine::Profile->effective->merge( $profile_test );
    my %testcases;
    Zonemaster::Engine->logger->clear_history();
    foreach my $result ( Zonemaster::Engine->test_module( q{nameserver}, q{afnic.fr} ) ) {
        if ( $result->testcase && $result->testcase ne 'Unspecified' ) {
            $testcases{$result->testcase} = 1;
        }
    }
    eq_or_diff( [ map { lc $_ } keys %testcases ], [ $testcase ], 'expected test-case ('. $testcase .')' );
}

$json         = read_file( 't/profiles/Test-nameserver-all.json' );
$profile_test = Zonemaster::Engine::Profile->from_json( $json );
Zonemaster::Engine::Profile->effective->merge( $profile_test );

my $zone;
my @res;
my %tag;

# nameserver01
$zone = Zonemaster::Engine->zone( 'fr' );
zone_gives( 'nameserver01', $zone, [q{NO_RECURSOR}] );
zone_gives_not( 'nameserver01', $zone, [q{IS_A_RECURSOR}] );

# nameserver02
$zone = Zonemaster::Engine->zone( 'flagday.rootcanary.net' );
zone_gives( 'nameserver02', $zone, ['BREAKS_ON_EDNS']);
$zone = Zonemaster::Engine->zone( 'dyad.se' );
zone_gives( 'nameserver02', $zone, ['EDNS0_SUPPORT'] );

# nameserver03
$zone = Zonemaster::Engine->zone( 'nameserver03-axfr-failure.zut-root.rd.nic.fr' );
zone_gives( 'nameserver03', $zone, [q{AXFR_FAILURE}] );
zone_gives_not( 'nameserver03', $zone, [q{AXFR_AVAILABLE}] );

# nameserver04
$zone = Zonemaster::Engine->zone( 'afnic.fr' );
zone_gives( 'nameserver04', $zone, [q{SAME_SOURCE_IP}] );

# nameserver05
$zone = Zonemaster::Engine->zone( 'afnic.fr' );
zone_gives( 'nameserver05', $zone, [q{AAAA_WELL_PROCESSED}] );

SKIP: {
    skip "Zone does not actually have tested problem", 1,
    $zone = Zonemaster::Engine->zone( 'uddevallafiber.se' );
    zone_gives( 'nameserver05', $zone, ['QUERY_DROPPED'] );
}

# nameserver06
$zone = Zonemaster::Engine->zone( 'nameserver06-can-not-be-resolved.zut-root.rd.nic.fr' );
zone_gives( 'nameserver06', $zone, [q{CAN_NOT_BE_RESOLVED}] );

$zone = Zonemaster::Engine->zone( 'nameserver06-no-resolution.zut-root.rd.nic.fr' );
zone_gives( 'nameserver06', $zone, [q{NO_RESOLUTION}] );

$zone = Zonemaster::Engine->zone( 'nameserver06-can-be-resolved.zut-root.rd.nic.fr' );
zone_gives( 'nameserver06', $zone, [q{CAN_BE_RESOLVED}] );

# nameserver07
$zone = Zonemaster::Engine->zone( '.' );
zone_gives( 'nameserver07', $zone, [q{UPWARD_REFERRAL_IRRELEVANT}] );
zone_gives_not( 'nameserver07', $zone, [qw{UPWARD_REFERRAL NO_UPWARD_REFERRAL}] );

# nameserver{08,09,10} -- no unit tests yet, see https://github.com/zonemaster/zonemaster-engine/issues/1146

# nameserver11
$zone = Zonemaster::Engine->zone( 'bemacom.se' );
zone_gives( 'nameserver11', $zone, [q{N11_UNEXPECTED_RCODE}] );
zone_gives_not( 'nameserver11', $zone, [qw{N11_NO_EDNS N11_NO_RESPONSE N11_RETURNS_UNKNOWN_OPTION_CODE N11_UNEXPECTED_ANSWER_SECTION N11_UNSET_AA}] );

# nameserver{12,13,14} -- no unit tests yet, see https://github.com/zonemaster/zonemaster-engine/issues/1146

# nameserver15 -- see t/Test-nameserver15.t instead.

SKIP: {
    skip "Zone does not actually have tested problem", 1,
    $zone = Zonemaster::Engine->zone( 'escargot.se' );
    zone_gives( 'nameserver05', $zone, ['AAAA_UNEXPECTED_RCODE'] );
}

TODO: {
    local $TODO = "Need to find/create zones with that error";

    # nameserver04
    ok( $tag{DIFFERENT_SOURCE_IP}, q{DIFFERENT_SOURCE_IP} );

    # nameserver07
    ok( $tag{UPWARD_REFERRAL}, q{UPWARD_REFERRAL} );
    ok( $tag{NO_UPWARD_REFERRAL}, q{NO_UPWARD_REFERRAL} );

    # nameserver08
    ok( $tag{QNAME_CASE_INSENSITIVE}, q{QNAME_CASE_INSENSITIVE} );
    ok( $tag{QNAME_CASE_SENSITIVE}, q{QNAME_CASE_SENSITIVE} );
}

SKIP: {
    # Default behaviour changed. It's always skipped unless we have network
    # available.
    skip 'no network', 2 if not $ENV{ZONEMASTER_RECORD};

    # AXFR results not well cached. Cannot test cases where AXFR is available
    # without network, even in case of ZONEMASTER_RECORD is not set.
#    $zone = Zonemaster::Engine->zone( 'nameserver03-axfr-available.zut-root.rd.nic.fr' );
#    zone_gives( 'nameserver03', $zone, [q{AXFR_AVAILABLE}] );
    $zone = Zonemaster::Engine->zone( 'arpa' );
    zone_gives( 'nameserver03', $zone, [q{AXFR_AVAILABLE}] );
    zone_gives( 'nameserver03', $zone, [q{AXFR_FAILURE}] );
}

if ( $ENV{ZONEMASTER_RECORD} ) {
    Zonemaster::Engine::Nameserver->save( $datafile );
}

Zonemaster::Engine::Profile->effective->set( q{no_network}, 0 );
Zonemaster::Engine::Profile->effective->set( q{net.ipv4}, 0 );
Zonemaster::Engine::Profile->effective->set( q{net.ipv6}, 0 );
$zone = Zonemaster::Engine->zone( 'fr' );
zone_gives( 'nameserver01', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver01', $zone, [qw{NO_RECURSOR IS_A_RECURSOR}] );
$zone = Zonemaster::Engine->zone( 'perennaguiden.se' );
zone_gives( 'nameserver02', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver02', $zone, [qw{EDNS0_BAD_ANSWER EDNS0_BAD_QUERY EDNS0_SUPPORT}] );
$zone = Zonemaster::Engine->zone( 'nameserver03-axfr-failure.zut-root.rd.nic.fr' );
zone_gives( 'nameserver03', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver03', $zone, [qw{AXFR_FAILURE AXFR_AVAILABLE}] );
$zone = Zonemaster::Engine->zone( 'afnic.fr' );
zone_gives( 'nameserver04', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver04', $zone, [qw{SAME_SOURCE_IP DIFFERENT_SOURCE_IP}] );
zone_gives( 'nameserver05', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver05', $zone, [qw{IPV6_DISABLED IPV4_DISABLED}] );
$zone = Zonemaster::Engine->zone( 'nameserver06-can-not-be-resolved.zut-root.rd.nic.fr' );
zone_gives( 'nameserver06', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver06', $zone, [qw{CAN_NOT_BE_RESOLVED NO_RESOLUTION CAN_BE_RESOLVED}] );
$zone = Zonemaster::Engine->zone( '.' );
zone_gives( 'nameserver07', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver07', $zone, [qw{UPWARD_REFERRAL_IRRELEVANT UPWARD_REFERRAL NO_UPWARD_REFERRAL}] );
zone_gives( 'nameserver08', $zone, [q{NO_NETWORK}] );
zone_gives_not( 'nameserver08', $zone, [qw{QNAME_CASE_INSENSITIVE QNAME_CASE_SENSITIVE}] );

Zonemaster::Engine::Profile->effective->set( q{no_network}, 1 );

done_testing;