use Modern::Perl;
use Test::More tests => 4;
use MARC::Record;

use t::lib::Mocks;
use t::lib::TestBuilder;

use Koha::Database;
use Koha::Caches;
use Koha::MarcSubfieldStructures;
use C4::Biblio qw( TransformKohaToMarc );

my $schema  = Koha::Database->new->schema;
$schema->storage->txn_begin;
our $builder = t::lib::TestBuilder->new;

# Create/overwrite some Koha to MARC mappings in default framework
Koha::MarcSubfieldStructures->search({ frameworkcode => '', tagfield => '300', tagsubfield => 'a' })->delete;
Koha::MarcSubfieldStructure->new({ frameworkcode => '', tagfield => '300', tagsubfield => 'a', kohafield => "mytable.nicepages" })->store;
Koha::MarcSubfieldStructures->search({ frameworkcode => '', tagfield => '300', tagsubfield => 'b' })->delete;
Koha::MarcSubfieldStructure->new({ frameworkcode => '', tagfield => '300', tagsubfield => 'b', kohafield => "mytable2.goodillustrations", repeatable => 1 })->store;
Koha::Caches->get_instance->clear_from_cache( "MarcSubfieldStructure-" );

my $record = C4::Biblio::TransformKohaToMarc({
    "mytable2.goodillustrations"   => "Other physical details", # 300$b
    "mytable.nicepages"            => "Extent",                 # 300$a
});
my @subfields = $record->field('300')->subfields();
is_deeply( \@subfields, [
          [
            'a',
            'Extent'
          ],
          [
            'b',
            'Other physical details'
          ],
        ],
'TransformKohaToMarc should return sorted subfields (regression test for bug 12343)' );


# Now test multiple mappings per kohafield too
subtest "Multiple Koha to MARC mappings (BZ 10306)" => sub {
    plan tests => 5;

    # Add 260d mapping so that 300a and 260d both map to mytable.nicepages
    # Add 260e to test not-repeatable behavior
    Koha::MarcSubfieldStructures->search({ frameworkcode => '', tagfield => '260' })->delete;
    Koha::MarcSubfieldStructure->new({ frameworkcode => '', tagfield => '260', tagsubfield => 'd', kohafield => "mytable.nicepages" })->store;
    Koha::MarcSubfieldStructure->new({ frameworkcode => '', tagfield => '260', tagsubfield => 'e', kohafield => "mytable.unrepeatable", repeatable => 0 })->store;
    Koha::Caches->get_instance->clear_from_cache( "MarcSubfieldStructure-" );

    # Include two values in goodillustrations too: should result in two
    # subfields. But unrepeatable should result in one field.
    my $record = C4::Biblio::TransformKohaToMarc({
        "mytable2.goodillustrations" => "good | better",
        "mytable.nicepages"          => "nice",
        "mytable.unrepeatable"       => "A | B",
    });
    is( $record->subfield('260','d'), "nice", "Check 260d" );
    is( $record->subfield('260','e'), "A | B", "Check 260e" );
    is( $record->subfield('300','a'), "nice", "Check 300a" );
    is( $record->subfield('300','b'), "good", "Check first 300b" );
    is( ($record->field('300')->subfield('b'))[1], "better",
        "Check second 300b" );
};

subtest "Working with control fields" => sub {
    plan tests => 1;

    # Map a controlfield to 'fullcontrol'
    Koha::MarcSubfieldStructures->search({ frameworkcode => '', tagfield => '001', tagsubfield => '@' })->delete;
    Koha::MarcSubfieldStructure->new({ frameworkcode => '', tagfield => '001', tagsubfield => '@', kohafield => "fullcontrol" })->store;
    Koha::Caches->get_instance->clear_from_cache( "MarcSubfieldStructure-" );

    my @cols = ( notexist => 'i am not here', fullcontrol => 'all' );
    my $record = C4::Biblio::TransformKohaToMarc( { @cols } );
    is( $record->field('001')->data, 'all', 'Verify field 001' );
};

subtest "Add tests for _check_split" => sub {
    plan tests => 8;

    Koha::MarcSubfieldStructures->search({ frameworkcode => '', tagfield => '952', tagsubfield => 'a' })->delete;
    Koha::MarcSubfieldStructure->new({ frameworkcode => '', tagfield => '952', tagsubfield => 'a', kohafield => 'items.fld1' })->store;
    Koha::MarcSubfieldStructures->search({ frameworkcode => '', tagfield => '952', tagsubfield => 'b' })->delete;
    Koha::MarcSubfieldStructure->new({ frameworkcode => '', tagfield => '952', tagsubfield => 'b', kohafield => 'items.fld1' })->store;
    Koha::Caches->get_instance->clear_from_cache( "MarcSubfieldStructure-" );
    # add 952a repeatable in another framework
    my $fw =  $builder->build({ source => 'BiblioFramework' })->{frameworkcode};
    Koha::MarcSubfieldStructure->new({ frameworkcode => $fw, tagfield => '952', tagsubfield => 'a', repeatable => 1, kohafield => 'items.fld1' })->store;

    # Test single value in fld1
    my @cols = ( 'items.fld1' => '01' );
    my $record = C4::Biblio::TransformKohaToMarc( { @cols }, { no_split => 1 } );
    is( $record->subfield( '952', 'a' ), '01', 'Check single in 952a' );
    is( $record->subfield( '952', 'b' ), '01', 'Check single in 952b' );

    # Test glued (composite) value in fld1 with no_split parameter
    @cols = ( 'items.fld1' => '01 | 02' );
    $record = C4::Biblio::TransformKohaToMarc( { @cols }, { no_split => 1 } );
    is( $record->subfield( '952', 'a' ), '01 | 02', 'Check composite in 952a' );
    is( $record->subfield( '952', 'b' ), '01 | 02', 'Check composite in 952b' );
    # Test without no_split (subfield is not repeatable)
    $record = C4::Biblio::TransformKohaToMarc( { @cols } );
    is( $record->subfield( '952', 'a' ), '01 | 02', 'Check composite in 952a' );
    # Test with other framework (repeatable)
    Koha::Caches->get_instance->clear_from_cache( "MarcSubfieldStructure-". $fw );
    $record =  C4::Biblio::TransformKohaToMarc( { @cols }, { framework => $fw } );
    is( ($record->subfield( '952', 'a' ))[0], '01', "Framework $fw first 952a" );
    is( ($record->subfield( '952', 'a' ))[1], '02', "Framework $fw second 952a" );
    is( ref(Koha::Caches->get_instance->get_from_cache( "MarcSubfieldStructure-". $fw )), 'HASH', 'We did hit the cache' );
};

# Cleanup
Koha::Caches->get_instance->clear_from_cache( "MarcSubfieldStructure-" );
$schema->storage->txn_rollback;