#!/usr/bin/perl

# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Koha is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Koha; if not, see <http://www.gnu.org/licenses>.

use Modern::Perl;

use Test::More tests => 1;
use Test::MockModule;
use Test::Warn;

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

use C4::Biblio qw( AddBiblio );
use C4::Circulation qw( AddOfflineOperation ProcessOfflineOperation GetOfflineOperation );
use C4::Context;
use C4::Reserves qw( AddReserve );
use Koha::DateUtils qw( dt_from_string );

use MARC::Record;

# Mock userenv, used by AddIssue
my $branch;
my $manager_id;
my $context = Test::MockModule->new('C4::Context');
$context->mock(
    'userenv',
    sub {
        return {
            branch    => $branch,
            number    => $manager_id,
            firstname => "Adam",
            surname   => "Smaith"
        };
    }
);

my $schema = Koha::Database->schema;
$schema->storage->txn_begin;

my $dbh = C4::Context->dbh;

my $builder = t::lib::TestBuilder->new();

subtest "Bug 30114 - Koha offline circulation will always cancel the next hold when issuing item to a patron" => sub {

    plan tests => 3;

    $dbh->do("DELETE FROM pending_offline_operations");

    # Set item-level item types
    t::lib::Mocks::mock_preference( "item-level_itypes", 1 );

    # Create a branch
    $branch = $builder->build({ source => 'Branch' })->{ branchcode };
    # Create a borrower
    my $borrower1 = $builder->build({
        source => 'Borrower',
        value => { branchcode => $branch }
    });

    my $borrower2 = $builder->build({
        source => 'Borrower',
        value => { branchcode => $branch }
    });

    my $borrower3 = $builder->build({
        source => 'Borrower',
        value => { branchcode => $branch }
    });

    # Look for the defined MARC field for biblio-level itemtype
    my $rs = $schema->resultset('MarcSubfieldStructure')->search({
        frameworkcode => '',
        kohafield     => 'biblioitems.itemtype'
    });
    my $tagfield    = $rs->first->tagfield;
    my $tagsubfield = $rs->first->tagsubfield;

    # Create a biblio record with biblio-level itemtype
    my $record = MARC::Record->new();
    my ( $biblionumber, $biblioitemnumber ) = AddBiblio( $record, '' );
    my $itype = $builder->build({ source => 'Itemtype' });
    my $item = $builder->build_sample_item(
        {
            biblionumber => $biblionumber,
            library      => $branch,
            itype        => $itype->{itemtype},
        }
    );

    AddReserve(
        {
            branchcode       => $branch,
            borrowernumber   => $borrower1->{borrowernumber},
            biblionumber     => $biblionumber,
            priority         => 1,
            itemnumber       => $item->id,
        }
    );

    AddReserve(
        {
            branchcode       => $branch,
            borrowernumber   => $borrower2->{borrowernumber},
            biblionumber     => $biblionumber,
            priority         => 2,
            itemnumber       => $item->id,
        }
    );

    my $now = dt_from_string->truncate( to => 'minute' );
    AddOfflineOperation( $borrower3->{borrowernumber}, $borrower3->{branchcode}, $now, 'issue', $item->barcode, $borrower3->{cardnumber} );

    my $offline_rs = Koha::Database->new()->schema()->resultset('PendingOfflineOperation')->search();
    is( $offline_rs->count, 1, "Found one pending offline operation" );

    is( Koha::Holds->search({ biblionumber => $biblionumber })->count, 2, "Found two holds for the record" );

    my $op = GetOfflineOperation( $offline_rs->next->id );

    my $ret = ProcessOfflineOperation( $op );

    is( Koha::Holds->search({ biblionumber => $biblionumber })->count, 2, "Still found two holds for the record" );
};

$schema->storage->txn_rollback;