use Modern::Perl;

return {
    bug_number => "28854",
    description => "Item bundles support",
    up => sub {
        my ($args) = @_;
        my ($dbh, $out) = @$args{qw(dbh out)};

        if( !TableExists( 'item_bundles' ) ) {
            $dbh->do(q{
                CREATE TABLE `item_bundles` (
                  `item` int(11) NOT NULL,
                  `host` int(11) NOT NULL,
                  PRIMARY KEY (`host`, `item`),
                  UNIQUE KEY `item_bundles_uniq_1` (`item`),
                  CONSTRAINT `item_bundles_ibfk_1` FOREIGN KEY (`item`) REFERENCES `items` (`itemnumber`) ON DELETE CASCADE ON UPDATE CASCADE,
                  CONSTRAINT `item_bundles_ibfk_2` FOREIGN KEY (`host`) REFERENCES `items` (`itemnumber`) ON DELETE CASCADE ON UPDATE CASCADE
                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
            });
        }

        say $out "Added new table 'item_bundles'";

        my ($lost_val) = $dbh->selectrow_array(
            "SELECT CAST(authorised_value AS SIGNED) FROM authorised_values WHERE category = 'LOST' AND lib = 'Missing from bundle' LIMIT 1",
            {}
        );

        if ( !$lost_val ) {

            ($lost_val) = $dbh->selectrow_array(
                "SELECT MAX(CAST(authorised_value AS SIGNED)) FROM authorised_values WHERE category = 'LOST'", {} );
            $lost_val++;

            $dbh->do(
                qq{
                INSERT INTO authorised_values (category,authorised_value,lib) VALUES ('LOST',$lost_val,'Missing from bundle')
            }
            );
            say $out "Missing from bundle LOST AV added";
        }

        my ($nfl_val) = $dbh->selectrow_array(
            "SELECT CAST(authorised_value AS SIGNED) FROM authorised_values WHERE category = 'NOT_LOAN' AND lib = 'Added to bundle' LIMIT 1",
            {}
        );

        if ( !$nfl_val ) {

            ($nfl_val) = $dbh->selectrow_array(
                "SELECT MAX(CAST(authorised_value AS SIGNED)) FROM authorised_values WHERE category = 'NOT_LOAN'", {} );
            $nfl_val++;

            $dbh->do(
                qq{
            INSERT INTO authorised_values (category,authorised_value,lib) VALUES ('NOT_LOAN',$nfl_val,'Added to bundle')
            }
            );
            say $out "Added to bundle NOT_LOAN AV added";
        }

        $dbh->do(qq{
            INSERT IGNORE INTO systempreferences( `variable`, `value`, `options`, `explanation`, `type` )
            VALUES
              ( 'BundleLostValue', $lost_val, '', 'Sets the LOST AV value that represents "Missing from bundle" as a lost value', 'Free' ),
              ( 'BundleNotLoanValue', $nfl_val, '', 'Sets the NOT_LOAN AV value that represents "Added to bundle" as a not for loan value', 'Free')
        });

        say $out "Added new system preference 'BundleLostValue'";
        say $out "Added new system preference 'BundleNotLoanValue'";

        if( index_exists( 'return_claims', 'issue_id' ) ) {
            $dbh->do(q{
                ALTER TABLE return_claims DROP INDEX issue_id
            });
            say $out "Dropped unique constraint on issue_id in return_claims";
        }
    }
}