#!/usr/bin/env 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 => 4;
use Test::MockModule;
use Test::Mojo;
use Test::Warn;

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

use C4::Auth;
use Koha::Biblios;
use Koha::Database;

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

t::lib::Mocks::mock_preference( 'RESTBasicAuth', 1 );

my $t = Test::Mojo->new('Koha::REST::V1');

subtest 'get() tests' => sub {

    plan tests => 21;

    $schema->storage->txn_begin;

    my $patron = $builder->build_object(
        {
            class => 'Koha::Patrons',
            value => { flags => 0 }
        }
    );
    my $password = 'thePassword123';
    $patron->set_password( { password => $password, skip_validation => 1 } );
    $patron->discard_changes;
    my $userid = $patron->userid;

    my $biblio = $builder->build_sample_biblio({
        title  => 'The unbearable lightness of being',
        author => 'Milan Kundera'
    });
    $t->get_ok("//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber)
      ->status_is(403);

    $patron->flags(4)->store;

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber
                => { Accept => 'application/weird+format' } )
      ->status_is(406)
      ->json_is( [ "application/json",
                   "application/marcxml+xml",
                   "application/marc-in-json",
                   "application/marc",
                   "text/plain" ] );

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/json' } )
      ->status_is(200)
      ->json_is( '/title', 'The unbearable lightness of being' )
      ->json_is( '/author', 'Milan Kundera' );

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marcxml+xml' } )
      ->status_is(200);

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marc-in-json' } )
      ->status_is(200);

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marc' } )
      ->status_is(200);

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber
                 => { Accept => 'text/plain' } )
      ->status_is(200)
      ->content_is($biblio->metadata->record->as_formatted);

    $biblio->delete;
    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marc' } )
      ->status_is(404)
      ->json_is( '/error', 'Object not found.' );

    $schema->storage->txn_rollback;
};

subtest 'get_items() tests' => sub {

    plan tests => 8;

    $schema->storage->txn_begin;

    my $patron = $builder->build_object(
        {
            class => 'Koha::Patrons',
            value => { flags => 0 }
        }
    );
    my $password = 'thePassword123';
    $patron->set_password( { password => $password, skip_validation => 1 } );
    $patron->discard_changes;
    my $userid = $patron->userid;

    my $biblio = $builder->build_sample_biblio();
    $t->get_ok("//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber . "/items")
      ->status_is(403);

    $patron->flags(4)->store;

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber . "/items")
      ->status_is(200)
      ->json_is( '' => [], 'No items on the biblio' );

    my $item_1 = $builder->build_sample_item({ biblionumber => $biblio->biblionumber });
    my $item_2 = $builder->build_sample_item({ biblionumber => $biblio->biblionumber });

    $t->get_ok( "//$userid:$password@/api/v1/biblios/" . $biblio->biblionumber . "/items")
      ->status_is(200)
      ->json_is( '' => [ $item_1->to_api, $item_2->to_api ], 'The items are returned' );

    $schema->storage->txn_rollback;
};

subtest 'delete() tests' => sub {

    plan tests => 9;

    $schema->storage->txn_begin;

    my $patron = $builder->build_object(
        {
            class => 'Koha::Patrons',
            value => { flags => 0 } # no permissions
        }
    );
    my $password = 'thePassword123';
    $patron->set_password( { password => $password, skip_validation => 1 } );
    my $userid = $patron->userid;

    my $item      = $builder->build_sample_item();
    my $biblio_id = $item->biblionumber;

    $t->delete_ok("//$userid:$password@/api/v1/biblios/$biblio_id")
      ->status_is(403, 'Not enough permissions makes it return the right code');

    # Add permissions
    $builder->build(
        {
            source => 'UserPermission',
            value  => {
                borrowernumber => $patron->borrowernumber,
                module_bit     => 9,
                code           => 'edit_catalogue'
            }
        }
    );


    # Bibs with items cannot be deleted
    $t->delete_ok("//$userid:$password@/api/v1/biblios/$biblio_id")
      ->status_is(409);

    $item->delete();

    # Bibs with no items can be deleted
    $t->delete_ok("//$userid:$password@/api/v1/biblios/$biblio_id")
      ->status_is(204, 'SWAGGER3.2.4')
      ->content_is('', 'SWAGGER3.3.4');

    $t->delete_ok("//$userid:$password@/api/v1/biblios/$biblio_id")
      ->status_is(404);

    $schema->storage->txn_rollback;
};

subtest 'get_public() tests' => sub {

    plan tests => 25;

    $schema->storage->txn_begin;

    my $category = $builder->build_object({ class => 'Koha::Patron::Categories' });
    my $patron = $builder->build_object(
        {
            class => 'Koha::Patrons',
            value => {
                flags        => undef, # opac user
                categorycode => $category->categorycode
            }
        }
    );
    my $password = 'thePassword123';
    $patron->set_password( { password => $password, skip_validation => 1 } );
    $patron->discard_changes;
    my $userid = $patron->userid;

    my $biblio = $builder->build_sample_biblio({
        title  => 'The unbearable lightness of being',
        author => 'Milan Kundera'
    });

    # Make sure author in shown in the OPAC
    my $subfields = Koha::MarcSubfieldStructures->search({ tagfield => '100' });
    while ( my $subfield = $subfields->next ) {
        $subfield->set({ hidden => -1 })->store;
    }
    Koha::Caches->get_instance()->flush_all;

    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                => { Accept => 'application/weird+format' } )
      ->status_is(406)
      ->json_is( [ "application/marcxml+xml",
                   "application/marc-in-json",
                   "application/marc",
                   "text/plain" ] );

    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'text/plain' } )
      ->status_is(200)
      ->content_like( qr{100\s+_aMilan Kundera} )
      ->content_like( qr{245\s+_aThe unbearable lightness of being} );

    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marcxml+xml' } )
      ->status_is(200);

    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marc-in-json' } )
      ->status_is(200);

    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marc' } )
      ->status_is(200);

    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'text/plain' } )
      ->status_is(200)
      ->content_is($biblio->metadata->record->as_formatted);

    subtest 'anonymous access' => sub {
        plan tests => 9;

        $t->get_ok( "/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marcxml+xml' } )
          ->status_is(200);

        $t->get_ok( "/api/v1/public/biblios/" . $biblio->biblionumber
                    => { Accept => 'application/marc-in-json' } )
        ->status_is(200);

        $t->get_ok( "/api/v1/public/biblios/" . $biblio->biblionumber
                    => { Accept => 'application/marc' } )
        ->status_is(200);

        $t->get_ok( "/api/v1/public/biblios/" . $biblio->biblionumber
                    => { Accept => 'text/plain' } )
        ->status_is(200)
        ->content_is($biblio->metadata->record->as_formatted);
    };

    # Hide author in OPAC
    $subfields = Koha::MarcSubfieldStructures->search({ tagfield => '100' });
    while ( my $subfield = $subfields->next ) {
        $subfield->set({ hidden => 1 })->store;
    }

    Koha::Caches->get_instance()->flush_all;

    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'text/plain' } )
      ->status_is(200)
      ->content_unlike( qr{100\s+_aMilan Kundera} )
      ->content_like( qr{245\s+_aThe unbearable lightness of being} );

    subtest 'hidden_in_opac tests' => sub {

        plan tests => 6;

        my $biblio_hidden_in_opac = 1;

        my $biblio_class = Test::MockModule->new('Koha::Biblio');
        # force biblio hidden in OPAC
        $biblio_class->mock( 'hidden_in_opac', sub { return $biblio_hidden_in_opac; } );

        $t->get_ok( "/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'text/plain' } )
          ->status_is(404, 'hidden_in_opac + anonymous => hidden');

        my $category_override_hidden_items = 0;
        my $category_class = Test::MockModule->new('Koha::Patron::Category');
        $category_class->mock( 'override_hidden_items', sub { return $category_override_hidden_items; } );
        $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'text/plain' } )
          ->status_is(404, "hidden_in_opac + patron whose category doesn't override => hidden");

        # Make the category override
        $category_override_hidden_items = 1;
        $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'text/plain' } )
          ->status_is(200, "hidden_in_opac + patron whose category that overrides => displayed");

        t::lib::Mocks::mock_preference('OpacHiddenItems');
    };

    $biblio->delete;
    $t->get_ok( "//$userid:$password@/api/v1/public/biblios/" . $biblio->biblionumber
                 => { Accept => 'application/marc' } )
      ->status_is(404)
      ->json_is( '/error', 'Object not found.' );

    $schema->storage->txn_rollback;
};