#!/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 => 38;

use Test::MockModule;

use DateTime;

use DateTime::Duration;

use Koha::Caches;

use Koha::Calendar;

use Koha::Database;

use Koha::DateUtils qw( dt_from_string );

use t::lib::Mocks;

use t::lib::TestBuilder;

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

my $schema = Koha::Database->new->schema;

$schema->storage->txn_begin;

# We need to mock the C4::Context->preference method for

# simplicity and re-usability of the session definition. Any

# syspref fits for syspref-agnostic tests.

my $module_context = Test::MockModule->new('C4::Context');

$module_context->mock(

    'preference',

    sub {

        return 'Calendar';

    }

);

my $mpl = $builder->build_object({ class => 'Koha::Libraries' })->branchcode;

my $cpl = $builder->build_object({ class => 'Koha::Libraries' })->branchcode;

my $rows = [ # add weekly holidays

    { branchcode => $mpl, weekday => 0 }, # sundays

    { branchcode => $mpl, weekday => 6 }, # saturdays

    { branchcode => $mpl, day => 1, month => 1 },      # new year's day

    { branchcode => $mpl, day => 25, month => 12 },    # chrismas

];

$schema->resultset('RepeatableHoliday')->delete_all;

$schema->resultset('RepeatableHoliday')->create({ %$_, description => q{} }) for @$rows;

$rows = [ # exception holidays

    { branchcode => $mpl, day => 11, month => 11, year => 2012, isexception => 1 },    # sunday exception

    { branchcode => $mpl, day => 1,  month => 6,  year => 2011, isexception => 0 },

    { branchcode => $mpl, day => 4,  month => 7,  year => 2012, isexception => 0 },

    { branchcode => $cpl, day => 6,  month => 8,  year => 2012, isexception => 0 },

    { branchcode => $mpl, day => 7,  month => 7,  year => 2012, isexception => 1 }, # holiday exception

    { branchcode => $mpl, day => 7,  month => 7,  year => 2012, isexception => 0 }, # holiday

];

$schema->resultset('SpecialHoliday')->delete_all;

$schema->resultset('SpecialHoliday')->create({ %$_, description => q{} }) for @$rows;

my $cache = Koha::Caches->get_instance();

$cache->clear_from_cache('MPL_holidays');

$cache->clear_from_cache('CPL_holidays');

# $mpl branch is arbitrary, is not used at all but is needed for initialization

my $cal = Koha::Calendar->new( branchcode => $mpl );

isa_ok( $cal, 'Koha::Calendar', 'Calendar class returned' );

my $saturday = DateTime->new(

    year      => 2012,

    month     => 11,

    day       => 24,

);

my $sunday = DateTime->new(

    year      => 2012,

    month     => 11,

    day       => 25,

);

my $monday = DateTime->new(

    year      => 2012,

    month     => 11,

    day       => 26,

);

my $new_year = DateTime->new(

    year        => 2013,

    month       => 1,

    day         => 1,

);

my $single_holiday = DateTime->new(

    year      => 2011,

    month     => 6,

    day       => 1,

);    # should be a holiday

my $notspecial = DateTime->new(

    year      => 2011,

    month     => 6,

    day       => 2

);    # should NOT be a holiday

my $sunday_exception = DateTime->new(

    year      => 2012,

    month     => 11,

    day       => 11

);

my $day_after_christmas = DateTime->new(

    year    => 2012,

    month   => 12,

    day     => 26

);  # for testing negative addDuration

my $holiday_for_another_branch = DateTime->new(

    year => 2012,

    month => 8,

    day => 6, # This is a monday

);

my $holiday_excepted = DateTime->new(

    year => 2012,

    month => 7,

    day => 7, # Both a holiday and exception

);

{   # Syspref-agnostic tests

    is ( $saturday->day_of_week, 6, '\'$saturday\' is actually a saturday (6th day of week)');

    is ( $sunday->day_of_week, 7, '\'$sunday\' is actually a sunday (7th day of week)');

    is ( $monday->day_of_week, 1, '\'$monday\' is actually a monday (1st day of week)');

    is ( $cal->is_holiday($saturday), 1, 'Saturday is a closed day' );

    is ( $cal->is_holiday($sunday), 1, 'Sunday is a closed day' );

    is ( $cal->is_holiday($monday), 0, 'Monday is not a closed day' );

    is ( $cal->is_holiday($new_year), 1, 'Month/Day closed day test (New year\'s day)' );

    is ( $cal->is_holiday($single_holiday), 1, 'Single holiday closed day test' );

    is ( $cal->is_holiday($notspecial), 0, 'Fixed single date that is not a holiday test' );

    is ( $cal->is_holiday($sunday_exception), 0, 'Exception holiday is not a closed day test' );

    is ( $cal->is_holiday($holiday_for_another_branch), 0, 'Holiday defined for another branch should not be defined as an holiday' );

    is ( $cal->is_holiday($holiday_excepted), 0, 'Holiday defined and excepted should not be a holiday' );

}

{   # Bugzilla #8966 - is_holiday truncates referenced date

    my $later_dt = DateTime->new(    # Monday

        year      => 2012,

        month     => 9,

        day       => 17,

        hour      => 17,

        minute    => 30,

        time_zone => 'Europe/London',

    );

    is( $cal->is_holiday($later_dt), 0, 'bz-8966 (1/2) Apply is_holiday for the next test' );

    cmp_ok( $later_dt, 'eq', '2012-09-17T17:30:00', 'bz-8966 (2/2) Date should be the same after is_holiday' );

}

{   # Bugzilla #8800 - is_holiday should use truncated date for 'contains' call

    my $single_holiday_time = DateTime->new(

        year  => 2011,

        month => 6,

        day   => 1,

        hour  => 11,

        minute  => 2

    );

    is( $cal->is_holiday($single_holiday_time),

        $cal->is_holiday($single_holiday) ,

        'bz-8800 is_holiday should truncate the date for holiday validation' );

}

    my $one_day_dur = DateTime::Duration->new( days => 1 );

    my $two_day_dur = DateTime::Duration->new( days => 2 );

    my $seven_day_dur = DateTime::Duration->new( days => 7 );

    my $dt = dt_from_string( '2012-07-03','iso' ); #tuesday

    my $test_dt = DateTime->new(    # Monday

        year      => 2012,

        month     => 7,

        day       => 23,

        hour      => 11,

        minute    => 53,

    );

    my $later_dt = DateTime->new(    # Monday

        year      => 2012,

        month     => 9,

        day       => 17,

        hour      => 17,

        minute    => 30,

        time_zone => 'Europe/London',

    );

{    ## 'Datedue' tests

    $cal = Koha::Calendar->new( branchcode => $mpl, days_mode => 'Datedue' );

    is($cal->addDuration( $dt, $one_day_dur, 'days' ), # tuesday

        dt_from_string('2012-07-05','iso'),

        'Single day add (Datedue, matches holiday, shift)' );

    is($cal->addDuration( $dt, $two_day_dur, 'days' ),

        dt_from_string('2012-07-05','iso'),

        'Two days add, skips holiday (Datedue)' );

    cmp_ok($cal->addDuration( $test_dt, $seven_day_dur, 'days' ), 'eq',

        '2012-07-30T11:53:00',

        'Add 7 days (Datedue)' );

    is( $cal->addDuration( $saturday, $one_day_dur, 'days' )->day_of_week, 1,

        'addDuration skips closed Sunday (Datedue)' );

    is( $cal->addDuration($day_after_christmas, -1, 'days')->ymd(), '2012-12-24',

        'Negative call to addDuration (Datedue)' );

    ## Note that the days_between API says closed days are not considered.

    ## This tests are here as an API test.

    cmp_ok( $cal->days_between( $test_dt, $later_dt )->in_units('days'),

                '==', 40, 'days_between calculates correctly (Days)' );

    cmp_ok( $cal->days_between( $later_dt, $test_dt )->in_units('days'),

                '==', 40, 'Test parameter order not relevant (Days)' );

}

{   ## 'Calendar' tests'

    $cal = Koha::Calendar->new( branchcode => $mpl, days_mode => 'Calendar' );

    $dt = dt_from_string('2012-07-03','iso');

    is($cal->addDuration( $dt, $one_day_dur, 'days' ),

        dt_from_string('2012-07-05','iso'),

        'Single day add (Calendar)' );

    cmp_ok($cal->addDuration( $test_dt, $seven_day_dur, 'days' ), 'eq',

       '2012-08-01T11:53:00',

       'Add 7 days (Calendar)' );

    is( $cal->addDuration( $saturday, $one_day_dur, 'days' )->day_of_week, 1,

            'addDuration skips closed Sunday (Calendar)' );

    is( $cal->addDuration($day_after_christmas, -1, 'days')->ymd(), '2012-12-24',

            'Negative call to addDuration (Calendar)' );

    cmp_ok( $cal->days_between( $test_dt, $later_dt )->in_units('days'),

                '==', 40, 'days_between calculates correctly (Calendar)' );

    cmp_ok( $cal->days_between( $later_dt, $test_dt )->in_units('days'),

                '==', 40, 'Test parameter order not relevant (Calendar)' );

}

{   ## 'Days' tests

    $cal = Koha::Calendar->new( branchcode => $mpl, days_mode => 'Days' );

    $dt = dt_from_string('2012-07-03','iso');

    is($cal->addDuration( $dt, $one_day_dur, 'days' ),

        dt_from_string('2012-07-04','iso'),

        'Single day add (Days)' );

    cmp_ok($cal->addDuration( $test_dt, $seven_day_dur, 'days' ),'eq',

        '2012-07-30T11:53:00',

        'Add 7 days (Days)' );

    is( $cal->addDuration( $saturday, $one_day_dur, 'days' )->day_of_week, 7,

        'addDuration doesn\'t skip closed Sunday (Days)' );

    is( $cal->addDuration($day_after_christmas, -1, 'days')->ymd(), '2012-12-25',

        'Negative call to addDuration (Days)' );

    ## Note that the days_between API says closed days are not considered.

    ## This tests are here as an API test.

    cmp_ok( $cal->days_between( $test_dt, $later_dt )->in_units('days'),

                '==', 40, 'days_between calculates correctly (Days)' );

    cmp_ok( $cal->days_between( $later_dt, $test_dt )->in_units('days'),

                '==', 40, 'Test parameter order not relevant (Days)' );

}

{

    $cal = Koha::Calendar->new( branchcode => $cpl );

    is ( $cal->is_holiday($single_holiday), 0, 'Single holiday for MPL, not CPL' );

    is ( $cal->is_holiday($holiday_for_another_branch), 1, 'Holiday defined for CPL should be defined as an holiday' );

}

subtest 'days_mode parameter' => sub {

    plan tests => 1;

    t::lib::Mocks::mock_preference('useDaysMode', 'Days');

    $cal = Koha::Calendar->new( branchcode => $cpl, days_mode => 'Calendar' );

    is( $cal->{days_mode}, 'Calendar', q|If set, days_mode is correctly set|);

};

$cache->clear_from_cache('MPL_holidays');

$cache->clear_from_cache('CPL_holidays');

$schema->storage->txn_rollback;

use_ok('Koha::Calendar');

my $calendar = Koha::Calendar->new( branchcode => $library->branchcode, days_mode => 'Calendar' );

-