use strict;
use Test::More;

BEGIN {
  eval "use DBIx::Class::CDBICompat;";
  if ($@) {
    plan (skip_all => 'Class::Trigger and DBIx::ContextualFetch required');
    next;
  }
  eval "use DBD::SQLite";
  plan $@ ? (skip_all => 'needs DBD::SQLite for testing') : (tests => 20);
}

use lib 't/cdbi/testlib';
use Film;
use Actor;

{ # Check __ESSENTIAL__ expansion (RT#13038)
  my @cols = Film->columns('Essential');
  is_deeply \@cols, ['title'], "1 Column in essential";
  is +Film->transform_sql('__ESSENTIAL__'), 'title', '__ESSENTIAL__ expansion';
  
  # This provides a more interesting test
  Film->columns(Essential => qw(title rating));
  is +Film->transform_sql('__ESSENTIAL__'), 'title, rating',
      'multi-col __ESSENTIAL__ expansion';
}

my $f1 = Film->create({ title => 'A', director => 'AA', rating => 'PG' });
my $f2 = Film->create({ title => 'B', director => 'BA', rating => 'PG' });
my $f3 = Film->create({ title => 'C', director => 'AA', rating => '15' });
my $f4 = Film->create({ title => 'D', director => 'BA', rating => '18' });
my $f5 = Film->create({ title => 'E', director => 'AA', rating => '18' });

Film->set_sql(
  pgs => qq{
  SELECT __ESSENTIAL__
  FROM   __TABLE__
  WHERE  __TABLE__.rating = 'PG'
  ORDER BY title DESC 
}
);

{
  (my $sth = Film->sql_pgs())->execute;
  my @pgs = Film->sth_to_objects($sth);
  is @pgs, 2, "Execute our own SQL";
  is $pgs[0]->id, $f2->id, "get F2";
  is $pgs[1]->id, $f1->id, "and F1";
}

{
  my @pgs = Film->search_pgs;
  is @pgs, 2, "SQL creates search() method";
  is $pgs[0]->id, $f2->id, "get F2";
  is $pgs[1]->id, $f1->id, "and F1";
};

Film->set_sql(
  rating => qq{
  SELECT __ESSENTIAL__
  FROM   __TABLE__
  WHERE  rating = ?
  ORDER BY title DESC 
}
);

{
  my @pgs = Film->search_rating('18');
  is @pgs, 2, "Can pass parameters to created search()";
  is $pgs[0]->id, $f5->id, "F5";
  is $pgs[1]->id, $f4->id, "and F4";
};

{
    Film->set_sql(
        by_id => qq{
            SELECT  __ESSENTIAL__
            FROM    __TABLE__
            WHERE   __IDENTIFIER__
        }
    );
    
    my $film = Film->retrieve_all->first;
    my @found = Film->search_by_id($film->id);
    is @found, 1;
    is $found[0]->id, $film->id;
}


{
  Actor->has_a(film => "Film");
  Film->set_sql(
    namerate => qq{
    SELECT __ESSENTIAL(f)__
    FROM   __TABLE(=f)__, __TABLE(Actor=a)__ 
    WHERE  __JOIN(a f)__    
    AND    a.name LIKE ?
    AND    f.rating = ?
    ORDER BY title 
  }
  );

  my $a1 = Actor->create({ name => "A1", film => $f1 });
  my $a2 = Actor->create({ name => "A2", film => $f2 });
  my $a3 = Actor->create({ name => "B1", film => $f1 });

  my @apg = Film->search_namerate("A_", "PG");
  is @apg, 2, "2 Films with A* that are PG";
  is $apg[0]->title, "A", "A";
  is $apg[1]->title, "B", "and B";
}

{    # join in reverse
  Actor->has_a(film => "Film");
  Film->set_sql(
    ratename => qq{
    SELECT __ESSENTIAL(f)__
    FROM   __TABLE(=f)__, __TABLE(Actor=a)__ 
    WHERE  __JOIN(f a)__    
    AND    f.rating = ?
    AND    a.name LIKE ?
    ORDER BY title 
  }
  );

  my @apg = Film->search_ratename(PG => "A_");
  is @apg, 2, "2 Films with A* that are PG";
  is $apg[0]->title, "A", "A";
  is $apg[1]->title, "B", "and B";
}