use strict;
use Test::More;

BEGIN {
    eval "use DBD::SQLite";
    plan $@ ? (skip_all => 'needs DND::SQLite for testing')
	: (tests => 37);
}

use DBI;

my $DB  = "t/testdb";
unlink $DB if -e $DB;

my @DSN = ("dbi:SQLite:dbname=$DB", '', '', { AutoCommit => 1 });
DBI->connect(@DSN)->do(<<SQL);
CREATE TABLE film (id INTEGER NOT NULL PRIMARY KEY, title VARCHAR(32))
SQL
    ;

package Film;

use base qw(Class::DBI);
__PACKAGE__->set_db(Main => @DSN);
__PACKAGE__->table('film');
__PACKAGE__->columns(Primary => qw(id));
__PACKAGE__->columns(All => qw(title));

use Class::DBI::Pager;

package main;
for my $i (1..50) {
    Film->create({
	title => "title $i",
    });
}

{
    my $pager = Film->pager(20, 1);
    eval { $pager->total_entries; };
    like $@, qr/Can't call pager methods without searching/, $@;
}

{
    my $pager    = Film->pager(20, 1);
    my $iterator = $pager->retrieve_all;

    isa_ok $pager, 'Class::DBI::Pager';
    is $pager->total_entries, 50, "total is 50";
    is $pager->entries_per_page, 20, "entries_per_page";
    is $pager->current_page, 1, "current_page";
    is $pager->first_page, 1, "first page";
    is $pager->last_page, 3, "last page is 3";
    is $pager->first, 1, "first is 1";
    is $pager->last, 20, "last is 20";
    is $pager->previous_page, undef, "previous_page";
    is $pager->next_page, 2, "next_page";

    isa_ok $iterator, 'Class::DBI::Iterator';
    is $iterator->count, 20, 'iterator counts 20';
}

{
    my $pager    = Film->pager(20, 3);
    my $iterator = $pager->retrieve_all;

    isa_ok $pager, 'Class::DBI::Pager';
    is $pager->total_entries, 50, "total is 50";
    is $pager->entries_per_page, 20, "entries_per_page";
    is $pager->current_page, 3, "current_page";
    is $pager->first_page, 1, "first page";
    is $pager->last_page, 3, "last page is 3";
    is $pager->first, 41, "first is 41";
    is $pager->last, 50, "last is 50";
    is $pager->previous_page, 2, "previous_page";
    is $pager->next_page, undef, "next_page";

    isa_ok $iterator, 'Class::DBI::Iterator';
    is $iterator->count, 10, 'iterator counts 10';
}

{
    my $pager    = Film->pager(20, 1);
    my $iterator = $pager->search_like(title => "title 1%");

    isa_ok $pager, 'Class::DBI::Pager';
    is $pager->total_entries, 11, "total is 11";
    is $pager->entries_per_page, 20, "entries_per_page";
    is $pager->current_page, 1, "current_page";
    is $pager->first_page, 1, "first page";
    is $pager->last_page, 1, "last page is 1";
    is $pager->first, 1, "first is 1";
    is $pager->last, 11, "last is 11";
    is $pager->previous_page, undef, "previous_page";
    is $pager->next_page, undef, "next_page";

    is $iterator->count, 11, "iterator counts 11";

    my @list = $pager->search_like(title => "title 1%");
    is scalar(@list), 11, "array context works";
}

END { unlink $DB if -e $DB }