#!/usr/bin/perl
# vim: set ft=perl:

use strict;
use warnings;
use SQL::Translator;

use File::Spec::Functions qw(catfile updir tmpdir);
use FindBin qw($Bin);
use Test::More;
use Test::Differences;
use Test::SQL::Translator qw(maybe_plan);

plan tests => 4;

use_ok('SQL::Translator::Diff') or die "Cannot continue\n";

my $tr            = SQL::Translator->new;

my ( $source_schema, $target_schema ) = map {
    my $t = SQL::Translator->new;
    $t->parser( 'YAML' )
      or die $tr->error;
    my $out = $t->translate( catfile($Bin, qw/data diff/, $_ ) )
      or die $tr->error;
    
    my $schema = $t->schema;
    unless ( $schema->name ) {
        $schema->name( $_ );
    }
    ($schema);
} (qw/create1.yml create2.yml/);

# Test for differences
my $out = SQL::Translator::Diff::schema_diff( $source_schema, 'SQLite', $target_schema, 'SQLite', 
  { no_batch_alters => 1, 
    ignore_missing_methods => 1,
    output_db => 'SQLite',
  } 
);
eq_or_diff($out, <<'## END OF DIFF', "Diff as expected");
-- Convert schema 'create1.yml' to 'create2.yml':

BEGIN;

CREATE TABLE added (
  id int(11)
);


ALTER TABLE old_name RENAME TO new_name;
DROP INDEX FK5302D47D93FE702E ON employee;
DROP INDEX UC_age_name ON person;
DROP INDEX u_name ON person;
-- SQL::Translator::Producer::SQLite cant drop_field
ALTER TABLE new_name ADD COLUMN new_field int;
ALTER TABLE person ADD COLUMN is_rock_star tinyint(4) DEFAULT '1';
-- SQL::Translator::Producer::SQLite cant alter_field
-- SQL::Translator::Producer::SQLite cant rename_field
CREATE UNIQUE INDEX unique_name_person ON person (name);
CREATE UNIQUE INDEX UC_person_id_person ON person (person_id);
CREATE UNIQUE INDEX UC_age_name_person ON person (age, name);
DROP TABLE deleted;

COMMIT;
## END OF DIFF


$out = SQL::Translator::Diff::schema_diff($source_schema, 'SQLite', $target_schema, 'SQLite',
    { ignore_index_names => 1,
      ignore_constraint_names => 1,
      output_db => 'SQLite',
    });

eq_or_diff($out, <<'## END OF DIFF', "Diff as expected");
-- Convert schema 'create1.yml' to 'create2.yml':

BEGIN;

CREATE TABLE added (
  id int(11)
);



CREATE TEMPORARY TABLE employee_temp_alter (
  position varchar(50) NOT NULL,
  employee_id int(11) NOT NULL,
  PRIMARY KEY (position, employee_id)
);
INSERT INTO employee_temp_alter SELECT position, employee_id FROM employee;
DROP TABLE employee;
CREATE TABLE employee (
  position varchar(50) NOT NULL,
  employee_id int(11) NOT NULL,
  PRIMARY KEY (position, employee_id)
);
INSERT INTO employee SELECT position, employee_id FROM employee_temp_alter;
DROP TABLE employee_temp_alter;

ALTER TABLE old_name RENAME TO new_name;
ALTER TABLE new_name ADD COLUMN new_field int;
CREATE TEMPORARY TABLE person_temp_alter (
  person_id INTEGER PRIMARY KEY NOT NULL,
  name varchar(20) NOT NULL,
  age int(11) DEFAULT '18',
  weight double(11,2),
  iq int(11) DEFAULT '0',
  is_rock_star tinyint(4) DEFAULT '1',
  physical_description text
);
INSERT INTO person_temp_alter SELECT person_id, name, age, weight, iq, is_rock_star, physical_description FROM person;
DROP TABLE person;
CREATE TABLE person (
  person_id INTEGER PRIMARY KEY NOT NULL,
  name varchar(20) NOT NULL,
  age int(11) DEFAULT '18',
  weight double(11,2),
  iq int(11) DEFAULT '0',
  is_rock_star tinyint(4) DEFAULT '1',
  physical_description text
);
CREATE UNIQUE INDEX unique_name_person02 ON person (name);
CREATE UNIQUE INDEX UC_person_id_person02 ON person (person_id);
CREATE UNIQUE INDEX UC_age_name_person02 ON person (age, name);
INSERT INTO person SELECT person_id, name, age, weight, iq, is_rock_star, physical_description FROM person_temp_alter;
DROP TABLE person_temp_alter;

DROP TABLE deleted;

COMMIT;
## END OF DIFF


# Test for sameness
$out = SQL::Translator::Diff::schema_diff($source_schema, 'MySQL', $source_schema, 'MySQL' );

eq_or_diff($out, <<'## END OF DIFF', "No differences found");
-- Convert schema 'create1.yml' to 'create1.yml':

-- No differences found

## END OF DIFF

