#!/usr/bin/env perl

use strict;
use warnings;

use Module::Runtime 'use_module';
use DBIx::Class::_Util qw(mkdir_p parent_dir);
use SQL::Translator;
use Getopt::Long;
my $getopt = Getopt::Long::Parser->new(
  config => [qw/gnu_getopt bundling_override no_ignore_case/]
);
my $args = {};
$getopt->getoptions($args, qw/
  ddl-out=s@
  schema-class=s@
  deploy-to=s@
/);

die "You need to specify one DDL output filename via --ddl-out\n"
  if @{$args->{'ddl-out'}||[]} != 1;

die "You need to specify one DBIC schema class via --schema-class\n"
  if @{$args->{'schema-class'}||[]} != 1;

die "You may not specify more than one deploy path via --deploy-to\n"
  if @{$args->{'deploy-to'}||[]} > 1;

local $ENV{DBI_DSN};
my $schema = use_module( $args->{'schema-class'}[0] )->connect(
  $args->{'deploy-to'}
    ? ( "DBI:SQLite:$args->{'deploy-to'}[0]", undef, undef, { on_connect_do => "PRAGMA synchronous = OFF" } )
    : ()
);

if ($args->{'deploy-to'}) {
  mkdir_p parent_dir $args->{'deploy-to'}[0];
  $schema->deploy({ add_drop_table => 1 });
}

my $ddl_fh;
if ($args->{'ddl-out'}[0] eq '-') {
  $ddl_fh = *STDOUT;
}
else {
  mkdir_p parent_dir $args->{'ddl-out'}[0];
  open $ddl_fh, '>', $args->{'ddl-out'}[0]
    or die "Unable to open $args->{'ddl-out'}[0]: $!\n";
}
binmode $ddl_fh;  # avoid win32 \n crapfest

print $ddl_fh scalar $schema->deployment_statements(
  'SQLite',
  undef,
  undef,
  {
    producer_args => { no_transaction => 1 },
    quote_identifiers => 1,
    no_comments => 1,
  },
);