package LIMS::Controller::PAS;

use strict;

use base 'LIMS::Base';

use LIMS::Local::PAS;
use LIMS::Local::Utils; # format_postcode()

#-------------------------------------------------------------------------------
sub search : StartRunmode {
    my $self = shift; $self->_debug_path($self->get_current_runmode);

    my $patient_id =
        $self->param('id') || $self->query->param('_patient_id'); # warn $case_id;

    my $patient = $self->model('Patient')->get_patient($patient_id);
    my $cases   = $self->model('PatientCase')->get_cases_by_patient_id($patient_id);
    
    my %all_unit_numbers =
        map  { $_->unit_number, 1 }
        grep { $_->unit_number ne $_->meta->column('unit_number')->default }
        @$cases;
        
    my @unit_numbers = sort keys %all_unit_numbers;    

    $self->tt_params(
        patient => $patient,
        unit_numbers => \@unit_numbers,
    );

    my $html = $self->tt_process;
    return $self->fill_form($html);
}

#-------------------------------------------------------------------------------
sub do_search : Runmode {
    my $self = shift; $self->_debug_path($self->get_current_runmode);

    my $data = $self->query->Vars; # $self->debug($data);

    my $number_of_vars = grep $data->{$_},
        qw(last_name first_name dob unit_number nhs_number post_code); # warn $number_of_vars;

    unless ( $number_of_vars >= 2 ) { # warn 'Insufficient no. of vars';
        $self->flash( error => $self->messages('demographics')->{pas_insufficient_vars} );
        return $self->forward('search');
    }

    my @pas_config_settings = qw(pas_address pas_username pas_pwd);

    my %pas_config = map {
        $_ => $self->cfg('settings')->{$_};
    } @pas_config_settings; # $self->debug(\%pas_config);

    # need all required PAS config settings, or return:
    return if grep ! $pas_config{$_}, @pas_config_settings;

    if ( my $zip = $data->{post_code} ) {
        my $formatted_postcode = LIMS::Local::Utils::format_postcode($zip);
        $data->{post_code} = $formatted_postcode;
    }

    my %args = (
        patient  => $data,
        config   => \%pas_config,
        messages => $self->messages('demographics'),
    );

    my $pas = LIMS::Local::PAS->new(\%args);

    my $result = $pas->query; # $self->debug($result);

    my $is_arrayref = sub { ref shift eq 'ARRAY' };
    
    $self->tt_params(
        pas_results => $result,
        is_arrayref => $is_arrayref,
    );

    return $self->forward('search');
}

1;