package LIMS::Model::Outreach;

use Moose;
with (
	'LIMS::Model::Roles::DBIxSimple',
);
extends 'LIMS::Model::Base';
use namespace::clean -except => 'meta';

__PACKAGE__->meta->make_immutable;

use Data::Dumper;

sub get_all_data {
    my ($self, $request_id) = @_; # warn $request_id;
    
    my $dbix = $self->lims_dbix;
    
    my %data = ();    

    { # first get list of all departments, lab_tests, defaults & ranges:
        my $sql = $self->sql_lib->retr('outreach_lab_params');
        my $query = $dbix->query($sql);
        
        # get list of cols from defaults_and_ranges table:
        my $meta = $self->get_meta('outreach.defaults_and_ranges'); # warn Dumper $meta;
        my @cols = grep {
            $meta->{$_}->{key} ne 'PRI' # skip primary key
        } keys %$meta; # warn Dumper \@cols;        

        while ( my $vars = $query->hash ) {
            my $param = $vars->{param_name};
            my $dept  = $vars->{description};
            
            my %params = (
                field_label => $vars->{field_label},
                field_type  => $vars->{field_type},
                result      => undef, # initialise placeholder
            );
            
            $data{$dept}{$param} = \%params;
            
            # add any (optional) default & ranges cols:
            map {
                $data{$dept}{$param}{$_} = $vars->{$_};
            } grep $vars->{$_}, @cols;
        }        
    }
    { # add lab_test results:
        my $sql = $self->sql_lib->retr('outreach_lab_results');
        my $query = $dbix->query($sql, $request_id);
        
        while ( my $vals = $query->hash ) {
            my $result = $vals->{result};
            my $param  = $vals->{param_name};
            my $dept   = $vals->{description};
            
            $data{$dept}{$param}{result} = $result;
        }
    }
    { # add demographics data:
        my $sql = $self->sql_lib->retr('outreach_patient_demographics');
        my $demographics = $dbix->query($sql, $request_id)->hash;
        $data{demographics} = $demographics;        
    }
    # get GP's for practice:
    if ( my $practice_id = $data{demographics}{practice_id} ) {
        my $GPs = $self->_get_practitioners($practice_id);
        $data{demographics}{practitioners} = $GPs;
        # get unknown practitioner id:
        my $o = LIMS::DB::ReferralType->new(description => 'practitioner')->load;
        my $ref
            = LIMS::DB::Referrer->new(national_code => $o->default_unknown)->load;
        $data{demographics}{unknown_gp_id} = $ref->id;
    }
    { # get menu options:
        my $sql = $self->sql_lib->retr('outreach_menu_options');
        my $query = $dbix->query($sql);
        my %opts;
        while ( my $vars = $query->array ) {
            my ($param_name, $detail) = @$vars;
            push @{ $opts{$param_name} }, $detail;
        }
        $data{menu_options} = \%opts;
    }
    
    return \%data;
}
    
sub get_diagnosis_ids {
    my $self = shift;
    
    my $dbix = $self->lims_dbix;
    
    my $ids = $dbix->query('select diagnosis_id from outreach.diagnoses')->flat;
    return $ids;    
}

sub _get_practitioners { # from M::Referrer::get_referrers_by_source_id
    my ($self, $source_id) = @_;
    
    my @args = (
        query => [ 'referral_sources.id' => $source_id ],
        require_objects => [
            'referrer',
            'parent_organisation.referral_source'
        ],
    );

    # use ReferrerDepartment - easier to retrieve data from object:
    my $referrers = LIMS::DB::ReferrerDepartment::Manager
        ->get_referrer_department(@args);

    my @data = map { # warn Dumper $_->as_tree;
        [ $_->referrer->id, $_->referrer->name ];
    } sort { $a->referrer->name cmp $b->referrer->name } @$referrers;
    
    return \@data;
}

1;