#!/usr/bin/perl

# script: loan.cgi
use CGI qw/:standard :html3/;

use DBI;

#use STRICT;

#ouvrir la base de donnees
my $conn = DBI->connect("dbi:Pg:dbname=s_marchand");

$query = new CGI;

# this defines the contents of the fill out forms
# on each page.
@PAGES = ('Nos produits','Votre commande','Vos coordonnées','Review','Confirmation');
%FIELDS = ('Nos produits' 		=> ['Reference','Prix unitaire HT','Descriptif'],
           'Votre commande'		=> ['ref','designation','qté','PU HT'],
           'Vos coordonnées' 	=> ['Société','Nom','Prénom','Adresse','Code postal','ville','adresse de livraison (si différente de la précédente', 'Code postal', 'Ville']
           );
# accumulate the field names into %ALL_FIELDS;
foreach (values %FIELDS) {
    grep($ALL_FIELDS{$_}++,@$_);
}


# figure out what page we're on and where we're heading.
$current_page = calculate_page(param('page'),param('go'));
$page_name = $PAGES[$current_page];

print_header();
print_form($current_page)         if $FIELDS{$page_name};
print_review($current_page)       if $page_name eq 'Review';
print_confirmation($current_page) if $page_name eq 'Confirmation';
print end_html;

# CALCULATE THE CURRENT PAGE
sub calculate_page {
    my ($prev,$dir) = @_;
    return 0 if $prev eq '';    # start with first page
    return $prev + 1 if $dir eq 'Submit Application';
    return $prev + 1 if $dir eq 'Next Page';
    return $prev - 1 if $dir eq 'Previous Page';
}

# PRINT HTTP AND HTML HEADERS
sub print_header {
    print header,
    start_html(-title=>"Site marchand AIRTRIA",-BGCOLOR=>'white'),
    h2($page_name);
}

# PRINT ONE OF THE QUESTIONNAIRE PAGES
sub print_form {
    my $current_page = shift;
    print   start_form,
       hr;
    print draw_form(@{$FIELDS{$page_name}});
    print hr;
    print submit(-name=>'go',-value=>'Previous Page') 
        if $current_page > 0;
    print submit(-name=>'go',-value=>'Next Page'),
       hidden(-name=>'page',-value=>$current_page,-override=>1),
       end_form;
}

# PRINT THE REVIEW PAGE
sub print_review {
    my $current_page = shift;
    print "Please review this information carefully before submitting it. ",
       start_form;
    my (@rows);
    foreach $page ('Nos produits','Votre commande','Vos coordonnées') {
        push(@rows,th({-align=>LEFT},em($page)));
        foreach $field (@{$FIELDS{$page}}) {
            push(@rows,
                 TR(th({-align=>LEFT},$field),
                    td(param($field)))
                 );
            print hidden(-name=>$field);
        }
    }
    print table({-border=>1},caption($page),@rows),
       hidden(-name=>'page',-value=>$current_page,-override=>1),
       submit(-name=>'go',-value=>'Previous Page'),
       submit(-name=>'go',-value=>'Submit Application'),
       end_form;
}

# PRINT THE CONFIRMATION PAGE
sub print_confirmation {
    print "Thank you. A loan officer will be contacting you shortly.",
       p,
       a({-href=>'../source.html'},'Code examples');
}

# CREATE A GENERIC QUESTIONNAIRE
sub draw_form {
    my (@fields) = @_;
    my (%fields);
    grep ($fields{$_}++,@fields);
    my (@hidden_fields) = grep(!$fields{$_},keys %ALL_FIELDS);
    my (@rows);
    if ($page_name eq "Nos produits"){
	my $conn = DBI->connect("dbi:Pg:dbname=s_marchand");

	my ($code_famille,$code_produit,$denomination,$prix_ht,$en_stock,$fichier_image,$descriptif);
	my (@rowproduits);

	#$conn->do("SET DateStyle = 'European'");

	my $query = $conn->prepare(
	    "SELECT *" .
	    " FROM produits"
	    );
	$query->execute();

	#while (@rowproduits = $query->fetchrow_array())
	#{
	#($code_famille,$code_produit,$denomination,$prix_ht,$en_stock,$fichier_image,$descriptif) = @rowproduits;

	 #print $code_famille," ",$code_produit," ",$denomination," ", $prix_ht," ",$en_stock," ",$fichier_image," ",$descriptif,br; 
            
	#}

	#undef($query);
#$conn->disconnect();
#$conn = undef;

	foreach (@fields) {
        push(@rows,
             print TR(th({-align=>LEFT},$_),
                td(textfield(-name=>$_,-size=>50))
                ),br
             );
	}
	#print table({-border=>0},
            #Tr({-align=>LEFT,-valign=>CENTER},
            #[
		#td({-rowspan=>4},img{height=>200,width=>200,border=>1}),
		#td({-align=>RIGHT},['',b('Référence : '), textfield(-name=>$_[0],-size=>10),'	',b('Prix unitaire H.T. : '), textfield(-name=>$_[1],-size=>7),b('Euros')]),
           # ]
	    #),
            #Tr({-align=>LEFT,-valign=>CENTER},
            #[
		#td({-align=>RIGHT},['',b('Descriptif : ')]),					td({-colspan=>7,-align=>RIGHT},[(textfield(-name=>$_[2],-size=>60))]),
            #]
	    #),
            #Tr({-align=>LEFT,-valign=>CENTER},
            #[
		 #td({-colspan=>7,-align=>RIGHT},[submit]),
            #]
	    #),

	#); #fin print table
    }elsif ($page_name eq "Votre commande"){
	foreach (@fields) {
        push(@rows,
             print TR(th({-align=>LEFT},$_),
                td(textfield(-name=>$_,-size=>50))
                ),br
             );
	}
    }else{
	foreach (@fields) {
        push(@rows,
             print TR(th({-align=>LEFT},$_),
                td(textfield(-name=>$_,-size=>50))
                ),br
             );
	}
    }
    #print table(@rows);
    foreach (@hidden_fields) {
        print hidden(-name=>$_);
    }
}