#!/usr/bin/perl -w

use strict;
use Text::Wrap;
use PDF::Create;
use CGI qw(:standard);
use DBI();
CGI::ReadParse();

#define how many columns text to be wrapped to
    $Text::Wrap::columns = 58;


#database stuff to get my text
    my $dbh = DBI->connect("DBI:mysql:database=somedb;host=xyz.net",
                         "username", "password",
                         {'RaiseError' => 1});
    
    my $text_id = param('iid');
    my $textfinal;
    
    my $retrieve = $dbh->prepare("SELECT text FROM texts where id=$text_id");
    $retrieve->execute();
    while (my $ref = $retrieve->fetchrow_hashref()) {
    $textfinal = $ref->{'text'};
    }
    $retrieve->finish();
    
    # Disconnect from the database.
    $dbh->disconnect();


#pdf stuff to make my pdf
    my $pdf = new PDF::Create('filename' => '/Users/username/Desktop/pagetest.pdf',
                  'Version'  => 1.2,
                  'PageMode' => 'UseNone',
                  'Author'   => 'www.xyz.net',
                  'Title'    => 'Some Document',
             );
    my $root = $pdf->new_page('MediaBox'  => [ 0, 0, 612, 792 ]);

# Add a page which inherits its attributes from $root
    my $page = $root->new_page;

# Prepare 2 fonts
    my $font1 = $pdf->font('Subtype'  => 'Type1',
                    'Encoding' => 'WinAnsiEncoding',
                 'BaseFont' => 'Helvetica');
    my $font2 = $pdf->font('Subtype'  => 'Type1',
                 'Encoding' => 'WinAnsiEncoding',
                 'BaseFont' => 'Courier');

#some text for the page    
    my $line1 = 'some text here';
    my $line2 = 'some text there';
    my $footer = 'www.xyz.net';

#for text::wrap to format it needs these values
    my $initial_tab = "\t";    # Tab before first line
    my $subsequent_tab = "";   # All other lines flush left

#split the original text into an array
#this is where the error comes up
#Use of uninitialized value in split at filename.pl line XX.
#However when I have this in another perl script it works just fine
    my @text = split(/\n/, $textfinal);

#indent all paragraphs not just the first
    my $newtext = fill($initial_tab, $subsequent_tab, @text);

#now split the formatted text into lines so I can print them onto the pdf
    my @page_text = split(/\n/, $newtext);

#other stuff like page number, formatting, etc.
    my $pageNo = 1;
    
    $page->string($font2, 10, 530, 45, $pageNo++);
    
    $page->stringc($font2, 10, 306, 720, $line1);
    $page->stringc($font2, 10, 306, 708, $line2);
    
    $page->stringc($font2, 10, 306, 45, $footer);
    
my $lineCountNo = 1;
my $height = 675;
my $lineCount = 1;

    foreach my $new_line(@page_text) {
        
        #this is where the formatted text comes in one line at a time for the pdf
            $page->string($font2, 10, 95, $height, $new_line);
    
            $height -= 23;
            $lineCount++;
    }


# finish the pdf
    $pdf->close;