#! Perl -w
##                                       ##
#shortcuts.pl -shortcut maintaining engine#
##                                       ##
use strict;
use Text::xSV;

my $shortcut_file = 'scuts'; #Define file that contains shortcuts
my $output_file = 'sfile'; #Define file for output

########END OF USER INPUT########

my($sf,$of)=($shortcut_file,$output_file);

sub set_shortcut {
    my $is_taken=0;
    print "Which shortcut character would you like (1 letter!)? (will 
+appear in brackets) ";
    chomp(my $char=<STDIN>);
    print "What text do you want it to print?\n";
    chomp(my $text=<STDIN>);
    my $csv = new Text::xSV;
    $csv->open_file("$sf");
    $csv->bind_header();
    while ($csv->get_row()) {
        my ($shortcut) = $csv->extract(qw(shortcut));
        if ($char eq $shortcut) {
            warn "Shortcut character already used!";
            $is_taken=1;
            last;
        } 
    }
    unless ($is_taken) {
        open(SF, ">>$sf");
        print SF "$char,$text\n";
        close(SF);
    }
}
sub get_shortcuts {
    print"\n";
    my $csv = new Text::xSV;
    $csv->open_file("$sf");
    $csv->bind_header();
    while ($csv->get_row()) {
        my ($shortcut, $output) = $csv->extract(qw(shortcut output));
          print "\{$shortcut\} produces $output\n";
    }
}
sub new_doc {
    print "Type your note/doc (type {e} on a new line to end):\n";
    open(OF, ">>$of");
    while (my $line = <STDIN>) {
        last if $line =~ /\{e\}/;
        my %shortcuts;
        my $csv = new Text::xSV;
        $csv->open_file("$sf");
        $csv->bind_header();
        while ($csv->get_row()) {
            my ($shortcut, $output) = $csv->extract(qw(shortcut output
+));
            $shortcuts{$shortcut} = $output;
        }
        $line =~ s/\{(\w)\}+/$shortcuts{$1}/g;
        print OF $line;
    }
    close(OF);
}
sub get_doc {
    open(OF, "<$of");
    while (<OF>) {
        print;
    }
    close(OF);
}
        
    
unless (-s $sf) {
    open(SF, ">>$sf");
    print SF "shortcut,output\n";
    close(SF);
}

print "Welcome to S.S.E. \{Steven's Shortcut Engine\}\n";
print "\t{s} to set a shortcut\n\t{o} to view the output file's conten
+ts\n\t{n} to start typing to the output file\n\t{g} to view the short
+cuts you've already made\n";
while(1) {
    print "\%> ";
    chomp(my $choice=<STDIN>);

    if ($choice =~ /\{s\}/) {
        set_shortcut();
    } elsif ($choice =~ /\{n\}/) {
        new_doc();
    } elsif ($choice =~ /\{g\}/) {
        get_shortcuts();
    } elsif ($choice =~ /\{o\}/) {
        get_doc();
    }
}