#!/usr/bin/perl

use strict;
use warnings;
use File::Spec;
use Getopt::Std;
use IO::File;
use Switch;
use Time::HiRes qw(gettimeofday tv_interval); 
use version 0.77; our $VERSION = qv("v2.0.0");

use English qw(-no_match_vars);
local $OUTPUT_AUTOFLUSH = 1;

print my $timer_start = gettimeofday(), "\n";
my(%inputs) = ();
my(%params) = ();
getopts('o:r:p:t:n:f:g:d', \%inputs);
die "Error Getting Parameters\n" 
    unless get_params(\%inputs, \%params);
check_params(\%params);

my $outfile = 
    File::Spec->catfile($params{'outfolder'},$params{'rootname'});
my $outnamefile = 
    File::Spec->catfile($params{'outfolder'}, $params{'rootname'} );
my $outlinecount = $outfile . '_db_proc_linecount.txt';
$outfile = $outfile . '_db_proc_data.csv';
$outnamefile = $outnamefile .  '_db_proc_names.csv';
print "Output SSS File: $outfile\n";
print "Output Names File: $outnamefile\n";

my $hdrmap;
my(%hdr_types) = (
	fields  =>\&get_fields_area, 
	regions =>\&get_fields_region,
	plan    =>\&get_fields_plan
);
die 'Unable to match sss type. ' 
    unless defined($hdr_types{$params{ssstype}});
$hdrmap = $hdr_types{$params{ssstype}}();
my $namemap = get_fields_plan($params{ssstype});

#open I, '<', $infile or die "Unable to open file $infile.\n";
open my $O, '>', $outfile or die "Unable to open file $outfile.\n";
open my $ON, '>', $outnamefile or die "Unable to open file $outnamefile.\n";
#open OLCT, '<', $outlinecount or die "Unable to open file $outlinecount.\n";

foreach (my $i=0; $i<3; $i++)
{
	my $line = <$O>;
	chomp ($line);
	$line =~ s/^\s+//;
	$line =~ s/\s+$//;
	my @sp = split (/\s+/,$line);
	
	foreach (my $j=0; $j<scalar(@sp); $j++)
	{
      my @hdrs;		
		@hdrs = $hdrs[$j] . q{} . $sp[$j];	
	}

}
print "[" . join(",", my @hdrs) . "]\n";
foreach my $hdr (@hdrs){
    trim(\$hdr);
    print "CHECKING HEADERS ------------\n";
    }
    foreach my $key (sort keys %{$hdrmap}) {

	 my ( $index )= grep { $hdrs[$_] eq $hdrmap->{$key}[0] } 0..$#hdrs;
	 if (defined ($index)) {
		  $hdrmap->{$key}[1] = $index; 
		  print "HEADER MATCH: " . "\t" . $key . "\t" . $hdrmap->{$key}[0] . "\t[" . $hdrmap->{$key}[1]. "]\n";
	 }
	 else {
		  print "HEADER NOT FOUND: " . "\t" . $key . "\t" . $hdrmap->{$key}[0] . "\n";
	}
}
print "-----------------------------------------------\n";

my @flist = ();
my @fnamelist = ();
assign_names($hdrmap, \@flist);
assign_names($namemap, \@fnamelist);
print "[" . join(",", @flist) . "]\n";
print $O join(",", @flist) . ",RUN_ID\n";
print $ON join(",", @fnamelist) . ",RUN_ID\n";
exit();

my $l_units = <$O>;
chomp ($l_units);
print "UNITS -- > [$l_units]\n";	

use autodie qw(:close);
close($O);
close($ON);

sub get_params {
	my $inr = shift;
	my $pr = shift;
	$pr->{'debug'} = 1;		
	$pr->{'runid'} = -1000;	
	$pr->{'filter'} = ".*";
	$pr->{'datefilter'} = "";
	$pr->{'filename'} = "NA";
	$pr->{'outfolder'} = ".";
	$pr->{'ssstype'} = "";	
	foreach my $key (keys %{$inr}) {
		 $pr->{'debug'} = $inr->{$key} if $key eq 'd';
		 $pr->{'runid'} = $inr->{$key} if $key eq 'n';
		 $pr->{'filter'} = $inr->{$key} if $key eq 'f';
		 $pr->{'datefilter'} = $inr->{$key} if $key eq 'g';
		 $pr->{'filename'} = $inr->{$key} if $key eq 'r';
		 $pr->{'outfolder'} = $inr->{$key} if $key eq 'o';
		 $pr->{'ssstype'} = $inr->{$key}	if $key eq 't';
	}
	return 1;
}

sub check_params {
	my $pr = shift;
	die "Require RunID if not in debug mode\n" if ($pr->{debug} == 1 and $pr->{runid} == -1000);
	(-e $pr->{filename}) or die "Unable to find input filename: $pr->{filename}\n";
	(-e $pr->{outfolder}) or die "Unable to find outfolder: $pr->{outfolder}\n";
	$pr->{filter} = ".*" if $pr->{filter} eq "";
	my ($volume, $dirs, $rootname) = File::Spec->splitpath($params{filename});
	$rootname =~ s/\.sss$//;
	
	my @sp = split(/_/,$rootname);
	$params{rootname} = $rootname;
	$params{ssstype} = $sp[-1] if $params{ssstype} eq "";
	print "Run Parameters: \n";
	foreach my $key (keys %{$pr}) {
		 print "$key -> [$pr->{$key}]\n";	
	}
	return 1;	
}

sub get_fields_plan {
	my $tblFields = shift;
	$tblFields->{'DATE_EN'} = ["__________ __________ Date",-1];
	$tblFields->{'HEADER1'} = ["Header1 Header1 Header1",-1];
	$tblFields->{'HEADER2'} = ["Header2 Header2 Header2",-1];
	$tblFields->{'HEADER3'} = ["Header3 Header3 Header3",-1];
	$tblFields->{'HEADER4'} = ["Header4 Header4 Header4",-1];
	$tblFields->{'HEADER5'} = ["Header4 Header5 Header5",-1];
	$tblFields->{'HEADER6'} = ["Header6 Header6 Header6",-1];
	return $tblFields;	
}

sub assign_headers {
	my $hdrmap = shift;
	my $headline = shift;
	my $sptagref = shift;						
	$$sptagref = '\s*,\s*' if $$headline=~ m/,/;
	
	my @hdrs = split(/$$sptagref/, $$headline);
	foreach my $hdr (@hdrs){
	trim(\$hdr);
	print "CHECKING HEADERS ------------\n";
	    }
	    foreach my $key (sort keys %{$hdrmap}) {
	        my ( $index )= grep { $hdrs[$_] eq $hdrmap->{$key}[0] } 0..$#hdrs;
		         if (defined ($index)) {
			          $hdrmap->{$key}[1] = $index; 
			          print "HEADER MATCH: " . "\t" . $key . "\t" . $hdrmap->{$key}[0] . "\t[" . $hdrmap->{$key}[1]. "]\n";
       }
		 else {
			  print "HEADER NOT FOUND: " . "\t" . $key . "\t" . $hdrmap->{$key}[0] . "\n";
		 }
	}
	print "-----------------------------------------------\n";
}

sub assign_names {
	 my $hdrmap = shift;
	 my $flist = shift;
	 @$flist = ();
	 foreach my $key (sort keys %{$hdrmap}) {
	     my $i = $hdrmap->{$key}[1];
		  push(@{$flist}, $key) if ($i != -1);
	 }
}

sub trim {
	 my $sref = shift;
	 $$sref =~ s/^\s+//;
	 $$sref =~ s/\s+$//;
}