#!/usr/bin/perl -w
use strict;
use Date::Calc qw(Add_Delta_Days Delta_Days);
use Time::Local;
use lib '/var/chroot/home/content/17/10541917/html/lib/Geo-Hashing-0.06/lib';
use Geo::Hashing;
use CGI qw(warningsToBrowser fatalsToBrowser);

$\ = "\n";

my $t = localtime;
my @u = split /\s/,$t; 
$t=join '-',@u; 
my $filename = "$t.kml";
#can also use $t=time; for number of seconds since the epoch.
my $q = CGI->new;                        # create new CGI object
if ((! $q->param('submit')) && (! $q->param('submitToGoogle'))){
        
   print $q->header;
   print $q->start_html('Geohashing History'), # start the HTML
         h1('Welcome to the Geohashing History Calculator.');         
    print $q->start_form();
    
    #Latitude
    print $q->p("Latitude for the graticule you're interested in:");
    print $q->textfield(-name=>'lat',
                        -value=>'39',
                        -size=>3,
                        -maxlength=>3);
    print $q->br;
    #Longitude
    print $q->p("Longitude for the graticule you're interested in:");
    print $q->textfield(-name=>'lon',
                        -value=>'-77',
                        -size=>3,
                        -maxlength=>3);
    print $q->br;
    #Begin date (must be after XXXX)
    print $q->p("Begin date of date range (in YYYY-MM-DD format)");
    print $q->textfield(-name=>'begindate',
                        -value=>'2013-03-21',
                        -size=>10,
                        -maxlength=>10);
    print $q->br;
    #End date
    # Grab the current date so we can set the default
    my ($a,$b,$c,$todayday,$todaymonth,$todayyear,$d,$e,$f) = localtime(time);
    
    # Do some interim math.
    $todayyear = $todayyear+1900;
    $todaymonth = $todaymonth+1;
    
    print $q->p("End date of date range (in YYYY-MM-DD format)");
    print $q->textfield(-name=>'enddate',
                        -value=>sprintf("$02d-%02d-%04d",$todayyear,$todaymonth,$todayday),
                        -size=>10,
                        -maxlength=>10);
    print $q->br;
    #Filename?
    #Submit button
    print $q->submit(-name=>'submit', -value=>'submit information');
    print $q->end_form();
    
    print $q->end_html;                  # end the HTML
}elsif (param('submit')){

    #print $q->header,                    # create the HTTP header
    #     start_html('Geohashing History Results'), # start the HTML
    #     h3('Geohashing History Results');         # level 1 header
    #Latitude
    #print $q->start_form;
    ##print $q->h3("You submitted the form.");
    #my $startdate=param('begindate');
    #my ($year, $month, $day) = split /-/ , $startdate;
    #my ($startyear, $startmonth, $startday) = split /-/ , $startdate;
    #my $enddate=param('enddate');
    #my ($endyear, $endmonth, $endday) = split /-/ , $enddate;
    #my $delta = Delta_Days(($startyear, $startmonth, $startday),($endyear,$endmonth,$endday));
    #
    #print $q->h6("You have $delta days in your date range.");
    #
    #my $lat = param('lat');
    #my $lon=param('lon');
    ## Translate months for placemark titles.
    #my @months = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
    ## Output file header xml stuff
    #
    #open FH, "> $filename" ||  die "Can't open $filename: $!";
    #print $q->FH "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
    #<kml xmlns=\"http://www.google.com/earth/kml/2\">
    #<Document>
    #<name>Historical Geohash Points for ",$lat,",",$lon,"</name>
    #";
    #
    ## Main loop
    #for (my $i = 0; $i <= $delta; $i++) {
    #
    #        # format date for Geo::Hashing
    #        my $date = sprintf("%04d-%02d-%02d", $year, $month, $day);
    #
    #        # magic happens!
    #        my $geo = new Geo::Hashing(lat => $lat, lon => $lon, date => $date);
    #
    #        # output placemark xml
    #        print $q->FH "<Placemark>";
    #        print $q->FH "<name>";
    #        print $q->FH $months[$month-1]," ",$day,", ",$year;
    #        print $q->FH "</name>";
    #        print $q->FH "<description>",$geo->lat,", ",$geo->lon,"</description>";
    #        print $q->FH "<Point><coordinates>",$geo->lon,",",$geo->lat,"</coordinates></Point>";
    #        print $q->FH "</Placemark>","\n";
    #
    #        # increment day and loop again!
    #        ($year, $month, $day) = Add_Delta_Days($startyear, $startmonth, $startday, $i);
    #}
    #
    ## finish up xml file
    #print $q->FH "</Document>
    #</kml>";
    #
    #print $q->submit(-name=>'submitToGoogle', -value=>'View Results in Google Maps');
    #
    #print $q->end_html;                  # end the HTML
}elsif(param->('submitToGoogle')){
    print $q->header;                    # create the HTTP header
    print $q->start_html('Redirect page'), # start the HTML
         h3('Redirect Page');         # level 1 header
   #print $q->redirect("https://maps.google.com/maps?q=http:%2F%2Fpqrs.be%2Fmisc%2F$filename");
   print $q->end_html;                  # end the HTML
}else{
    print $q->header; # create the HTTP header
    print $q->start_html("Shouldn't be here"), # start the HTML
         h3('You are here in error.');         
   #print $q->redirect("https://maps.google.com/maps?q=http:%2F%2Fpqrs.be%2Fmisc%2F$filename");
   print $q->end_html;                  # end the HTML
    
}