#!/usr/bin/perl
#
# gcget 34.25,-118.25 100 > yeah.loc
# ./gcget "Johnstown,CA" 10|gc2gpspoint - -|viking -
#
# have to make viking-remote allow multiple points. maybe just regular input + maps ?

$USERNAME="username";
$PASSWORD="password";

$what = $ARGV[0];
if (!$what) {
  print "Nothing to do!\nUsage: gcget zip/lat,lon/lat.mm.mmm,lon.mm.mmm/address [max]";
  exit(0);
}


$zip = $lat = $lon = "";
if ( $what =~ /^(-?[0-9]{0,3}(\.[0-9]{0,9})?),(-?[0-9]{0,3}(\.[0-9]{0,9})?)$/ ) {
  ($lat,$lon) = ($1,$3);
} elsif ( $what =~ /^(-?[0-9]{1,3})\.([0-9]{1,2}\.[0-9]{0,3}),(-?[0-9]{1,3})\.([0-9]{1,2}\.[0-9]{0,3})$/ ) {
  $lat = $1 + ($1 < 0 ? -1 : 1) * $2 / 60;
  $lon = $3 + ($3 < 0 ? -1 : 1) * $4 / 60;
} elsif ( $what =~ /^[0-9]{5}$/ ) {
  $zip = $what;
} else {
  $address = `gpsaddress.pl "$what"`;
  if (not (($address) and $address =~ /^(-?[0-9]{1,3}(\.[0-9]{1,9})?) (-?[0-9]{1,3}(\.[0-9]{1,9})?)$/ )) {
    die "gpsaddress failed looking up address '$what'\n"
  } else {
    ($lat,$lon) = ($1,$3);
  }
}

# turn on perl's safety features
use warnings;
use WWW::Mechanize;
use HTML::TableContentParser;
$browser = WWW::Mechanize->new();

$browser->get("http://www.geocaching.com/seek/");
$browser->follow("log in");
print STDERR $browser->title() . "\n";
$browser->form_number(1);
$browser->field("myUsername", $USERNAME);
$browser->field("myPassword", $PASSWORD);
$browser->click();
print STDERR $browser->title() . "\n\n";

if ( $zip ) {
  $browser->form(1);
  $browser->field("zip", $zip);
} else {
  $browser->form(6);
  $browser->field("origin_lat", $lat);
  $browser->field("origin_long", $lon);
}
$browser->click();

$gcsdone = 0;
$maxgcs = $ARGV[1] ? $ARGV[1] : 1000000;

print STDERR "\nPages: ";

print "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<loc version=\"1.0\" src=\"Groundspeak\">\n";


while ( $gcsdone < $maxgcs ) {

$p = HTML::TableContentParser->new();
$tables = $p->parse($browser->content());

$t = ${$tables}[10];
@rows = @{$t->{rows}};
$r = $rows[8];

@cs = @{$r->{cells}};

$browser->form_number(1);

for ( $i = 0; $i < 20; $i++ ) {
  $r = $rows[4+(2*$i)];
  @cs = @{$r->{cells}};
  if ( $gcsdone < $maxgcs && (! $cs[1]->{data}) ) {
    if ( $cs[7]->{data} =~ /name='CID' value='(.*)'>/ ) {
      $browser->tick("CID", $1);
      $gcsdone++;
    }
  }
}

$browser->click("Download");
@lines = split "\n", $browser->content();
shift @lines; shift @lines; pop @lines;
print join "\n", @lines;
print "</waypoint>\n";

$browser->back();
$form = $browser->form_name("Form1");
$nextlink = $browser->find_link( text => "Next" );
if ( $nextlink ) {
  if ( ($nextlink->url()) =~ /_ctl([0-9]+)/ ) {
    $form->push_input("hidden", {"name" => "ResultsPager:_ctl$1", value => ""});
  } else {
    print STDERR "\n\nERROR\n\n";
    print "</loc>\n";
    exit(0);
  }
} else {
  print STDERR "\n\nDONE\n\n";
  print "</loc>\n";
  exit(0);
}
$browser->submit();

print STDERR "i";

}

print STDERR "\n\nREACHED MAX\n\n";
print "</loc>\n";