#!/usr/bin/perl
#
# Routino search results retrieval CGI
#
# Part of the Routino routing software.
#
# This file Copyright 2012-2014 Andrew M. Bishop
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

use strict;

# Use the generic search script
require "search.pl";

# Use the perl CGI module
use CGI ':cgi';


# Create the query and get the parameters

my $query=new CGI;

my @rawparams=$query->param;

# Legal CGI parameters with regexp validity check

my %legalparams=(
              "marker"  => "[0-9]+",

              "lonmin"  => "[-0-9.]+",
              "lonmax"  => "[-0-9.]+",
              "latmax"  => "[-0-9.]+",
              "latmin"  => "[-0-9.]+",

              "search"  => ".+"
             );

# Validate the CGI parameters, ignore invalid ones

my %cgiparams=();

foreach my $key (@rawparams)
  {
   foreach my $test (keys (%legalparams))
     {
      if($key =~ m%^$test$%)
        {
         my $value=$query->param($key);

         if($value =~ m%^$legalparams{$test}$%)
           {
            $cgiparams{$key}=$value;
            last;
           }
        }
     }
  }

# Parse the parameters

my $marker=$cgiparams{marker};
my $search=$cgiparams{search};

my $lonmin=$cgiparams{lonmin};
my $lonmax=$cgiparams{lonmax};
my $latmax=$cgiparams{latmax};
my $latmin=$cgiparams{latmin};

# Run the search

my($search_time,$search_message,@places)=RunSearch($search,$lonmin,$lonmax,$latmax,$latmin);

# Return the output

print header(-type=>'text/plain',-charset=>'utf-8');

print "$marker\n";
print "$search_time\n";
print "$search_message\n";
foreach my $place (@places)
  {
   print "$place\n";
  }