require 'find'

def points_optimize()
  # write this - TODO
end

def points_load()
  points = []
  Find.find("./") do |path|
    if FileTest.directory?(path)
      next
    end
    f = File.new(path,"r")
    d = f.read
    begin
      terms = d.split(' ')
      lat = terms[5].split(',')[0].to_f
      lon = terms[6].to_f
      if lat && lat != 0.0 && lon && lon != 0.0
        if lat < 60 && lat > 0 && lon > -140 && lon < -20
          points << [lat,lon]
        end
      end
    rescue
    end
    f.close
  end
  return points
end

def points_dump(points)
  puts "var data = [\n"
  (0..points.length).step(1) do |i|
    lat = points[i][0]
    lon = points[i][1]
    puts "\t#{lat},#{lon},\n"
  end
  puts "];\n"
end

def points_save_xml(points)
  begin
    o = File.new("data.xml","w")
    o.write "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
    o.write "<whereis>\n"
    points.each {|p| 
      o.write "\t<point lat=\"#{p[0]}\" lon=\"#{p[1]}\" />\n" 
    }
    o.write "</whereis>\n"
    o.close
  rescue
  end
end