module Geocoder

def self.config
  Configuration.instance.data
end

def self.config_for_lookup(lookup_name)
  data = config.clone
  data.reject!{ |key,value| !Configuration::OPTIONS.include?(key) }
  if config.has_key?(lookup_name)
    data.merge!(config[lookup_name])
  end
  data
end

def self.configure(options = nil, &block)
  if block_given?
    warn "WARNING: Passing a block to Geocoder.configure is DEPRECATED. Please pass a hash instead (eg: Geocoder.configure(:units => ..., :api_key => ...))."
    block.call(Configuration.instance)
  elsif !options.nil?
    Configuration.instance.configure(options)
  else
    warn "WARNING: Use of Geocoder.configure to read or write single config options is DEPRECATED. To write to the config please pass a hash (eg: Geocoder.configure(:units => ...)). To read config options please use the Geocoder.config object (eg: Geocoder.config.units)."
    Configuration.instance
  end
end

def address(query, options = {})
  if (results = search(query, options)).size > 0
    results.first.address
  end
end

def cache
  warn "WARNING: Calling Geocoder.cache is DEPRECATED. The #cache method now belongs to the Geocoder::Lookup object."
  Geocoder::Lookup.get(Geocoder.config.lookup).cache
end

def coordinates(address, options = {})
  if (results = search(address, options)).size > 0
    results.first.coordinates
  end
end

def search(query, options = {})
  query = Geocoder::Query.new(query, options) unless query.is_a?(Geocoder::Query)
  query.blank? ? [] : query.execute
end