class TmdbMovie
  
  def self.find(options)
    options = {
      :expand_results => true,
      :language       => Tmdb.default_language
    }.merge(options)
    
    raise ArgumentError, "At least one of: id, title, imdb should be supplied" if(options[:id].nil? && options[:title].nil? && options[:imdb].nil?)
    
    results = []
    unless(options[:id].nil? || options[:id].to_s.empty?)
      results << Tmdb.api_call("movie", {:id => options[:id].to_s}, options[:language])
    end
    unless(options[:title].nil? || options[:title].to_s.empty?)
      api_return = Tmdb.api_call("search/movie", {:query => options[:title].to_s}, options[:language])
      results << api_return["results"] if api_return
    end
    unless(options[:imdb].nil? || options[:imdb].to_s.empty?)
      results << Tmdb.api_call("movie", {:id => options[:imdb].to_s}, options[:language])
      options[:expand_results] = true
    end
    
    results.flatten!(1)
    results.uniq!
    results.delete_if &:nil?
    
    unless(options[:limit].nil?)
      raise ArgumentError, ":limit must be an integer greater than 0" unless(options[:limit].is_a?(Fixnum) && options[:limit] > 0)
      results = results.slice(0, options[:limit])
    end
    
    results.map!{|m| TmdbMovie.new(m, options[:expand_results], options[:language])}
    
    if(results.length == 1)
      return results.first
    else
      return results
    end
  end
  
  def self.new(raw_data, expand_results = false, language = nil)
    # expand the result by calling movie unless :expand_results is false or the data is already complete
    # (as determined by checking for the posters property in the raw data)
    if(expand_results && (!raw_data.has_key?("posters") || !raw_data['releases'] || !raw_data['cast']))
      begin
        movie_id              = raw_data['id']
        raw_data              = Tmdb.api_call 'movie', { :id => movie_id }, language
        @images_data          = Tmdb.api_call("movie/images", {:id => movie_id}, language)
        @releases_data        = Tmdb.api_call('movie/releases', {:id => movie_id}, language)
        @cast_data            = Tmdb.api_call('movie/casts', {:id => movie_id}, language)
        raw_data['posters']   = @images_data['posters']
        raw_data['backdrops'] = @images_data['backdrops']
        raw_data['releases']  = @releases_data['countries']
        raw_data['cast']      = @cast_data['cast']
        raw_data['crew']      = @cast_data['crew']
      rescue => e
        raise ArgumentError, "Unable to fetch expanded infos for Movie ID: '#{movie_id}'" if @images_data.nil? || @releases_data.nil? || @cast_data.nil?
      end
    end
    return Tmdb.data_to_object(raw_data)
  end
  
  def ==(other)
    return false unless(other.is_a?(TmdbMovie))
    return @raw_data == other.raw_data
  end
    
end