module GameData
  module ClassMethods
    def get(other)
      validate other => [Symbol, self, String, Integer]
      return other if other.is_a?(self)
      other = other.to_sym if other.is_a?(String)

      if other.to_s.match?(/\AB\d+H\d+\z/)
        species = GameData::FusedSpecies.new(other)
        return species
      end

      if other.is_a?(Integer) && self == GameData::Species
        if other > Settings::NB_POKEMON
          body_id = getBodyID(other)
          head_id = getHeadID(other, body_id)
          pokemon_id = getFusedPokemonIdFromDexNum(body_id, head_id)
          return GameData::FusedSpecies.new(pokemon_id)
        else
          species_id = GameData::Species.keys[other-1]
          return GameData::Species.get(species_id) if species_id
        end
      end

      if !self::DATA.has_key?(other)
        # echoln _INTL("Unknown ID {1}.", other)
        return self::get(:PIKACHU)
      end

      raise "Unknown ID #{other}." unless self::DATA.has_key?(other)
      return self::DATA[other]
    end
  end



  module ClassMethodsSymbols
    def get(other)
      validate other => [Symbol, self, String, Integer]
      return other if other.is_a?(self)
      other = other.to_sym if other.is_a?(String)

      if other.to_s.match?(/\AB\d+H\d+\z/)
        species = GameData::FusedSpecies.new(other)
        return species
      end

      if other.is_a?(Integer) && self == GameData::Species
        if other > Settings::NB_POKEMON
          body_id = getBodyID(other)
          head_id = getHeadID(other, body_id)
          pokemon_id = getFusedPokemonIdFromDexNum(body_id, head_id)
          return GameData::FusedSpecies.new(pokemon_id)
        else
          species_id = GameData::Species.keys[other-1]
          return GameData::Species.get(species_id) if species_id
        end
      end

      raise "Unknown ID #{other}." unless self::DATA.has_key?(other)
      return self::DATA[other]
    end


    def try_get(other)
      return nil if other.nil?
      validate other => [Symbol, self, String, Integer]
      return other if other.is_a?(self)
      other = other.to_sym if other.is_a?(String)
      return (self::DATA.has_key?(other)) ? self::DATA[other] : nil
    end

  end
end