pokemon-cli

pokemon.rb

require "net/http"
require "json"
require "pry"
class PokemonService

  def pokemon_information(info)
    path = "pokemon/#{info}"
    send_request(path: path)
  end

  def next_evolution(info)
    pokemon_information(info)["evolutions"]
  end

  def types(info)
    pokemon_information(info)["types"].map { |type| type["name"] }.join(", ")
  end

  def evolutions(info, collector = [])
    response = pokemon_information(info)["evolutions"]
    collector << response

    response.empty? ? collector.flatten : evolutions(response.first["to"].downcase, collector)
  end

  def pokemon_for_type(type, type_2 = nil)
    # iterate 718 times over the pokemon and select the pokemon with matching type
    collector = []

    [*1..718].each do |i|
      pokemon = pokemon_information(i)
      collector << pokemon["name"] if is_of_type(pokemon, type, type_2)
    end
    collector.join(", ")
  end

  def send_request(url: url = "http://pokeapi.co/api/v1/", path: path)
    uri = URI(url + path + "/")
    response = Net::HTTP.get_response(uri)
    JSON.parse(response.body)
  end

  private

  def is_of_type(pokemon, type_name, type_name_2)
    if type_name_2
      pokemon["types"].any? { |type| type["name"] == type_name } &&
      pokemon["types"].any? { |type| type["name"] == type_name_2 }
    else
      pokemon["types"].any? { |type| type["name"] == type_name }
    end
  end

end