#!/usr/bin/env ruby

class PeopleDirectory
  def initialize(people)
    @people = people
  end

  def find_people(name)
    @people.select { |person| person[:name]  == name }
  end
end

class UserInput
  def ask_name
    print "De quelle personne souhaites-tu connaître l'âge ? "
    gets.chomp
  end
end

class PeopleView
  def hello_everybody(people)
  people.each do |person|
      puts "Hello #{person[:name]}!"
    end
  end

  def show_people(people)
    if people.empty?
      puts "Aucune personne trouvée."
    else
      people.each do |person|
        puts "#{person[:name]} qui a #{person[:age]} ans"
      end
    end
  end
end

# Données
people = [
  { name: "Alice", age: 30},
  { name: "Bob", age: 27},
  { name: "Alice", age: 22}
]

# Instancier les classes
directory = PeopleDirectory.new(people)
input = UserInput.new
view = PeopleView.new

# Saluer tout le monde
view.hello_everybody(people)

# Demander un nom
name = input.ask_name

# Rechercher
matches = directory.find_people(name)

# Afficher
view.show_people(matches)