rentals_list.rb

require_relative 'rental'

class RentalsList
  DATA_FILE = 'rentals_data.json'.freeze

  def initialize(my_ui, book_list, people_list)
    @my_ui = my_ui
    @book_list = book_list
    @people_list = people_list
    @rentals = load_rentals
  end

  def list_rentals_for_person_id
    id = @my_ui.input_prompt('ID of person: ').to_i
    rentals = @rentals.filter { |rental| rental.person.id == id }
    puts 'Rentals:'
    rentals.each do |rental|
      puts "Date: #{rental.date}, Book \"#{rental.book.title}\" by #{rental.book.author}"
      puts
    end
  end

  def create_rental
    book = @book_list.select_book
    person = @people_list.select_person
    date = @my_ui.input_prompt('Date: ')

    rental = Rental.new(date, book, person)
    unless @rentals.any? { |r| r.date == rental.date && r.book == rental.book && r.person == rental.person }
      @rentals << rental
    end
    puts 'Rental created successfully'
    puts
  end

  def save_rentals
    File.write(DATA_FILE, JSON.pretty_generate(@rentals.map(&:to_hash)))
  end

  private

  def load_rentals
    return [] unless File.exist?(DATA_FILE)

    file_data = File.read(DATA_FILE)
    return [] if file_data.strip.empty?

    JSON.parse(file_data).map do |rental_data|
      book = @book_list.find_book_by_id(rental_data['book_id'])
      person = @people_list.find_person_by_id(rental_data['person_id'])
      Rental.new(rental_data['date'], book, person) if book && person
    end.compact
  end
end