french_departments.yml

require_relative "../french_ssn"

describe "#french_ssn_info" do
  it "returns 'The number is invalid' when passed an empty string" do
    actual = french_ssn_info("")
    expected = "The number is invalid"
    expect(actual).to eq(expected)
  end
  it "returns 'a man, born in December, 1984 in Seine-Maritime.' when passed '1 84 12 76 451 089 46'" do
    actual = french_ssn_info("1 84 12 76 451 089 46")
    expected = "a man, born in December, 1984 in Seine-Maritime."
    expect(actual).to eq(expected)
  end
  it "returns 'The number is invalid' when passed '1 84 12 76 451 089 32'" do
    actual = french_ssn_info("1 84 12 76 451 089 32")
    expected = "The number is invalid"
    expect(actual).to eq(expected)
  end
end

french_snn.rb

require "pry-byebug"
require "Date"

def french_ssn_info(number)
  depts = YAML.load_file('data/french_departments.yml')
  regex = /^(?<gender>\d)\s(?<year>\d{2})\s(?<month>1[0-2]|0[1-9])\s(?<dept>\d{2})(\s\d{3}){2}\s(?<key>\d{2})/
  matchdata = number.match(regex)
  return "The number is invalid" if number == "" || !valid?(number, matchdata[:key])
  months = Date::MONTHNAMES
  sentence = "a #{get_gender(matchdata[:gender])}, born in #{months[matchdata[:month].to_i]}, #{get_year(matchdata[:year])} in #{depts[matchdata[:dept]]}."
end

def get_gender(num)
  if num == "1"
    "man"
  else
    "woman"
  end
end

def get_year(year)
  if year.to_i < Time.now.year - 2000
    "20#{year}"
  else
    "19#{year}"
  end
end

def valid?(number, key)
  new_number = 97 - number.split(" ")[0..-2].join('').to_i
  new_number % 97 == key.to_i
end


puts french_ssn_info("1 84 12 76 451 089 36")
# a man, born in December, 1984 in Seine-Maritime.

french_snn_spec.rb

require_relative "../french_ssn"

describe "#french_ssn_info" do
  it "returns 'The number is invalid' when passed an empty string" do
    actual = french_ssn_info("")
    expected = "The number is invalid"
    expect(actual).to eq(expected)
  end
  it "returns 'a man, born in December, 1984 in Seine-Maritime.' when passed '1 84 12 76 451 089 46'" do
    actual = french_ssn_info("1 84 12 76 451 089 46")
    expected = "a man, born in December, 1984 in Seine-Maritime."
    expect(actual).to eq(expected)
  end
  it "returns 'The number is invalid' when passed '1 84 12 76 451 089 32'" do
    actual = french_ssn_info("1 84 12 76 451 089 32")
    expected = "The number is invalid"
    expect(actual).to eq(expected)
  end
end