none_shall_pass.rb

EMAIL = "jess@example.com"
PASSWORD = "gocode"
PASSWORD_VAULT = {aws: {username: "jess", password: "jno"}}

def welcome_message
  puts "Welcome to None Shall Pass - A Password Manager"
end

def prompt_user_for_email
  puts "Please sign in to continue"
  print "Enter email: "
  gets.chomp
end

def verify_user_email(user_email)
  if user_email != EMAIL
    puts "Invalid Email"
    exit
  end 
end

def prompt_user_for_password
  print "Enter password: "
  gets.chomp
end

def verify_user_password(user_password)
  if user_password != PASSWORD
    puts "Invalid Password"
    exit
  end
end

def greet_user(user_email)
  puts "Hello, #{user_email}"
  puts "What would you like to do?"
end

def menu_options
  puts "1. Add new service credentials"
  puts "2. Retrieve an existing services credentials"
  puts "3. Exit"
end


def get_user_menu_selection
  gets.chomp
end

def handle_user_selection(user_selection)
  case user_selection
  when "1"
    new_service = set_new_service_name
    set_username_for(new_service)
    set_password_for(new_service)
  when "2"
    requested_service_name = retrieve_service_name
    credentials = retrieve_service_credentials_for(requested_service_name)
    display_service_credentials(requested_service_name, credentials)
  else
    exit_program
  end
end

  def set_new_service_name
    print "Enter the name of the service: "
    new_service = gets.chomp
    PASSWORD_VAULT[new_service.to_sym] = {}
    new_service
  end

  def set_username_for(service)
    print "Enter the username for this new service: "
    new_service_username = gets.chomp
    PASSWORD_VAULT[service.to_sym][:username] = new_service_username
  end

  def set_password_for(service)
    print "Enter the  password name for this new service: "
    new_service_password = gets.chomp
    PASSWORD_VAULT[service.to_sym][:password] = new_service_password
  end

  def retrieve_service_name
    print "Please enter the name of the service you wish to access credentials for: "
    gets.chomp
  end

  def retrieve_service_credentials_for(service_name)
    PASSWORD_VAULT[service_name.to_sym]
  end

  def display_service_credentials(service_name, credentials)
    puts "Here are the credentials for #{service_name}:"
    credentials.each do |key, val|
      puts "#{key}: #{val}"
    end
  end

  def exit_program
    puts "Exiting the PROGRAM"
    exit
  end




welcome_message
user_email = prompt_user_for_email
verify_user_email(user_email)
user_password = prompt_user_for_password
verify_user_password(user_password)
greet_user(user_email)

loop do
  menu_options
  user_selection = get_user_menu_selection
  handle_user_selection(user_selection)
end