employees_4.rb

class Employee

  attr_reader :name

  def name= (name)
    if name == ""
      raise "Name can't be blank!"
    end
    @name = name
  end

  def initialize (name = "Anonymous")
    self.name = name
  end

  def print_name
    puts "Name: #{name}"
  end

  class SalariedEmployee < Employee

    attr_reader :salary

    def salary= (salary)
      if salary < 0
        raise "A salary of #{salary} isn't valid!"
      end
      @salary = salary
    end


    def initialize (name = "Anonymous", salary = 0.0)
      super (name)
      self.salary = salary
    end

    def print_pay_stub
      print_name
      pay_for_period = (salary / 365.0) * 14
      formatted_pay = format ("$%.2f", pay_for_period)
      puts "Pay This Period: #{formatted_pay}"
    end

  end

  class HourlyEmployee < Employee

    def self.security_guard (name)
      HourlyEmployee.new (name, 19.25, 30)
    end
    def self.cashier (name)
      HourlyEmployee.new (name, 12.75, 25)
    end
    def self.janitor (name)
      HourlyEmployee.new (name, 10.50, 20)
    end

    attr_reader :hourly_wage, :hours_per_week

    def hourly_wage= (hourly_wage)
      if hourly_wage < 0
        raise "An hourly_wage of #{hourly_wage} isn't valid"
      end
      @hourly_wage = hourly_wage
    end

    def hours_per_week= (hours_per_week)
      if hours_per_week < 0
        raise "#{hours_per_week} hours per week isn't valid"
      end
      @hours_per_week = hours_per_week
    end

    def initialize (name = "Anonymous", hourly_wage = 0.0, hours_per_week = 0.0)
      super(name)
      self.hourly_wage = hourly_wage
      self.hours_per_week = hours_per_week
    end

    def print_pay_stub
      print_name
      pay_for_period = hourly_wage * hours_per_week * 2
      formatted_pay = format ("¢%.2f", pay_for_period)
      puts "Pay This Period: #{formatted_pay}"
    end

  end

jane = SalariedEmployee.new("Jane Doe", 50000)
jane.print_pay_stub

angela = HourlyEmployee.security_guard("Angela Matthews")
ivan = HourlyEmployee.cashier("Ivan Stokes")
angela.print_pay_stub
ivan.print_pay_stub