From 8e0a9388223b68176cde753d6b1f8efd97900e30 Mon Sep 17 00:00:00 2001
From: SelamawitA <Selamawit.ainalem@gmail.com>
Date: Mon, 12 Feb 2018 08:32:12 -0800
Subject: [PATCH] Selam's Solar System code Wave 3

---
 Amperes-Selam-Ainalem-Solar-System.rb | 118 ++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 Amperes-Selam-Ainalem-Solar-System.rb

diff --git a/Amperes-Selam-Ainalem-Solar-System.rb b/Amperes-Selam-Ainalem-Solar-System.rb
new file mode 100644
index 00000000..0a334025
--- /dev/null
+++ b/Amperes-Selam-Ainalem-Solar-System.rb
@@ -0,0 +1,118 @@
+class SolarSystem
+  # initialized SolarSystem object with an array of Planet objects.
+  attr_reader:solar_sys_age
+  def initialize(user_planet,solar_sys_age)
+    @planets = user_planet
+    @solar_sys_age = solar_sys_age
+  end
+  # adds a Planet object to an array of Planets
+  def add_planet(new_planet)
+    @planets.push(new_planet)
+    return @planets
+  end
+  # iterates through array of Planet objects and displays a formatted list to user.
+  def list_of_planets()
+    counter = 0
+    planet_names = ""
+    @planets.each do |planet|
+      planet_names += "\n#{counter+1}. #{planet.planet_details}"
+      counter+=1
+    end
+    return planet_names
+  end
+
+end
+
+
+
+class Planet
+  attr_reader:name, :radius_mi, :distance_frm_sun, :num_moons, :num_suns, :year_in_days
+
+  # initialize Planet object with a mixture of string and integer attributes
+  def initialize(name, radius_mi, distance_frm_sun, num_moons, num_suns, year_in_days)
+    @name = name
+    @radius_mi = radius_mi
+    @distance_frm_sun = distance_frm_sun
+    @num_moons = num_moons
+    @num_suns  = num_suns
+    @year_in_days = year_in_days
+  end
+  # returns formatted list of a planet's detail.
+  def planet_details ()
+    return planet_detail = "\n#{@name} Planet Information : \nRadius (mi): #{@radius_mi}\nDistance from Sun (mi): #{@distance_frm_sun}\nNumber of moons: #{@num_moons}\nNumber of suns: #{@num_moons}\nNumber of days in year: #{@year_in_days}\n"
+  end
+end
+
+
+def menu()
+  # Built-in planet list
+  earth =  Planet.new("Earth", 3959, 92960000, 1, 1, 365)
+  jupiter =  Planet.new("Jupiter", 43441, 483800000, 67, 1, 4300)
+  venus =  Planet.new("Venus", 3760 , 67000000, 0, 1, 225)
+  planet_of_the_puppies = Planet.new("Planet of the Puppies", 3959, 336000000, 15, 38, 180)
+
+  # Built-in solar-system
+  a_solar_system = [earth,jupiter,venus,planet_of_the_puppies]
+  new_solar_system = SolarSystem.new(a_solar_system,400000000)
+
+  puts "\nEnter (A) if you'd like to learn information about some planets.\n\n"
+  puts "Enter (B) if you'd like to input some new information to help us grow!\n\n"
+  puts "Or press any key to exit."
+  print "\nMenu choice: "
+  menu_choice = gets.chomp.upcase
+  # loop to direct and keep user within menu
+  while menu_choice == 'A' || menu_choice == 'B'
+    if menu_choice == 'A'
+      puts "\nHere's a list of the planets you can pick from.\n"
+      counter = 1
+      # prints a formatted list to the user.
+      a_solar_system.each do |planet|
+        puts "#{counter}. #{planet.name}"
+        counter+=1
+      end
+      print "Planet choice: "
+      user_planet = gets.chomp
+      check_in_list_counter = 0
+
+      # compares user input to current planet list.
+      a_solar_system.each do |planet|
+        if planet.name.upcase == user_planet.upcase
+          print planet.planet_details
+        else
+          check_in_list_counter+=1
+        end
+      end
+
+      if  check_in_list_counter == a_solar_system.length
+        puts "\nSorry not in the list :/ "
+      end
+    elsif menu_choice == 'B'
+      print "\nEnter your planets name:"
+      user_planet = gets.chomp
+      print "\nEnter your planet's radius: "
+      user_radius = gets.chomp
+      print "\nEnter your planet's distance from the sun: "
+      user_dist_frm_sun = gets.chomp
+      print "\nEnter how many moons your planet has: "
+      user_num_moons = gets.chomp
+      print "\nEnter how many suns your planet has: "
+      user_num_suns = gets.chomp
+      print "\nEnter how many days make a year: "
+      user_day_in_year = gets.chomp
+
+      user_planet = Planet.new(user_planet,user_radius,user_dist_frm_sun,user_num_moons,user_num_suns,user_day_in_year)
+
+      new_solar_system.add_planet(user_planet)
+      puts "\nYour planet has been added!"
+    end
+    puts "\nEnter (A) if you'd like to learn information about some planets.\n\n"
+    puts "Enter (B) if you'd like to input some new information to help us grow!\n\n"
+    puts "Press any key to exit."
+    print "Menu choice:"
+    menu_choice = gets.chomp.upcase
+  end
+  puts "\nThank you, good-bye!"
+
+end
+
+menu()