/r/40daysofruby ruby mini-assignment 1

# I'm not good at math so I'm pretty sure I did the calculations wrong

# hours in a year -----------------------------------------------------
def hoursInYear
    24*365
end

# If I am 1031 million seconds old, how old am I?  ---------------------
def secondsInYears(age_in_seconds)
    age_in_seconds  / (60 * 60 *24 * 365 )
end

# minutes in a decade
def minsInDecade
    60*24*7*4*12
end

# how many seconds are you  --------------------------------------------
def ageInSeconds(age)
    60*60*24*7*4*12*age
    # Not accounting for partial years
end

# chocolates will you eat in your life ---------------------------------
def chocolatesInLifetime(amount)
    # assume they'll live to 90?
    # there are 52 weeks in a year
    # assume the estimate includes past eaten chocolates
    52 * 90 * amount
    # Doesn't account for 0 chocolates per week, since I don't know
    # how many they've eaten in the past
end

# ask first middle last names  ------------------------------------------
def greeting(first, middle, last)
    puts "Hello #{first} #{middle} #{last}."
end


# Table of contents  ---------------------------------------------------
book = "Think Like a Programmer: An Introducion to Creative Problem Solving"
author = "V. Anton Spraul"
# The website doesn't list the pages so I just made them up.
# toc = table of contents
toc = {"Strategies for Problem Solving"=> 1, "Pure Puzzles"=> 2, "Problems with Arrays"=> 3, "Solving Problems with Pointers and Dynamic Memory"=> 4, "Solving Problems with Classes"=> 5, "Solving Problems with Recursion"=> 6, "Solving Problems with Code Reuse"=> 7, "Thinking Like a Programmer"=> 8}

# Now let's do some stuff!

puts    "There are  #{hoursInYear} hours in a year."
puts    "And #{secondsInYears(1031000000)} years in 1031 million seconds!"
puts    "There are #{minsInDecade} minutes in a decade."
puts    "Hello, what's your name?"
puts    "First name:"
        first_name = gets.chomp
puts    "Middle name:"
        middle_name = gets.chomp
puts    "Last name:"
        last_name = gets.chomp
puts    "Greetings, #{first_name} #{middle_name} #{last_name}!"
puts    "How old are you?"
age = gets.chomp
puts    "You are #{ageInSeconds age.to_i} seconds old!"
puts    "How many chocolates do you eat per week?"
amount = gets.chomp
puts    "You'll eat about #{chocolatesInLifetime amount.to_i} chocolates in your lifetime!"
puts    "What's your favorite number, #{first_name}?"
num = gets.chomp
puts    "But #{num.to_i + 1} is so much better!"
puts    "WHAT DO YOU WANT, #{first_name}?!"
want = gets.chomp
puts    "WHADDAYA MEAN YOU WANT #{want.upcase}?!?!?! GET OUTTA HERE!"
puts    "Hey #{first_name}, here's a cool book I'm reading:"
puts    "#{book} by #{author}"
# None of the tutorials I read covered ljust/rjust usage
# Compiler gives "undefined method `rjust'" error
# So I'm just going to use tabs ( /t )
puts    "Here's the chapters:"
toc.each do | chapter, page|
        puts "Page #{page} \t #{chapter}"
end