creator

#!/usr/bin/env ruby
require 'rubygems'
require 'bundler/setup'
require 'json'

category = ARGV.shift

# Helper method, idea stolen from higline
def ask(prompt)
  print prompt
  gets.chomp
end

# Helper method for exiting the program with a status code of 1 and a message
def die(message)
  puts message
  exit 1
end

die("No category given! Run creator with ./creator [category]") if !category or category.empty?

die("No such category. Create a '#{category}' folder in questions to add it.") if !File.exists?("questions/#{category}")

question       = ask("New question for #{category}: ")
correct_answer = ask("Correct answer: ")

# Get all wrong answers
iterator = 0
answers = [correct_answer]
begin
  iterator += 1
  wrong_answer = ask("Wrong answer ##{iterator} (leave empty to continue): ")
  answers.push wrong_answer if wrong_answer != ''
end while wrong_answer != '' and iterator < 3

level = ask("Nerd level (1-5): ").to_i

# Handle edge cases
level = 5 if level > 5
level = 1 if level < 1

# Extract the creator from git
creator = `git config --get user.name`.chomp

# Shuffle the answers and find the index of the correct one
answers.shuffle!
correct_index = answers.index(correct_answer)

# Construct the hash that will be converted to JSON
data = {
  :id => '',
  :category => category,
  :nerd_level => level,
  :text => question,
  :created_by => creator,
  :created_at => Time.now.strftime('%Y-%m-%d'),
  :right_answer => "a#{correct_index + 1}"
}

# Add the answers to the result hash
answers.each_with_index do |answer, index|
  data["a#{index+1}"] = answer
end

json = JSON.pretty_generate({ :question => data })

filename = question.downcase[0..30].gsub(/[^a-z0-9]+/i, '_').sub(/_+$/, '') + '.json'
File.open("questions/#{category}/#{filename}", "w") do |file|
  file.write(json)
end unless filename == '.json'