mojime

#!/usr/bin/env ruby

# Exit cleanly from an early interrupt
Signal.trap("INT") { abort }

require "json"
emojis = JSON.parse IO.read("emojis.json")

keywords = emojis.keys.reduce([]) { |acc, key| acc << ":#{key}:" }
chars = emojis.values.reduce([]) { |acc, value| acc << value["char"] }

number = ARGV.index "--number"
no_spaces = ARGV.index "--no-spaces"
output_char = ARGV.include? "--char"

number ||= ARGV.index "-n"
no_spaces ||= ARGV.index "-s"
output_char ||= ARGV.include? "-c"

samples = number ? Integer(ARGV[number + 1]) : 1

source = output_char ? chars : keywords
delimiter = no_spaces ? "" : " "

puts source.shuffle.sample(samples).join(delimiter)