module Nonsuch

# File lib/nonsuch.rb, line 3
def business_days_between(start_date:, end_date:)
  business_days = 0
  date = end_date
  while date > start_date
    business_days = business_days + 1 unless date.saturday? or date.sunday?
    date = date - 1.day
  end
  business_days
end

# File lib/nonsuch.rb, line 28
def domains(count:)
  top_level = syllables count: 4
  arr = []
  count.times do
    domain = "#{syllable}#{syllable}.#{top_level.sample}"
    arr << domain unless arr.include? domain
  end
  arr
end

# File lib/nonsuch.rb, line 13
def emails(count:, domains: self.domains(count: 4), names: nil)
  raise ArgumentError, "names.length #{names.length} != count #{count}" if names && names.length != count
  arr = []
  count.times do |index|
    if names
      local_part = names[index].downcase.delete(" ")
    else
      local_part = "#{syllables(count: rand(3) + 1).join}"
    end
    email = "#{local_part}@#{domains.sample}"
    arr << email unless arr.include? email
  end
  arr
end

# File lib/nonsuch.rb, line 38
def names(count:)
  arr = []
  count.times do
    arr << "#{self.word(syllables: 2).capitalize} #{self.word(syllables: 3).capitalize}"
  end
  arr
end

# File lib/nonsuch.rb, line 50
def phrase(words: 3)
  arr = []
  (rand(words) + 1).times { arr << word(syllables: 3)}
  arr.join ' '
end

# File lib/nonsuch.rb, line 46
def sentence(words: 7)
  "#{phrase(words: words).capitalize}."
end

# File lib/nonsuch.rb, line 69
def syllable
  @vowels ||= %w(a e i o u)
  @consonants ||= ("a".."z").to_a - @vowels
  "#{@consonants.sample}#{@vowels.sample}#{@consonants.sample}"
end

# File lib/nonsuch.rb, line 60
def syllables(count:)
  arr = []
  count.times do
    current = syllable
    arr << current unless arr.include? current
  end
  arr
end

# File lib/nonsuch.rb, line 75
def time
  Time.now - rand(100000000) + 40000000
end

# File lib/nonsuch.rb, line 56
def word(syllables: 1)
  self.syllables(count: rand(syllables) + 1).join
end