class QuickDataGenerator

# File lib/quickdata_generator.rb, line 11
def initialize(s, rows: 3)

  entries = SimpleConfig.new(s).to_h
  @to_a = rows.times.map { generate_value(entries) }

end

# File lib/quickdata_generator.rb, line 21
def generate_value(entries)

  entries.inject({}) do |r, x|

    key, s = x

    val = if /^(?<x1>\d+)\.\.(?<x2>\d+)$/ =~ s then

      Range.new(x1.to_i,x2.to_i).to_a.sample

    elsif /^(?<x1>\d+)\.(?<i>\d+)\.\.(?<x2>\d+(?:\.\d+)?)$/ =~ s then

      range = Range.new(x1.to_i,x2.to_i)
      a = []
      increment = 1 / 10.0 ** i.length

      sum = "#{x1}.#{i}".to_f
      (sum += increment; a << sum) until sum >= x2.to_i
      a.map{|x| x.round(i.length)}.to_a.sample

    else
      s.split(/\s*,\s*/).sample
    end

    r.merge(key => val)
  end      

end