# frozen_string_literal: true

require 'logger'

module Cryptum
  # This plugin is used for my own entertainment
  module Matrix
    # Supported Method Parameters::
    # Cryptum::Matrix.generate(
    #   cols: cols
    # )

    public_class_method def self.generate(opts = {})
      # Need to divide by two for wide characters
      cols = opts[:cols].to_i

      matrix_arr = [
        0x30a0.chr('UTF-8'),
        0x30a1.chr('UTF-8'),
        0x30a2.chr('UTF-8'),
        0x30a3.chr('UTF-8'),
        0x30a4.chr('UTF-8'),
        0x30a5.chr('UTF-8'),
        0x30a6.chr('UTF-8'),
        0x30a7.chr('UTF-8'),
        0x30a8.chr('UTF-8'),
        0x30a9.chr('UTF-8'),
        0x30aa.chr('UTF-8'),
        0x30ab.chr('UTF-8'),
        0x30ac.chr('UTF-8'),
        0x30ad.chr('UTF-8'),
        0x30ae.chr('UTF-8'),
        0x30af.chr('UTF-8'),
        0x30b0.chr('UTF-8'),
        0x30b1.chr('UTF-8'),
        0x30b2.chr('UTF-8'),
        0x30b3.chr('UTF-8'),
        0x30b4.chr('UTF-8'),
        0x30b5.chr('UTF-8'),
        0x30b6.chr('UTF-8'),
        0x30b7.chr('UTF-8'),
        0x30b8.chr('UTF-8'),
        0x30b9.chr('UTF-8'),
        0x30ba.chr('UTF-8'),
        0x30bb.chr('UTF-8'),
        0x30bc.chr('UTF-8'),
        0x30bd.chr('UTF-8'),
        0x30be.chr('UTF-8'),
        0x30bf.chr('UTF-8'),
        0x30c0.chr('UTF-8'),
        0x30c1.chr('UTF-8'),
        0x30c2.chr('UTF-8'),
        0x30c3.chr('UTF-8'),
        0x30c4.chr('UTF-8'),
        0x30c5.chr('UTF-8'),
        0x30c6.chr('UTF-8'),
        0x30c7.chr('UTF-8'),
        0x30c8.chr('UTF-8'),
        0x30c9.chr('UTF-8'),
        0x30ca.chr('UTF-8'),
        0x30cb.chr('UTF-8'),
        0x30cc.chr('UTF-8'),
        0x30cd.chr('UTF-8'),
        0x30ce.chr('UTF-8'),
        0x30cf.chr('UTF-8'),
        0x30d0.chr('UTF-8'),
        0x30d1.chr('UTF-8'),
        0x30d2.chr('UTF-8'),
        0x30d3.chr('UTF-8'),
        0x30d4.chr('UTF-8'),
        0x30d5.chr('UTF-8'),
        0x30d6.chr('UTF-8'),
        0x30d7.chr('UTF-8'),
        0x30d8.chr('UTF-8'),
        0x30d9.chr('UTF-8'),
        0x30da.chr('UTF-8'),
        0x30db.chr('UTF-8'),
        0x30dc.chr('UTF-8'),
        0x30dd.chr('UTF-8'),
        0x30de.chr('UTF-8'),
        0x30df.chr('UTF-8'),
        0x30e0.chr('UTF-8'),
        0x30e1.chr('UTF-8'),
        0x30e2.chr('UTF-8'),
        0x30e3.chr('UTF-8'),
        0x30e4.chr('UTF-8'),
        0x30e5.chr('UTF-8'),
        0x30e6.chr('UTF-8'),
        0x30e7.chr('UTF-8'),
        0x30e8.chr('UTF-8'),
        0x30e9.chr('UTF-8'),
        0x30ea.chr('UTF-8'),
        0x30eb.chr('UTF-8'),
        0x30ec.chr('UTF-8'),
        0x30ed.chr('UTF-8'),
        0x30ee.chr('UTF-8'),
        0x30ef.chr('UTF-8'),
        0x30f0.chr('UTF-8'),
        0x30f1.chr('UTF-8'),
        0x30f2.chr('UTF-8'),
        0x30f3.chr('UTF-8'),
        0x30f4.chr('UTF-8'),
        0x30f5.chr('UTF-8'),
        0x30f6.chr('UTF-8'),
        0x30f7.chr('UTF-8'),
        0x30f8.chr('UTF-8'),
        0x30f9.chr('UTF-8'),
        0x30fa.chr('UTF-8'),
        0x30fb.chr('UTF-8'),
        0x30fc.chr('UTF-8'),
        0x30fd.chr('UTF-8'),
        0x30fe.chr('UTF-8'),
        '0 ',
        '1 ',
        '2 ',
        '3 ',
        '4 ',
        '5 ',
        '6 ',
        '7 ',
        '8 ',
        '9 ',
        'A ',
        'c ',
        'R ',
        'y ',
        'P ',
        't ',
        'U ',
        'm ',
        'x ',
        'Z ',
        ': ',
        '{ ',
        '[ ',
        '} ',
        '] ',
        '| ',
        '` ',
        '~ ',
        '! ',
        '@ ',
        '# ',
        '$ ',
        '% ',
        '^ ',
        '& ',
        '* ',
        '( ',
        ') ',
        '_ ',
        '- ',
        '= ',
        '+ ',
        '> ',
        '< ',
        '. ',
        ', ',
      ]

      last_index = matrix_arr.length - 1

      matrix_row = ''
      most_cols = cols - 1
      most_cols.times.each do
        matrix_row += "#{matrix_arr[Random.rand(0..last_index)]} "
      end
      matrix_row += matrix_arr[Random.rand(0..last_index)]
    rescue StandardError => e
      raise e
    end

    # Display Usage for this Module

    public_class_method def self.help
      puts "USAGE:
        logger = #{self}.create()
      "
    end
  end
end