Class: Codebreaker::Marker

Inherits:
Object
  • Object
show all
Defined in:
lib/codebreaker/marker.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(guess, secret_code) ⇒ Marker

Returns a new instance of Marker.



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# File 'lib/codebreaker/marker.rb', line 6

def initialize(guess, secret_code)
  @guess = guess
  @secret_code = secret_code
  @match = []
end

Instance Attribute Details

#match ⇒ Object

Returns the value of attribute match.



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# File 'lib/codebreaker/marker.rb', line 4

def match
  @match
end

Instance Method Details

#find_matches ⇒ Object 



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# File 'lib/codebreaker/marker.rb', line 12

def find_matches
  compared_guess = @guess.zip @secret_code
  exact_matches, number_matches = compared_guess.partition { |arr| arr[0] == arr[1] }
  @match << '+' * exact_matches.size
  mark_minusses(number_matches) unless number_matches.size.zero?
end

#mark_minusses(number_matches) ⇒ Object 



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# File 'lib/codebreaker/marker.rb', line 19

def mark_minusses(number_matches)
  secret_code, guess = number_matches.transpose
  guess.each do |number|
    next unless secret_code.include? number
    @match << '-'
    secret_code[secret_code.find_index(number)] = nil
  end
end

#result ⇒ Object 



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# File 'lib/codebreaker/marker.rb', line 28

def result
  find_matches
  @match.join
end