TEST_RB = <<~'TEST'
if ARGV[0] == "2"
  require_relative "impl_2"
  RESULT = example_result_2
else
  require_relative "impl"
  RESULT = %example_result_1%
end


INPUT = <<~IN
%example_input%
IN

def test_example
  parsed = parse(INPUT)
  result = calculate(parsed)

  if result == RESULT
    puts "Test successful. Now run with real input"
    puts "ruby %day_name%/run.rb #{ARGV[0]}"
  else
    puts "Test failed"
    puts "expected \"#{RESULT}\" got \"#{result}\""
  end
end

test_example
TEST

RUN_RB = <<~'RUN'
if ARGV[0] == "2"
  require_relative "impl_2"
else
  require_relative "impl"
end


def print(result)
  if result.is_a? Array
    result.map! {|l| "#{l}\n" } 
  end
  
  puts result
end

def run
  puts "running your implementation"
  input = File.new("%day_name%/data").read
  data = parse(input)
  result = calculate(data)
  print(result)
end

run
RUN

IMPL_RB = <<~'IMPL'
#prepare the input which is a string containing new lines
def parse(input)
  data = []
  input.each_line do |line|
    data << line
  end
  data
end

# result should a single string or integer
def calculate(data)
  result = ""
  data.each do |d|
    result = d
  end
  result
end
IMPL