class Mocha::ParametersMatcher

def initialize(expected_parameters = [ParameterMatchers::AnyParameters.new], expectation = nil, &matching_block)
  @expected_parameters = expected_parameters
  @expectation = expectation
  @matching_block = matching_block
end

def match?(actual_parameters = [])
  if @matching_block
    @matching_block.call(*actual_parameters)
  else
    parameters_match?(actual_parameters)
  end
end

def matchers
  @expected_parameters.map.with_index do |parameter, index|
    parameter.to_matcher(
      expectation: @expectation,
      top_level: true,
      last: index == @expected_parameters.length - 1
    )
  end
end

def mocha_inspect
  if @matching_block
    '(arguments_accepted_by_custom_matching_block)'
  else
    signature = matchers.mocha_inspect
    signature = signature.gsub(/^\[|\]$/, '')
    "(#{signature})"
  end
end

def parameters_match?(actual_parameters)
  matchers.all? { |matcher| matcher.matches?(actual_parameters) } && actual_parameters.empty?
end