class RuboCop::Cop::Style::LambdaCall

def autocorrect(node)
  @corrections << lambda do |corrector|
    if style == :call
      receiver_node, = *node
      expr = node.loc.expression
      receiver = receiver_node.loc.expression.source
      replacement = expr.source.sub("#{receiver}.", "#{receiver}.call")
      corrector.replace(expr, replacement)
    else
      corrector.remove(node.loc.selector)
    end
  end
end

def message(_node)
  if style == :call
    'Prefer the use of `lambda.call(...)` over `lambda.(...)`.'
  else
    'Prefer the use of `lambda.(...)` over `lambda.call(...)`.'
  end
end

def offense?(node)
  # lambda.() does not have a selector
  style == :call && node.loc.selector.nil? ||
    style == :braces && node.loc.selector
end

def on_send(node)
  _receiver, selector, = *node
  # we care only about `call` methods
  return unless selector == :call
  if offense?(node)
    add_offense(node, :expression) { opposite_style_detected }
  else
    correct_style_detected
  end
end