foo
foo.bar
1.foo.bar
foo(1, 2, 3)
foo { true }
foo do
  true
end

1.foo(2).bar().baz

a&.b.c&.d

# for now disallow empty lines within method chain
foo(1). #bbb

  # bar

  # bar2

  bar # bar3
  # baz
  .baz

foo.(2)

foo(a(1, b.c(2.d)), e( f( g))).bar(h. i .j).baz

foo(

  # aa 

)

foo(1
   # aa,
)

foo( # aa
  # bb
  1, # cc

  # dd
  2,
  # ee

)

foo(
  1, # 1
  2
).bar

foo bar, baz # foo
foo a, # 1
  # 2
  b, # 3
  # 4
  c # 5
# 6

if true
  foo a,
    # 2
    b
end

foo(1, 2).bar 3
expect(foo).to be(true)

a {}.b(1)&.c(1, 2) { d(e {}) {} }.f

foo.bar
  # baz
  &.baz.a { 2 }.b.c
  # d
  .d {}.e {}

foo # a
  .bar
  .baz

# a
foo # b
  # c
  .bar # d

foo
  # foo
  .bar =
    # a
    2 # b

def supers
  super # super

  super { _1 * 2 }
  super do |a, b; c|
    a(b, c)
  end

  super() # super
  super(1, 2, 3) # 4
  super 1, 2, 3 # 4
  super 1,
    # 2
    2 # 3
  super(1) {}
  super 1 do
    _1
  end
end

def yields
  # y
  yield # y
  yield 1, 2
  yield 1,
    # 2
    2 # 3
  yield(foo, bar(1, 2), 3)
  yield(
    # foo
    foo,
    bar(1, 2),
    3
    # 4
  )
  yield(*args)
end

-a
!a.b(1).c # d
~(
  # 1
  a.b # 2
  # 3
) # 4

foo(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb, ccccccccccccccc)

foo(bar, {
  a: 1,
  b: 2,
})
foo(bar, {
  a: 1,
  b: 2,
}, :baz)

foo(bar, -> {})
foo(bar, ->(a, b) {
  a + b
})
foo(bar, ->(
  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
  bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
) {
  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
})

foo(bar, :baz, aaa.
    # bbb
    bbb.ccc
   )

foo(aaaaaaaaaa, [
  aaa.bbb.ccc, # ddd
  123,
])
foo(bar ? baz : [
  aaa.bbb.ccc, # ddd
  123,
])

render json: { messages: [aaaaaaaaa], extra: { bbbbbbbbbbbbb: cccccccccccccccccc } }, status: :dddddddddddddddd

render json: {
  messages: [aaaaaaaaa], extra: { bbbbbbbbbbbbb: cccccccccccccccccc },
}, status: :dddddddddddddddd

enum foo_bar_baz: {
  aaaa: 0,
  bbbb: 1,
  cccc: 2,
}, _prefix: true
enum(foo_bar_baz: {
  aaaa: 0,
  bbbb: 1,
  cccc: 2,
}, _prefix: true)

validate :foo_bar_baz, if: -> {
  foo.bar? && aaa.bbb&.ccc != nil
}
validate :foo_bar_baz, on: :create, if: -> {
  foo.bar? && aaa.bbb&.ccc != nil
}
validate :foo_bar_baz, if: -> {
  foo.bar? && aaa.bbb&.ccc != nil
}, on: :create

validates :foo_bar_baz, exclusion: { in: %w(aaaaa bbbbb ccccc ddddd), message: "%{value} is reserved." }

if true
  if true
    aaaaaa.bbbbbbbbbbbbbbb.find_by(ccccccc_id: dddddddddddddd.ccccccc_id).try(:eeeeeeeeeeeeeeeeeeeee)
  end
end

aaaaaaaa || Bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb.new(cccc, dddddddd)

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa if foo(
  :bbbbbbbbbbbbbbbbbbbbbbbbbbbbb
).bar

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa unless bbbbbbbbbbbbbbbbbbbb[:cccccccccc].nil?

Aaaaaa.hoge.cccc(dddddddddddddddd: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", eeeeee: eeeeeeeeeeeeeeeeeeeeeeeeee).foo.bar

Aaaaaa.hoge
  .cccc(
    Aaaaaa.hoge
    .cccc(dddddddddddddddd: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", eeeeee: eeeeeeeeeeeeeeeeeeeeeeeeee)
    .cccc(dddddddddddddddd: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", eeeeee: eeeeeeeeeeeeeeeeeeeeeeeeee).foo.bar,
    dddddddddddddddd: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", eeeeee: eeeeeeeeeeeeeeeeeeeeeeeeee,
  ).foo.bar

Aaaaaa.cccc(dddddddddddddddd: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", eeeeee: fff).cccc(dddddddddddddddd: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", eeeeee: fff).bbbb do |abc|
  d
end.cccc(1, 2, 3).each do |hoge|
  hoge
end

aaaaaaaaaaaaaaaaaaaaaaa.bbbbbbbbbbbbbbbbbbbbbbbbbbb.cccccccccccccccccccccc.dddddddddddddddddd.eeeeeeeeeeeeeee

aaaaaaaaaaaaaaaaaaaaaaa.bbbbbbbbbbbbbbbbbbbbbbbbbbb.cccccccccccccccccccccc.dddddddddddddddddddddddddd(eeeeeeeeeeeeeee)

if true
  # Ideally these chains should be formatted as same.
  Aaaa.own(bbbbbb_id).where(Aaaa.arel_table[:bbbb_date].lt(bbbb_date)).order(bbbb_date_cccc: :desc).take
  Aaaa.own(bbbbbb_id).where(Aaaa.arel_table[:bbbb_date].lt(bbbb_date)).order(bbbb_date_cccc_cccc: :desc).take

  foooo.very_very_long_name_method_abcde_efghi.very_very_long_name_method_abcde_efghi(1).do_something(aa, bb, cc, dd, ee)
  foooo.very_very_long_name_method_abcde_efghi.aaaaaaaaaaaaaa_bbbbbbbb(1).do_something(aa, bb, cc, dd, ee)

  attributes.select { |attr, _| attr.to_sym.in? Aaaa::BBBBBBBBBBBBBBBBBBB }
    .merge(bbbb_date: bbbb_date.ccccccccc)
    .merge(ddd_date: bbbb_date - 1.day)
    .merge(eeeeeeeeeeeeeeeee: prev_eeeeeeeeeeeeeeeee)

  aaaaaaaaaaaaaaaa.bbbbbbbbbbbbbbb
    .find_by(ccccccc_id: dddddddddddddd.ccccccc_id)
    .try(:eeeeeeeeeeeeeeeeeeeee)
end


expect { subject }.to change {
  Aaaaaaaaa.where(bbbbbbbbbbbbbbbbb: bbbbbbbbbbbbbbbbb).count
}.from(0).to(1)

expect { subject }.to change { Aaaaaaaaa.where(bbbbbbbbbbbbbbbbb: bbbbbbbbbbbbbbbbb).count }.from(0).to(1)

expect_subject_change.foo {
  Aaaaaaaaa.where(bbbbbbbbbbbbbbbbb: bbbbbbbbbbbbbbbbb).count
}.from(0).to(1)

expect_subject_change.foo { Aaaaaaaaa.where(bbbbbbbbbbbbbbbbb: bbbbbbbbbbbbbbbbb).count }.from(0).to(1)

private def foo_bar_baz(a, b:, c: nil)
  a + b * (c || 1)
end