package ds

type ListQueue[T any, L List[T]] struct {
	list L
}

var _ Queue[int] = &ListQueue[int, List[int]]{}

func NewListQueue[T any, L List[T]](list L) *ListQueue[T, L] {
	return &ListQueue[T, L]{list}
}

func (s *ListQueue[T, L]) Enqueue(value T) {
	s.list.Add(value)
}

func (s *ListQueue[T, L]) Add(value T) {
	s.Enqueue(value)
}

func (s *ListQueue[T, L]) AddAll(values Iterable[T]) {
	values.Each(s.Add)
}

func (s *ListQueue[T, L]) Dequeue() T {
	return s.list.RemoveAt(0)
}

func (s *ListQueue[T, L]) Peek() T {
	return s.PeekAt(0)
}

func (s *ListQueue[T, L]) PeekAt(index int) T {
	return s.list.Get(index)
}

func (s *ListQueue[T, L]) Size() int {
	return s.list.Size()
}

func (s *ListQueue[T, L]) Empty() bool {
	return s.Size() == 0
}

func (s *ListQueue[T, L]) Clear() {
	s.list.Clear()
}