/* ************************************************************************** */
/*																			*/
/*														:::	  ::::::::   */
/*   process.c										  :+:	  :+:	:+:   */
/*													+:+ +:+		 +:+	 */
/*   By: apommier <apommier@student.42.fr>		  +#+  +:+	   +#+		*/
/*												+#+#+#+#+#+   +#+		   */
/*   Created: 2022/01/17 11:52:37 by apommier		  #+#	#+#			 */
/*   Updated: 2022/01/17 11:52:37 by apommier		 ###   ########.fr	   */
/*																			*/
/* ************************************************************************** */

#include "push_swap.h"

void	ft_sa_sb(t_list **list, t_slist **process, char type, int set)
{
	t_list	*swap;

	swap = (*list)->next->next;
	(*list)->next->next = *list;
	*list = (*list)->next;
	(*list)->next->next = swap;
	if (set)
	{
		if (type == 'a')
			s_lstadd_back(process, new_slist("sa"));
		else if (type == 'b')
			s_lstadd_back(process, new_slist("sb"));
	}
}

void	ft_ra_rb(t_list **list, t_slist **process, char type)
{
	t_list	*swap;

	swap = *list;
	(ft_lstlast(*list))->next = *list;
	*list = (*list)->next;
	swap->next = 0;
	if (type == 'a')
		s_lstadd_back(process, new_slist("ra"));
	else if (type == 'b')
		s_lstadd_back(process, new_slist("rb"));
}

t_list	*ft_pa(t_list **list_a, t_list **list_b, t_slist **process)
{
	t_list	*swap;

	swap = *list_b;
	*list_b = (*list_b)->next;
	ft_lstadd_front(list_a, swap);
	s_lstadd_back(process, new_slist("pa"));
	return (*list_b);
}

void	ft_pb(t_list **list_a, t_list **list_b, t_slist **process)
{
	t_list	*swap;

	swap = *list_a;
	*list_a = (*list_a)->next;
	ft_lstadd_front(list_b, swap);
	s_lstadd_back(process, new_slist("pb"));
}

void	ft_rra_rrb(t_list **list, t_slist **process, char type)
{
	t_list	*swap;

	swap = ft_lstlast(*list);
	ft_lstbeforelast(*list)->next = 0;
	ft_lstadd_front(list, swap);
	if (type == 'a')
		s_lstadd_back(process, new_slist("rra"));
	else if (type == 'b')
		s_lstadd_back(process, new_slist("rrb"));
}