#include "push_swap.h"

// check more error
void	is_valid(int ac, char **av)
{
	if (ac < 2)
		ps_stop(NULL, NULL, 1);
	(void)av;
}

int	check_flag(int *ac, char ***av)
{
	if (ft_strcmp((*av)[1], "-p") != 0)
		return (0);
	(*av)++;
	(*ac)--;
	return (1);
}

t_stack	*init_stack(int ac, char **av)
{
	t_stack		*start;
	t_stack		*tmp;

	tmp = NULL;
	while (--ac)
	{
		start = ft_calloc(1, sizeof(t_stack));
		if (!start)
			ps_stop(NULL, NULL, 2);
		start->n = ft_atoi(av[ac]);
		start->next = tmp;
		tmp = start;
	}
	return (start);
}

/*
** the chained list "solution" is created with specials first two elements :
** they are pointers to stack a and b, so it can be accessed by fill_solution()
*/
t_list	*launch_algo(t_stack **a, t_stack **b, int flag)
{
	t_list		*solution;

	solution = ft_lstnew(a);
	ft_lstadd_back(&solution, ft_lstnew(b));
	if (flag)
		fill_solution(solution, "start");
	// hugo_sort(a, b, solution);
	bubble_sort(a, b, solution);
	return (solution);
}

int	main(int ac, char **av)
{
	t_stack		*a;
	t_stack		*b;
	t_list		*solution;
	int			flag;

	is_valid(ac, av);
	flag = check_flag(&ac, &av);
	a = init_stack(ac, av);
	b = NULL;
	solution = launch_algo(&a, &b, flag);
	print_result(solution, flag);
	ps_stop(NULL, solution, 0);
	return (0);
}