/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   push_swap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lejulien <lejulien@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/03/05 13:01:57 by lejulien          #+#    #+#             */
/*   Updated: 2021/04/01 16:47:37 by lejulien         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../utils/utils.h"
#include <unistd.h>
#include "push_swap.h"
#include <stdlib.h>

static int
	push_values_to_stack(t_stack **stack, char **av, int ac, int pos)
{
	int		i;
	t_stack	*b_stack;
	t_stack	*ptr;

	b_stack = NULL;
	i = pos;
	while (i < ac)
	{
		if (add_to_stack(stack, ft_atoi(av[i]), pos))
			return (ft_free_stacks(stack, &b_stack, 1));
		i++;
	}
	ptr = *stack;
	if (has_double(stack))
		return (ft_free_stacks(stack, &b_stack, 1));
	sort(stack, &b_stack);
	write(1, "\x4", 1);
	return (ft_free_stacks(stack, &b_stack, 1) - 1);
}

static int
	is_flag(char *str)
{
	if (str[0] == '-' && str[1] == 'v')
		return (1);
	return (0);
}

int
	is_number(char *c)
{
	int	i;

	i = 0;
	while (c[i] != '\0')
	{
		if (c[i] < '0' || c[i] > '9')
			return (0);
		i++;
	}
	return (1);
}

static int
	check_flags(int ac, char **av)
{
	int	i;
	int x;

	i = 0;
	if (ac > 2)
	{
		if (is_flag(av[1]))
			i++;
	}
	x = 1 + i;
	while (x < ac)
	{
		if (!is_number(av[x]))
			return (0);
		x++;
	}
	return (1 + i);
}

int
	main(int ac, char **av)
{
	t_stack	*a_stack;
	int		flags;

	a_stack = NULL;
	flags = 1;
	if (ac > 1)
	{
		if (check_num(ac, av) || check_max(ac, av))
		{
			ft_putstr("Error\n");
			return (1);
		}
		if (push_values_to_stack(&a_stack, av, ac, flags))
		{
			ft_putstr("Error\n");
			return (1);
		}
	}
	return (0);
}