/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   b_sqb_err.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <libft.h>
#include <stdint.h>
#include <unistd.h>

#include "d_define.h"
#include "u_utils.h"

static uint8_t	b_single_op(const uint64_t argc, char *argv[])
{
	if (argc > 3)
	{
		ft_dprintf(STDERR_FILENO, "[: %s: unexpected operator\n", argv[1]);
		return (1);
	}
	return (0);
}

static uint8_t	b_expect_arg(const uint64_t argc, char *argv[])
{
	if (argc == 3)
	{
		ft_dprintf(STDERR_FILENO, "[: %s: argument expected\n", argv[1]);
		return (1);
	}
	return (0);
}

static uint8_t	b_double_op(const uint64_t argc, char *argv[])
{
	if (argc > 4)
	{
		ft_dprintf(STDERR_FILENO, "[: %s: unexpected operator\n", argv[2]);
		return (1);
	}
	return (0);
}

static uint8_t	b_bad_nbr(char *argv[])
{
	char	*ptr;

	if (ft_ischarset("+-0123456789", argv[0][0]) == FALSE ||
		ft_ischarset("+-0123456789", argv[2][0]) == FALSE)
		return (1);
	ptr = argv[0] + 1;
	while (*ptr != '\0')
	{
		if (ft_isdigit(*ptr) == FALSE)
		{
			ft_dprintf(STDERR_FILENO, "[: %s: bad number\n", argv[0]);
			return (1);
		}
		ptr++;
	}
	ptr = argv[2] + 1;
	while (*ptr != '\0')
	{
		if (ft_isdigit(*ptr) == FALSE)
			ft_dprintf(STDERR_FILENO, "[: %s: bad number\n", argv[2]);
		if (ft_isdigit(*ptr) == FALSE)
			return (1);
		ptr++;
	}
	return (0);
}

uint8_t			b_sqb_err_check(uint8_t id, char *argv[])
{
	const uint64_t	argc = u_builtins_get_argc((const char**)argv);

	if (id >= B_ID_SQB_NT)
	{
		if (b_expect_arg(argc, argv) != 0)
			return (1);
	}
	if (id >= B_ID_SQB_EQ)
	{
		if (b_bad_nbr(argv) != 0)
			return (1);
	}
	if (id < B_ID_SQB_NT)
	{
		if (b_single_op(argc, argv) != 0)
			return (1);
	}
	else if (id >= B_ID_SQB_NT)
	{
		if (b_double_op(argc, argv) != 0)
			return (1);
	}
	return (0);
}