/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   history_parsing.c                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gwojda <gwojda@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/01/25 11:39:47 by gwojda            #+#    #+#             */
/*   Updated: 2017/02/03 11:57:07 by gwojda           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

static int	ft_history_parsing_4(char *str, int *i)
{
	if (!ft_strncmp("!!", str + *i, 2))
	{
		ft_realloc_str_history(&(data_singleton()->line.input), *i, 0, 2);
		++(*i);
		return (1);
	}
	else if (ft_isdigit(str[(*i) + 1]))
	{
		ft_realloc_str_history(&(data_singleton()->line.input), *i,
		ft_atoi(str + (*i) + 1), ft_nbr_len(ft_atoi(str + *i + 1)) + 1);
		(*i) += ft_nbr_len(ft_atoi(str + *i + 1));
		return (1);
	}
	return (0);
}

static int	ft_history_parsing_3(char *str, int *i)
{
	if (ft_history_parsing_4(str, i))
		return (1);
	else if (str[*i + 1] == '-')
	{
		ft_realloc_str_history(&(data_singleton()->line.input), *i,
		data_singleton()->line.list_size - ft_atoi(str + *i + 2),
		ft_nbr_len(ft_atoi(str + *i + 2)) + 2);
		(*i) += ft_nbr_len(ft_atoi(str + *i + 2) + 1);
	}
	else if (str[*i + 1] == '?')
		ft_realloc_str_history_3(&(data_singleton()->line.input), *i,
		ft_strdupi_w(str + *i + 2));
	else if (str[*i + 1] != ' ')
		ft_realloc_str_history_2(&(data_singleton()->line.input), *i,
		ft_strdupi_w(str + *i + 1));
	else
		return (0);
	return (1);
}

static void	ft_history_parsing_2(void)
{
	data_singleton()->line.opt = data_singleton()->line.opt | HIST;
	ft_prompt();
	data_singleton()->line.input = ft_read_stdin();
	ft_putchar('\n');
	data_singleton()->line.opt = data_singleton()->line.opt | ~HIST;
	ft_check_heredoc(&data_singleton()->line.input);
	ft_history_parsing();
}

void		ft_history_parsing(void)
{
	char	*str;
	int		i;
	char	boolean;

	i = 0;
	boolean = 0;
	str = data_singleton()->line.input;
	if (!str)
		return ;
	while (str[i])
	{
		if (str[i] == '!')
		{
			boolean = 1;
			if (!ft_history_parsing_3(str, &i))
				boolean = 0;
		}
		++i;
	}
	if (boolean)
		ft_history_parsing_2();
}