/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   c_input.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 <unistd.h>
#include <stdlib.h>
#include <libft.h>
#include <term.h>
#include <signal.h>

#include "c_ctrls.h"
#include "c_init.h"
#include "c_keys.h"
#include "c_input.h"
#include "c_utils.h"
#include "m_prompt.h"
#include "m_loop.h"
#include "u_vars.h"

short
	c_init_line(char psx, t_caps *tcaps, t_msh *msh)
{
	char	term[4096];

	signal(SIGINT, c_signal_int);
	signal(SIGQUIT, c_signal_ign);
	if (tcaps)
	{
		u_get_var_value(term, "$TERM", 4096, msh);
		if (!tgetent(NULL, term))
			return (-1);
		c_set_term_raw(1);
		tcaps->cpos = 0;
		tcaps->lpos = 0;
		tcaps->nlines = 1;
		tcaps->psx = psx - 1;
		return (1);
	}
	else
		return (-1);
}

unsigned short
	c_get_win_size(struct winsize *ws)
{
	if (!(ioctl(STDOUT_FILENO, TIOCGWINSZ, ws)))
		return (-1);
	if (!ws->ws_col)
		ws->ws_col = 80;
	if (!ws->ws_row)
		ws->ws_row = 80;
	return (1);
}

unsigned int
	c_get_line_num(char *line, unsigned int cpos,
			unsigned int plen, t_caps *tcaps)
{
	unsigned int it;
	unsigned int line_num;
	unsigned int len;

	it = 0;
	line_num = 0;
	tcaps->lpos = 1;
	len = ft_strlen(line);
	if ((len) < (tcaps->ws.ws_col - plen))
		return (1);
	while (it < len)
	{
		it += (it == 0) ? (tcaps->ws.ws_col - plen) : tcaps->ws.ws_col;
		tcaps->lpos += (it < cpos) ? 1 : 0;
		line_num++;
	}
	return (line_num);
}

short
	c_back_slash(char **line, unsigned int plen, t_caps *tcaps)
{
	if (tcaps->cpos >= 1)
	{
		*line = c_delchar(*line, tcaps->cpos);
		c_key_left(plen, tcaps);
		tputs(tgetstr("cd", NULL), 1, ft_putchar);
	}
	return (1);
}