/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   c_utils.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 <stdio.h>
#include <stdlib.h>
#include <term.h>
#include <unistd.h>
#include <sys/ioctl.h>

#include "c_init.h"
#include "m_prompt.h"
#include "m_loop.h"
#include "s_struct.h"

/*
** TODO:
**  term(0) on exit
**  cursor on char insert DONE
**  quotes
**  leaks
 */

int16_t
	c_init_keys(t_caps *tcaps)
{
	if (tcaps)
	{
		tcaps->KL[0] = 27;
		tcaps->KL[1] = 91;
		tcaps->KL[2] = 68;
		tcaps->KL[3] = 0;
		tcaps->KR[0] = 27;
		tcaps->KR[1] = 91;
		tcaps->KR[2] = 67;
		tcaps->KR[3] = 0;
		tcaps->CL[0] = 12;
		tcaps->CL[1] = 0;
		tcaps->CL[2] = 0;
		tcaps->CL[3] = 0;
		return (1);
	}
	else
		return (-1);
}

uint16_t
	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);
}

char
	*c_insert_char(char *str,
				char c,
				t_caps *tcaps)
{
	size_t  i;
	size_t  j;
	size_t  len;
	char    *dst;

	i = 0;
	j = 0;
	len = (ft_strlen(str) + 2);
	if (!(dst = (char*)malloc((len) * sizeof(char))))
		return (NULL);
	while (i < len)
	{
		if (i == tcaps->cpos)
			dst[i++] = c;
		else
		{
			dst[i] = str[j];
			i++;
			j++;
		}
	}
	dst[i] = '\0';
	ft_memdel((void*)&str);
	return (dst);
}

char
	*c_delchar(char *str,
			uint16_t cpos)
{
	char *dst;
	uint16_t i;
	uint16_t j;

	j = 0;
	i = 0;
	if (!(dst = malloc((ft_strlen(str)) * sizeof(char))))
		return (NULL);
	cpos -= 1;
	while (j < (ft_strlen(str) - 1))
	{
		if (i == cpos)
			i++;
		dst[j] = str[i];
		i++;
		j++;
	}
	free(str);
	dst[j] = '\0';
	return (dst);
}

int16_t
	c_redraw_line(char *line,
				uint16_t cpos,
				t_msh *msh)
{
	uint32_t i;
	uint32_t len;
	int16_t ret;

	i = 0;
	(void)cpos;
	tputs(tgetstr("cr", NULL), 1, ft_putchar);
	while (i < ft_strlen(msh->ps[0]))
	{
		tputs(tgetstr("nd", NULL), 1, ft_putchar);
		i++;
	}
	ret = ft_printf("%s", line) + ft_strlen(msh->ps[0]);
	len = ft_strlen(line);
	if (cpos != len)
		while (--len > cpos)
			tputs(tgetstr("le", NULL), 1, ft_putchar);
	return (ret);
}