/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   test_here_doc.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/03/07 11:43:32 by khais             #+#    #+#             */
/*   Updated: 2025/03/11 13:45:45 by khais            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <assert.h>
#include "testutil.h"
#include "libft.h"
#include <unistd.h>
#include <fcntl.h>
#include "../src/executing/here_doc/here_doc.h"

static void	test_here_doc_filename_generation(void)
{
	char	*filename1;
	char	*filename2;

	ft_dprintf(STDERR_FILENO, "==> %s <==\n", __FUNCTION__);
	filename1 = here_doc_random_filename();
	filename2 = here_doc_random_filename();
	assert(filename1 != NULL);
	assert(filename2 != NULL);
	ft_dprintf(STDERR_FILENO, "Got filename: [%s]\n", filename1);
	ft_dprintf(STDERR_FILENO, "Got filename: [%s]\n", filename2);
	assert(ft_strcmp(filename1, filename2) != 0);
	free(filename1);
	free(filename2);
	do_leak_check();
}

static void	test_here_doc_invalid_args(void)
{
	t_worddesc	*marker;

	ft_dprintf(STDERR_FILENO, "==> %s <==\n", __FUNCTION__);
	assert(-1 == here_doc(NULL, 0));
	marker = worddesc_create(NULL, 0, NULL);
	assert(-1 == here_doc(marker, 0));
	worddesc_destroy(marker);
	marker = worddesc_create(ft_strdup("EOF"), 0, NULL);
	assert(-1 == here_doc(marker, -1));
	worddesc_destroy(marker);
	do_leak_check();
}

static void	test_here_doc_only_end_marker(void)
{
	t_worddesc	*marker;
	int			infile;
	int			result;

	ft_dprintf(STDERR_FILENO, "==> %s <==\n", __FUNCTION__);
	marker = worddesc_create(ft_strdup("EOF"), 0, NULL);
	infile = open("./here_doc_only_eof.input", O_RDONLY);
	result = here_doc(marker, infile);
	close(infile);
	assert(result != -1);
	assert(NULL == get_next_line(result));
	close(result);
	worddesc_destroy(marker);
	do_leak_check();
}

static void	test_here_doc_input_plus_end_marker(void)
{
	t_worddesc	*marker;
	int			infile;
	int			result;

	ft_dprintf(STDERR_FILENO, "==> %s <==\n", __FUNCTION__);
	marker = worddesc_create(ft_strdup("EOF"), 0, NULL);
	infile = open("./here_doc_input_plus_eof.input", O_RDONLY);
	result = here_doc(marker, infile);
	close(infile);
	worddesc_destroy(marker);
	assert(result != -1);
	assert_strequal("input\n", get_next_line(result));
	close(result);
	do_leak_check();
}

static void	test_here_doc_input_no_end_marker(void)
{
	t_worddesc	*marker;
	int			infile;
	int			result;

	ft_dprintf(STDERR_FILENO, "==> %s <==\n", __FUNCTION__);
	marker = worddesc_create(ft_strdup("EOF"), 0, NULL);
	infile = open("./here_doc_input_no_eof.input", O_RDONLY);
	result = here_doc(marker, infile);
	close(infile);
	worddesc_destroy(marker);
	assert(result != -1);
	assert_strequal("input\n", get_next_line(result));
	close(result);
	do_leak_check();
}

int main(void) {
	test_here_doc_filename_generation();
	test_here_doc_invalid_args();
	test_here_doc_only_end_marker();
	test_here_doc_input_plus_end_marker();
	test_here_doc_input_no_end_marker();
	// TODO: expansion handling
	return (0);
}