/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   testutil.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/02/13 15:21:09 by khais             #+#    #+#             */
/*   Updated: 2025/03/18 11:50:23 by khais            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"
#include <assert.h>
#include "testutil.h"
#include "parse_command_list.h"
#include "unistd.h"
#include <assert.h>
#include "parse_pipeline.h"
#include "../src/parser/wordlist/wordlist.h"
#include "../src/parser/wordsplit/wordsplit.h"
#include "../src/parser/cmdgroup/cmdgroup_item.h"

void	assert_strequal(char *str1, char *str2)
{
	int	ret;

	ft_dprintf(STDERR_FILENO, "Expected\t[%s]\n", str1);
 	ft_dprintf(STDERR_FILENO, "to eq   \t[%s]\n", str2);
	if (str1 == str2)
		return ;
	ret = ft_strcmp(str1, str2);
	assert(ret == 0);
}

extern void __lsan_do_leak_check(void)
        __attribute__((weak));

void    do_leak_check(void)
{
        if (__lsan_do_leak_check != NULL)
                __lsan_do_leak_check();
}

void	assert_simple_commandequal(t_simple_cmd *expected, t_simple_cmd *got, int idx)
{
	ft_dprintf(STDERR_FILENO, "Checking cmd idx %d\n", idx);
	int i = 0;
	t_wordlist	*expected_word = expected->words;
	t_wordlist	*got_word = got->words;
	while (expected_word != NULL)
	{
		ft_dprintf(STDERR_FILENO, "Checking word %d: ", i);
		assert_strequal(expected_word->word->word, got_word->word->word);
		ft_dprintf(STDERR_FILENO, "Checking word %d: expected flags=%d got flags=%d\n", i, expected_word->word->flags, got_word->word->flags);
		assert(expected_word->word->flags == got_word->word->flags);
		expected_word = expected_word->next;
		got_word = got_word->next;
		i++;
	}
	assert(expected_word == NULL);
	assert(got_word == NULL);
}

void	assert_pipelineequal_raw(t_pipeline *expected, t_pipeline *got)
{
	assert(expected == got || expected != NULL);
	int j = 0;
	while (j < got->num_cmd)
	{
		ft_dprintf(STDERR_FILENO, "Got pipeline cmd %d: ", j);
		wordlist_debug(got->cmds[j]->words);
		j++;
	}
	ft_dprintf(STDERR_FILENO, "Expected pipeline to have %d commands, got pipeline with %d\n", expected->num_cmd, got->num_cmd);
	assert(expected->num_cmd == got->num_cmd);
	int i = 0;
	while (i < expected->num_cmd)
	{
		assert_simple_commandequal(expected->cmds[i], got->cmds[i], i);
		i++;
	}
}

void	assert_pipelineequal(char *expected, t_cmdlist *cmd, int idx)
{
	ft_printf("Expected command list %p to have at least %d pipelines, and got %d\n", cmd, idx + 1, cmd->num_pipelines);
	assert(cmd->num_pipelines >= idx + 1);
	t_pipeline	*got = cmd->pipelines[idx];
	ft_dprintf(STDERR_FILENO, "Expected pipeline %p to equal [%s]\n", got, expected);
	t_pipeline	*expected_pipeline = parse_pipeline(expected);
	assert_pipelineequal_raw(expected_pipeline, got);
	pipeline_destroy(expected_pipeline);
}

t_worddesc	*create_single_word(char *str)
{
	t_wordlist	*words = minishell_wordsplit(str);
	assert(wordlist_get(words, 0) != NULL);
	assert(wordlist_get(words, 1) == NULL);
	t_worddesc	*word = wordlist_pop(&words);
	return (word);
}

void	assert_pipeline_cmd_word(t_pipeline *pipeline, char *expected_word, int cmd_num, int word_num)
{
	if (pipeline->num_cmd <= cmd_num)
	{
		ft_dprintf(STDERR_FILENO, "expected pipeline %p to have at least %d cmds, but got %d\n", pipeline, cmd_num + 1, pipeline->num_cmd);
		assert(false);
	}
	ft_dprintf(STDERR_FILENO, "for pipeline %p cmd %d word %d, expected '%s', and got ", pipeline, cmd_num, word_num, expected_word);
	assert(pipeline->cmds[cmd_num] != NULL && "null cmd at that location");
	char	*got_word = wordlist_get(pipeline->cmds[cmd_num]->words, word_num)->word;
	ft_dprintf(STDERR_FILENO,  "'%s'\n", got_word);
	assert(expected_word == got_word || ft_strncmp(expected_word, got_word, INT_MAX) == 0);
}

t_cmdgroup	*parse_cmdgroup(char *input)
{
	ft_dprintf(STDERR_FILENO, "Now checking command group with input [%s]\n", input);
	t_wordlist	*words = minishell_wordsplit(input);
	t_cmdgroup	*cmd = cmdgroup_from_wordlist(words);
	wordlist_destroy(words);
	return (cmd);
}

void	assert_cmdgroup_itemlistequal(char *expected_str, t_cmdgroup *got_cmd, int item_number)
{
	ft_dprintf(STDERR_FILENO, "checking that item %d of cmdlist %p matches [%s]\n", item_number, got_cmd, expected_str);
	t_cmdlist	*expected = parse_command_list(expected_str);
	if (expected == NULL)
	{
		ft_dprintf(STDERR_FILENO, "expecting the list to be null\n");
		return ;
	}
	ft_dprintf(STDERR_FILENO, "checking if the list matches...\n");
	int i = 0;
	while (i < expected->num_pipelines)
	{
		i++;
	}
	assert(false && "not yet implemented");
}