From 257ff100e3a790d70425d6904e88e2a8f8340896 Mon Sep 17 00:00:00 2001
From: lohhiiccc <96543753+lohhiiccc@users.noreply.github.com>
Date: Sun, 1 Mar 2026 13:56:07 +0100
Subject: [PATCH] feat: implement help command handlers

---
 src/cli/handlers/handle_help.c | 45 ++++++++++++++++++++++++++++++++--
 1 file changed, 43 insertions(+), 2 deletions(-)

diff --git a/src/cli/handlers/handle_help.c b/src/cli/handlers/handle_help.c
index 02efcf4..c3beaa7 100644
--- a/src/cli/handlers/handle_help.c
+++ b/src/cli/handlers/handle_help.c
@@ -1,9 +1,50 @@
+#include "cli.h"
 #include "ft_ping.h"
+#include <stddef.h>
+#include <stdio.h>
+#include <getopt.h>
+
+/* Forward declarations */
+static const char * option_arg_type_to_str(t_option_arg_type type);
+/* -------------------- */
 
 int
 cli_handle_help(const char *arg, t_ping_config *config)
 {
-	(void)arg;
 	(void)config;
-	return 1;
+	(void)arg;
+
+	printf("ft_ping - Send ICMP ECHO_REQUEST to network hosts\n");
+	printf("Usage: ft_ping [options] <destination>\n\n");
+	printf("Options:\n");
+
+	for (size_t i = 0; i < g_options_len; ++i)
+	{
+		const t_option_descriptor *opt = &g_options[i];
+		const char *argstr = option_arg_type_to_str(opt->arg_type);
+
+		printf("  -%c, --%-10s %-8s %s\n",
+				opt->short_opt,
+				opt->long_opt,
+				argstr[0] ? argstr : "",
+				opt->description
+			);
+	}
+	return -1;
+}
+
+static const char *
+option_arg_type_to_str(t_option_arg_type type)
+{
+	switch (type)
+	{
+		case OPT_ARG_NONE:		return "";
+		case OPT_ARG_INT:		return "<NUM>";
+		case OPT_ARG_UINT:		return "<NUM>";
+		case OPT_ARG_SECONDS:	return "<SEC>";
+		case OPT_ARG_BYTES:		return "<SIZE>";
+		case OPT_ARG_TTL:		return "<TTL>";
+		case OPT_ARG_STRING:	return "<STR>";
+		default:				return "<ARG>";
+	}
 }