From 39714f1f3f866aae2d60ef8152d4b0a1b96b0712 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jozef=20Steinh=C3=BCbl?= <xhyrom.hyro@gmail.com>
Date: Sun, 21 Jul 2024 22:15:01 +0200
Subject: [PATCH] feat: basic cli & constants

---
 CMakeLists.txt          |  4 +++-
 src/cli/cli.c           | 25 ++++++++++++++++++++++
 src/cli/cli.h           | 25 ++++++++++++++++++++++
 src/cli/command/init.c  |  5 +++++
 src/cli/command/init.h  |  1 +
 src/gimi_constants.h    |  4 ++++
 src/gimi_constants.h.in |  4 ++++
 src/main.c              | 47 ++++++++++++++++++++++++++++++++++++++---
 8 files changed, 111 insertions(+), 4 deletions(-)
 create mode 100644 src/cli/cli.c
 create mode 100644 src/cli/cli.h
 create mode 100644 src/cli/command/init.c
 create mode 100644 src/cli/command/init.h
 create mode 100644 src/gimi_constants.h
 create mode 100644 src/gimi_constants.h.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77483e8..9b3db5e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,8 @@ set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED true)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY build)
 
-file(GLOB_RECURSE SRC ./src/*.c ./src/*.h)
+file(GLOB_RECURSE SRC CONFIGURE_DEPENDS ./src/*.c ./src/*.h)
+
+configure_file(src/gimi_constants.h.in src/gimi_constants.h)
 
 add_executable(gimi ${SRC})
diff --git a/src/cli/cli.c b/src/cli/cli.c
new file mode 100644
index 0000000..600eb84
--- /dev/null
+++ b/src/cli/cli.c
@@ -0,0 +1,25 @@
+#include "../gimi_constants.h"
+#include "command/init.h"
+#include <stdio.h>
+#include <string.h>
+
+#define HELP                                                                   \
+  "Usage: gimi [-h | --help] [-v | --version]\n\n"                             \
+  "A simple tool for managing multiple git remotes as mirrors\n\n"             \
+  "Commands\n"
+
+void cli_print_help() { printf("%s", HELP); }
+void cli_print_version() {
+  printf("gimi version %d.%d.%d\n", GIMI_VERSION_MAJOR, GIMI_VERSION_MINOR,
+         GIMI_VERSION_PATCH);
+}
+
+int cli_handle(int argc, char **argv) {
+  char *sub_command = argv[0];
+
+  if (strcmp(sub_command, "init") == 0) {
+    cli_command_init(argc, argv);
+  }
+
+  return 0;
+}
diff --git a/src/cli/cli.h b/src/cli/cli.h
new file mode 100644
index 0000000..12b01a6
--- /dev/null
+++ b/src/cli/cli.h
@@ -0,0 +1,25 @@
+#define HANDLE_OPTIONS(argc, argv, optstring, ...)                             \
+  int opt;                                                                     \
+  opterr = 0;                                                                  \
+  while ((opt = getopt(argc, argv, optstring)) != -1) {                        \
+    switch (opt) {                                                             \
+      __VA_ARGS__                                                              \
+    default: {                                                                 \
+      printf("unknown option -%c\n", (char)optopt);                            \
+      break;                                                                   \
+    }                                                                          \
+    }                                                                          \
+  }                                                                            \
+  argc -= optind;                                                              \
+  argv += optind;
+
+#define OPTION(opt, func)                                                      \
+  case opt: {                                                                  \
+    func();                                                                    \
+    break;                                                                     \
+  }
+
+void cli_print_help();
+void cli_print_version();
+
+int cli_handle(int argc, char **argv);
diff --git a/src/cli/command/init.c b/src/cli/command/init.c
new file mode 100644
index 0000000..d469162
--- /dev/null
+++ b/src/cli/command/init.c
@@ -0,0 +1,5 @@
+#include "../cli.h"
+#include <stdio.h>
+#include <unistd.h>
+
+void cli_command_init(int argc, char **argv) { printf("init"); }
diff --git a/src/cli/command/init.h b/src/cli/command/init.h
new file mode 100644
index 0000000..24d1da9
--- /dev/null
+++ b/src/cli/command/init.h
@@ -0,0 +1 @@
+void cli_command_init(int argc, char **argv);
diff --git a/src/gimi_constants.h b/src/gimi_constants.h
new file mode 100644
index 0000000..ae8ad72
--- /dev/null
+++ b/src/gimi_constants.h
@@ -0,0 +1,4 @@
+// Do not edit manually! Generated by cmake
+#define GIMI_VERSION_MAJOR 0
+#define GIMI_VERSION_MINOR 1
+#define GIMI_VERSION_PATCH 0
diff --git a/src/gimi_constants.h.in b/src/gimi_constants.h.in
new file mode 100644
index 0000000..30e4842
--- /dev/null
+++ b/src/gimi_constants.h.in
@@ -0,0 +1,4 @@
+// Do not edit manually! Generated by cmake
+#define GIMI_VERSION_MAJOR @gimi_VERSION_MAJOR@
+#define GIMI_VERSION_MINOR @gimi_VERSION_MINOR@
+#define GIMI_VERSION_PATCH @gimi_VERSION_PATCH@
diff --git a/src/main.c b/src/main.c
index ad4274c..f345022 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,6 +1,47 @@
-#include <stdio.h>
+#include "cli/cli.h"
+#include <string.h>
 
-int main() {
-  printf("hello!");
+int main(int argc, char **argv) {
+  if (argc == 1) {
+    cli_print_help();
+    return 0;
+  }
+
+  if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
+    cli_print_help();
+    return 0;
+  }
+
+  if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
+    cli_print_version();
+    return 0;
+  }
+
+  argc -= 1;
+  argv += 1;
+
+  cli_handle(argc, argv);
+
+  /*int opt;
+  opterr = 0;
+  while ((opt = getopt(argc, argv, "hv")) != -1) {
+    switch (opt) {
+    case 'h': {
+      print_help();
+      break;
+    }
+    case 'v': {
+      print_version();
+      break;
+    }
+    default: {
+      printf("unknown option -%c\n", (char)optopt);
+      return 1;
+    }
+    }
+  }
+  argc -= optind;
+  argv += optind;
+*/
   return 0;
 }