feat(config,utilities): added a function to create a default config

include/utilities.h

@@ -64,5 +64,7 @@ void combine_path(char*, char*);
 PathType get_path_type(const char*);
 char* get_file_content(char*);
 char* get_file_content_with_size(char*, size_t*);
+int create_default_config_file(char*);
+
 
 #endif // UTILITIES_H

src/utilities.c

@@ -532,3 +532,61 @@ char* get_file_content_with_size(char* path, size_t* size) {
     *size = got;
     return buf;
 }
+
+// Create directory recursively
+static int mkdir_recursive(const char *path, mode_t mode) {
+    char *path_copy = strdup(path);
+    if (!path_copy) return -1;
+
+    char *p = path_copy;
+
+    if (*p == '/') p++;
+
+    while (*p) {
+        while (*p && *p != '/') p++;
+
+        char saved = *p;
+        *p = '\0';
+
+        if (mkdir(path_copy, mode) == -1 && errno != EEXIST) {
+            free(path_copy);
+            return -1;
+        }
+
+        *p = saved;
+        if (*p) p++;
+    }
+
+    free(path_copy);
+    return 0;
+}
+
+// Create default config file
+int create_default_config_file(char* config_path) {
+    char *dir_path = strdup(config_path);
+    if (!dir_path) return -1;
+
+    char *last_slash = strrchr(dir_path, '/');
+    if (last_slash) {
+        *last_slash = '\0';
+        if (mkdir_recursive(dir_path, 0755) < 0) {
+            perror("mkdir_recursive");
+            free(dir_path);
+            return -1;
+        }
+    }
+    free(dir_path);
+
+    FILE *fp = fopen(config_path, "w");
+    if (!fp) {
+        perror("fopen");
+        return -1;
+    }
+
+    fprintf(fp, "[user]\n");
+    fprintf(fp, "name = \"Your Name\"\n");
+    fprintf(fp, "email = \"your.email@example.com\"\n");
+
+    fclose(fp);
+    return 0;
+}