feat: default config file generated if doesn't exist

3 files changed, 15 insertions, 2 deletions

diff --git a/cmd/mud/main.go b/cmd/mud/main.go
index cc8c96b..6940cd6 100644
--- a/cmd/mud/main.go
+++ b/cmd/mud/main.go
@@ -26,7 +26,10 @@ func main() {
 	cfg, err := config.Load(*configPath)
 	if err != nil {
 		if os.IsNotExist(err) {
-			log.Printf("config file %s not found, using defaults (telnet :4000)", *configPath)
+			log.Printf("config file %s not found, creating with defaults", *configPath)
+			if err := config.SaveDefault(*configPath); err != nil {
+				log.Fatalf("failed to create config: %v", err)
+			}
 			cfg = config.Default()
 		} else {
 			log.Fatalf("failed to load config: %v", err)
diff --git a/config.yaml b/config.yaml
index 448aa68..cf54642 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,5 +1,6 @@
 game:
-  maxWidth: 70  # maximum width for room description text when displayed alongside the mini-map
+  tick_length: 600       # milliseconds per game tick (min 50)
+  game_speed: 1.0        # multiplier for all tick timers (default 1.0)
 
 telnet:
   enabled: true
diff --git a/internal/config/config.go b/internal/config/config.go
index d397fae..a86689e 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -67,3 +67,12 @@ func Load(path string) (*Config, error) {
 	}
 	return cfg, nil
 }
+
+func SaveDefault(path string) error {
+	cfg := Default()
+	data, err := yaml.Marshal(cfg)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(path, data, 0644)
+}