feat: add working watchdog cycle

internal/utility/environment.go

@@ -0,0 +1,55 @@
+package utility
+
+import (
+	"os"
+	"path/filepath"
+	"strconv"
+)
+
+type Environment struct {
+	Version          string
+	Codename         string
+	DataDirectory    string
+	ContentDirectory string
+	Hostname         string
+	Port             int
+	WatchInterval    int
+}
+
+// part of environment checking
+func safeStringGrab(key, fallback string) string {
+	if v, ok := os.LookupEnv(key); ok {
+		return v
+	}
+	return fallback
+}
+
+func safeIntGrab(key string, fallback int) int {
+	if v, ok := os.LookupEnv(key); ok {
+		if i, err := strconv.Atoi(v); err == nil {
+			return i
+		}
+	}
+	return fallback
+}
+
+func GrabEnvironment() Environment {
+	cwd, err := os.Getwd()
+	if err != nil {
+		cwd = "."
+	}
+
+	fbBase := filepath.Join(cwd, "data")
+	fbContent := filepath.Join(fbBase, "content")
+
+	return Environment{
+		Version:          safeStringGrab("VERSION", "0.0.1"),
+		Codename:         safeStringGrab("CODENAME", "Magical Anomaly"),
+		DataDirectory:    safeStringGrab("DATA_DIR", fbBase),
+		ContentDirectory: safeStringGrab("CONTENT_DIR", fbContent),
+		Hostname:         safeStringGrab("HOSTNAME", "0.0.0.0"),
+
+		Port:          safeIntGrab("PORT", 8080),
+		WatchInterval: safeIntGrab("WATCHDOG_INTERVAL", 60),
+	}
+}