add media service

pkg/logger/logger.go

@@ -0,0 +1,53 @@
+package logger
+
+import (
+	"log"
+	"os"
+	"strings"
+)
+
+var level = "info"
+
+func Init(lvl string) {
+	level = strings.ToLower(lvl)
+
+	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
+	log.Printf("[LOGGER] initialized with level: %s", level)
+}
+
+func Info(format string, v ...any) {
+	if levelAllowed("info") {
+		log.Printf("[INFO] "+format, v...)
+	}
+}
+
+func Warn(format string, v ...any) {
+	if levelAllowed("warn") {
+		log.Printf("[WARN] "+format, v...)
+	}
+}
+
+func Error(format string, v ...any) {
+	if levelAllowed("error") {
+		log.Printf("[ERROR] "+format, v...)
+	}
+}
+
+func Fatal(format string, v ...any) {
+	log.Printf("[FATAL] "+format, v...)
+	os.Exit(1)
+}
+
+// helpers
+
+func levelAllowed(l string) bool {
+	levels := map[string]int{
+		"debug": 1,
+		"info":  2,
+		"warn":  3,
+		"error": 4,
+		"fatal": 5,
+	}
+
+	return levels[strings.ToLower(level)] <= levels[l]
+}