Implement custom logger with log levels

internal/logger/logger.go

@@ -0,0 +1,40 @@
+package logger
+
+import (
+	"log"
+	"os"
+
+	"github.com/pikami/cosmium/api/config"
+)
+
+var DebugLogger = log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lshortfile)
+var InfoLogger = log.New(os.Stdout, "", log.Ldate|log.Ltime)
+var ErrorLogger = log.New(os.Stderr, "", log.Ldate|log.Ltime|log.Lshortfile)
+
+func Debug(v ...any) {
+	if config.Config.Debug {
+		DebugLogger.Println(v...)
+	}
+}
+
+func Debugf(format string, v ...any) {
+	if config.Config.Debug {
+		DebugLogger.Printf(format, v...)
+	}
+}
+
+func Info(v ...any) {
+	InfoLogger.Println(v...)
+}
+
+func Infof(format string, v ...any) {
+	InfoLogger.Printf(format, v...)
+}
+
+func Error(v ...any) {
+	ErrorLogger.Println(v...)
+}
+
+func Errorf(format string, v ...any) {
+	ErrorLogger.Printf(format, v...)
+}