initial

pkg/logger/logger.go

@@ -0,0 +1,91 @@
+package logger
+
+import (
+	"io"
+	"log/slog"
+	"os"
+	"time"
+
+	"github.com/lmittmann/tint"
+)
+
+var (
+	// Default logger is a tinted logger that writes to stdout
+	defaultLogger *slog.Logger
+
+	// Debug flag controls verbose logging
+	debugMode bool
+)
+
+// Init initializes the global logger with the specified debug level
+func Init(debug bool) {
+	debugMode = debug
+
+	// Set the minimum log level based on debug mode
+	level := slog.LevelInfo
+	if debug {
+		level = slog.LevelDebug
+	}
+
+	// Create a tinted logger with time, level, and source
+	defaultLogger = slog.New(
+		tint.NewHandler(os.Stdout, &tint.Options{
+			Level:      level,
+			TimeFormat: time.RFC3339,
+			AddSource:  debug,
+		}),
+	)
+
+	// Set the default slog logger
+	slog.SetDefault(defaultLogger)
+}
+
+// InitWithWriter initializes the logger with a custom writer (useful for testing)
+func InitWithWriter(w io.Writer, debug bool) {
+	debugMode = debug
+
+	level := slog.LevelInfo
+	if debug {
+		level = slog.LevelDebug
+	}
+
+	defaultLogger = slog.New(
+		tint.NewHandler(w, &tint.Options{
+			Level:      level,
+			TimeFormat: time.RFC3339,
+			AddSource:  debug,
+		}),
+	)
+
+	slog.SetDefault(defaultLogger)
+}
+
+// IsDebug returns true if debug mode is enabled
+func IsDebug() bool {
+	return debugMode
+}
+
+// Debug logs a message at debug level
+func Debug(msg string, args ...any) {
+	slog.Debug(msg, args...)
+}
+
+// Info logs a message at info level
+func Info(msg string, args ...any) {
+	slog.Info(msg, args...)
+}
+
+// Warn logs a message at warn level
+func Warn(msg string, args ...any) {
+	slog.Warn(msg, args...)
+}
+
+// Error logs a message at error level
+func Error(msg string, args ...any) {
+	slog.Error(msg, args...)
+}
+
+// With returns a new logger with the given attributes
+func With(args ...any) *slog.Logger {
+	return slog.With(args...)
+}