package logging

import (
	"log/slog"
	"os"
	"strings"
)

var logger *slog.Logger

// Init initializes the logger with the specified log level
func Init(level string) {
	var logLevel slog.Level
	switch strings.ToLower(level) {
	case "debug":
		logLevel = slog.LevelDebug
	case "info":
		logLevel = slog.LevelInfo
	case "warn", "warning":
		logLevel = slog.LevelWarn
	case "error":
		logLevel = slog.LevelError
	default:
		logLevel = slog.LevelInfo
	}

	opts := &slog.HandlerOptions{
		Level: logLevel,
	}

	handler := slog.NewJSONHandler(os.Stdout, opts)
	logger = slog.New(handler)
	slog.SetDefault(logger)
}

// Debug logs a debug message
func Debug(msg string, args ...any) {
	if logger != nil {
		logger.Debug(msg, args...)
	}
}

// Info logs an info message
func Info(msg string, args ...any) {
	if logger != nil {
		logger.Info(msg, args...)
	}
}

// Warn logs a warning message
func Warn(msg string, args ...any) {
	if logger != nil {
		logger.Warn(msg, args...)
	}
}

// Error logs an error message
func Error(msg string, args ...any) {
	if logger != nil {
		logger.Error(msg, args...)
	}
}

// With returns a new logger with additional attributes
func With(args ...any) *slog.Logger {
	if logger != nil {
		return logger.With(args...)
	}
	return slog.Default()
}