package logging

import (
	"io"
	"os"

	"github.com/sirupsen/logrus"
)

var Log = logrus.New()

func init() {
	Log.SetLevel(logrus.InfoLevel)
	Log.SetFormatter(&logrus.TextFormatter{})
}

func SetupLogging(verboseLevel int, logFilePath string) {
	switch verboseLevel {
	case 1:
		Log.SetLevel(logrus.DebugLevel)
	case 2:
		Log.SetLevel(logrus.TraceLevel)
	default:
		if verboseLevel >= 3 {
			Log.SetLevel(logrus.TraceLevel)
		}
	}

	if logFilePath != "" {
		logFile, err := os.OpenFile(logFilePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
		if err != nil {
			Log.Warnf("Failed to open log file %s: %v. Continuing without file logging.", logFilePath, err)
			return
		}

		if verboseLevel > 0 {
			multiWriter := io.MultiWriter(os.Stdout, logFile)
			Log.SetOutput(multiWriter)
			Log.Debugf("Verbose logging enabled with file output (level: %d)", verboseLevel)
		} else {
			Log.SetOutput(logFile)
		}
		Log.Infof("Logging to file: %s", logFilePath)
	}
}