package logger

import (
	"os"

	"github.com/sirupsen/logrus"
)

// Fields type for structured logging
type Fields logrus.Fields

var (
	// defaultLogger is the default logger instance
	defaultLogger = logrus.New()
)

func init() {
	// Set default configuration
	defaultLogger.SetOutput(os.Stdout)
	defaultLogger.SetLevel(logrus.InfoLevel)
	defaultLogger.SetFormatter(&logrus.TextFormatter{
		FullTimestamp: true,
	})
}

// Configure sets up the global logger configuration
func Configure(level string, noColor, forceColors, inJSON bool) error {
	// Set log level
	if level != "" {
		lvl, err := logrus.ParseLevel(level)
		if err != nil {
			return err
		}
		defaultLogger.SetLevel(lvl)
	}

	// Configure formatter
	if inJSON {
		defaultLogger.SetFormatter(&logrus.JSONFormatter{})
	} else {
		defaultLogger.SetFormatter(&logrus.TextFormatter{
			ForceColors:   forceColors,
			DisableColors: noColor,
			FullTimestamp: true,
		})
	}

	return nil
}

// NewLogger creates a new logger entry with component field
func NewLogger(component string) *logrus.Entry {
	return defaultLogger.WithField("component", component)
}

// WithRequestID adds request ID to the logger entry
func WithRequestID(logger *logrus.Entry, requestID string) *logrus.Entry {
	return logger.WithField("request_id", requestID)
}

// GetLogger returns the default logger instance
func GetLogger() *logrus.Logger {
	return defaultLogger
}