package logger

import (
	"sync"

	"easywish/config"

	"go.uber.org/zap"
)

type Logger interface {
	Get() *zap.Logger	
	Sync() error
}

type loggerImpl struct {
}

func NewLogger() Logger {
	return &loggerImpl{}
}

var (
	logger *zap.Logger
	once   sync.Once
)

func (l *loggerImpl) Get() *zap.Logger {
	once.Do(func() {
		var err error
		cfg := config.GetConfig()

		if cfg.Environment == "production" {
			logger, err = zap.NewProduction()
		} else {
			logger, err = zap.NewDevelopment()
		}
		if err != nil {
			panic(err)
		}
	})
	return logger
}

func (l *loggerImpl) Sync() error {
	return logger.Sync()
}