package gelf

import (
	"fmt"
	"log"

	golf "gopkg.in/aphistic/golf.v0"
)

var (
	c *golf.Client
)

func SetDefaultConfig(host string, port int, attrs map[string]interface{}) {
	if c != nil {
		c.Close()
	}

	if host != "" {
		c, _ = golf.NewClient()
		defer c.Close()
		c.Dial(fmt.Sprintf("udp://%s:%d", host, port))

		l, _ := c.NewLogger()

		golf.DefaultLogger(l)
		for key, value := range attrs {
			l.SetAttr(key, value)
		}
	}
	if c == nil {
		Debug("No GELF logging enabled")
	}
}

/*
Debug log this maeesage at debug level
*/
func Debug(msg string) {
	if c != nil {
		golf.Info(msg)
	}
	log.Println(msg)
}

/*
Debugf log this maeesage at debug level with formatting
*/
func Debugf(format string, va ...interface{}) {
	if c != nil {
		golf.Infof(format, va...)
	}
	log.Printf(format+"\n", va...)
}

/*
Info log this maeesage at info level
*/
func Info(msg string) {
	if c != nil {
		golf.Info(msg)
	}
	log.Println(msg)
}

/*
Infof log this maeesage at info level with formatting
*/
func Infof(format string, va ...interface{}) {
	if c != nil {
		golf.Infof(format, va...)
	}
	log.Printf(format+"\n", va...)
}

/*
Alert log this maeesage at alert level
*/
func Alert(msg string) {
	if c != nil {
		golf.Alert(msg)
	}
	log.Printf("Alert: %s\n", msg)
}

/*
Alertf log this maeesage at alert level with formatting
*/
func Alertf(format string, va ...interface{}) {
	if c != nil {
		golf.Alertf(format, va...)
	}
	log.Printf("Alert: %s\n", fmt.Sprintf(format, va...))
}

// Fatal logs a message at level Fatal on the standard logger.
func Fatal(msg string) {
	if c != nil {
		golf.Crit(msg)
	}
	log.Fatalf("Fatal: %s\n", msg)
}

// Fatalf logs a message at level Fatal on the standard logger.
func Fatalf(format string, va ...interface{}) {
	if c != nil {
		golf.Critf(format, va...)
	}
	log.Fatalf("Fatal: %s\n", fmt.Sprintf(format, va...))
}