package common

import (
	"encoding/json"
	"fmt"
	"io"
	"os"

	"github.com/sirupsen/logrus"
)

var Log = logrus.New()

func Debug(message string) {
	Log.Debug(message)
}

func Info(message string) {
	Log.Info(message)
}

func Error(message string) {
	Log.Error(message)
}

func Warn(message string) {
	Log.Warn(message)
}

func InitLogging() {
	logLevel, err := logrus.ParseLevel(Config.Application.LogLevel)
	if err != nil {
		panic(fmt.Sprintf("Invalid configured logLevel: %s\n", Config.Application.LogLevel))
	}

	Log.SetLevel(logLevel)

	Log.SetFormatter(&logrus.TextFormatter{
		FullTimestamp:   true,
		TimestampFormat: "2006-01-02 15:04:05",
		PadLevelText:    true,
		DisableQuote:    true,
	})

	LogFile := Config.Application.LogFile
	file, err := os.OpenFile(
		LogFile,
		os.O_CREATE|os.O_WRONLY|os.O_APPEND,
		0655,
	)
	if err != nil {
		msg := fmt.Sprintf("Failed to log to file %s: %s", Config.Application.LogFile, err)
		Log.Warning(msg)
		panic(msg)
	}

	mw := io.MultiWriter(os.Stdout, file)
	Log.SetOutput(mw)

	configJson, err := json.Marshal(Config)
	if err == nil {
		Info(fmt.Sprintf("Using config: %s", configJson))
	}
}