package logger

import (
	"fmt"
	"io"
	"os"
)

// L is the global logger instance. Configure via Init().
var L = New(os.Stderr, LevelInfo, "text")

// Init configures the global logger.
func Init(level Level, format string) {
	L = New(os.Stderr, level, format)
}

// InitNop sets the global logger to discard all output.
func InitNop() {
	L = New(io.Discard, LevelDebug, "text")
}

// G returns the global logger.
func G() *Logger { return L }

// --- Global convenience methods ---

func Debug(msg string, args ...any) { L.Debug(msg, args...) }
func Info(msg string, args ...any)  { L.Info(msg, args...) }
func Warn(msg string, args ...any)  { L.Warn(msg, args...) }
func Error(msg string, args ...any) { L.Error(msg, args...) }

func Debugf(format string, args ...any) {
	L.Debug(fmt.Sprintf(format, args...))
}
func Infof(format string, args ...any) {
	L.Info(fmt.Sprintf(format, args...))
}
func Warnf(format string, args ...any) {
	L.Warn(fmt.Sprintf(format, args...))
}
func Errorf(format string, args ...any) {
	L.Error(fmt.Sprintf(format, args...))
}

func Fatalf(format string, args ...any) {
	L.Error(fmt.Sprintf(format, args...))
	os.Exit(1)
}

func Fatal(msg string, args ...any) {
	L.Error(msg, args...)
	os.Exit(1)
}