package util

import (
	"os"
	"runtime"
	"runtime/debug"
	"strconv"
	"time"

	"github.com/lmittmann/tint"

	"log/slog"
)

var L *slog.Logger
var LogLvl = &slog.LevelVar{}

func init() {
	L = slog.New(
		tint.NewHandler(os.Stderr, &tint.Options{
			Level:      LogLvl,
			TimeFormat: time.DateTime,
		}),
	)

	// buildInfo, _ := debug.ReadBuildInfo()
	// commit := Commit
	// L = L.With(slog.String("app", buildInfo.Main.Path))

	// set global logger with custom options
	slog.SetDefault(L)
}

var Commit = func() string {
	if info, ok := debug.ReadBuildInfo(); ok {
		for _, setting := range info.Settings {
			if setting.Key == "vcs.revision" {
				return setting.Value
			}
		}
	}
	return "not_available"
}()

// TODO clean this up
func LogTraceFunc() {}
func TraceFunc() string {
	pc, file, line, ok := runtime.Caller(1)
	if !ok {
		return "? 0 ?"
	}

	fn := runtime.FuncForPC(pc)
	if fn == nil {
		return file + " " + strconv.Itoa(line) + " ?"
	}

	return file + " " + strconv.Itoa(line) + " " + fn.Name()
}