package cmpSnipper

	import (
		"fmt"
		"log"
		"time"
		"encoding/json"
	)

	func (app *App) LogMod(arg interface{}) string {
		var str string

		switch t := arg.(type) {
			case nil:
				str = /* "N:" + */ "null"

			case string:
				str = /* "S:" + */ t

			case error:
				str = /* "E:" + */ t.Error()

			case byte:
				str = /* "B:" + */ string(t)

			case []byte:
				str = /* "A:" + */ string(t)

			case interface{}:
				obyte, _ := json.MarshalIndent(arg, "", "\t")
				str = /* "J:" + */ string(obyte)

			default:
				str = /* "U:" + */ fmt.Sprintf("Unknown type %T", t)
		}

		return str
	}

	func (app *App) Log(farg any, iargs ...interface{}) {
		var str = app.LogMod(farg)

		log.SetPrefix(time.Now().UTC().Format("2006-01-02 15:04:05") + ": ")

		oargs :=  make([]interface{}, len(iargs))

		for k, arg := range iargs {
			oargs[k] = app.LogMod(arg)
		}

		log.Output(2, fmt.Sprintf(str + "\n", oargs...))
	}

	func (app *App) LogSetup() {
		log.SetFlags( log.Lshortfile );
	}