package scheduler

import (
	"errors"
	"reflect"
	"runtime"
	"strconv"
	"strings"
)

// for given function fn, get the name of function.
func getFunctionName(fn interface{}) string {
	return runtime.FuncForPC(reflect.ValueOf((fn)).Pointer()).Name()
}

func formatTime(t string) (hour, min int, err error) {
	var er = errors.New("time format error")
	ts := strings.Split(t, ":")
	if len(ts) != 2 {
		err = er
		return
	}

	hour, err = strconv.Atoi(ts[0])
	if err != nil {
		return
	}
	min, err = strconv.Atoi(ts[1])
	if err != nil {
		return
	}

	if hour < 0 || hour > 23 || min < 0 || min > 59 {
		err = er
		return
	}
	return hour, min, nil
}